{"id":6149,"date":"2026-03-21T02:36:53","date_gmt":"2026-03-21T02:36:53","guid":{"rendered":"https:\/\/hazarnotes.com\/?p=6149"},"modified":"2026-03-21T02:36:53","modified_gmt":"2026-03-21T02:36:53","slug":"class-8-poribesh-o-biggyan-first-unit-test-question-paper-set-2-wbbse","status":"publish","type":"post","link":"https:\/\/hazarnotes.com\/mystaging01\/class-8-poribesh-o-biggyan-first-unit-test-question-paper-set-2-wbbse\/","title":{"rendered":"Class 8 Poribesh O Biggyan First Unit Test Question Paper Set-2 wbbse | \u0985\u09b7\u09cd\u099f\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09b0 \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6 \u0993 \u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8 \u09aa\u09cd\u09b0\u09a5\u09ae \u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 \u09b8\u09c7\u099f-\u09e8"},"content":{"rendered":"

FIRST SUMMATIVE EVALUATION
\nCLASS 8 (VIII) WBBSE
\nPORIBESH O BIGGYAN QUESTION PAPER
\n<\/strong><\/p>\n

Class 8 Poribesh O Biggyan First Unit Test Question Paper Set-2 wbbse | \u0985\u09b7\u09cd\u099f\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09b0 \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6 \u0993 \u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8 \u09aa\u09cd\u09b0\u09a5\u09ae \u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 \u09b8\u09c7\u099f-\u09e8<\/strong><\/span><\/p>\n

\ud83d\udccc\u0985\u09b7\u09cd\u099f\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f<\/span> \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 Click Here<\/a><\/strong><\/p>\n

Set-2<\/strong><\/span><\/h2>\n

\u09aa\u09cd\u09b0\u09a5\u09ae \u09aa\u09b0\u09cd\u09af\u09be\u09af\u09bc\u0995\u09cd\u09b0\u09ae\u09bf\u0995 \u09ae\u09c2\u09b2\u09cd\u09af\u09be\u09af\u09bc\u09a8
\n\u0985\u09b7\u09cd\u099f\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf
\n\u09ac\u09bf\u09b7\u09af\u09bc : \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6 \u0993 \u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8
\n\u09aa\u09c2\u09b0\u09cd\u09a3\u09ae\u09be\u09a8 : \u09e9\u09e6\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u09b8\u09ae\u09af\u09bc : \u09e7 \u0998\u09a3\u09cd\u099f\u09be<\/strong><\/p>\n

Baidyanathpur High School<\/strong>
\nPandaveswar, Paschim Bardhaman<\/strong>
\n1st Summative Evaluation, 2025<\/strong>
\nClass – VIII<\/strong>
\nSubject – Poribesh<\/strong><\/p>\n

Time : 1 hr\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 F.M. 30<\/strong><\/p>\n

PHYSICAL SCIENCE (20 Marks)<\/strong><\/span><\/p>\n

1. \u09b8\u09a0\u09bf\u0995 \u0989\u09a4\u09cd\u09a4\u09b0\u099f\u09bf \u09a8\u09bf\u09b0\u09cd\u09ac\u09be\u099a\u09a8 \u0995\u09b0 : 1×6=6<\/span><\/strong><\/p>\n

(i) \u0995\u09cb\u09a8\u09cb \u09ac\u09b8\u09cd\u09a4\u09c1\u09b0 \u09ad\u09b0 10kg \u09b9\u09b2\u09c7 \u09ac\u09b8\u09cd\u09a4\u09c1\u099f\u09bf\u09b0 \u0993\u099c\u09a8 \u09b9\u09ac\u09c7 (g = 9.8m\/s\u00b2)
\n(a) 98N
\n(b) 19.6 N
\n(c) 10 N
\n(d) 0.98 N<\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (a) 98N<\/strong><\/p>\n

(ii) \u09a4\u09b0\u09b2\u09c7\u09b0 \u099a\u09be\u09aa \u0995\u09cd\u09b0\u09bf\u09df\u09be \u0995\u09b0\u09c7
\n(a) \u09b6\u09c1\u09a7\u09c1 \u09a8\u09c0\u099a\u09c7\u09b0 \u09a6\u09bf\u0995\u09c7
\n(b) \u09b6\u09c1\u09a7\u09c1 \u09aa\u09be\u09b6\u09c7\u09b0 \u09a6\u09bf\u0995\u09c7
\n(c) \u09b6\u09c1\u09a7\u09c1 \u0993\u09aa\u09b0\u09c7\u09b0 \u09a6\u09bf\u0995\u09c7
\n(d) \u09b8\u09ac\u09a6\u09bf\u0995\u09c7 \u09b8\u09ae\u09be\u09a8\u09ad\u09be\u09ac\u09c7<\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (d) \u09b8\u09ac\u09a6\u09bf\u0995\u09c7 \u09b8\u09ae\u09be\u09a8\u09ad\u09be\u09ac\u09c7\u0964<\/strong><\/p>\n

(iii) \u09aa\u09b0\u09ae\u09be\u09a8\u09c1\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u09b8\u09ac\u099a\u09c7\u09df\u09c7 \u09ad\u09be\u09b0\u09c0 \u0995\u09a8\u09be\u09b0 \u09a8\u09be\u09ae
\n(a) \u09aa\u09cd\u09b0\u09cb\u099f\u09a8
\n(b) \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8
\n(c) \u09a8\u09bf\u0989\u099f\u09cd\u09b0\u09a8
\n(d) \u09aa\u099c\u09bf\u099f\u09cd\u09b0\u09a8<\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (c) \u09a8\u09bf\u0989\u099f\u09cd\u09b0\u09a8<\/strong><\/p>\n

(iv) \u099c\u09b2\u09c7 \u09a6\u09cd\u09b0\u09ac\u09c0\u09ad\u09c2\u09a4 \u0985\u09ac\u09b8\u09cd\u09a5\u09be\u09a4\u09c7 \u09a4\u09dc\u09bf\u09ce \u09aa\u09b0\u09bf\u09ac\u09b9\u09a8 \u0995\u09b0\u09c7\u2014
\n(a) NaCl
\n(b) CCl\u2084
\n(C) C\u2081\u2082H\u2082\u2082O\u2081\u2081
\n(d) CH\u2084<\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (a) NaCl<\/strong><\/p>\n

(v) \u09aa\u09cd\u09b2\u09ac\u09a4\u09be\u09b0 \u098f\u0995\u0995 \u09b9\u09b2\u2014
\n(a) \u09a8\u09bf\u0989\u099f\u09a8
\n(b) \u09a8\u09bf\u0989\u099f\u09a8\/\u09ae\u09bf\u099f\u09be\u09b0
\n(c) \u09a8\u09bf\u0989\u099f\u09a8\/\u09ae\u09bf\u099f\u09be\u09b0
\n(d) \u09a8\u09bf\u0989\u099f\u09a8 \u09ae\u09bf\u099f\u09be\u09b0<\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (a) \u09a8\u09bf\u0989\u099f\u09a8<\/strong><\/p>\n

(vi) \u099a\u09be\u0981\u09a6\u09c7\u09b0 \u0997\u09dc \u0985\u09ad\u09bf\u0995\u09b0\u09cd\u09b7\u099c \u09a4\u09cd\u09ac\u09b0\u09a8 \u09aa\u09c3\u09a5\u09bf\u09ac\u09c0\u09b0
\n\u0997\u09dc \u0985\u09ad\u09bf\u0995\u09b0\u09cd\u09b7\u099c \u09a4\u09cd\u09ac\u09b0\u09a8\u09c7\u09b0\u2014
\n(a) `frac(1){3}` \u0997\u09c1\u09a3
\n(b) `frac(1){9}` \u0997\u09c1\u09a3
\n(c) `frac(1){6}` \u0997\u09c1\u09a3
\n(d) `frac(1){5}` \u0997\u09c1\u09a3<\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (c) `frac(1){6}` \u0997\u09c1\u09a3<\/strong><\/p>\n

2. \u09a8\u09c0\u099a\u09c7\u09b0 \u09ac\u09bf\u09ac\u09c3\u09a4\u09bf\u0997\u09c1\u09b2\u09bf \u09b8\u09a4\u09cd\u09af \u09ac\u09be \u09ae\u09bf\u09a5\u09cd\u09af\u09be \u09b2\u09c7\u0996\u09cb : 1×3=3<\/span><\/strong><\/p>\n

(i) \u098f\u0995\u099f\u09bf \u0985\u09a7\u09be\u09a4\u09c1\u09b0 \u0989\u09a6\u09be\u09b9\u09b0\u09a8 \u09b9\u09b2 \u0995\u09be\u09b0\u09cd\u09ac\u09a8\u0964<\/strong><\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09b8\u09a4\u09cd\u09af (\u0995\u09be\u09b0\u09cd\u09ac\u09a8 \u098f\u0995\u099f\u09bf \u0985\u09a7\u09be\u09a4\u09c1)\u0964<\/p>\n

(ii) \u0989\u09b0\u09cd\u09a7\u09aa\u09be\u09a4\u09bf\u09a4 \u09b9\u09df \u098f\u09ae\u09a8 \u098f\u0995\u099f\u09bf \u09aa\u09a6\u09be\u09b0\u09cd\u09a5 \u09b9\u09b2 \u0995\u09aa\u09c2\u09b0\u0964<\/strong><\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09b8\u09a4\u09cd\u09af (\u0995\u09aa\u09c2\u09b0 \u0995\u09a0\u09bf\u09a8 \u09a5\u09c7\u0995\u09c7 \u09b8\u09b0\u09be\u09b8\u09b0\u09bf \u0997\u09cd\u09af\u09be\u09b8\u09c7 \u09aa\u09b0\u09bf\u09a3\u09a4 \u09b9\u09df)\u0964<\/p>\n

(iii) \u09ae\u09b9\u09be\u0995\u09b0\u09cd\u09b7 \u09ac\u09b2\u09c7\u09b0 \u09ae\u09be\u09a8 \u09b6\u09c2\u09a8\u09cd\u09af \u09b9\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964<\/strong><\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09ae\u09bf\u09a5\u09cd\u09af\u09be (\u09a6\u09c1\u099f\u09bf \u09ac\u09b8\u09cd\u09a4\u09c1\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u09ad\u09b0 \u09a5\u09be\u0995\u09b2\u09c7 \u09ae\u09b9\u09be\u0995\u09b0\u09cd\u09b7 \u09ac\u09b2 \u0995\u0996\u09a8\u09cb \u09b6\u09c2\u09a8\u09cd\u09af \u09b9\u09df \u09a8\u09be, \u09a4\u09ac\u09c7 \u0985\u09b8\u09c0\u09ae \u09a6\u09c2\u09b0\u09a4\u09cd\u09ac\u09c7 \u09a4\u09be \u09aa\u09cd\u09b0\u09be\u09df \u09b6\u09c2\u09a8\u09cd\u09af\u09c7\u09b0 \u0995\u09be\u099b\u09be\u0995\u09be\u099b\u09bf \u09aa\u09cc\u0981\u099b\u09be\u09df)\u0964<\/p>\n

3. \u09b6\u09c2\u09a8\u09cd\u09af\u09b8\u09cd\u09a5\u09be\u09a8 \u09aa\u09c2\u09b0\u09a3 \u0995\u09b0\u09cb : 1×3=3<\/strong><\/p>\n

(i) \u09b8\u09ae\u09df \u09ac\u09be\u09dc\u09be\u09b0 \u09b8\u0999\u09cd\u0997\u09c7 \u09b8\u0999\u09cd\u0997\u09c7 \u09aa\u09a4\u09a8\u09b6\u09c0\u09b2 \u09ac\u09b8\u09cd\u09a4\u09c1\u09b0 \u09ac\u09c7\u0997 __________ \u09a5\u09be\u0995\u09c7\u0964<\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u09ac\u09be\u09a1\u09bc\u09a4\u09c7\u0964<\/strong><\/p>\n

(ii) PH\u2083 \u09af\u09cc\u0997\u09c7 \u09ab\u09b8\u09ab\u09b0\u09be\u09b8 P \u098f\u09b0 \u09af\u09cb\u099c\u09cd\u09af\u09a4\u09be _________ \u09a5\u09be\u0995\u09c7\u0964<\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u09e9<\/strong><\/p>\n

(iii) \u0997\u09cd\u09af\u09be\u09b8\u09c0\u09df \u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u09c7\u09b0 \u0985\u09a8\u09c1\u0997\u09c1\u09b2\u09bf\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 __________ \u09ac\u09b2 \u09b8\u09ac\u099a\u09c7\u09df\u09c7 \u0995\u09ae \u09b9\u09ac\u09c7\u0964<\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0986\u09a8\u09cd\u09a4\u0983\u0986\u09a3\u09ac\u09bf\u0995 \u0986\u0995\u09b0\u09cd\u09b7\u09a3\u0964<\/strong><\/p>\n

4. \u09a8\u09c0\u099a\u09c7\u09b0 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u0997\u09c1\u09b2\u09bf\u09b0 \u0989\u09a4\u09cd\u09a4\u09b0 \u09a6\u09be\u0993 (\u09af\u09c7 \u0995\u09cb\u09a8 \u099a\u09be\u09b0\u099f\u09bf) : 2×4=8<\/strong><\/span><\/p>\n

(i) \u0995\u09cb\u09a8\u09cb \u09ac\u09b8\u09cd\u09a4\u09c1\u09b0 \u09ae\u09cb\u099f \u09ad\u09b0\u0995\u09c7 \u09ae\u09cb\u099f \u0986\u09df\u09a4\u09a8 \u09a6\u09bf\u09df\u09c7 \u09ad\u09be\u0997 \u0995\u09b0\u09be \u09b9\u09b2\u09c7 \u0995\u09cb\u09a8 \u09b0\u09be\u09b6\u09bf \u09aa\u09be\u0993\u09df\u09be \u09af\u09be\u09ac\u09c7 ? \u098f\u0987 \u09b0\u09be\u09b6\u09bf\u099f\u09bf\u09b0 SI \u098f\u0995\u0995 \u09b2\u09c7\u0996\u0964<\/strong><\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u0995\u09cb\u09a8\u09cb \u09ac\u09b8\u09cd\u09a4\u09c1\u09b0 \u09ae\u09cb\u099f \u09ad\u09b0\u0995\u09c7 \u09ae\u09cb\u099f \u0986\u09df\u09a4\u09a8 \u09a6\u09bf\u09df\u09c7 \u09ad\u09be\u0997 \u0995\u09b0\u09b2\u09c7 \u0998\u09a8\u09a4\u09cd\u09ac \u09aa\u09be\u0993\u09df\u09be \u09af\u09be\u09df\u0964<\/p>\n

SI \u098f\u0995\u0995: \u0998\u09a8\u09a4\u09cd\u09ac\u09c7\u09b0 SI \u098f\u0995\u0995 \u09b9\u09b2\u09cb \u0995\u09bf\u09b2\u09cb\u0997\u09cd\u09b0\u09be\u09ae\/\u0998\u09a8\u09ae\u09bf\u099f\u09be\u09b0 (kglm\u00b3)\u0964<\/p>\n

(ii) \u098f\u0995\u099f\u09bf \u0985\u09a7\u09be\u09a4\u09c1\u09b0 \u09a8\u09be\u09ae \u09b2\u09c7\u0996 \u09af\u09be \u09a4\u09be\u09aa \u0993 \u09a4\u09dc\u09bf\u09a4\u09c7\u09b0 \u09b8\u09c1\u09aa\u09b0\u09bf\u09ac\u09be\u09b9\u09c0\u0964 Na(11) \u098f\u09b0 \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8 \u09ac\u09bf\u09a8\u09cd\u09af\u09be\u09b8 \u09b2\u09c7\u0996\u0964<\/strong><\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09a4\u09be\u09aa \u0993 \u09a4\u09dc\u09bf\u09a4\u09c7\u09b0 \u09b8\u09c1\u09aa\u09b0\u09bf\u09ac\u09be\u09b9\u09c0 \u098f\u0995\u099f\u09bf \u0985\u09a7\u09be\u09a4\u09c1 \u09b9\u09b2\u09cb \u0997\u09cd\u09b0\u09be\u09ab\u09be\u0987\u099f\u0964
\nNa (\u09b8\u09cb\u09a1\u09bf\u09df\u09be\u09ae)-\u098f\u09b0 \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8 \u09ac\u09bf\u09a8\u09cd\u09af\u09be\u09b8: \u09b8\u09cb\u09a1\u09bf\u09df\u09be\u09ae\u09c7\u09b0 \u09aa\u09b0\u09ae\u09be\u09a3\u09c1 \u0995\u09cd\u09b0\u09ae\u09be\u0999\u09cd\u0995 \u09e7\u09e7, \u09a4\u09be\u0987 \u098f\u09b0 \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8 \u09ac\u09bf\u09a8\u09cd\u09af\u09be\u09b8 \u09b9\u09b2\u09cb \u09e8, \u09ee, \u09e7 (K \u0995\u0995\u09cd\u09b7\u09c7 \u09e8\u099f\u09bf, L \u0995\u0995\u09cd\u09b7\u09c7 \u09ee\u099f\u09bf \u098f\u09ac\u0982 M \u0995\u0995\u09cd\u09b7\u09c7 \u09e7\u099f\u09bf)\u0964<\/p>\n

(iii) \u0995\u09c1\u09b2\u09ae\u09cd\u09ac\u09c7\u09b0 \u09b8\u09c2\u09a4\u09cd\u09b0\u099f\u09bf \u09b2\u09c7\u0996\u0964<\/strong><\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09a6\u09c1\u099f\u09bf \u09b8\u09cd\u09a5\u09bf\u09b0 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1-\u0986\u09a7\u09be\u09a8\u09c7\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u0995\u09cd\u09b0\u09bf\u09df\u09be\u09b6\u09c0\u09b2 \u0986\u0995\u09b0\u09cd\u09b7\u09a3 \u09ac\u09be \u09ac\u09bf\u0995\u09b0\u09cd\u09b7\u09a3 \u09ac\u09b2\u09c7\u09b0 \u09ae\u09be\u09a8 \u0986\u09a7\u09be\u09a8 \u09a6\u09c1\u099f\u09bf\u09b0 \u09aa\u09b0\u09bf\u09ae\u09be\u09a3\u09c7\u09b0 \u0997\u09c1\u09a3\u09ab\u09b2\u09c7\u09b0 \u09b8\u09ae\u09be\u09a8\u09c1\u09aa\u09be\u09a4\u09bf\u0995 \u098f\u09ac\u0982 \u09a4\u09be\u09a6\u09c7\u09b0 \u09ae\u09a7\u09cd\u09af\u09ac\u09b0\u09cd\u09a4\u09c0 \u09a6\u09c2\u09b0\u09a4\u09cd\u09ac\u09c7\u09b0 \u09ac\u09b0\u09cd\u0997\u09c7\u09b0 \u09ac\u09cd\u09af\u09b8\u09cd\u09a4\u09be\u09a8\u09c1\u09aa\u09be\u09a4\u09bf\u0995\u0964 \u098f\u0987 \u09ac\u09b2 \u0986\u09a7\u09be\u09a8 \u09a6\u09c1\u099f\u09bf\u09b0 \u09b8\u0982\u09af\u09cb\u0997\u0995\u09be\u09b0\u09c0 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be \u09ac\u09b0\u09be\u09ac\u09b0 \u0995\u09cd\u09b0\u09bf\u09df\u09be \u0995\u09b0\u09c7\u0964<\/p>\n

(iv) \u09b8\u09ae\u09af\u09cb\u099c\u09c0 \u09af\u09cc\u0997 \u0995\u09be\u0995\u09c7 \u09ac\u09b2\u09c7? \u0989\u09a6\u09be\u09b9\u09b0\u09a8 \u09a6\u09be\u0993\u0964<\/strong><\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09a8\u09bf\u0995\u099f\u09a4\u09ae \u09a8\u09bf\u09b7\u09cd\u0995\u09cd\u09b0\u09bf\u09df \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u09ae\u09a4\u09cb \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8 \u09ac\u09bf\u09a8\u09cd\u09af\u09be\u09b8 \u09b2\u09be\u09ad\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u09af\u0996\u09a8 \u09a6\u09c1\u099f\u09bf \u09aa\u09b0\u09ae\u09be\u09a3\u09c1 (\u098f\u0995\u0987 \u09ac\u09be \u09ad\u09bf\u09a8\u09cd\u09a8 \u09ae\u09cc\u09b2\u09c7\u09b0) \u098f\u0995 \u09ac\u09be \u098f\u0995\u09be\u09a7\u09bf\u0995 \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8 \u099c\u09cb\u09dc \u0997\u09a0\u09a8 \u0995\u09b0\u09c7 \u098f\u09ac\u0982 \u09b8\u09c7\u0987 \u099c\u09cb\u09dc\u0995\u09c7 \u0989\u09ad\u09df \u09aa\u09b0\u09ae\u09be\u09a3\u09c1 \u09b8\u09ae\u09be\u09a8\u09ad\u09be\u09ac\u09c7 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7 \u09af\u09c7 \u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u09ac\u09a8\u09cd\u09a7\u09a8 \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09c7, \u09a4\u09be\u0995\u09c7 \u09b8\u09ae\u09af\u09cb\u099c\u09c0 \u09af\u09cc\u0997 \u09ac\u09b2\u09c7\u0964
\n\u0989\u09a6\u09be\u09b9\u09b0\u09a3: \u099c\u09b2 (H\u2082O), \u09ae\u09bf\u09a5\u09c7\u09a8 (CH\u2084)\u0964<\/p>\n

(v) \u0986\u0987\u09b8\u09cb\u099f\u09cb\u09aa \u0995\u09be\u0995\u09c7 \u09ac\u09b2\u09c7 ? H \u098f\u09b0 \u0986\u0987\u09b8\u09cb\u099f\u09cb\u09aa \u0997\u09c1\u09b2\u09bf\u09b0 \u09a8\u09be\u09ae \u09b2\u09c7\u0996\u0964<\/strong><\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u098f\u0995\u0987 \u09ae\u09cc\u09b2\u09c7\u09b0 \u09ad\u09bf\u09a8\u09cd\u09a8 \u09ad\u09bf\u09a8\u09cd\u09a8 \u09aa\u09b0\u09ae\u09be\u09a3\u09c1 \u09af\u09be\u09a6\u09c7\u09b0 \u09aa\u09b0\u09ae\u09be\u09a3\u09c1 \u0995\u09cd\u09b0\u09ae\u09be\u0999\u09cd\u0995 (\u09ac\u09be \u09aa\u09cd\u09b0\u09cb\u099f\u09a8 \u09b8\u0982\u0996\u09cd\u09af\u09be) \u09b8\u09ae\u09be\u09a8 \u0995\u09bf\u09a8\u09cd\u09a4\u09c1 \u09ad\u09b0 \u09b8\u0982\u0996\u09cd\u09af\u09be (\u09a8\u09bf\u0989\u0995\u09cd\u09b2\u09bf\u09df\u09be\u09b8\u09c7 \u09a8\u09bf\u0989\u099f\u09cd\u09b0\u09a8 \u09b8\u0982\u0996\u09cd\u09af\u09be\u09b0 \u09aa\u09be\u09b0\u09cd\u09a5\u0995\u09cd\u09af\u09c7\u09b0 \u099c\u09a8\u09cd\u09af) \u09ad\u09bf\u09a8\u09cd\u09a8, \u09a4\u09be\u09a6\u09c7\u09b0 \u0986\u0987\u09b8\u09cb\u099f\u09cb\u09aa \u09ac\u09b2\u09c7\u0964
\nH (\u09b9\u09be\u0987\u09a1\u09cd\u09b0\u09cb\u099c\u09c7\u09a8)-\u098f\u09b0 \u0986\u0987\u09b8\u09cb\u099f\u09cb\u09aa: \u09e7. \u09aa\u09cd\u09b0\u09cb\u099f\u09bf\u09df\u09be\u09ae, \u09e8. \u09a1\u09df\u099f\u09c7\u09b0\u09bf\u09df\u09be\u09ae \u098f\u09ac\u0982 \u09e9. \u099f\u09cd\u09b0\u09bf\u099f\u09bf\u09df\u09be\u09ae\u0964<\/p>\n

LIFE SCIENCE (10 Marks)<\/strong><\/span><\/p>\n

1. \u09b8\u09a0\u09bf\u0995 \u0989\u09a4\u09cd\u09a4\u09b0\u099f\u09bf \u09a8\u09bf\u09b0\u09cd\u09ac\u09be\u099a\u09a8 \u0995\u09b0 : 1×3=3<\/span><\/strong><\/p>\n

(i) \u09a6\u09c7\u09b9\u09c7\u09b0 \u09ac\u09b0\u09cd\u099c\u09cd\u09af\u0995\u09c7 \u09ae\u09c1\u09a4\u09cd\u09b0\u09c7\u09b0 \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7 \u09a6\u09c7\u09b9 \u09a5\u09c7\u0995\u09c7 \u09ac\u09c7\u09b0 \u0995\u09b0\u09c7 \u09a6\u09bf\u09a4\u09c7 \u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af \u0995\u09b0\u09c7 \u09af\u09c7 \u0985\u0999\u09cd\u0997\u099f\u09bf \u09b8\u09c7\u099f\u09bf \u09b9\u09b2\u2014
\n(a) \u09ac\u09c3\u0995\u09cd\u0995
\n(b) \u09ab\u09c1\u09b8\u09ab\u09c1\u09b8
\n(c) \u09b9\u09c3\u09ce\u09aa\u09bf\u09a8\u09cd\u09a1<\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (a) \u09ac\u09c3\u0995\u09cd\u0995<\/strong><\/p>\n

(ii) \u09aa\u09cd\u09b0\u09cb\u099f\u09bf\u09a8 \u09a4\u09c8\u09b0\u09bf\u09a4\u09c7 \u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af \u0995\u09b0\u09c7
\n(a) \u0997\u09b2\u0997\u09bf \u09ac\u09b8\u09cd\u09a4\u09c1
\n(b) \u09b0\u09be\u0987\u09ac\u09cb\u099c\u09cb\u09ae
\n(c) \u09b2\u09be\u0987\u09b8\u09cb\u099c\u09cb\u09ae<\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (b) \u09b0\u09be\u0987\u09ac\u09cb\u099c\u09cb\u09ae<\/strong><\/p>\n

(iii) \u0986\u09a4\u09cd\u09ae\u0998\u09be\u09a4\u09c0 \u09a5\u09b2\u09bf \u09b9\u09b2
\n(a) \u0997\u09b2\u0997\u09bf \u09ac\u09a1\u09bf
\n(b) \u09b2\u09be\u0987\u09b8\u09cb\u099c\u09cb\u09ae
\n(c) \u09b0\u09be\u0987\u09ac\u09cb\u099c\u09cb\u0997<\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (b) \u09b2\u09be\u0987\u09b8\u09cb\u099c\u09cb\u09ae<\/strong><\/p>\n

2. \u09b6\u09c2\u09a8\u09cd\u09af\u09b8\u09cd\u09a5\u09be\u09a8 \u09aa\u09c2\u09b0\u09a8 \u0995\u09b0 (\u09af\u09c7 \u0995\u09cb\u09a8 \u098f\u0995\u099f\u09bf) : 1×1=1<\/span><\/strong><\/p>\n

(i) \u09b2\u09bf\u0989\u0995\u09cb\u09aa\u09cd\u09b2\u09be\u09b8\u099f\u09bf\u09a1\u09c7\u09b0 \u0995\u09be\u099c \u09b9\u09b2 ______________ \u0964<\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0996\u09be\u09a6\u09cd\u09af \u09b8\u099e\u09cd\u099a\u09df \u0995\u09b0\u09be\u0964<\/strong><\/p>\n

(ii) \u09a4\u09b0\u09b2 \u09af\u09cb\u0997 \u0995\u09b2\u09be \u09b9\u09b2 ______________ \u0964<\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u09b0\u0995\u09cd\u09a4\u0964<\/strong><\/p>\n

3. \u09a8\u09c0\u099a\u09c7\u09b0 \u09ac\u09bf\u09ac\u09c3\u09a4\u09bf\u0997\u09c1\u09b2\u09bf \u09b8\u09a4\u09cd\u09af \u09ac\u09be \u09ae\u09bf\u09a5\u09cd\u09af\u09be \u09b2\u09c7\u0996 : 1×2=2<\/span><\/strong><\/p>\n

(i) \u09b8\u09cd\u09a8\u09be\u09af\u09bc\u09c1\u0995\u09cb\u09b6\u09c7\u09b0 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af \u09b8\u09ac\u099a\u09c7\u09df\u09c7 \u09ac\u09c7\u09b6\u09c0\u0964<\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u09b8\u09a4\u09cd\u09af\u0964<\/strong><\/p>\n

(ii) \u09ae\u09be\u09a8\u09ac \u09a6\u09c7\u09b9\u09c7 \u09ae\u09cb\u099f \u0995\u09cd\u09b0\u09cb\u09ae\u09cb\u099c\u09cb\u09ae \u09b8\u0982\u0996\u09cd\u09af\u09be 46 \u099f\u09bf\u0964<\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u09b8\u09a4\u09cd\u09af\u0964<\/strong><\/p>\n

4. \u09a8\u09c0\u099a\u09c7\u09b0 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u0997\u09c1\u09b2\u09bf\u09b0 \u0989\u09a4\u09cd\u09a4\u09b0 \u09a6\u09be\u0993 (\u09af\u09c7 \u0995\u09cb\u09a8 \u09a6\u09c1\u099f\u09bf) : 2\u00d72=4<\/strong><\/span><\/p>\n

(i) \u0995\u09cb\u09b6 \u0995\u09be\u0995\u09c7 \u09ac\u09b2\u09c7 ?<\/strong><\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u099c\u09c0\u09ac\u09a6\u09c7\u09b9\u09c7\u09b0 \u0997\u09a0\u09a8\u0997\u09a4 \u0993 \u0995\u09be\u09b0\u09cd\u09af\u0997\u09a4 \u098f\u0995\u0995 \u09af\u09be \u09b8\u09cd\u09ac\u09aa\u09cd\u09b0\u099c\u09a8\u09a8\u09b6\u09c0\u09b2, \u09a4\u09be\u0995\u09c7 \u0995\u09cb\u09b6 \u09ac\u09b2\u09c7\u0964<\/p>\n

(ii) \u09ad\u09be\u099c\u0995 \u0995\u09b2\u09be\u09b0 \u09a6\u09c1\u099f\u09bf \u0995\u09be\u099c \u09b2\u09c7\u0996\u0964<\/strong><\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09e7. \u098f\u0987 \u0995\u09b2\u09be\u09b0 \u0995\u09cb\u09b6\u0997\u09c1\u09b2\u09cb \u0995\u09cd\u09b0\u09ae\u09be\u0997\u09a4 \u09ac\u09bf\u09ad\u09be\u099c\u09bf\u09a4 \u09b9\u09df\u09c7 \u0989\u09a6\u09cd\u09ad\u09bf\u09a6\u09c7\u09b0 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af\u09c7 \u0993 \u09aa\u09cd\u09b0\u09b8\u09cd\u09a5\u09c7 \u09ac\u09c3\u09a6\u09cd\u09a7\u09bf\u09a4\u09c7 \u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af \u0995\u09b0\u09c7\u0964
\n\u09e8. \u09ad\u09be\u099c\u0995 \u0995\u09b2\u09be \u09a5\u09c7\u0995\u09c7 \u0989\u09a6\u09cd\u09ad\u09bf\u09a6\u09c7\u09b0 \u09a8\u09a4\u09c1\u09a8 \u0985\u0999\u09cd\u0997 (\u09af\u09c7\u09ae\u09a8: \u09aa\u09be\u09a4\u09be, \u09ab\u09c1\u09b2) \u098f\u09ac\u0982 \u09b8\u09cd\u09a5\u09be\u09df\u09c0 \u0995\u09b2\u09be\u09b0 \u09b8\u09c3\u09b7\u09cd\u099f\u09bf \u09b9\u09df\u0964<\/p>\n

(iii) \u09aa\u09be\u09b0\u09cd\u09a5\u0995\u09cd\u09af \u09b2\u09c7\u0996: \u0995\u09cb\u09b6 \u09aa\u09b0\u09cd\u09a6\u09be \u0993 \u0995\u09cb\u09b6 \u09aa\u09cd\u09b0\u09be\u099a\u09c0\u09b0\u0964<\/strong><\/p>\n

\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong><\/p>\n\n\n\n\n\n\n
\u09ac\u09c8\u09b6\u09bf\u09b7\u09cd\u099f\u09cd\u09af <\/b><\/td>\n \u0995\u09cb\u09b6 \u09aa\u09b0\u09cd\u09a6\u09be <\/b><\/td>\n \u0995\u09cb\u09b6 \u09aa\u09cd\u09b0\u09be\u099a\u09c0\u09b0 <\/b><\/td>\n<\/tr>\n
\u0989\u09aa\u09b8\u09cd\u09a5\u09bf\u09a4\u09bf<\/td>\n\u0989\u09a6\u09cd\u09ad\u09bf\u09a6 \u0993 \u09aa\u09cd\u09b0\u09be\u09a3\u09c0 \u0989\u09ad\u09df \u0995\u09cb\u09b6\u09c7\u0987 \u09a5\u09be\u0995\u09c7\u0964<\/td>\n\u09b6\u09c1\u09a7\u09c1\u09ae\u09be\u09a4\u09cd\u09b0 \u0989\u09a6\u09cd\u09ad\u09bf\u09a6 \u0995\u09cb\u09b6\u09c7 \u09a5\u09be\u0995\u09c7 (\u09aa\u09cd\u09b0\u09be\u09a3\u09c0 \u0995\u09cb\u09b6\u09c7 \u09a8\u09c7\u0987)\u0964<\/td>\n<\/tr>\n
\u09aa\u09cd\u09b0\u0995\u09c3\u09a4\u09bf<\/td>\n\u098f\u099f\u09bf \u09b8\u099c\u09c0\u09ac, \u09aa\u09be\u09a4\u09b2\u09be \u0993 \u09b8\u09cd\u09a5\u09bf\u09a4\u09bf\u09b8\u09cd\u09a5\u09be\u09aa\u0995\u0964<\/td>\n\u098f\u099f\u09bf \u099c\u09dc, \u09aa\u09c1\u09b0\u09c1 \u0993 \u09a6\u09c3\u09dd \u09aa\u09cd\u09b0\u0995\u09c3\u09a4\u09bf\u09b0\u0964<\/td>\n<\/tr>\n
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FIRST SUMMATIVE EVALUATION CLASS 8 (VIII) WBBSE PORIBESH O BIGGYAN QUESTION PAPER Class 8 Poribesh O Biggyan First Unit Test Question Paper Set-2 wbbse | \u0985\u09b7\u09cd\u099f\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09b0 \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6 \u0993 \u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8 \u09aa\u09cd\u09b0\u09a5\u09ae \u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 \u09b8\u09c7\u099f-\u09e8 \ud83d\udccc\u0985\u09b7\u09cd\u099f\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 Click Here Set-2 \u09aa\u09cd\u09b0\u09a5\u09ae \u09aa\u09b0\u09cd\u09af\u09be\u09af\u09bc\u0995\u09cd\u09b0\u09ae\u09bf\u0995 \u09ae\u09c2\u09b2\u09cd\u09af\u09be\u09af\u09bc\u09a8 \u0985\u09b7\u09cd\u099f\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u09ac\u09bf\u09b7\u09af\u09bc : \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6 \u0993 \u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8 \u09aa\u09c2\u09b0\u09cd\u09a3\u09ae\u09be\u09a8 : … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[123],"tags":[],"class_list":["post-6149","post","type-post","status-publish","format-standard","hentry","category-123"],"_links":{"self":[{"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/posts\/6149","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/comments?post=6149"}],"version-history":[{"count":0,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/posts\/6149\/revisions"}],"wp:attachment":[{"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/media?parent=6149"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/categories?post=6149"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/tags?post=6149"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}