{"id":897,"date":"2021-05-31T03:40:00","date_gmt":"2021-05-31T03:40:00","guid":{"rendered":"https:\/\/class12.studyguruji.in\/?p=897"},"modified":"2023-10-24T16:50:55","modified_gmt":"2023-10-24T16:50:55","slug":"16-%e0%a4%aa%e0%a4%b0%e0%a5%8d%e0%a4%af%e0%a4%be%e0%a4%b5%e0%a4%b0%e0%a4%a3-%e0%a4%95%e0%a5%87-%e0%a4%ae%e0%a5%81%e0%a4%a6%e0%a5%8d%e0%a4%a6%e0%a5%87-3","status":"publish","type":"post","link":"https:\/\/class12.studyguruji.in\/?p=897","title":{"rendered":"16. \u092a\u0930\u094d\u092f\u093e\u0935\u0930\u0923 \u0915\u0947 \u092e\u0941\u0926\u094d\u0926\u0947"},"content":{"rendered":"

1.\u00a0\u0935\u093f\u0936\u094d\u0935 \u092a\u0930\u094d\u092f\u093e\u0935\u0930\u0923 \u0926\u093f\u0935\u0938 \u092e\u0928\u093e\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A) 6\u00a0\u0926\u093f\u0938\u092e\u094d\u092c\u0930 \u0915\u094b<\/span>
\n(B) 5\u00a0\u091c\u0942\u0928 \u0915\u094b<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C) 6\u00a0\u091c\u0928\u0935\u0930\u093e \u0915\u093e<\/span>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

2.\u00a0\u092c\u0922\u093c\u0940 \u0939\u0941\u0908 \u0924\u094d\u0935\u091a\u093e \u0915\u0948\u0902\u0938\u0930 \u090f\u0935\u0902 \u0909\u091a\u094d\u091a \u0909\u0924\u094d\u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928 \u0926\u0930 \u0915\u093e \u0915\u093e\u0930\u0923 \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0905\u092e\u094d\u0932 \u0935\u0930\u094d\u0937\u093e<\/span>
\n(B)\u00a0\u0913\u091c\u094b\u0928 \u0915\u094d\u0937\u0930\u0923<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C) CO2<\/sub>\u00a0\u092a\u094d\u0930\u0926\u0942\u0937\u0923<\/span>
\n(D) CO\u00a0\u092a\u094d\u0930\u0926\u0942\u0937\u0923<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

3.\u00a0\u092e\u093f\u0928\u0940\u092e\u093e\u0924\u093e \u0930\u094b\u0917 \u0939\u094b\u0924\u093e \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0915\u094d\u0930\u094b\u092e\u093f\u092f\u092e \u0926\u094d\u0935\u093e\u0930\u093e<\/span>
\n(B)\u00a0\u0915\u0948\u0921\u092e\u093f\u092f\u092e \u0915\u0947 \u0926\u094d\u0935\u093e\u0930\u093e<\/span>
\n(C)\u00a0\u092e\u093f\u0925\u093e\u0907\u0932 \u092e\u0930\u094d\u0915\u0928\u0940 \u0926\u094d\u0935\u093e\u0930\u093e<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0\u0930\u0947\u0921\u093f\u092f\u094b\u090f\u0915\u094d\u091f\u093f\u0935 \u0924\u0924\u094d\u0935 \u0915\u0947 \u0926\u094d\u0935\u093e\u0930\u093e<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

4.\u00a0\u092c\u094d\u0932\u0942 \u092c\u0947\u092c\u0940 \u0938\u093f\u0928\u094d\u0921\u094d\u0930\u094b\u092e \u0939\u094b\u0924\u093e \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A) TDS\u00a0\u0915\u0940 \u0905\u0927\u093f\u0915\u0924\u093e \u0938\u0947<\/span>
\n(B) DO\u00a0\u0915\u0940 \u0905\u0927\u093f\u0915\u0924\u093e \u0938\u0947<\/span>
\n(C)\u00a0\u0915\u094d\u0932\u094b\u0930\u093e\u0907\u0921 \u0915\u0940 \u0905\u0927\u093f\u0915\u0924\u093e \u0938\u0947<\/span>
\n(D)\u00a0\u092e\u0947\u091f\u0939\u0940\u092e\u094b\u0917\u094d\u0932\u094b\u092c\u093f\u0928 \u0938\u0947<\/span><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/p>\n

5.\u00a0\u0938\u092c\u0938\u0947 \u092c\u0921\u093c\u093e \u0913\u091c\u094b\u0928 \u091b\u093f\u0926\u094d\u0930 \u0915\u093f\u0938\u0915\u0947 \u090a\u092a\u0930 \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0905\u0923\u094d\u091f\u093e\u0930\u094d\u0915\u091f\u093f\u0915\u093e<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u092f\u0942\u0930\u094b\u092a<\/span>
\n(C)\u00a0\u0905\u092b\u094d\u0930\u0940\u0915\u093e<\/span>
\n(D)\u00a0\u092d\u093e\u0930\u0924<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

6.\u00a0\u092d\u093e\u0930\u0924 \u092e\u0947\u0902 \u092e\u0947\u0925\u0947\u0928 \u0915\u093e \u092a\u094d\u0930\u092e\u0941\u0916 \u0938\u094d\u0930\u094b\u0924 \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0917\u0928\u094d\u0928\u093e \u0915\u0947 \u0916\u0947\u0924<\/span>
\n(B)\u00a0\u0927\u093e\u0928 \u0915\u0947 \u0916\u0947\u0924<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0917\u0947\u0939\u0942\u0901 \u0915\u0947 \u0916\u0947\u0924<\/span>
\n(D)\u00a0\u092c\u093e\u0917\u093e\u0928<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

7.\u00a0\u0935\u093e\u0939\u093f\u0924 \u092e\u0932 \u0938\u0947 \u091c\u0932 \u0915\u093e \u092a\u094d\u0930\u0926\u0942\u0937\u0923 \u0915\u093f\u0938\u0915\u0940 \u092a\u0941\u091f\u093f\u092f\u094b\u0902 \u0938\u0947 \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u093f\u0924 \u0939\u094b\u0924\u093e \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u090f\u0936\u094d\u0915\u0947\u0930\u091a\u093f\u092f\u093e<\/span>
\n(B)\u00a0\u090f\u0923\u094d\u091f\u0905\u092e\u0940\u092c\u093e<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0938\u094d\u092f\u0942\u0921\u094b\u092e\u094b\u0928\u093e\u0938<\/span>
\n(D)\u00a0\u0932\u0940\u0936\u094d\u092e\u093e\u0928\u093f\u092f\u093e<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

8.\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0938\u0930\u094d\u0935\u093e\u0927\u093f\u0915 \u0939\u093e\u0928\u093f\u0915\u093e\u0930\u0915 \u0915\u094c\u0928 \u0938\u0940 \u0917\u0948\u0938 \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0915\u093e\u0930\u094d\u092c\u0928 \u092e\u094b\u0928\u094b\u0911\u0915\u094d\u0938\u093e\u0907\u0921<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u0938\u0932\u094d\u092b\u0930 \u0921\u093e\u0907\u0911\u0915\u094d\u0938\u093e\u0907\u0921<\/span>
\n(C)\u00a0\u0928\u093e\u0907\u091f\u094d\u0930\u0938 \u0911\u0915\u094d\u0938\u093e\u0907\u0921<\/span>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

9.\u00a0\u0905\u092e\u094d\u0932\u0940\u092f \u0935\u0930\u094d\u0937\u093e \u0939\u094b\u0924\u0940 \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u091c\u0940\u0935\u093e\u0936\u094d\u092e \u0908\u0902\u0927\u0928 \u0915\u0947 \u0926\u0939\u0928 \u0938\u0947<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u0938\u0940\u0966\u090f\u092b\u0966\u0938\u0940\u0966 \u0938\u0947<\/span>
\n(C)\u00a0\u0913\u091c\u094b\u0928 \u0938\u0947<\/span>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

10.\u00a0\u0913\u091c\u094b\u0928 \u092a\u0930\u0924 \u0935\u093e\u092f\u0941\u092e\u0902\u0921\u0932 \u092e\u0947\u0902 \u0915\u0939\u093e\u0901 \u092a\u093e\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948<\/span>?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0915\u094d\u0937\u094b\u092d\u092e\u0902\u0921\u0932<\/span>
\n(B)\u00a0\u0938\u092e\u0924\u093e\u092a\u092e\u0902\u0921\u0932<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u092c\u093e\u0939\u094d\u092f\u092e\u0902\u0921\u0932<\/span>
\n(D)\u00a0\u0906\u092f\u0928\u092e\u0902\u0921\u0932<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

11.\u00a0\u0928\u093f\u092e\u094d\u0928\u093e\u0902\u0915\u093f\u0924 \u092e\u0947\u0902 \u0938\u0947 \u0915\u094c\u0928 \u0935\u093f\u0932\u092a\u094d\u0924 \u092a\u094d\u0930\u093e\u0923\u0940 \u0939<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0936\u0947\u0930<\/span>
\n(B)\u00a0\u0921\u094b\u0921\u094b<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u092e\u094b\u0930<\/span>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0938\u092d\u0940<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

12.\u00a0\u092b\u094b\u091f\u094b\u0915\u0947\u092e\u093f\u0915\u0932 \u0938\u094d\u092e\u094c\u0917 \u092e\u0947\u0902 \u0939\u092e\u0947\u0936\u093e \u0909\u092a\u0938\u094d\u0925\u093f\u0924 \u0930\u0939\u0924\u093e \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A) O3<\/sub>
\n(B) H2<\/sub>S<\/span>\u00a0\u2713<\/span><\/b>
\n(C) CO
\n(D)\u00a0\u0915\u094d\u0932\u094b\u0930\u093f\u0928<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

13.\u00a0\u0913\u091c\u094b\u0928 \u0915\u0940 \u092e\u094b\u091f\u093e\u0908 \u092e\u093e\u092a\u0940 \u091c\u093e\u0924\u0940 \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A) NTU
\n(B)\u00a0\u0921\u0949\u092c\u0938\u0928 \u0907\u0915\u093e\u0908<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u092a\u093e\u0930\u094d\u091f \u092a\u0930 \u092e\u093f\u0932\u093f\u092f\u0928<\/span>
\n(D)\u00a0\u0915\u093f\u0932\u094b\u092e\u0940\u091f\u0930<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

14.\u00a0\u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092e\u0947\u0902 \u0915\u094c\u0928 \u0917\u094d\u0930\u0940\u0928-\u0939\u093e\u0909\u0938 \u0917\u0948\u0938 \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0915\u093e\u0930\u094d\u092c\u0928 \u0921\u093e\u0907\u0911\u0915\u094d\u0938\u093e\u0907\u0921<\/span>
\n(B)\u00a0\u092e\u0940\u0925\u0947\u0928<\/span>
\n(C)\u00a0\u0938\u0940. \u090f\u0932. \u0938\u0940.<\/span>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0938\u092d\u0940<\/span><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/p>\n

15.\u00a0\u092d\u093e\u0930\u0924\u0935\u0930\u094d\u0937 \u092e\u0947\u0902 \u092a\u0930\u094d\u092f\u093e\u0935\u0930\u0923 \u0938\u0941\u0930\u0915\u094d\u0937\u093e \u0905\u0927\u093f\u0928\u093f\u092f\u092e \u0915\u093f\u0938 \u0935\u0930\u094d\u0937 \u092a\u093e\u0938 \u0939\u0941\u0906 \u0925\u093e<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) 1976
\n(B) 1986<\/span>\u00a0\u2713<\/span><\/b>
\n(C) 1966
\n(D) 1996<\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

16.\u00a0\u0905\u0916\u092c\u093e\u0930 \u0915\u0947 \u0915\u093e\u0917\u091c \u092e\u0947\u0902 \u0915\u094c\u0928-\u0938\u093e \u0935\u093f\u0937\u0948\u0932\u093e \u092a\u0926\u093e\u0930\u094d\u0925 \u0939\u094b\u0924\u093e \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) Cd
\n(B) Pd<\/span>\u00a0\u2713<\/span><\/b>
\n(C) Mg
\n(D) Hg<\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

17. SO2<\/sub>\u00a0\u092a\u094d\u0930\u0926\u0942\u0937\u0923 \u0938\u0947 \u092a\u094d\u0930\u092d\u093e\u0935\u093f\u0924 \u0939\u094b\u0924\u093e \u0939\u0948:<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u092e\u093e\u0907\u091f\u094b\u0915\u094b\u0902\u0921\u094d\u0930\u093f\u092f\u093e<\/span>
\n(B)\u00a0\u0915\u094d\u0932\u094b\u0930\u094b\u092a\u094d\u0932\u093e\u0938\u094d\u091f<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0917\u0949\u0932\u094d\u091c\u0940 \u0928\u093f\u0915\u093e\u092f\u0915\u093e<\/span>
\n(D) ER<\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

18. \u00a0\u0915\u093f\u0938\u0915\u094b \u0935\u093f\u0936\u094d\u0935 \u0915\u0940 \u091c\u0932\u0935\u093e\u092f\u0941 \u0915\u094b \u0916\u0924\u0930\u093e \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A) CO2<\/sub>\u00a0\u0915\u0940 \u092e\u093e\u0924\u094d\u0930\u093e \u092c\u0922\u093c\u0928\u0947 \u0938\u0947<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B) O2<\/sub>\u00a0\u0915\u0940 \u092e\u093e\u0924\u094d\u0930\u093e \u092c\u0922\u093c\u0928\u0947 \u0938\u0947<\/span>
\n(C)\u00a0\u0913\u091c\u094b\u0928 \u0915\u0940 \u092e\u093e\u0924\u094d\u0930\u093e \u092c\u0922\u093c\u0928\u0947 \u0938\u0947<\/span>
\n(D) N2<\/sub>\u00a0\u0915\u0940 \u092e\u093e\u0924\u094d\u0930\u093e \u092c\u0922\u093c\u0928\u0947 \u0938\u0947<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

19.\u00a0\u092e\u093f\u0925\u0947\u0928 \u0915\u093e \u092a\u094d\u0930\u092e\u0941\u0916 \u0938\u094d\u0930\u094b\u0924 \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0908\u0916 \u0930\u094b\u092a\u0923<\/span>
\n(B)\u00a0\u0927\u093e\u0928 \u0916\u0947\u0924<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u092b\u0932 \u0915\u093e \u092c\u093e\u0917\u0935\u093e\u0928\u0940<\/span>
\n(D)\u00a0\u0917\u0947\u0939\u0942\u0901 \u0916\u0947\u0924<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

20.\u00a0\u0913\u091c\u094b\u0928 \u092a\u0930\u0924 \u0915\u093f\u0938 \u0938\u094d\u0924\u0930 \u092a\u0930 \u092a\u093e\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0938\u094d\u091f\u094d\u0930\u0948\u091f\u094b\u0938\u094d\u092b\u093f\u092f\u0930<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u0932\u0940\u0925\u094b\u0938\u094d\u092b\u093f\u092f\u0930<\/span>
\n(C)\u00a0\u091f\u094d\u0930\u094b\u092a\u094b\u0938\u094d\u092b\u093f\u092f\u0930<\/span>
\n(D)\u00a0\u0939\u0947\u092e\u094b\u0938\u094d\u092b\u0940\u092f\u0930<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

21. SO2<\/sub>\u00a0\u092a\u094d\u0930\u0926\u0942\u0937\u0923 \u0915\u093e \u0938\u0942\u091a\u0915 \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0936\u0948\u0935\u093e\u0932<\/span>
\n(B)\u00a0\u0932\u093e\u0907\u0915\u0947\u0928<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0915\u0935\u0915<\/span>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 (D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u092e\u0947\u0902 \u0938\u0947 \u0938\u092d\u0940<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

22.\u00a0\u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092e\u0947\u0902 \u0915\u094c\u0928-\u0938\u093e \u092c\u093e\u092f\u094b\u0917\u0948\u0938 \u0939\u0948<\/span>?<\/span><\/b><\/span><\/p>\n

(A) CO2<\/sub>
\n(B) CH4<\/sub><\/span>\u00a0\u2713<\/span><\/b>
\n(C) N2<\/sub>
\n(D) NO<\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

23. \u2018\u0917\u094d\u0930\u0940\u0928 \u0939\u093e\u0909\u0938 \u092a\u094d\u0930\u092d\u093e\u0935\u2019<\/span>\u00a0\u0915\u093e \u092e\u0941\u0916\u094d\u092f \u0915\u093e\u0930\u0915 \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A) CFCs
\n(B) CO2<\/span>\u00a0\u2713<\/span><\/b>
\n(C) CO
\n(D) CH4<\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

24.\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094c\u0928 \u0917\u094d\u0930\u0940\u0928 \u0939\u093e\u0909\u0938 \u0917\u0948\u0938 \u0928\u0939\u0940\u0902 \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) CO2<\/sub>
\n(B) CH4<\/sub>
\n(C)\u00a0\u0913\u091c\u094b\u0928<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(D) CFCs<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/p>\n

25.\u00a0\u0915\u094d\u0932\u094b\u0930\u094b \u092b\u094d\u0932\u094b\u0930\u094b \u0915\u093e\u0930\u094d\u092c\u0928 \u0909\u0924\u094d\u0924\u0930\u0926\u093e\u092f\u0940 \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0905\u092e\u094d\u0932 \u0935\u0930\u094d\u0937\u093e<\/span>
\n(B)\u00a0\u0913\u091c\u094b\u0928 \u092a\u0930\u0924 \u0915\u094d\u0937\u0930\u0923 \u0915\u0947 \u0932\u093f\u090f<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0917\u094d\u0932\u094b\u092c\u0932 \u0935\u093e\u0930\u094d\u092e\u093f\u0902\u0917 \u0915\u0947 \u0932\u093f\u090f<\/span>
\n(D)\u00a0\u0924\u093e\u092a\u0940\u092f \u092a\u094d\u0930\u0924\u093f \u0932\u094b\u092e\u0928 \u0915\u0947 \u0932\u093f\u090f<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

26.\u00a0\u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092e\u0947\u0902 \u0915\u094c\u0928-\u0938\u0940 \u090f\u0915 \u0917\u0948\u0938 \u0917\u094d\u0930\u0940\u0928 \u0939\u093e\u0909\u0938 \u0917\u0948\u0938 \u0928\u0939\u0940\u0902 \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) CO2<\/sub>
\n(B) CH4<\/sub>
\n(C) N2<\/sub><\/span>\u00a0\u2713<\/span><\/b>
\n(D) CFCs<\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

27. SO2<\/sub>\u00a0\u0915\u093e \u092a\u094d\u0930\u0926\u0942\u0937\u0923 \u0928\u0937\u094d\u091f \u0915\u0930\u0924\u093e \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0932\u093e\u0907\u0915\u0947\u0928<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u0915\u0935\u0915<\/span>
\n(C)\u00a0\u0936\u0948\u0935\u093e\u0932<\/span>
\n(D)\u00a0\u092e\u091b\u0932\u0940<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

28.\u00a0\u0915\u094d\u092f\u094b\u091f\u094b \u092a\u094d\u0930\u094b\u091f\u094b\u0915\u0949\u0932 \u0938\u092e\u094d\u092c\u0928\u094d\u0927\u093f\u0924 \u0939\u0948:<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0913\u091c\u094b\u0928 \u0915\u094d\u0937\u092f<\/span>
\n(B)\u00a0\u0939\u0930\u093f\u0924 \u0917\u0943\u0939 \u092a\u094d\u0930\u092d\u093e\u0935<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u091c\u0932 \u092a\u094d\u0930\u0926\u0942\u0937\u0923<\/span>
\n(D)\u00a0\u0935\u0928\u094d\u092f \u091c\u0940\u0935\u0928 \u0915\u093e \u0938\u0902\u0930\u0915\u094d\u0937\u0923<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

29. \u00a0\u0924\u093e\u091c\u092e\u0939\u0932 \u0915\u093f\u0938\u0915\u0947 \u0926\u094d\u0935\u093e\u0930\u093e \u0928\u0937\u094d\u091f \u0939\u094b \u0938\u0915\u0924\u093e \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u092f\u092e\u0941\u0928\u093e \u0928\u0926\u0940 \u092e\u0947\u0902 \u092c\u093e\u0922\u093c \u0938\u0947<\/span>
\n(B)\u00a0\u0938\u0902\u0917\u092e\u0930\u092e\u0930 \u0915\u0947 \u0909\u091a\u094d\u091a \u0924\u093e\u092a \u092a\u0930 \u0905\u092a\u0918\u091f\u0928 \u0938\u0947<\/span>
\n(C)\u00a0\u092e\u0925\u0941\u0930\u093e \u0915\u0947 \u0924\u0947\u0932 \u0936\u094b\u0927\u0915 \u0915\u093e\u0930\u0916\u093e\u0928\u0947 \u0938\u0947 \u0928\u093f\u0915\u0932\u0940<\/span>\u00a0SO2<\/sub>\u00a0\u0938\u0947<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0\u0909\u092a\u0930\u094b\u0915\u094d\u0924 \u0938\u092d\u0940 \u0938\u0947<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

30.\u00a0\u0905\u092e\u094d\u0932\u0940\u092f \u0935\u0930\u094d\u0937\u093e \u0915\u0947 \u0915\u093e\u0930\u0923 \u0939\u0948\u0902 :<\/span><\/span><\/b><\/span><\/p>\n

(A) N2<\/sub>\u00a0\u0924\u0925\u093e<\/span>\u00a0NO3<\/sub>
\n(B) NO2<\/sub>\u00a0\u0924\u0925\u093e<\/span>\u00a0SO2<\/sub><\/span>\u00a0\u2713<\/span><\/b>
\n(C) CO\u00a0\u0924\u0925\u093e<\/span>\u00a0CO2<\/sub>
\n(D) CO2<\/sub>\u00a0\u0924\u0925\u093e<\/span>\u00a0NO2<\/sub><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

31.\u00a0\u0938\u092c\u0938\u0947 \u0915\u092e \u092a\u094b\u0930\u0938 \u092e\u0943\u0926\u093e \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0915\u094d\u0932\u0947 \u092e\u0943\u0926\u093e<\/span>
\n(B)\u00a0\u0932\u094b\u092e \u092e\u0943\u0926\u093e<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0930\u0947\u0924\u0940\u0932\u0940 \u092e\u0943\u0926\u093e<\/span>
\n(D)\u00a0\u0910\u0932\u094d\u092f\u0941\u0935\u093f\u092f\u0932 \u092e\u0943\u0926\u093e<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

32.\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094c\u0928 \u0935\u093e\u092f\u0941 \u092a\u094d\u0930\u0926\u0942\u0937\u0915 \u0928\u0939\u0940\u0902 \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) CO<\/span>\u00a0\u2713<\/span><\/b>
\n(B) CO2<\/sub>
\n(C) SO2<\/sub>
\n(D)\u00a0<\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

33.\u00a0\u0938\u0942\u0930\u094d\u092f \u0915\u0940 \u0930\u094b\u0936\u0928\u0940 \u0938\u0947 \u092a\u0930\u093e\u092c\u0948\u0902\u0917\u0928\u0940 \u0935\u093f\u0915\u093f\u0930\u0923 \u0915\u0940 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u0939\u094b\u0924\u0940 \u0939\u0948 \u091c\u093f\u0938\u092e\u0947\u0902 \u0909\u0924\u094d\u092a\u093e\u0926\u093f\u0924 \u0939\u094b\u0924\u0940 \u0939\u0948:<\/span><\/span><\/b><\/span><\/p>\n

(A) CO
\n(B) SO2<\/sub>
\n(C) O3<\/sub><\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0\u092b\u094d\u0932\u094b\u0930\u093e\u0907\u0921<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

34.\u00a0\u0938\u092e\u0924\u093e\u092a \u092e\u0902\u0921\u0932 \u092e\u0947\u0902 (<\/span>vQ)\u00a0\u0935\u093f\u0915\u093f\u0930\u0923 \u0905\u0935\u0936\u094b\u0937\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A) O2<\/sub>
\n(B) O3<\/sub><\/span>\u00a0\u2713<\/span><\/b>
\n(C) SO2<\/sub>
\n(D) Ar<\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

35.\u00a0\u0911\u091f\u094b\u092e\u094b\u092c\u093e\u0907\u0932 \u0928\u093f\u0930\u094d\u0935\u093e\u0924\u0915 \u092e\u0947\u0902 \u0909\u092a\u0938\u094d\u0925\u093f\u0924 \u0938\u0930\u094d\u0935\u093e\u0927\u093f\u0915 \u0939\u093e\u0928\u093f\u0915\u093e\u0930\u0915 \u0915\u0923\u0915\u0940\u092f \u092a\u0926\u093e\u0930\u094d\u0925 \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u092e\u0930\u0915\u0930\u0940<\/span>
\n(B)\u00a0\u0932\u0947\u0921<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0915\u0948\u0921\u092e\u093f\u092f\u092e<\/span>
\n(D)\u00a0\u0906\u0930\u094d\u0938\u0947\u0928\u093f\u0915<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

36.\u00a0\u0915\u0923\u0915\u0940\u092f \u092a\u0926\u093e\u0930\u094d\u0925 \u092e\u0947\u0902 \u0909\u092a\u0938\u094d\u0925\u093f\u0924 \u0939\u094b\u0924\u093e \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0920\u094b\u0938 \u0915\u0923<\/span>
\n(B)\u00a0\u0924\u0930\u0932 \u0915\u0923<\/span>
\n(C)\u00a0\u0926\u094b\u0928\u094b\u0902 (<\/span>A)\u00a0\u0924\u0925\u093e(<\/span>B)<\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0\u0938\u093f\u0930\u094d\u092b \u0917\u0948\u0938\u0947\u0902<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

37.\u00a0\u091c\u0947\u091f \u092a\u094d\u0932\u0947\u0928 \u0928\u093f\u0915\u093e\u0938 \u092e\u0947\u0902 \u092e\u0941\u0916\u094d\u092f \u092a\u094d\u0930\u0926\u0942\u0937\u0915 \u0939\u0948\u0902 :<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u092b\u094d\u0932\u0941\u0930\u094b\u0915\u093e\u0930\u094d\u092c\u0928<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B) SO2<\/sub>
\n(C)\u00a0\u092e\u093f\u0925\u0947\u0928<\/span>
\n(D)\u00a0\u092c\u0947\u0928\u094d\u091c\u0940\u0928<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

38.\u00a0\u092d\u094b\u092a\u093e\u0932 \u0917\u0948\u0938 \u0924\u094d\u0930\u093e\u0938\u0926\u0940 \u0915\u093f\u0938 \u0917\u0948\u0938 \u0915\u0947 \u0930\u093f\u0938\u093e\u0935 \u0938\u0947 \u0939\u0941\u0908<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) PAN
\n(B)\u00a0\u0938\u094d\u092e\u0949\u0917<\/span>
\n(C)\u00a0\u092e\u093f\u0925\u093e\u0907\u0932 \u0906\u0907\u0938\u094b\u0938\u093e\u0907\u0928\u0947\u091f<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(D) SO2<\/sub><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

39.\u00a0\u091c\u0932\u093e\u0936\u092f\u094b\u0902 \u092e\u0947\u0902 \u0938\u0941\u092a\u094b\u0937\u0923 \u0915\u0947 \u0932\u093f\u090f \u0938\u092c\u0938\u0947 \u092a\u094d\u0930\u092d\u093e\u0935\u0936\u093e\u0932\u0940 \u0939\u0948\u0902:<\/span><\/span><\/b><\/span><\/p>\n

(A)\u0905\u0915\u093e\u0930\u094d\u092c\u0928\u093f\u0915 \u092b\u0949\u0938\u094d\u092b\u0947\u091f<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u0915\u093e\u0930\u094d\u092c\u0928\u093f\u0915 \u092a\u0926\u093e\u0930\u094d\u0925<\/span>
\n(C)\u00a0\u0936\u0948\u0935\u093e\u0932<\/span>
\n(D)\u00a0\u091c\u0940\u0935\u093e\u0923\u0941<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

40.\u00a0\u0917\u0902\u0917\u093e\u091c\u0932 \u092e\u0947\u0902 \u0936\u0935 \u0915\u094b \u092a\u094d\u0930\u0935\u093e\u0939\u093f\u0924 \u0915\u0930\u0928\u0947 \u0938\u0947 \u0915\u094d\u092f\u093e \u0939\u094b\u0924\u093e \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0918\u0941\u0932\u093f\u0924 \u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u092e\u0947\u0902 \u0915\u092e\u0940<\/span>
\n(B) BOD\u00a0\u092e\u0947\u0902 \u0935\u0943\u0926\u094d\u0927\u093f<\/span>
\n(C)\u00a0\u091c\u0940\u0935\u093e\u0923\u0941\u0913\u0902 \u092e\u0947\u0902 \u0935\u0943\u0926\u094d\u0927\u093f<\/span>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0938\u092d\u0940<\/span><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/p>\n

41.\u00a0\u0907\u0928\u092e\u0947\u0902 \u0915\u094c\u0928 \u0938\u093e \u092a\u094d\u0930\u093e\u0915\u0943\u0924\u093f\u0915 \u0935\u093e\u092f\u0941 \u092a\u094d\u0930\u0926\u0942\u0937\u0915 \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u091c\u094d\u0935\u093e\u0932\u093e\u092e\u0941\u0916\u0940 \u0938\u0947 \u0928\u093f\u0915\u0932\u0940 \u0917\u0948\u0938\u0947\u0902<\/span>
\n(B)\u00a0\u092a\u0930\u093e\u0917\u0915\u0923<\/span>
\n(C)\u00a0\u0927\u0942\u0932\u0915\u0923<\/span>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0938\u092d\u0940 \u0915\u094b<\/span><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/p>\n

42.\u00a0\u0913\u091c\u094b\u0928 \u0938\u094d\u0924\u0930 \u0915\u094b \u0928\u0937\u094d\u091f \u0915\u0930 \u0930\u0939\u093e \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) SO2<\/sub>
\n(B) CFCs<\/span>\u00a0\u2713<\/span><\/b>
\n(C) Smog
\n(D)\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u0915\u093e\u0930\u094d\u092c\u0928<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

43.\u00a0\u0924\u093e\u091c\u092e\u0939\u0932 \u0915\u0940 \u0938\u0941\u0928\u094d\u0926\u0930\u0924\u093e \u0915\u094b \u0928\u0937\u094d\u091f \u0915\u0930 \u0930\u0939\u093e \u0939\u0948 \u0964<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0924\u093e\u092a<\/span>
\n(B)\u00a0\u092f\u092e\u0941\u0928\u093e \u0928\u0926\u0940 \u0915\u093e \u092a\u094d\u0930\u0926\u0942\u0937\u093f\u0924 \u091c\u0932<\/span>
\n(C)\u00a0\u0935\u093e\u092f\u0941 \u092a\u094d\u0930\u0926\u0942\u0937\u0915<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0\u0909\u092a\u0930\u094d\u092f\u0941\u0915\u094d\u0924 \u0938\u092d\u0940<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

44.\u00a0\u092a\u094d\u0930\u0915\u093e\u0936 \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0927\u0942\u092e \u092e\u0947\u0902 \u0909\u092a\u0938\u094d\u0925\u093f\u0924 \u0936\u0915\u094d\u0924\u093f\u0936\u093e\u0932\u0940 \u0924\u0924\u094d\u0924\u094d\u0935 \u091c\u094b \u0906\u0901\u0916\u094b\u0902 \u092e\u0947\u0902 \u091c\u0932\u0928 \u092a\u0948\u0926\u093e \u0915\u0930\u0924\u0947 \u0939\u0948\u0902 :<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0928\u093e\u0907\u091f\u094d\u0930\u093f\u0915 \u0911\u0915\u094d\u0938\u093e\u0907\u0921<\/span>
\n(B) SO
\n(C) CO2<\/sub><\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0\u0928\u093e\u0907\u091f\u094d\u0930\u0938 \u0911\u0915\u094d\u0938\u093e\u0907\u0921<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

45.\u00a0\u092e\u093f\u0925\u0947\u092e\u094b\u0917\u094d\u0932\u094b\u092c\u093f\u0928 \u0915\u093e \u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u092e\u0947\u0902 \u0939\u0940\u092e\u094b\u0917\u094d\u0932\u094b\u092c\u093f\u0928 \u0915\u0940 \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u093f\u0938\u0938\u0947 \u0939\u094b\u0924\u0940 \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0928\u093e\u0907\u091f\u094d\u0930\u0947\u091f<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B) CO
\n(C) CO2<\/sub>
\n(D)\u00a0\u0928\u093e\u0907\u091f\u094d\u0930\u0938 \u0911\u0915\u094d\u0938\u093e\u0907\u0921<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

46.\u00a0\u0928\u093f\u092e\u094d\u0928 \u092e\u0947\u0902 \u0938\u0947 \u0915\u094c\u0928 \u0917\u094d\u0930\u0940\u0928 \u0939\u093e\u0909\u0938 \u0917\u0948\u0938 \u0928\u0939\u0940\u0902 \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) SO2<\/sub><\/span>\u00a0\u2713<\/span><\/b>
\n(B) CH4<\/sub>
\n(C) CO2<\/sub>
\n(D) CFCs<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/p>\n

47.\u00a0\u0913\u091c\u094b\u0928 \u092a\u0930\u0924 \u0922\u0902\u0915\u093e \u0930\u0939\u0924\u093e \u0939\u0948 \u0964<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u092e\u0927\u094d\u092f \u092e\u0902\u0921\u0932 \u092e\u0947\u0902<\/span>
\n(B)\u00a0\u092c\u093e\u0939\u094d\u092f \u092e\u0902\u0921\u0932 \u092e\u0947\u0902<\/span>
\n(C)\u00a0\u0938\u092e\u0924\u093e\u092a \u092e\u0902\u0921\u0932 \u092e\u0947\u0902<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0938\u092d\u0940<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

48.\u00a0\u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092e\u0947\u0902 \u0915\u094c\u0928-\u0938\u093e \u0926\u094d\u0935\u093f\u0924\u0940\u092f\u0915 \u092a\u094d\u0930\u0926\u0942\u0937\u0915 \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) SO2<\/sub>
\n(B) CO2<\/sub>
\n(C) PAN<\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0\u090f\u0930\u094b\u0938\u094b\u0932<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

49. 5\u00a0\u091c\u0942\u0928 \u0915\u094b \u092e\u0928\u093e\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0935\u093f\u0936\u094d\u0935 \u092a\u0930\u094d\u092f\u093e\u0935\u0930\u0923 \u0926\u093f\u0935\u0938<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u0935\u093f\u0936\u094d\u0935 \u0935\u0928 \u0926\u093f\u0935\u0938<\/span>
\n(C)\u00a0\u0935\u093f\u0936\u094d\u0935 \u0930\u0947\u0921\u0915\u094d\u0930\u0949\u0938 \u0926\u093f\u0935\u0938<\/span>
\n(D)\u00a0\u0935\u093f\u0936\u094d\u0935 \u092c\u093e\u0932 \u0926\u093f\u0935\u0938<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

50. \u2018\u0938\u094d\u092e\u0949\u0917\u2019<\/span>\u00a0\u0915\u093f\u0938\u0938\u0947 \u0938\u0902\u092c\u0902\u0927\u093f\u0924 \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0927\u0941\u0906\u0901 \u0924\u0925\u093e \u0915\u0941\u0939\u093e\u0938\u093e<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u0906\u0917 \u090f\u0935\u0902 \u091c\u0932<\/span>
\n(C)\u00a0\u091c\u0932 \u0924\u0925\u093e \u0927\u0941\u0906\u0901<\/span>
\n(D)\u00a0\u0935\u093e\u092f\u0941 \u0924\u0925\u093e \u091c\u0932<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

51.\u00a0\u0913\u091c\u094b\u0928 \u092a\u0930\u0924 \u092e\u0947\u0902 \u091b\u093f\u0926\u094d\u0930 \u0915\u0947 \u0932\u093f\u090f \u0915\u094c\u0928-\u0938\u093e \u0926\u0947\u0936 \u0938\u0930\u094d\u0935\u093e\u0927\u093f\u0915 \u0909\u0924\u094d\u0924\u0930\u0926\u093e\u092f\u0940 \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) USA<\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u091c\u0930\u094d\u092e\u0928\u0940<\/span>
\n(C)\u00a0\u0930\u0942\u0938<\/span>
\n(D)\u00a0\u091c\u093e\u092a\u093e\u0928<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

52.\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094c\u0928 \u0938\u0940 \u0917\u094d\u0930\u0940\u0928 \u0939\u093e\u0909\u0938 \u0917\u0948\u0938 \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u092e\u0940\u0925\u0947\u0928<\/span>
\n(B)\u00a0\u0915\u093e\u0930\u094d\u092c\u0928 \u0921\u093e\u0907\u0911\u0915\u094d\u0938\u093e\u0907\u0921<\/span>
\n(C)\u00a0\u0915\u094d\u0932\u094b\u0930\u094b \u092b\u094d\u0932\u094b\u0930\u094b \u0915\u093e\u0930\u094d\u092c\u0928<\/span>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0938\u092d\u0940<\/span><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

53.\u00a0\u0913\u091c\u094b\u0928 \u092a\u0930\u0924 \u0915\u093e \u0915\u094d\u0937\u092f \u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u093f\u0938\u0915\u0947 \u0915\u093e\u0930\u0923 \u0939\u094b\u0924\u093e \u0939\u0948<\/span>
\n<\/span><\/b>(A)\u00a0\u0915\u093e\u0930\u094d\u092c\u0928 \u0921\u093e\u0907\u0911\u0915\u094d\u0938\u093e\u0907\u0921<\/span>
\n(B)\u00a0\u0915\u094d\u0932\u094b\u0930\u094b\u092b\u094d\u0932\u094b\u0930\u094b\u0915\u093e\u0930\u094d\u092c\u0928<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u092a\u0948\u0928 (<\/span>PAN)
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

54.\u00a0\u0918\u0930\u094b\u0902 \u092e\u0947\u0902 \u0939\u093e\u0928\u093f\u0915\u093e\u0930\u0915 \u0935\u093f\u0915\u093f\u0930\u0923 \u0915\u0947 \u092e\u0941\u0916\u094d\u092f \u0938\u094d\u0930\u094b\u0924 \u0915\u094d\u092f\u093e \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u091f\u094d\u092f\u0942\u092c\u0932\u093e\u0907\u091f<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u0930\u0902\u0917\u0940\u0928 \u091f\u0940\u0966\u0935\u0940\u0966<\/span>
\n(C)\u00a0\u091a\u0942\u0932\u094d\u0939\u093e<\/span>
\n(D)\u00a0\u0939\u0940\u091f\u0930<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/p>\n

55.\u00a0\u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092e\u0947\u0902 \u0915\u094c\u0928-\u0938\u093e \u0935\u093e\u0939\u0928 \u0915\u093e<\/span>\u00a0exhaust\u00a0\u0928\u0939\u0940\u0902 \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) SO2<\/sub>
\n(B) CO2<\/sub>
\n(C) CO
\n(D) Flyash (\u0930\u093e\u0916)<\/span><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

56.\u00a0\u091a\u093f\u092a\u0915\u094b \u0906\u0902\u0926\u094b\u0932\u0928 \u0915\u093f\u0938\u0915\u0940 \u0938\u0941\u0930\u0915\u094d\u0937\u093e \u0915\u0947 \u0932\u093f\u090f \u0936\u0941\u0930\u0942 \u0915\u093f\u092f\u093e \u0917\u092f\u093e \u0925\u093e<\/span>?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0935\u0928<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u0918\u093e\u0938\u092d\u0942\u092e\u093f<\/span>
\n(C)\u00a0\u0928\u092e\u092d\u0942\u092e\u093f<\/span>
\n(D)\u00a0\u092a\u0936\u0941\u091a\u093e\u0930\u093e<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

57.\u00a0\u0913\u091c\u094b\u0928 \u0926\u093f\u0935\u0938 \u0915\u092c \u092e\u0928\u093e\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948<\/span>?<\/span><\/b><\/span><\/p>\n

(A) 5\u00a0\u0938\u093f\u0924\u092e\u094d\u092c\u0930<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B) 21\u00a0\u0905\u092a\u094d\u0930\u0948\u0932<\/span>
\n(C) 25\u00a0\u0926\u093f\u0938\u092e\u094d\u092c\u0930<\/span>
\n(D) 30\u00a0\u091c\u0928\u0935\u0930\u0940<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

58.\u00a0\u0935\u0948\u0938\u0947 \u0935\u0930\u094d\u0937\u093e-\u091c\u0932 \u0915\u094b \u0905\u092e\u094d\u0932-\u091c\u0932 \u0915\u0939\u0924\u0947 \u0939\u0948\u0902 \u091c\u093f\u0938\u0915\u093e<\/span>\u00a0pH\u00a0\u0915\u093f\u0938\u0938\u0947 \u0915\u092e \u0939\u094b\u0924\u093e \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) 7
\n(B) 6.5
\n(C) 6
\n(D) 5.6<\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/p>\n

59.\u00a0\u092e\u093e\u0928\u0935 \u0938\u093e\u0927\u093e\u0930\u0923\u0924\u092f\u093e \u0927\u094d\u0935\u0928\u093f \u0924\u0940\u0935\u094d\u0930\u0924\u093e \u0938\u0939\u0928 \u0915\u0930 \u0938\u0915\u0924\u093e \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A) 20-30\u00a0\u0921\u0947\u0938\u0940\u092c\u0947\u0932<\/span>
\n(B) 80-90\u00a0\u0921\u0947\u0938\u0940\u092c\u0947\u0932<\/span>
\n(C) 120-130\u00a0\u0921\u0947\u0938\u0940\u092c\u0947\u0932<\/span>
\n(D) 140-150\u00a0\u0921\u0947\u0938\u0940\u092c\u0947\u0932<\/span><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/p>\n

60.\u00a0\u0928\u093f\u092e\u094d\u0928 \u092e\u0947\u0902 \u0938\u0947 \u0915\u094c\u0928-\u0938\u093e \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u092a\u0926\u093e\u0930\u094d\u0925 \u0913\u091c\u094b\u0928 \u0915\u0947 \u092a\u0930\u0924 \u092a\u0930 \u0905\u0938\u0930 \u0921\u093e\u0932\u0924\u093e \u0939\u0948<\/span>?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0915\u094d\u0932\u094b\u0930\u094b\u092b\u094d\u0932\u094b\u0930\u094b\u0915\u093e\u0930\u094d\u092c\u0928<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u0915\u094d\u0932\u094b\u0930\u0940\u0928<\/span>
\n(C)\u00a0\u0939\u0947\u0915\u094d\u0938\u093e\u092b\u094d\u0932\u094b\u0930\u094b\u0915\u093e\u0930\u094d\u092c\u0928<\/span>
\n(D)\u00a0\u092e\u094b\u0932\u0915\u094d\u092f\u0942\u0932\u0930 \u0915\u093e\u0930\u094d\u092c\u0928<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

61.\u00a0\u092a\u094d\u0930\u0926\u0942\u0937\u0923 \u0915\u0940 \u0935\u0943\u0926\u094d\u0927\u093f \u0915\u093e \u0915\u093e\u0930\u0923 \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A) research
\n(B)\u00a0\u091c\u0928\u0938\u0902\u0916\u094d\u092f\u093e \u0935\u093f\u0938\u094d\u092b\u094b\u091f<\/span>
\n(C)\u00a0\u0909\u0926\u094d\u092f\u094b\u0917 \u090f\u0935\u0902 \u092f\u093e\u0924\u093e\u092f\u093e\u0924<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0\u0935\u0930\u094d\u0937\u093e \u091c\u0932<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

62.\u00a0\u0913\u091c\u094b\u0928 \u0915\u0947 \u0935\u093f\u0918\u091f\u0928 \u092e\u0947\u0902 \u0915\u094c\u0928-\u0938\u093e \u0924\u0924\u094d\u0935 \u0909\u0924\u094d\u092a\u094d\u0930\u0947\u0930\u0915 \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 \u0915\u093e\u0930\u094d\u092f \u0915\u0930\u0924\u093e \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0915\u094d\u0932\u094b\u0930\u0940\u0928<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u092b\u094d\u0932\u094b\u0930\u0940\u0928<\/span>
\n(C)\u00a0\u0911\u0915\u094d\u0938\u0940\u091c\u0928<\/span>
\n(D)\u00a0\u092a\u094b\u091f\u0948\u0936\u093f\u092f\u092e<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

63.\u00a0\u091c\u0932\u093e\u0936\u092f\u094b\u0902 \u092e\u0947\u0902 \u0938\u0941\u092a\u094b\u0937\u0923 \u0915\u0947 \u0932\u093f\u090f \u0938\u092c\u0938\u0947 \u092a\u094d\u0930\u092d\u093e\u0935\u0936\u093e\u0932\u0940 \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0905\u0915\u093e\u0930\u094d\u092c\u0928\u093f\u0915 \u092b\u0949\u0938\u094d\u092b\u0947\u091f<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u0915\u093e\u0930\u094d\u092c\u0928\u093f\u0915 \u092a\u0926\u093e\u0930\u094d\u0925<\/span>
\n(C)\u00a0\u0936\u0948\u0935\u093e\u0932<\/span>
\n(D)\u00a0\u091c\u0940\u0935\u093e\u0923\u0941<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

64.\u00a0\u0905\u092e\u094d\u0932 \u0935\u0930\u094d\u0937\u093e \u092e\u0947\u0902<\/span>\u00a0SO2\u00a0\u0938\u0932\u094d\u092b\u094d\u092f\u0942\u0930\u093f\u0915 \u0905\u092e\u094d\u0932 \u0915\u093e \u092d\u093e\u0917 \u0939\u094b\u0924\u093e \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A) 100%
\n(B) 70%<\/span>\u00a0\u2713<\/span><\/b>
\n(C) 50%
\n(D) 30%<\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

65.\u00a0\u0907\u0928\u094d\u0938\u093f\u0928\u0947\u0930\u0947\u091f\u0930 \u0915\u093e \u092a\u094d\u0930\u092f\u094b\u0917 \u0915\u093f\u0938 \u092a\u094d\u0930\u0915\u093e\u0930 \u0915\u0947 \u0905\u0935\u0936\u093f\u0937\u094d\u091f \u0928\u093f\u0938\u094d\u0924\u093e\u0930\u0923 \u0939\u0947\u0924\u0941 \u0915\u0930\u0928\u093e \u091a\u093e\u0939\u093f\u090f<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0924\u093e\u092a\u0940\u092f \u0935\u093f\u0926\u094d\u092f\u0941\u0924 \u0915\u0947\u0928\u094d\u0926\u094d\u0930<\/span>
\n(B)\u00a0\u0915\u0943\u0937\u093f \u0938\u092e\u094d\u092c\u0902\u0927\u093f\u0924<\/span>
\n(C)\u00a0\u092e\u093e\u0928\u0935 \u092e\u0932 \u090f\u0935\u0902 \u0905\u0928\u094d\u092f \u0905\u0935\u0936\u093f\u0937\u094d\u091f<\/span>
\n(D)\u00a0\u0905\u0938\u094d\u092a\u0924\u093e\u0932<\/span><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/p>\n

66.\u00a0\u0921\u0949\u092c\u0938\u0928 \u0907\u0915\u093e\u0908 \u092e\u093e\u092a\u0915 \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0927\u094d\u0935\u0928\u093f<\/span>
\n(B)\u00a0\u0939\u0935\u093e<\/span>
\n(C)\u00a0\u092a\u093e\u0928\u0940\u092e\u093e<\/span>
\n(D)\u00a0\u0913\u091c\u094b\u0928 \u0938\u094d\u0924\u0930 \u0915\u0940 \u092e\u0941\u091f\u093e\u0908<\/span><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/p>\n

67.\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u093f\u0938 \u0915\u094d\u0930\u093f\u092f\u093e \u0938\u0947<\/span>\u00a0DDT\u00a0\u0915\u0940 \u0938\u093e\u0902\u0926\u094d\u0930\u0924\u093e \u0905\u0917\u0932\u0947 \u092a\u094b\u0937\u0940 \u0938\u094d\u0924\u0930 \u092e\u0947\u0902 \u092c\u0922\u093c\u0924\u0940 \u0939\u0948<\/span>?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u091c\u0932-\u092a\u094d\u0930\u0938\u094d\u092b\u0941\u091f\u0928<\/span>
\n(B)\u00a0\u091c\u0948\u0935 \u0906\u0935\u0930\u094d\u0927\u0928<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0938\u0941\u092a\u094b\u0937\u0923<\/span>
\n(D)\u00a0\u0913\u091c\u094b\u0928 \u092a\u094d\u0930\u0926\u0942\u0937\u0923<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

68.\u00a0\u0935\u093e\u0939\u093f\u0924 \u092e\u0932\u091c\u0932 \u0915\u0947 \u0936\u0941\u0926\u094d\u0927\u093f\u0915\u0930\u0923 \u092e\u0947\u0902 \u0915\u094d\u0930\u093f\u092f\u093e\u0936\u0940\u0932 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902 :<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u091c\u0902\u0924\u0941 \u091c\u0940\u0935\u0915<\/span>
\n(B)\u00a0\u092e\u091b\u0932\u093f\u092f\u093e\u0901\u092e\u093e<\/span>
\n(C)\u00a0\u091c\u0940\u0935\u093e\u0923\u0941<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0938\u092d\u0940<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

69.\u00a0\u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u0917\u0948\u0938\u094b\u0902 \u0915\u094b \u0938\u093e\u092e\u093e\u0928\u094d\u092f\u0924\u0903 \u0917\u094d\u0930\u0940\u0928\u0939\u093e\u0909\u0938 \u0917\u0948\u0938 \u0915\u0939\u0924\u0947 \u0939\u0948\u0902 :<\/span><\/span><\/b><\/span><\/p>\n

(A) CFC, CH4<\/sub>, NO2<\/sub>,\u090f\u0935\u0902<\/span>\u00a0CO2<\/sub><\/span>\u00a0\u2713<\/span><\/b>
\n(B) CFC, CO2<\/sub>, NH3<\/sub>\u00a0\u090f\u0935\u0902<\/span>\u00a0N2<\/sub>
\n(C) CO2<\/sub>, CO, NH3<\/sub>\u00a0\u090f\u0935\u0902<\/span>\u00a0NO2<\/sub>
\n(D) CFC, N2<\/sub>, CO2<\/sub>,\u090f\u0935\u0902<\/span>\u00a0NH2<\/sub><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

70.\u00a0\u091c\u0932 \u092a\u094d\u0930\u0926\u0942\u0937\u0923 \u0915\u093e \u0938\u093e\u092e\u093e\u0928\u094d\u092f \u0938\u0942\u091a\u0915 \u091c\u0940\u0935 \u0939\u0948:<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0932\u0947\u092e\u094d\u0928\u093e\u092a\u0948\u0928\u094d\u0938\u0940\u0915\u094b\u0938\u094d\u091f\u0947\u091f\u093e<\/span>
\n(B)\u00a0\u0906\u0907\u0915\u0949\u0930\u094d\u0928\u093f\u092f\u093e \u0915\u094d\u0930\u0948\u0938\u093f\u092a\u094d\u0938<\/span>
\n(C)\u00a0\u0908\u0936\u094d\u091a\u0947\u0930\u093f\u091a\u093f\u092f\u093e \u0915\u094b\u0932\u093e\u0908<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0\u090f\u0928\u094d\u091f\u093e\u092e\u0940\u092c\u093e \u0939\u093f\u0938\u094d\u091f\u094b\u0932\u093f\u091f\u093f\u0915\u093e<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

71.\u00a0\u092f\u0942\u091f\u094b\u092b\u093f\u0915\u0947\u0936\u0928 \u092a\u094d\u0930\u093e\u092f\u0903 \u0926\u0947\u0916\u093e \u091c\u093e\u0924\u093e \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0938\u094d\u0935\u091a\u094d\u091b \u091c\u0932\u0940\u092f \u091d\u0940\u0932\u094b\u0902 \u092e\u0947\u0902<\/span>
\n(B)\u00a0\u092e\u0939\u093e\u0938\u093e\u0917\u0930\u094b\u0902 \u092e\u0947\u0902<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u092a\u0939\u093e\u0921\u093c\u094b\u0902 \u092e\u0947\u0902<\/span>
\n(D)\u00a0\u092e\u0930\u0941\u0938\u094d\u0925\u0932\u094b\u0902 \u092e\u0947\u0902<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

72.\u00a0\u0935\u093e\u0939\u0928\u094b\u0902 \u092e\u0947\u0902<\/span>\u00a0\u2018\u0915\u0948\u091f\u0947\u0932\u093f\u091f\u093f\u0915 \u0915\u0928\u094d\u0935\u0930\u094d\u091f\u0930\u2019<\/span>\u00a0\u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u093f\u0938\u0915\u0947 \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u0915\u0947 \u0932\u093f\u090f \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0935\u093e\u092f\u0941 \u092a\u094d\u0930\u0926\u0942\u0937\u0923<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0930\u0947\u0921\u093f\u092f\u094b\u090f\u0915\u094d\u091f\u093f\u0935 \u092a\u094d\u0930\u0926\u0942\u0937\u0923<\/span>
\n(B)\u00a0\u091c\u0932 \u092a\u094d\u0930\u0926\u0942\u0937\u0923<\/span>
\n(D)\u00a0\u092e\u0943\u0926\u093e \u092a\u094d\u0930\u0926\u0942\u0937\u0923<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

73.\u00a0\u092e\u093e\u0901\u091f\u094d\u0930\u093f\u092f\u0932 \u092a\u094d\u0930\u094b\u091f\u094b\u0915\u0949\u0932 \u091c\u093f\u0938\u092e\u0947\u0902 \u0913\u091c\u094b\u0928 \u092a\u0930\u0924 \u0915\u094b \u092e\u093e\u0928\u0935 \u0915\u094d\u0930\u093f\u092f\u093e\u0915\u0932\u093e\u092a\u094b\u0902 \u0938\u0947 \u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924 \u092c\u091a\u093e\u090f \u0930\u0916\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0909\u091a\u093f\u0924 \u0915\u093e\u0930\u094d\u092f\u0935\u093e\u0939\u0940 \u0915\u0930\u0928\u0947 \u0915\u094b \u0915\u0939\u093e \u0917\u092f\u093e \u0939\u0948<\/span>,\u00a0\u0915\u093f\u0938 \u0935\u0930\u094d\u0937 \u092e\u0947\u0902 \u092a\u093e\u0930\u093f\u0924 \u0915\u093f\u092f\u093e \u0917\u092f\u093e \u0925\u093e<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) 1986
\n(B) 1987<\/span>\u00a0\u2713<\/span><\/b>
\n(C) 1988
\n(D) 1985<\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

74.\u00a0\u092e\u0941\u0916\u094d\u092f \u0935\u093e\u092f\u0941 \u092a\u094d\u0930\u0926\u0942\u0937\u0915 \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A) CO
\n(B) CO2<\/span>\u00a0\u2713<\/span><\/b>
\n(C) N2<\/sub>
\n(D)\u00a0\u0917\u0902\u0927\u0915<\/span><\/span><\/span><\/p>\n

\u00a0\u00a0<\/span><\/p>\n

75.\u00a0\u092f\u0926\u093f \u0915\u093f\u0938\u0940 \u091d\u0940\u0932 \u092e\u0947\u0902<\/span>\u00a0DDT\u00a0\u092a\u093e\u0908 \u091c\u093e\u0924\u0940 \u0939\u0948 \u0924\u094b \u0938\u0930\u094d\u0935\u093e\u0927\u093f\u0915 \u0938\u093e\u0902\u0926\u094d\u0930\u0924\u093e \u092a\u093e\u0908 \u091c\u093e\u090f\u0917\u0940 :<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u092a\u093e\u0926 \u092a\u094d\u0932\u0935\u0915\u094b\u0902 \u092e\u0947\u0902<\/span>
\n(B)\u00a0\u091c\u0942\u0902 \u092a\u094d\u0932\u0948\u0915\u091f\u0949\u0928 \u092e\u0947\u0902<\/span>
\n(C)\u00a0\u092e\u091b\u0932\u0940 \u092d\u0915\u094d\u0937\u0915 \u091a\u093f\u0921\u093c\u093f\u092f\u094b\u0902 \u092e\u0947\u0902<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0\u092e\u091b\u0932\u093f\u092f\u094b\u0902 \u092e\u0947\u0902 \u0915\u093e\u092e<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

76.\u00a0\u092b\u094d\u0932\u094b\u0930\u093e\u0907\u0921 \u0915\u0940 \u0938\u093e\u0902\u0926\u094d\u0930\u0924\u093e \u0935\u093e\u092f\u0941\u092e\u0902\u0921\u0932 \u092e\u0947\u0902 \u092c\u0922\u093c\u0928\u0947 \u0938\u0947 \u0939\u094b\u0924\u093e \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0915\u094d\u0932\u094b\u0930\u094b\u0938\u093f\u0938 \u0915\u093e<\/span>
\n(B)\u00a0\u0928\u0947\u0915\u094d\u0930\u094b\u0938\u093f\u0938<\/span>
\n(C)\u00a0\u092b\u094d\u0932\u094b\u0930\u094b\u0938\u093f\u0938<\/span>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0938\u092d\u0940<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

77.\u00a0\u092a\u0947\u0930\u0949\u0915\u094d\u0938\u0940 \u090f\u0938\u0940\u091f\u093f\u0932 \u0928\u093e\u0907\u091f\u094d\u0930\u0947\u091f (<\/span>PAN)\u00a0\u0915\u093f\u0938 \u092a\u094d\u0930\u0915\u093e\u0930 \u0915\u093e \u092a\u094d\u0930\u0926\u0942\u0937\u0923 \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u092a\u094d\u0930\u0926\u0942\u0937\u0915<\/span>
\n(B)\u00a0\u0926\u094d\u0935\u093f\u0924\u0940\u092f \u092a\u094d\u0930\u0926\u0942\u0937\u0915<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u091c\u0932 \u092a\u094d\u0930\u0926\u0942\u0937\u0915<\/span>
\n(D)\u00a0\u0927\u094d\u0935\u0928\u093f \u092a\u094d\u0930\u0926\u0942\u0937\u0915<\/span><\/span><\/span><\/p>\n

\u00a0D)\u00a0\u092a\u094d\u0930\u0915\u093e\u0936 \u0930\u093e\u0938\u093e\u092f\u093f\u0928\u0915 \u0911\u0915\u094d\u0938\u0940\u091c\u0928<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

78.\u00a0\u0938\u092e\u0924\u093e\u092a \u092e\u0902\u0921\u0932 \u092e\u0947\u0902 \u092a\u0930\u093e\u092c\u0948\u0902\u0917\u0928\u0940 \u0935\u093f\u0915\u093f\u0930\u0923\u094b\u0902 \u0915\u094b \u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u0915\u0947 \u0926\u094d\u0935\u093e\u0930\u093e \u0905\u0935\u0936\u094b\u0937\u093f\u0924 \u0915\u093f\u092f\u093e \u0917\u092f\u093e \u0939\u0948 :<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0911\u0915\u094d\u0938\u0940\u091c\u0928<\/span>
\n(B)\u00a0\u0913\u091c\u094b\u0928<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C) SO2<\/sub>
\n(D)\u00a0\u0911\u0930\u094d\u0917\u0928<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

79.\u00a0\u092e\u0941\u0902\u092c\u0908 \u0914\u0930 \u0915\u094b\u0932\u0915\u093e\u0924\u093e \u0915\u0947 \u0936\u0939\u0930\u094b\u0902 \u092e\u0947\u0902 \u092e\u0941\u0916\u094d\u092f \u092a\u094d\u0930\u0926\u0942\u0937\u0915 \u0939\u0948\u0902 :<\/span><\/span><\/b><\/span><\/p>\n

(A) CO,SO2<\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u0913\u091c\u094b\u0928<\/span>
\n(C)\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u0915\u093e\u0930\u094d\u092c\u0928 \u0914\u0930 \u0917\u0930\u094d\u092e \u0935\u093e\u092f\u0941<\/span>
\n(D)\u00a0\u0936\u0948\u0935\u093e\u0932\u094b\u0902 \u0915\u0947 \u092c\u0940\u091c\u093e\u0923\u0941<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

80.\u00a0\u0935\u093e\u092f\u0941\u092e\u0902\u0921\u0932<\/span>\u00a0CO2<\/sub>\u00a0\u0915\u0940 \u0938\u093e\u0902\u0926\u094d\u0930\u0924\u093e \u092e\u0947\u0902 \u0935\u0943\u0926\u094d\u0927\u093f \u0939\u093e\u0928\u093f\u0915\u093e\u0930\u0915 \u0939\u0948 \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u092f\u0939 :<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0927\u0942\u092e \u092c\u0928\u093e\u0924\u093e \u0939\u0948<\/span>
\n(B)\u00a0\u0924\u093e\u092a \u0905\u0935\u0936\u094b\u0937\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0936\u094d\u0935\u0938\u0928 \u0938\u0902\u092c\u0902\u0927\u0940 \u0930\u094b\u0917 \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0915\u0930\u0924\u093e \u0939\u0948<\/span>
\n(D)\u00a0\u0924\u094d\u0935\u091a\u093e \u0930\u094b\u0917 \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0915\u0930\u0924\u093e \u0939\u0948<\/span><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

1.\u00a0\u0935\u093f\u0936\u094d\u0935 \u092a\u0930\u094d\u092f\u093e\u0935\u0930\u0923 \u0926\u093f\u0935\u0938 \u092e\u0928\u093e\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 : (A) 6\u00a0\u0926\u093f\u0938\u092e\u094d\u092c\u0930 \u0915\u094b (B) 5\u00a0\u091c\u0942\u0928 \u0915\u094b\u00a0\u2713 (C) 6\u00a0\u091c\u0928\u0935\u0930\u093e \u0915\u093e (D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[125],"tags":[],"class_list":["post-897","post","type-post","status-publish","format-standard","hentry","category-objective-biology"],"_links":{"self":[{"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=\/wp\/v2\/posts\/897","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=897"}],"version-history":[{"count":2,"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=\/wp\/v2\/posts\/897\/revisions"}],"predecessor-version":[{"id":1881,"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=\/wp\/v2\/posts\/897\/revisions\/1881"}],"wp:attachment":[{"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=897"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=897"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=897"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}