{"id":6078,"date":"2026-03-10T14:37:23","date_gmt":"2026-03-10T14:37:23","guid":{"rendered":"https:\/\/hazarnotes.com\/?p=6078"},"modified":"2026-03-10T14:37:23","modified_gmt":"2026-03-10T14:37:23","slug":"class-7-poribesh-o-biggan-first-unit-test-question-with-answer-set-1","status":"publish","type":"post","link":"https:\/\/hazarnotes.com\/mystaging01\/class-7-poribesh-o-biggan-first-unit-test-question-with-answer-set-1\/","title":{"rendered":"\u09b8\u09aa\u09cd\u09a4\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-\u09e7 | Class 7 Poribesh O Biggan First Unit Test Question with Answer Set-1 wbbse"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #800080;\"><strong>FIRST SUMMATIVE EVALUATION<br \/>\nCLASS 7 (VII) WBBSE<br \/>\nPORIBESH o BIGYAN QUESTION PAPER<\/strong><\/span><\/p>\n<h2 style=\"text-align: center;\"><span style=\"color: #ff0000;\">Set-1<\/span><\/h2>\n<p><strong>\u09b8\u09aa\u09cd\u09a4\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-\u09e7 | Class 7 Poribesh O Biggan First Unit Test Question with Answer Set-1 wbbse<\/strong><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #800080;\"><strong>\u09aa\u09be\u09a0\u09cd\u09af\u09b8\u09c2\u099a\u09bf \/ SYLLABUS \u0993 \u09a8\u09ae\u09cd\u09ac\u09b0 \u09ac\u09bf\u09ad\u09be\u099c\u09a8\u00a0<\/strong><\/span><\/p>\n<p><strong>1. \u09ad\u09cc\u09a4 \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6 \u09a4\u09be\u09aa<br \/>\n2. \u09aa\u09b0\u09ae\u09be\u09a3\u09c1, \u0985\u09a3\u09c1, \u09b0\u09be\u09b8\u09be\u09df\u09a8\u09bf\u0995 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09df\u09be<br \/>\n3. \u09ae\u09be\u09a8\u09c1\u09b7\u09c7\u09b0 \u0996\u09be\u09a6\u09cd\u09af<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-6079 size-full\" src=\"http:\/\/hazarnotes.com\/mystaging01\/wp-content\/uploads\/2026\/03\/7-Pori-1st-Marks.webp\" alt=\"\" width=\"976\" height=\"487\" srcset=\"https:\/\/hazarnotes.com\/mystaging01\/wp-content\/uploads\/2026\/03\/7-Pori-1st-Marks.webp 976w, https:\/\/hazarnotes.com\/mystaging01\/wp-content\/uploads\/2026\/03\/7-Pori-1st-Marks-300x150.webp 300w, https:\/\/hazarnotes.com\/mystaging01\/wp-content\/uploads\/2026\/03\/7-Pori-1st-Marks-768x383.webp 768w\" sizes=\"auto, (max-width: 976px) 100vw, 976px\" \/><\/p>\n<p style=\"text-align: center;\"><strong>\u09aa\u09cd\u09b0\u09a5\u09ae \u09aa\u09b0\u09cd\u09af\u09be\u09df\u0995\u09cd\u09b0\u09ae\u09bf\u0995 \u09ae\u09c2\u09b2\u09cd\u09af\u09be\u09df\u09a8 \u09e8\u09e6\u09e8\u09eb<br \/>\n\u09b8\u09aa\u09cd\u09a4\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf<br \/>\n\u09ac\u09bf\u09b7\u09df : \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6 \u0993 \u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8<br \/>\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 \u00a0 \u00a0\u09b8\u09ae\u09df : \u09e7 \u0998\u09a3\u09cd\u099f\u09be <\/strong><\/p>\n<h3 style=\"text-align: center;\"><span style=\"color: #800080;\">PHYSICAL SCIENCE (Marks : 20)<\/span><\/h3>\n<p><strong><span style=\"color: #ff0000;\">1. \u09b8\u09a0\u09bf\u0995 \u0989\u09a4\u09cd\u09a4\u09b0\u099f\u09bf \u09a8\u09bf\u09b0\u09cd\u09ac\u09be\u099a\u09a8 \u0995\u09b0\u09c7 \u09b2\u09c7\u0996\u09cb (\u09af\u09c7 \u0995\u09cb\u09a8\u09cb \u099a\u09be\u09b0\u099f\u09bf) : 1\u00d74=4<\/span><\/strong><\/p>\n<p>(i) \u0989\u09b7\u09cd\u09a3\u09a4\u09be \u09aa\u09b0\u09bf\u09ae\u09be\u09aa \u0995\u09b0\u09a4\u09c7 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09b9\u09df<br \/>\n(\u09ac\u09cd\u09af\u09be\u09b0\u09cb\u09ae\u09bf\u099f\u09be\u09b0 \/ \u09a5\u09be\u09ae\u09cb\u09ae\u09bf\u099f\u09be\u09b0 \/ \u09b9\u09c7\u0995\u09cd\u09b8\u09cb\u09ae\u09bf\u099f\u09be\u09b0 \/ \u0995\u09cb\u09a8\u09cb\u099f\u09bf\u0987 \u09a8\u09df)\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u09a5\u09be\u09ae\u09cb\u09ae\u09bf\u099f\u09be\u09b0\u0964<\/strong><\/p>\n<p>(ii) \u09a4\u09be\u09aa\u09c7\u09b0 SI \u098f\u0995\u0995 \u09b9\u09b2 (\u09b8\u09c7\u09b2\u09b8\u09bf\u09df\u09be\u09b8 \/ \u099c\u09c1\u09b2 \/ \u09ab\u09be\u09b0\u09c7\u09a8\u09b9\u09be\u0987\u099f \/ \u0995\u09cd\u09af\u09be\u09b2\u09cb\u09b0\u09bf)\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u099c\u09c1\u09b2\u0964<\/strong><\/p>\n<p>(iii) \u09a4\u09b0\u09b2 \u09a5\u09c7\u0995\u09c7 \u0995\u09a0\u09bf\u09a8\u09c7 \u09aa\u09b0\u09bf\u09a3\u09a4 \u09b9\u09a4\u09c7 \u09ac\u09b8\u09cd\u09a4\u09c1<br \/>\n(\u09a4\u09be\u09aa\u0997\u09cd\u09b0\u09b9\u09a3 \/ \u09a4\u09be\u09aa\u09ac\u09b0\u09cd\u099c\u09a8 \/ \u0989\u09b7\u09cd\u09a3\u09a4\u09be \u0997\u09cd\u09b0\u09b9\u09a3 \/ \u0989\u09b7\u09cd\u09a3\u09a4\u09be \u09ac\u09b0\u09cd\u099c\u09a8) \u0995\u09b0\u09c7\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u09a4\u09be\u09aa\u09ac\u09b0\u09cd\u099c\u09a8\u0964<\/strong><\/p>\n<p>(iv) \u09aa\u09b0\u09ae\u09be\u09a3\u09c1\u09b0 \u09a8\u09bf\u0989\u0995\u09cd\u09b2\u09bf\u09df\u09be\u09b8\u09c7 \u0985\u09ac\u09b8\u09cd\u09a5\u09bf\u09a4 \u09aa\u09cd\u09b0\u09cb\u099f\u09a8 \u09b8\u0982\u0996\u09cd\u09af\u09be\u0995\u09c7 \u09ac\u09b2\u09c7 (\u09aa\u09b0\u09ae\u09be\u09a3\u09c1 \u0995\u09cd\u09b0\u09ae\u09be\u0999\u09cd\u0995 \/ \u09aa\u09be\u09b0\u09ae\u09be\u09a3\u09ac\u09bf\u0995 \u09b8\u0982\u0996\u09cd\u09af\u09be \/ \u09aa\u09b0\u09ae\u09be\u09a3\u09c1 \u0995\u09cd\u09b0\u09ae\u09be\u0999\u09cd\u0995 \u0993 \u09aa\u09be\u09b0\u09ae\u09be\u09a3\u09ac\u09bf\u0995 \u09b8\u0982\u0996\u09cd\u09af\u09be \u0989\u09ad\u09df\u0987 \/ \u0995\u09cb\u09a8\u09cb\u099f\u09bf\u0987 \u09a8\u09df)\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u09aa\u09be\u09b0\u09ae\u09be\u09a3\u09ac\u09bf\u0995 \u09b8\u0982\u0996\u09cd\u09af\u09be\u0964<\/strong><\/p>\n<p>(v) \u0995\u09cb\u09a8\u09cb \u09b0\u09be\u09b8\u09be\u09df\u09a8\u09bf\u0995 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09df\u09be\u09df \u0989\u09ce\u09aa\u09a8\u09cd\u09a8 \u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u0995\u09c7 \u09ac\u09b2\u09c7 (\u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09df\u0995 \u09aa\u09a6\u09be\u09b0\u09cd\u09a5 \/ \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09df\u09be\u099c\u09be\u09a4 \u09aa\u09a6\u09be\u09b0\u09cd\u09a5 \/ \u09ac\u09bf\u0995\u09be\u09b0\u0995 \/ \u0995\u09cb\u09a8\u09cb\u099f\u09bf\u0987 \u09a8\u09df)\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09df\u09be\u099c\u09be\u09a4 \u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u0964<\/strong><\/p>\n<p>(vi) \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09a8\u09b6\u09c0\u09b2 \u09af\u09cb\u099c\u09cd\u09af\u09a4\u09be \u0986\u099b\u09c7 (\u09b8\u09cb\u09a1\u09bf\u09df\u09be\u09ae\u09c7\u09b0 \/ \u0995\u09cd\u09b2\u09cb\u09b0\u09bf\u09a8\u09c7\u09b0 \/ \u0995\u09aa\u09be\u09b0\u09c7\u09b0 \/ \u09aa\u099f\u09be\u09b6\u09bf\u09df\u09be\u09ae\u09c7\u09b0)\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0995\u09aa\u09be\u09b0\u09c7\u09b0\u0964<\/strong><\/p>\n<p><strong><span style=\"color: #ff0000;\">2. \u09b6\u09c2\u09a8\u09cd\u09af\u09b8\u09cd\u09a5\u09be\u09a8 \u09aa\u09c2\u09b0\u09a3 \u0995\u09b0 (\u09af\u09c7 \u0995\u09cb\u09a8\u09cb \u099a\u09be\u09b0\u099f\u09bf) : 1\u00d74=4<\/span><\/strong><\/p>\n<p>(i) 100\u00b0C-\u098f\u09b0 1 \u0997\u09cd\u09b0\u09be\u09ae \u099c\u09b2\u0995\u09c7 ________ \u09aa\u09b0\u09bf\u09ae\u09be\u09a3 \u09a4\u09be\u09aa \u09a6\u09bf\u09b2\u09c7 100\u00b0C -\u098f\u09b0 1 \u0997\u09cd\u09b0\u09be\u09ae \u09ac\u09be\u09b7\u09cd\u09aa\u09c7 \u09aa\u09b0\u09bf\u09a3\u09a4 \u09b9\u09df\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 540 \u0995\u09cd\u09af\u09be\u09b2\u09cb\u09b0\u09bf\u0964<\/strong><\/p>\n<p>(ii) \u09a6\u09c7\u09b9\u09c7\u09b0 \u09a4\u09be\u09aa\u09ae\u09be\u09a4\u09cd\u09b0\u09be \u09ac\u09c7\u09dc\u09c7 \u0997\u09c7\u09b2\u09c7 \u09ae\u09be\u09a8\u09c1\u09b7\u09c7\u09b0 __________ \u09ac\u09cd\u09af\u09be\u09b8 \u09ac\u09c7\u09dc\u09c7 \u09af\u09be\u09df\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u09b0\u0995\u09cd\u09a4\u09a8\u09be\u09b2\u09c0\u09b0<\/strong><\/p>\n<p>(iii) 0\u00b0C = _________ \u00b0F<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 32<\/strong><\/p>\n<p>(iv) \u098f\u0995\u099f\u09bf \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8\u09c7\u09b0 \u09ad\u09b0 \u098f\u0995\u099f\u09bf \u09aa\u09cd\u09b0\u09cb\u099f\u09a8\u09c7\u09b0 \u09ad\u09b0\u09c7\u09b0 __________ \u09ad\u09be\u0997\u09c7\u09b0 \u098f\u0995 \u09ad\u09be\u0997\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 1836<\/strong><\/p>\n<p>(v) \u09b8\u09cb\u09a1\u09bf\u09df\u09be\u09ae \u0995\u09cd\u09b2\u09cb\u09b0\u09be\u0987\u09a1\u0995\u09c7 ___________ \u09af\u09cc\u0997 \u09ac\u09b2\u09be \u09b9\u09df\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0986\u09af\u09bc\u09a8\u09bf\u0995\u0964<\/strong><\/p>\n<p>(vi) \u09aa\u099f\u09be\u09b6\u09bf\u09df\u09be\u09ae \u0995\u09cd\u09b2\u09cb\u09b0\u09be\u0987\u09a1\u09c7\u09b0 \u09b8\u0982\u0995\u09c7\u09a4 \u09b9\u09b2 __________\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 KCl<\/strong><\/p>\n<p><strong><span style=\"color: #ff0000;\">3. \u09a6\u09c1-\u098f\u0995 \u0995\u09a5\u09be\u09df \u0989\u09a4\u09cd\u09a4\u09b0 \u09a6\u09be\u0993 :- (\u09af\u09c7 \u0995\u09cb\u09a8\u09cb \u099a\u09be\u09b0\u099f\u09bf) : 1\u00d74=4<\/span><\/strong><\/p>\n<p>(i) \u09b8\u09c7\u09b2\u09b8\u09bf\u09df\u09be\u09b8 \u09b8\u09cd\u0995\u09c7\u09b2 \u0993 \u09ab\u09be\u09b0\u09c7\u09a8\u09b9\u09be\u0987\u099f \u09b8\u09cd\u0995\u09c7\u09b2\u09c7\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u09b8\u09ae\u09cd\u09aa\u09b0\u09cd\u0995\u099f\u09bf\u09b0 \u0997\u09be\u09a3\u09bf\u09a4\u09bf\u0995 \u09b0\u09c2\u09aa\u200c \u0995\u09c0 ?<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> `frac(C){5}`=`frac(F\u201332){9}`<\/p>\n<p>(ii) \u0989\u09b7\u09cd\u09a3\u09a4\u09be \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09a8 \u09a8\u09be \u0998\u099f\u09bf\u09df\u09c7 \u0985\u09ac\u09b8\u09cd\u09a5\u09be\u09b0 \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u0995\u09cb\u09a8\u09cd \u09a4\u09be\u09aa\u09c7\u09b0 \u09aa\u09cd\u09b0\u09df\u09cb\u099c\u09a8 ?<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u0989\u09b7\u09cd\u09a3\u09a4\u09be \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09a8 \u09a8\u09be \u0998\u099f\u09bf\u09df\u09c7 \u0985\u09ac\u09b8\u09cd\u09a5\u09be\u09b0 \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u09aa\u09cd\u09b0\u09df\u09cb\u099c\u09a8 \u09b2\u09c0\u09a8 \u09a4\u09be\u09aa \u09ac\u09be \u09b8\u09c1\u09aa\u09cd\u09a4 \u09a4\u09be\u09aa\u0964<\/p>\n<p>(iii) \u09b8\u09a4\u09cd\u09af \/ \u09ae\u09bf\u09a5\u09cd\u09af\u09be \u09b2\u09c7\u0996\u09cb : \u09a4\u09be\u09aa \u0995\u09cb\u09a8\u09cb \u09ac\u09b8\u09cd\u09a4\u09c1 \u09a8\u09df, \u09a4\u09be\u09aa \u09b9\u09b2 \u09b6\u0995\u09cd\u09a4\u09bf\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u09b8\u09a4\u09cd\u09af\u0964<\/strong><\/p>\n<p>(iv) CaCl\u2082 -\u098f \u0995\u09cd\u09af\u09be\u09b2\u09b6\u09bf\u09df\u09be\u09ae\u09c7\u09b0 \u09af\u09cb\u099c\u09cd\u09af\u09a4\u09be \u0995\u09a4 ?<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> CaCl\u2082 -\u098f \u0995\u09cd\u09af\u09be\u09b2\u09b6\u09bf\u09df\u09be\u09ae\u09c7\u09b0 \u09af\u09cb\u099c\u09cd\u09af\u09a4\u09be 2<\/p>\n<p>(v) \u09aa\u09b0\u09ae\u09be\u09a3\u09c1\u09b0 \u0995\u09c7\u09a8\u09cd\u09a6\u09cd\u09b0\u0995\u0995\u09c7 \u0995\u09c0 \u09ac\u09b2\u09c7?<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09aa\u09b0\u09ae\u09be\u09a3\u09c1\u09b0 \u0995\u09c7\u09a8\u09cd\u09a6\u09cd\u09b0\u0995\u0995\u09c7 \u09ac\u09b2\u09c7 \u09a8\u09bf\u0989\u0995\u09cd\u09b2\u09bf\u09df\u09be\u09b8\u0964<\/p>\n<p>(vi) CaCO\u2083 (\u09a4\u09be\u09aa) \u2192 CaO + CO\u2082 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09df\u09be\u099f\u09bf \u0995\u09c0 \u09a7\u09b0\u09a8\u09c7\u09b0 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09df\u09be ?<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> CaCO3 (\u09a4\u09be\u09aa)\u2192 CaO + CO\u2082 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09df\u09be\u099f\u09bf \u09ac\u09bf\u09df\u09cb\u099c\u09a8 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09df\u09be\u0964<\/p>\n<p><strong><span style=\"color: #ff0000;\">4. \u09a8\u09bf\u09ae\u09cd\u09a8\u09b2\u09bf\u0996\u09bf\u09a4 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u0997\u09c1\u09b2\u09bf\u09b0 \u0989\u09a4\u09cd\u09a4\u09b0 \u09a6\u09be\u0993 :- (\u09af\u09c7 \u0995\u09cb\u09a8\u09cb \u099a\u09be\u09b0\u099f\u09bf) : 2\u00d74=8<\/span><\/strong><\/p>\n<p><strong>(i) \u09a4\u09be\u09aa \u0993 \u0989\u09b7\u09cd\u09a3\u09a4\u09be\u09b0 \u09a6\u09c1\u099f\u09bf \u09aa\u09be\u09b0\u09cd\u09a5\u0995\u09cd\u09af \u09b2\u09c7\u0996\u0964<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09b8\u0982\u099c\u09cd\u099e\u09be: \u09a4\u09be\u09aa \u09b9\u09b2\u09cb \u098f\u0995 \u09aa\u09cd\u09b0\u0995\u09be\u09b0 \u09b6\u0995\u09cd\u09a4\u09bf \u09af\u09be \u0997\u09cd\u09b0\u09b9\u09a3 \u0995\u09b0\u09b2\u09c7 \u09ac\u09b8\u09cd\u09a4\u09c1 \u0989\u09a4\u09cd\u09a4\u09aa\u09cd\u09a4 \u09b9\u09df \u098f\u09ac\u0982 \u09ac\u09b0\u09cd\u099c\u09a8 \u0995\u09b0\u09b2\u09c7 \u09b6\u09c0\u09a4\u09b2 \u09b9\u09df\u0964 \u0985\u09a8\u09cd\u09af\u09a6\u09bf\u0995\u09c7, \u0989\u09b7\u09cd\u09a3\u09a4\u09be \u09b9\u09b2\u09cb \u09ac\u09b8\u09cd\u09a4\u09c1\u09b0 \u098f\u09ae\u09a8 \u098f\u0995 \u09a4\u09be\u09aa\u09c0\u09af\u09bc \u0985\u09ac\u09b8\u09cd\u09a5\u09be \u09af\u09be \u09a8\u09bf\u09b0\u09cd\u09a7\u09be\u09b0\u09a3 \u0995\u09b0\u09c7 \u0993\u0987 \u09ac\u09b8\u09cd\u09a4\u09c1\u099f\u09bf \u0985\u09a8\u09cd\u09af \u09ac\u09b8\u09cd\u09a4\u09c1\u0995\u09c7 \u09a4\u09be\u09aa \u09a6\u09c7\u09ac\u09c7 \u09a8\u09be\u0995\u09bf \u0985\u09a8\u09cd\u09af \u09ac\u09b8\u09cd\u09a4\u09c1 \u09a5\u09c7\u0995\u09c7 \u09a4\u09be\u09aa \u09a8\u09c7\u09ac\u09c7\u0964<\/p>\n<p>\u09aa\u09b0\u09bf\u09ae\u09be\u09aa\u0995 \u09af\u09a8\u09cd\u09a4\u09cd\u09b0: \u09a4\u09be\u09aa \u09aa\u09b0\u09bf\u09ae\u09be\u09aa \u0995\u09b0\u09be \u09b9\u09df \u0995\u09cd\u09af\u09be\u09b2\u09cb\u09b0\u09bf\u09ae\u09bf\u099f\u09be\u09b0 \u09af\u09a8\u09cd\u09a4\u09cd\u09b0\u09c7\u09b0 \u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af\u09c7, \u0986\u09b0 \u0989\u09b7\u09cd\u09a3\u09a4\u09be \u09aa\u09b0\u09bf\u09ae\u09be\u09aa \u0995\u09b0\u09be \u09b9\u09df \u09a5\u09be\u09b0\u09cd\u09ae\u09cb\u09ae\u09bf\u099f\u09be\u09b0 \u09a6\u09bf\u09df\u09c7\u0964<\/p>\n<p><strong>(ii) \u09ac\u09b8\u09cd\u09a4\u09c1\u09a6\u09cd\u09ac\u09be\u09b0\u09be \u0997\u09c3\u09b9\u09c0\u09a4 \u09ac\u09be \u09ac\u09b0\u09cd\u099c\u09bf\u09a4 \u09a4\u09be\u09aa \u0995\u09cb\u09a8\u09cd \u0995\u09cb\u09a8\u09cd \u09ac\u09bf\u09b7\u09df\u09c7\u09b0 \u0993\u09aa\u09b0 \u09a8\u09bf\u09b0\u09cd\u09ad\u09b0 \u0995\u09b0\u09c7 ?<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09ac\u09b8\u09cd\u09a4\u09c1 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u0997\u09c3\u09b9\u09c0\u09a4 \u09ac\u09be \u09ac\u09b0\u09cd\u099c\u09bf\u09a4 \u09a4\u09be\u09aa \u09aa\u09cd\u09b0\u09a7\u09be\u09a8\u09a4 \u09a4\u09bf\u09a8\u099f\u09bf \u09ac\u09bf\u09b7\u09df\u09c7\u09b0 \u0993\u09aa\u09b0 \u09a8\u09bf\u09b0\u09cd\u09ad\u09b0 \u0995\u09b0\u09c7:<br \/>\n\u09e7. \u09ac\u09b8\u09cd\u09a4\u09c1\u09b0 \u09ad\u09b0\u0964<br \/>\n\u09e8. \u09ac\u09b8\u09cd\u09a4\u09c1\u09b0 \u0989\u09aa\u09be\u09a6\u09be\u09a8\u09c7\u09b0 \u0986\u09aa\u09c7\u0995\u09cd\u09b7\u09bf\u0995 \u09a4\u09be\u09aa\u0964<br \/>\n\u09e9. \u09ac\u09b8\u09cd\u09a4\u09c1\u09b0 \u0989\u09b7\u09cd\u09a3\u09a4\u09be\u09b0 \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09a8 (\u0989\u09b7\u09cd\u09a3\u09a4\u09be \u0995\u09a4\u099f\u09be \u09ac\u09be\u09dc\u09b2 \u09ac\u09be \u0995\u09ae\u09b2)\u0964<\/p>\n<p><strong>(iii) \u099c\u09b2 \u09a6\u09bf\u09df\u09c7 \u0998\u09b0 \u09ae\u09cb\u099b\u09be\u09b0 \u09aa\u09b0 \u09ae\u09c7\u099d\u09c7 \u09a0\u09be\u09a8\u09cd\u09a1\u09be \u09b9\u09df \u0995\u09c7\u09a8 ?<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09ae\u09c7\u099d\u09c7 \u09ae\u09cb\u099b\u09be\u09b0 \u09aa\u09b0 \u099c\u09b2\u09c7\u09b0 \u09ac\u09be\u09b7\u09cd\u09aa\u09c0\u09ad\u09ac\u09a8 \u0998\u099f\u09c7\u0964 \u098f\u0987 \u09ac\u09be\u09b7\u09cd\u09aa\u09c0\u09ad\u09ac\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u09aa\u09cd\u09b0\u09df\u09cb\u099c\u09a8\u09c0\u09df \u09b2\u09c0\u09a8\u09a4\u09be\u09aa \u099c\u09b2 \u09ae\u09c7\u099d\u09c7 \u09a5\u09c7\u0995\u09c7 \u09b8\u0982\u0997\u09cd\u09b0\u09b9 \u0995\u09b0\u09c7\u0964 \u09ab\u09b2\u09c7 \u09ae\u09c7\u099d\u09c7\u09b0 \u09a4\u09be\u09aa \u0995\u09ae\u09c7 \u09af\u09be\u09df \u098f\u09ac\u0982 \u09ae\u09c7\u099d\u09c7 \u09a0\u09be\u09a8\u09cd\u09a1\u09be \u0985\u09a8\u09c1\u09ad\u09c2\u09a4 \u09b9\u09df\u0964<\/p>\n<p><strong>(iv) \u09ae\u09c2\u09b2\u0995 \u0995\u09be\u0995\u09c7 \u09ac\u09b2\u09c7 ? \u098f\u0995\u099f\u09bf \u0989\u09a6\u09be\u09b9\u09b0\u09a3 \u09a6\u09be\u0993 ?<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u098f\u0995\u09be\u09a7\u09bf\u0995 \u09ae\u09cc\u09b2\u09c7\u09b0 \u09aa\u09b0\u09ae\u09be\u09a3\u09c1 \u09af\u0996\u09a8 \u099c\u09cb\u099f\u09ac\u09a6\u09cd\u09a7 \u09b9\u09df\u09c7 \u098f\u0995\u099f\u09bf\u09ae\u09be\u09a4\u09cd\u09b0 \u09aa\u09b0\u09ae\u09be\u09a3\u09c1\u09b0 \u09ae\u09a4\u09cb \u0986\u099a\u09b0\u09a3 \u0995\u09b0\u09c7 \u098f\u09ac\u0982 \u09b0\u09be\u09b8\u09be\u09df\u09a8\u09bf\u0995 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09df\u09be\u09df \u0985\u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09bf\u09a4 \u09a5\u09be\u0995\u09c7, \u09a4\u0996\u09a8 \u09a4\u09be\u0995\u09c7 \u09ae\u09c2\u09b2\u0995 \u09ac\u09be \u09b0\u09c7\u09a1\u09bf\u0995\u09cd\u09af\u09be\u09b2 \u09ac\u09b2\u09c7\u0964<br \/>\n\u0989\u09a6\u09be\u09b9\u09b0\u09a3: \u09b8\u09be\u09b2\u09ab\u09c7\u099f \u09ae\u09c2\u09b2\u0995 \u09ac\u09be \u09a8\u09be\u0987\u099f\u09cd\u09b0\u09c7\u099f \u09ae\u09c2\u09b2\u0995\u0964<\/p>\n<p><strong>(v) \u099c\u09bf\u0999\u09cd\u0995 \u0985\u0995\u09cd\u09b8\u09be\u0987\u09a1-\u098f\u09b0 \u09b8\u0982\u0995\u09c7\u09a4 \u09a8\u09bf\u09b0\u09cd\u09a3\u09df \u0995\u09b0\u09cb\u0964 (Zn \u098f\u09b0 \u09af\u09cb\u099c\u09cd\u09af\u09a4\u09be 2, O-\u098f\u09b0 \u09af\u09cb\u099c\u09cd\u09af\u09a4\u09be 2)<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u099c\u09bf\u0999\u09cd\u0995\u09c7\u09b0 \u09af\u09cb\u099c\u09cd\u09af\u09a4\u09be \u09e8 \u098f\u09ac\u0982 \u0985\u0995\u09cd\u09b8\u09bf\u099c\u09c7\u09a8\u09c7\u09b0 \u09af\u09cb\u099c\u09cd\u09af\u09a4\u09be \u09e8, \u09b8\u0982\u0995\u09c7\u09a4 \u09b2\u09c7\u0996\u09be\u09b0 \u09b8\u09ae\u09df \u09af\u09cb\u099c\u09cd\u09af\u09a4\u09be \u09ac\u09bf\u09a8\u09bf\u09ae\u09df \u0995\u09b0\u09b2\u09c7 \u09b9\u09df Zn\u2082O\u2082<br \/>\n\u0964 \u09af\u09c7\u09b9\u09c7\u09a4\u09c1 \u0989\u09ad\u09df \u09af\u09cb\u099c\u09cd\u09af\u09a4\u09be \u09b8\u09ae\u09be\u09a8, \u09a4\u09be\u0987 \u09b8\u09b0\u09b2 \u0985\u09a8\u09c1\u09aa\u09be\u09a4 \u0995\u09b0\u09b2\u09c7 \u09b8\u0982\u0995\u09c7\u09a4\u099f\u09bf \u09a6\u09be\u0981\u09dc\u09be\u09df ZnO \u0964<\/p>\n<p><span style=\"color: #ff0000;\"><strong>5. \u09ae\u09cc\u09b2\u09c7\u09b0 \u09aa\u09b0\u09ae\u09be\u09a3\u09c1\u09b0 \u0997\u09a0\u09a8\u09c7\u09b0 \u099b\u09ac\u09bf \u09a6\u09c7\u0996\u09c7 \u09a8\u09bf\u09ae\u09cd\u09a8\u09b2\u09bf\u0996\u09bf\u09a4 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u0997\u09c1\u09b2\u09bf\u09b0 \u0989\u09a4\u09cd\u09a4\u09b0 \u09a6\u09be\u0993 : 1\u00d74=4<\/strong><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-6085 size-full\" src=\"http:\/\/hazarnotes.com\/mystaging01\/wp-content\/uploads\/2026\/03\/Class-7-Pori-1st-U.T-image.jpg\" alt=\"\" width=\"722\" height=\"292\" srcset=\"https:\/\/hazarnotes.com\/mystaging01\/wp-content\/uploads\/2026\/03\/Class-7-Pori-1st-U.T-image.jpg 722w, https:\/\/hazarnotes.com\/mystaging01\/wp-content\/uploads\/2026\/03\/Class-7-Pori-1st-U.T-image-300x121.jpg 300w\" sizes=\"auto, (max-width: 722px) 100vw, 722px\" \/><\/p>\n<p>(a) \u0995\u09be\u09b0\u09cd\u09ac\u09a8 \u09aa\u09b0\u09ae\u09be\u09a3\u09c1\u09b0 \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8 \u09b8\u0982\u0996\u09cd\u09af\u09be \u0995\u09a4 ?<\/p>\n<p>(b) \u0995\u09be\u09b0\u09cd\u09ac\u09a8 \u09aa\u09b0\u09ae\u09be\u09a3\u09c1\u09b0 \u09ad\u09b0\u09b8\u0982\u0996\u09cd\u09af\u09be \u0995\u09a4 ?<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09aa\u09cd\u09b0\u09a6\u09a4\u09cd\u09a4 \u09a4\u09a5\u09cd\u09af (\u099b\u09ac\u09bf \u09a5\u09c7\u0995\u09c7)\u2014<\/p>\n<p>\u09aa\u09cd\u09b0\u09cb\u099f\u09a8 \u09b8\u0982\u0996\u09cd\u09af\u09be (p) = 6<\/p>\n<p>\u09a8\u09bf\u0989\u099f\u09cd\u09b0\u09a8 \u09b8\u0982\u0996\u09cd\u09af\u09be (n) = 6<\/p>\n<p>\u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8 \u09ac\u09bf\u09a8\u09cd\u09af\u09be\u09b8: \u09aa\u09cd\u09b0\u09a5\u09ae \u0995\u0995\u09cd\u09b7\u09c7 2\u099f\u09bf \u098f\u09ac\u0982 \u09a6\u09cd\u09ac\u09bf\u09a4\u09c0\u09df \u0995\u0995\u09cd\u09b7\u09c7 4\u099f\u09bf\u0964<\/p>\n<p>(a) \u0995\u09be\u09b0\u09cd\u09ac\u09a8 \u09aa\u09b0\u09ae\u09be\u09a3\u09c1\u09b0 \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8 \u09b8\u0982\u0996\u09cd\u09af\u09be \u0995\u09a4 ?<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u0995\u09be\u09b0\u09cd\u09ac\u09a8 \u09aa\u09b0\u09ae\u09be\u09a3\u09c1\u09b0 \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09b9\u09b2\u09cb 6<\/p>\n<p>(b) \u0995\u09be\u09b0\u09cd\u09ac\u09a8 \u09aa\u09b0\u09ae\u09be\u09a3\u09c1\u09b0 \u09ad\u09b0\u09b8\u0982\u0996\u09cd\u09af\u09be \u0995\u09a4 ?<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0:<\/strong> \u0995\u09be\u09b0\u09cd\u09ac\u09a8 \u09aa\u09b0\u09ae\u09be\u09a3\u09c1\u09b0 \u09ad\u09b0\u09b8\u0982\u0996\u09cd\u09af\u09be \u09b9\u09b2\u09cb 12<\/p>\n<h3 style=\"text-align: center;\"><span style=\"color: #800080;\">LIFE SCIENCE (Marks : 10)<\/span><\/h3>\n<p><strong><span style=\"color: #ff0000;\">6. \u09b8\u09a0\u09bf\u0995 \u0989\u09a4\u09cd\u09a4\u09b0\u099f\u09bf \u09a8\u09bf\u09b0\u09cd\u09ac\u09be\u099a\u09a8 \u0995\u09b0\u09c7 \u09b2\u09c7\u0996\u09cb : (\u09af\u09c7 \u0995\u09cb\u09a8\u09cb \u099a\u09be\u09b0\u099f\u09bf) : 1\u00d74=4<\/span><\/strong><\/p>\n<p>(i) \u099f\u09cd\u09af\u09be\u09b0\u09be \u099a\u09cb\u0996 (\u0986\u09df\u09b0\u09a8 \/ \u0986\u09df\u09cb\u09a1\u09bf\u09a8 \/ \u099c\u09bf\u0999\u09cd\u0995 \/ \u09ab\u09b8\u09ab\u09b0\u09be\u09b8) \u0996\u09a8\u09bf\u099c \u09ae\u09cc\u09b2\u09c7\u09b0 \u0985\u09ad\u09be\u09ac\u09c7 \u09b9\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0986\u09df\u09cb\u09a1\u09bf\u09a8\u0964<\/strong><\/p>\n<p>(ii) \u09ae\u09be\u09b6\u09b0\u09c1\u09ae-\u098f \u09af\u09c7 \u0996\u09be\u09a6\u09cd\u09af \u0989\u09aa\u09be\u09a6\u09be\u09a8\u099f\u09bf \u09ac\u09c7\u09b6\u09c0 \u09aa\u09b0\u09bf\u09ae\u09be\u09a3\u09c7 \u09a5\u09be\u0995\u09c7 &#8211; (\u09b6\u09b0\u09cd\u0995\u09b0\u09be \/ \u09aa\u09cd\u09b0\u09cb\u099f\u09bf\u09a8 \/ \u09b2\u09bf\u09aa\u09bf\u09a1 \/ \u09ad\u09bf\u099f\u09be\u09ae\u09bf\u09a8)\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u09aa\u09cd\u09b0\u09cb\u099f\u09bf\u09a8\u0964<\/strong><\/p>\n<p>(iii) \u0995\u09cb\u09a8\u099f\u09bf \u09aa\u09cd\u09b0\u0995\u09cd\u09b0\u09bf\u09df\u09be\u099c\u09be\u09a4 \u0996\u09be\u09a6\u09cd\u09af ? &#8211; (\u0995\u09be\u0981\u099a\u09be \u09a1\u09bf\u09ae \/ \u0986\u0987\u09b8\u0995\u09cd\u09b0\u09bf\u09ae \/ \u09b0\u09be\u09a8\u09cd\u09a8\u09be \u0995\u09b0\u09be \u09ae\u09be\u0982\u09b8 \/ \u09b2\u099c\u09c7\u09a8\u09cd\u09b8)\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u09b2\u099c\u09c7\u09a8\u09cd\u09b8\u0964<\/strong><\/p>\n<p>(iv) \u0997\u09be\u099b\u09c7\u09b0 \u0996\u09be\u09ac\u09be\u09b0 \u09a4\u09c8\u09b0\u09c0 \u0995\u09b0\u09a4\u09c7 \u0995\u09cb\u09a8\u09cd \u0989\u09aa\u09be\u09a6\u09be\u09a8\u099f\u09bf \u09b2\u09be\u0997\u09c7 \u09a8\u09be ? (\u0985\u0995\u09cd\u09b8\u09bf\u099c\u09c7\u09a8 \/ \u0995\u09be\u09b0\u09cd\u09ac\u09a8-\u09a1\u09be\u0987-\u0985\u0995\u09cd\u09b8\u09be\u0987\u09a1 \/ \u09b8\u09ac\u09c1\u099c \u0997\u09be\u099b\u09c7\u09b0 \u0995\u09cd\u09b2\u09cb\u09b0\u09cb\u09ab\u09bf\u09b2 \u0995\u09a3\u09be \/ \u099c\u09b2)\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0985\u0995\u09cd\u09b8\u09bf\u099c\u09c7\u09a8\u0964<\/strong><\/p>\n<p>(v) \u0995\u09cb\u09a8\u09cd \u09ad\u09bf\u099f\u09be\u09ae\u09bf\u09a8 \u09a6\u09be\u0981\u09a4\u09c7\u09b0 \u0997\u09a0\u09a8 \u09b8\u09cd\u09ac\u09be\u09ad\u09be\u09ac\u09bf\u0995 \u09b0\u09be\u0996\u09c7 ? &#8211; (\u09ad\u09bf\u099f\u09be\u09ae\u09bf\u09a8-A \/ \u09ad\u09bf\u099f\u09be\u09ae\u09bf\u09a8-D \/ \u09ad\u09bf\u099f\u09be\u09ae\u09bf\u09a8-E \/ \u09ad\u09bf\u099f\u09be\u09ae\u09bf\u09a8-K)\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u09ad\u09bf\u099f\u09be\u09ae\u09bf\u09a8-D<\/strong><\/p>\n<p>(vi) \u099a\u09c1\u09b2\u09c7 \u09af\u09c7 \u09aa\u09cd\u09b0\u09cb\u099f\u09bf\u09a8 \u09a5\u09be\u0995\u09c7 \u09a4\u09be \u09b9\u09b2 (\u0995\u09c7\u09b0\u09be\u099f\u09bf\u09a8 \/ \u0985\u09cd\u09af\u09be\u0995\u099f\u09bf\u09a8 \/ \u09ab\u09be\u0987\u09ac\u09cd\u09b0\u09bf\u09a8\u09cb\u099c\u09c7\u09a8 \/ \u0995\u09cb\u09b2\u09be\u099c\u09c7\u09a8)\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0995\u09c7\u09b0\u09be\u099f\u09bf\u09a8\u0964<\/strong><\/p>\n<p><strong><span style=\"color: #ff0000;\">7. \u09a8\u09c0\u099a\u09c7\u09b0 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u0997\u09c1\u09b2\u09bf\u09b0 \u09a6\u09c1-\u098f\u0995 \u0995\u09a5\u09be\u09df \u0989\u09a4\u09cd\u09a4\u09b0 \u09a6\u09be\u0993 (\u09af\u09c7 \u0995\u09cb\u09a8\u09cb \u09a6\u09c1\u099f\u09bf) : 1\u00d72=2<\/span><\/strong><\/p>\n<p>(i) \u09b6\u09cd\u09ac\u09c7\u09a4\u09b8\u09be\u09b0 \u09b9\u099c\u09ae \u09b9\u09ac\u09be\u09b0\u09aa\u09b0 \u09af\u09c7 \u09b8\u09b0\u09b2\u09a4\u09ae \u0985\u09a3\u09c1\u09a4\u09c7 \u09aa\u09b0\u09bf\u09a3\u09a4 \u09b9\u09df \u09a4\u09be\u0995\u09c7 \u0995\u09c0 \u09ac\u09b2\u09c7 ?<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09b6\u09cd\u09ac\u09c7\u09a4\u09b8\u09be\u09b0 \u09ac\u09be \u09b8\u09cd\u099f\u09be\u09b0\u09cd\u099a \u09b9\u099c\u09ae \u09b9\u0993\u09df\u09be\u09b0 \u09aa\u09b0 \u0997\u09cd\u09b2\u09c1\u0995\u09cb\u099c-\u098f \u09aa\u09b0\u09bf\u09a3\u09a4 \u09b9\u09df\u0964<\/p>\n<p>(ii) \u09b6\u09b0\u09c0\u09b0\u09c7 \u0985\u09a4\u09bf\u09b0\u09bf\u0995\u09cd\u09a4 \u09b2\u09bf\u09aa\u09bf\u09a1 \u099c\u09ae\u09be \u09b9\u09b2\u09c7 \u0995\u09c0 \u09b9\u09df ?<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09b6\u09b0\u09c0\u09b0\u09c7 \u0985\u09a4\u09bf\u09b0\u09bf\u0995\u09cd\u09a4 \u09b2\u09bf\u09aa\u09bf\u09a1 \u09ac\u09be \u099a\u09b0\u09cd\u09ac\u09bf \u099c\u09ae\u09be \u09b9\u09b2\u09c7 \u09b8\u09cd\u09a5\u09c2\u09b2\u09a4\u09cd\u09ac \u09ac\u09be \u09ae\u09c7\u09a6 \u09ac\u09c3\u09a6\u09cd\u09a7\u09bf \u09aa\u09be\u09df \u098f\u09ac\u0982 \u09b9\u09c3\u09a6\u09b0\u09cb\u0997 \u0993 \u09b0\u0995\u09cd\u09a4\u099a\u09be\u09aa\u09c7\u09b0 \u09b8\u09ae\u09b8\u09cd\u09af\u09be \u09b9\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964<\/p>\n<p>(iii) \u09ad\u09bf\u099f\u09be\u09ae\u09bf\u09a8-B \u0995\u09ae\u09aa\u09cd\u09b2\u09c7\u0995\u09cd\u09b8 \u098f\u09b0 \u098f\u0995\u099f\u09bf \u0989\u09ce\u09b8 \u09b2\u09c7\u0996\u09cb\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09ad\u09bf\u099f\u09be\u09ae\u09bf\u09a8-B \u0995\u09ae\u09aa\u09cd\u09b2\u09c7\u0995\u09cd\u09b8\u09c7\u09b0 \u098f\u0995\u099f\u09bf \u09aa\u09cd\u09b0\u09a7\u09be\u09a8 \u0989\u09ce\u09b8 \u09b9\u09b2\u09cb \u09a2\u09c7\u0981\u0995\u09bf \u099b\u09be\u0981\u099f\u09be \u099a\u09be\u09b2 \u09ac\u09be \u09a6\u09c1\u09a7\u0964<\/p>\n<p>(iv) \u098f\u0995\u099f\u09bf \u09b2\u09bf\u09aa\u09bf\u09a1\u09af\u09c1\u0995\u09cd\u09a4 \u0996\u09be\u09a6\u09cd\u09af\u09c7\u09b0 \u0989\u09a6\u09be\u09b9\u09b0\u09a3 \u09a6\u09be\u0993\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u0998\u09bf \u09ac\u09be \u09ae\u09be\u0996\u09a8\u0964<\/p>\n<p><span style=\"color: #ff0000;\"><strong>8. \u09a8\u09c0\u099a\u09c7\u09b0 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u0997\u09c1\u09b2\u09bf\u09b0 \u09b8\u0982\u0995\u09cd\u09b7\u09bf\u09aa\u09cd\u09a4 \u0989\u09a4\u09cd\u09a4\u09b0 \u09a6\u09be\u0993 (\u09af\u09c7 \u0995\u09cb\u09a8\u09cb \u09a6\u09c1\u099f\u09bf) : 2\u00d72=4<\/strong><\/span><\/p>\n<p>(i) \u09b8\u0982\u09b6\u09cd\u09b2\u09c7\u09b7\u09bf\u09a4 \u0996\u09be\u09a6\u09cd\u09af\u09c7\u09b0 \u09a6\u09c1\u099f\u09bf \u09ac\u09c8\u09b6\u09bf\u09b7\u09cd\u099f\u09cd\u09af \u09b2\u09c7\u0996\u09cb\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09e7. \u098f\u0987 \u0996\u09be\u09a6\u09cd\u09af\u09c7 \u0995\u09c3\u09a4\u09cd\u09b0\u09bf\u09ae \u09b0\u0982, \u09b8\u09cd\u09ac\u09be\u09a6 \u098f\u09ac\u0982 \u0997\u09a8\u09cd\u09a7 \u09ae\u09c7\u09b6\u09be\u09a8\u09cb \u09a5\u09be\u0995\u09c7\u0964<\/p>\n<p>\u09e8. \u098f\u0997\u09c1\u09b2\u09bf \u09a6\u09c0\u09b0\u09cd\u0998\u0995\u09cd\u09b7\u09a3 \u09ad\u09be\u09b2\u09cb \u09b0\u09be\u0996\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u09a8\u09be\u09a8\u09be\u09b0\u0995\u09ae \u09b0\u09be\u09b8\u09be\u09df\u09a8\u09bf\u0995 \u09aa\u09a6\u09be\u09b0\u09cd\u09a5 \u09ac\u09be \u09aa\u09cd\u09b0\u09bf\u099c\u09be\u09b0\u09ad\u09c7\u099f\u09bf\u09ad\u09b8\u09cd (Preservatives) \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09b9\u09df\u0964<\/p>\n<p>(ii) \u09a6\u09c1\u099f\u09bf \u0989\u09a6\u09cd\u09ad\u09bf\u099c\u09cd\u099c \u09aa\u09cd\u09b0\u09cb\u099f\u09bf\u09a8 \u099c\u09be\u09a4\u09c0\u09df \u0996\u09be\u09a6\u09cd\u09af\u09c7\u09b0 \u0989\u09a6\u09be\u09b9\u09b0\u09a3 \u09a6\u09be\u0993\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09b8\u09df\u09be\u09ac\u09bf\u09a8 \u098f\u09ac\u0982 \u09a1\u09be\u09b2 (\u09af\u09c7\u09ae\u09a8- \u09ae\u09c1\u0997 \u09ac\u09be \u09ae\u09c1\u09b8\u09c1\u09b0 \u09a1\u09be\u09b2)\u0964<\/p>\n<p>(iii) \u099c\u09b2\u09c7\u09b0 \u09a6\u09c1\u099f\u09bf \u09aa\u09cd\u09b0\u09be\u0995\u09c3\u09a4\u09bf\u0995 \u0989\u09ce\u09b8\u09c7\u09b0 \u09a8\u09be\u09ae \u09b2\u09c7\u0996\u09cb\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09a8\u09a6\u09c0 \u098f\u09ac\u0982 \u09ac\u09c3\u09b7\u09cd\u099f\u09bf\u09b0 \u099c\u09b2\u0964<\/p>\n<p>(iv) \u09a4\u09cd\u09ac\u0995 \u0993 \u09ae\u09c1\u0996\u09ac\u09bf\u09ac\u09b0\u09c7 \u099c\u09b2 \u0995\u09c0 \u0995\u09c0 \u09b9\u09bf\u09b8\u09be\u09ac\u09c7 \u09a5\u09be\u0995\u09c7 ?<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09a4\u09cd\u09ac\u0995\u09c7 \u099c\u09b2 \u0998\u09be\u09ae \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7 \u098f\u09ac\u0982 \u09ae\u09c1\u0996\u09ac\u09bf\u09ac\u09b0\u09c7 \u09b2\u09be\u09b2\u09be\u09b0\u09b8 \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7 \u09a5\u09be\u0995\u09c7\u0964<\/p>\n<p><span style=\"color: #800080;\"><strong>\ud83d\udccc\u0986\u09b0\u0993 \u09a6\u09c7\u0996\u09cb\u0983<\/strong><\/span><\/p>\n<p><strong>\ud83d\udccc\u09b8\u09aa\u09cd\u09a4\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf <span style=\"color: #ff0000;\">\u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f<\/span> \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 <a href=\"http:\/\/hazarnotes.com\/mystaging01\/class-7-question-papers-all-subject-wbbse\/\">Click Here<\/a><\/strong><\/p>\n<p><strong>\ud83d\udccc \u09b8\u09aa\u09cd\u09a4\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf <span style=\"color: #ff0000;\">\u09ad\u09c2\u0997\u09cb\u09b2<\/span> \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09cb\u09a4\u09cd\u09a4\u09b0 <a href=\"http:\/\/hazarnotes.com\/mystaging01\/class-7-geography-question-answer-wbbse\/\">Click Here<\/a><\/strong><\/p>\n<p><span style=\"color: #800080;\"><strong>\ud83d\udccc \u0985\u09a8\u09cd\u09af\u09be\u09a8\u09cd\u09af \u09ac\u09bf\u09b7\u09af\u09bc\u09c7\u09b0 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09cb\u09a4\u09cd\u09a4\u09b0\u0983<\/strong><\/span><\/p>\n<p><strong>\ud83d\udccc \u09b8\u09aa\u09cd\u09a4\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf <span style=\"color: #ff0000;\">\u09ac\u09be\u0982\u09b2\u09be<\/span> \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09cb\u09a4\u09cd\u09a4\u09b0 <a href=\"http:\/\/hazarnotes.com\/mystaging01\/class-7-bengali-textbook-solution-wbbse\/\">Click Here<\/a><\/strong><\/p>\n<p><strong>\ud83d\udccc \u09b8\u09aa\u09cd\u09a4\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf <span style=\"color: #ff0000;\">\u0987\u0982\u09b0\u09c7\u099c\u09bf<\/span> \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09cb\u09a4\u09cd\u09a4\u09b0 <a href=\"http:\/\/hazarnotes.com\/mystaging01\/class-7-english-textbook-solution-wbbse\/\">Click Here<\/a><\/strong><\/p>\n<p><strong>\ud83d\udccc \u09b8\u09aa\u09cd\u09a4\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf <span style=\"color: #ff0000;\">\u0987\u09a4\u09bf\u09b9\u09be\u09b8<\/span> \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09cb\u09a4\u09cd\u09a4\u09b0 <a href=\"http:\/\/hazarnotes.com\/mystaging01\/class-7-history-text-book-solution-wbbse\/\">Click Here<\/a><\/strong><\/p>\n<p><strong>\ud83d\udccc \u09b8\u09aa\u09cd\u09a4\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf <span style=\"color: #ff0000;\">\u09ad\u09c2\u0997\u09cb\u09b2<\/span> \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09cb\u09a4\u09cd\u09a4\u09b0 <a href=\"http:\/\/hazarnotes.com\/mystaging01\/class-7-geography-question-answer-wbbse\/\">Click Here<\/a><\/strong><\/p>\n<p><strong>\ud83d\udccc \u09b8\u09aa\u09cd\u09a4\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf <span style=\"color: #ff0000;\">\u0997\u09a3\u09bf\u09a4<\/span> \u09b8\u09ae\u09be\u09a7\u09be\u09a8 <a href=\"http:\/\/hazarnotes.com\/mystaging01\/class-7-math-solution-ganit-prabha-wbbse\/\">Click Here<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>FIRST SUMMATIVE EVALUATION CLASS 7 (VII) WBBSE PORIBESH o BIGYAN QUESTION PAPER Set-1 \u09b8\u09aa\u09cd\u09a4\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-\u09e7 | Class 7 Poribesh O Biggan First Unit Test Question with Answer Set-1 wbbse \u09aa\u09be\u09a0\u09cd\u09af\u09b8\u09c2\u099a\u09bf \/ SYLLABUS \u0993 \u09a8\u09ae\u09cd\u09ac\u09b0 \u09ac\u09bf\u09ad\u09be\u099c\u09a8\u00a0 1. \u09ad\u09cc\u09a4 \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6 \u09a4\u09be\u09aa 2. \u09aa\u09b0\u09ae\u09be\u09a3\u09c1, \u0985\u09a3\u09c1, \u09b0\u09be\u09b8\u09be\u09df\u09a8\u09bf\u0995 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09df\u09be 3. \u09ae\u09be\u09a8\u09c1\u09b7\u09c7\u09b0 \u0996\u09be\u09a6\u09cd\u09af &#8230; <a title=\"\u09b8\u09aa\u09cd\u09a4\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-\u09e7 | Class 7 Poribesh O Biggan First Unit Test Question with Answer Set-1 wbbse\" class=\"read-more\" href=\"https:\/\/hazarnotes.com\/mystaging01\/class-7-poribesh-o-biggan-first-unit-test-question-with-answer-set-1\/\" aria-label=\"Read more about \u09b8\u09aa\u09cd\u09a4\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-\u09e7 | Class 7 Poribesh O Biggan First Unit Test Question with Answer Set-1 wbbse\">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":[124],"tags":[],"class_list":["post-6078","post","type-post","status-publish","format-standard","hentry","category-124"],"_links":{"self":[{"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/posts\/6078","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=6078"}],"version-history":[{"count":0,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/posts\/6078\/revisions"}],"wp:attachment":[{"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/media?parent=6078"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/categories?post=6078"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/tags?post=6078"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}