TBSE Class 12 Model Question Paper 2021 Biology
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About TBSE Class 12 Model Question Paper 2021 Biology
TBSE Class 12 Model Question Paper 2021 Biology is available here for free download. Published by Tripura Board for Class 12, this sample paper can be viewed online or downloaded as a PDF (4 pages). Candidates preparing for Class 12 can use TBSE Class 12 Model Question Paper 2021 Biology to understand the exam pattern, the type of questions asked, and the overall difficulty level.
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TBSE Class 12 Model Question Paper 2021 Biology – Text
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Page 1
!Ó˲yàÈüÈܲ ≤Ã!ï˛!ê˛ ≤Èϟ¿Ó˚ Ùyl 1 1x20=20
1ä xÈüȧ§ƒ° Ó#ç ܲ# ⁄
2ä ¢)lƒfiÌyl ˛õ)Ó˚î ܲÓ˚ / ˛õ%Ó˚%£Ï G flf# çll ˆÜ˛y¢à%!° •° ûûûû 啃y≤’ˆÏÎ˚í˛‡!í˛≤’ˆÏÎ˚í˛ä
3ä ˆÎÔl §Ç§ˆÏà≈Ó˚ ÙyôƒˆÏÙ Óy!•ï˛ §Ó ˆÓ˚yà•z !lÓ˚yÙÎ˚ˆÏÎyàƒ å•Ñƒy‡lyä–
4ä flõy!Ù≈ˆÏÎ˚¢l ܲ#⁄
ˆÜ˛yˆÏ°yfiê˛∆yÙ Ü˛#⁄
5ä ≤ÃyÓ˚!Ω˛Ü˛ ˆÓàí˛l Ó°ˆÏï˛ Ü˛# ˆÓyV˛⁄
6ä ~ܲ!ê˛ !mï˛sf# DNAˆï˛ Î!ò 562!ê˛ §y•zˆÏê˛y!§l ÌyˆÏܲ ï˛ˆÏÓ DNA ï˛sf#!ê˛ˆÏï˛ à%Î˚y!ll ~Ó˚ §Çáƒy !lî≈Î˚ ܲÓ˚–
7ä ≤Ãò_ ܲ§à%!°Ó˚ ÙˆÏôƒ ˆÜ˛yl!ê˛ ˆê˛fiê˛ÈüÈܲ§⁄ å§!ë˛Ü˛ í˛z_Ó˚!ê˛ ˆ°ˆÏáyä
ܲä WW X ww áä Ww X Ww àä Ww X ww âä ww X ww
!lˆÏ¡¨y=˛à%!°Ó˚ ÙˆÏôƒ ˆÜ˛yl!ê˛ !°Çà§ÇˆÏÎy!çï˛ ≤ÃFSÈߨ !çlâ!ê˛ï˛ ÓÇ¢àï˛ ˆÓ˚yà⁄ å§!ë˛Ü˛!ê˛ ˆ°ˆÏáyä
ܲä !•ˆÏÙy!Ê˛!°Î˚y åáä ̃y°yˆÏ§!ÙÎ˚y åàä !§Ü˛° ˆ§° xƒy!l!ÙÎ˚y åâä !Ê˛ly!° !ܲˆÏê˛y°%!Ó˚Î˚y–
8ä ôyˆÏlÓ˚ ç!ÙˆÏï˛ í˛z˛õ!fiÌï˛ §yÎ˚yˆÏly Óƒy܉˛!ê˛!Ó˚Î˚y §y•yˆÏ΃ ܲˆÏÓ˚ ûûûû ~Ó˚ §ÇÓrôˆÏl–
å§!ë˛Ü˛!ê˛ ÓySÈy•z ܲˆÏÓ˚ ¢)lƒfiÌyl ˛õ)Ó˚î ܲÓ˚–
ܲä Cu áä Zn àä N2˛ âä Mg
9ä PCR ˛õÂô!ï˛ˆÏï˛ !lˆÏ¡¨y=˛à%!°Ó˚ ˆÜ˛yl‰!ê˛ §ÇˆÏŸ’!£Ïï˛ •Î˚⁄ å§!ë˛Ü˛ í˛z_Ó˚!ê˛ ˆ°ˆÏáyä
ܲä DNA áä ˆ≤Ãy!ê˛l àä ܲyˆÏÓ≈y •y•zˆÏí»˛ê˛ âä RNA
10ä ç#Óyî%§yÓ˚ ~Ó˚ §ÇK˛y òyG–
11ä xAà ≤Ã!ï˛fiÌy˛õˆÏlÓ˚ ˆ«˛ˆÏe ê˛∆y•zˆÏܲyí˛yÙ≈yÓ˚ ÓƒÓ•yÓ˚ í˛zˆÏÕ‘á ܲÓ˚–
12ä A ~ÓÇ B ò%!ê˛ çˆÏ°Ó˚ lÙ%lyÎ˚ BOD ÎÌyܲˆÏÙ 120mg/L ~ÓÇ 400mg/L •ˆÏ° ˆÜ˛yl‰ lÙ%ly!ê˛ x!ôܲ ò)!£Ïï˛ ˆ°ˆÏáy–
13ä fløƒyܲ (Smack) ~Ó˚ í˛zͧ í˛zˆÏÕ‘á ܲÓ˚–
14ä xyî!Óܲ ÜÑ˛y!ã˛Ó˚ lyÙ ˆ°ˆÏáy–
15ä Taq-˛õ!°ÙyˆÏÓ˚ç ˆÜ˛yl‰ Óƒy܉˛ˆÏê˛!Ó˚Î˚y ˆÌˆÏܲ §Ç@˝Ã• ܲÓ˚y •Î˚⁄
16ä ˆçˆÏl!ê˛Ü˛ •z!O!lÎ˚y!Ó˚Ç Ü˛# ⁄
17ä ALISA ~Ó˚ ˛õ%ˆÏÓ˚y lyÙ ˆ°ˆÏáy–
18ä !lÙ!Iï˛ ˛õeÓ˚rô ˆÜ˛yl í˛z!qˆÏò ˆòáy ÎyÎ˚⁄
19ä §¡õò í˛zͧ x˛õ!Ó˚§#Ù •ˆÏ° ˛õ˛õ%ˆÏ°¢l Ó,!ÂôÓ˚ Ó˚)˛õ !ܲ •ˆÏÓ⁄
20ä ˆã˛y£Ïܲ ÙySÈ G •y.ˆÏÓ˚Ó˚ §•yÓfiÌyl ç!lï˛ !ÙÌ!fl;Î˚yÓ˚ lyÙ ˆ°ˆÏáy–
!Ó˲yàÈüÈá ≤Ã!ï˛!ê˛ ≤Èϟ¿Ó˚ ÙylÈüÈ2 2x8=16
!l¡¨!°!áï˛ ≤ß¿à%!°Ó˚ §Ç!«˛Æ í˛z_Ó˚ òyG 2x8=16
21ä !°ÇˆÏܲç G !Ó˚ܲ!¡∫ˆÏl¢ˆÏlÓ˚ §ÇK˛y ˆ°ˆÏáy–
22ä DNAÈüÈ ≤Ã!ï˛!°!˛õܲÓ˚î xô≈§ÇÓ˚«˛î¢#° Ó°ˆÏï˛ Ü˛# ˆÓyV˛⁄
23ä §§ƒ ܲ# ⁄ ly!Ó˚ˆÏܲˆÏ°Ó˚ ç° ˆÜ˛yl‰ ôÓ˚ˆÏlÓ˚ ¢§ƒ–
•zÙ‰ˆÏ≤’rê˛§ (Implants) ܲ#⁄ ZIFT ~Ó˚ ˛õ%ˆÏÓ˚y lyÙ ˆ°ˆÏáy–
24ä Withdrawal Syndrome- Ó°ˆÏï˛ Ü˛# ˆÏÓyV˛⁄
25ä §!ܲÎ˚ ~ÓÇ !l!‹;˛Î˚ xîyÜ˛Ùƒï˛yÓ˚ 2!ê˛ ˛õyÌ≈ܲƒ !°á–
1ä xÈüȧ§ƒ° Ó#ç ܲ# ⁄
2ä ¢)lƒfiÌyl ˛õ)Ó˚î ܲÓ˚ / ˛õ%Ó˚%£Ï G flf# çll ˆÜ˛y¢à%!° •° ûûûû 啃y≤’ˆÏÎ˚í˛‡!í˛≤’ˆÏÎ˚í˛ä
3ä ˆÎÔl §Ç§ˆÏà≈Ó˚ ÙyôƒˆÏÙ Óy!•ï˛ §Ó ˆÓ˚yà•z !lÓ˚yÙÎ˚ˆÏÎyàƒ å•Ñƒy‡lyä–
4ä flõy!Ù≈ˆÏÎ˚¢l ܲ#⁄
ˆÜ˛yˆÏ°yfiê˛∆yÙ Ü˛#⁄
5ä ≤ÃyÓ˚!Ω˛Ü˛ ˆÓàí˛l Ó°ˆÏï˛ Ü˛# ˆÓyV˛⁄
6ä ~ܲ!ê˛ !mï˛sf# DNAˆï˛ Î!ò 562!ê˛ §y•zˆÏê˛y!§l ÌyˆÏܲ ï˛ˆÏÓ DNA ï˛sf#!ê˛ˆÏï˛ à%Î˚y!ll ~Ó˚ §Çáƒy !lî≈Î˚ ܲÓ˚–
7ä ≤Ãò_ ܲ§à%!°Ó˚ ÙˆÏôƒ ˆÜ˛yl!ê˛ ˆê˛fiê˛ÈüÈܲ§⁄ å§!ë˛Ü˛ í˛z_Ó˚!ê˛ ˆ°ˆÏáyä
ܲä WW X ww áä Ww X Ww àä Ww X ww âä ww X ww
!lˆÏ¡¨y=˛à%!°Ó˚ ÙˆÏôƒ ˆÜ˛yl!ê˛ !°Çà§ÇˆÏÎy!çï˛ ≤ÃFSÈߨ !çlâ!ê˛ï˛ ÓÇ¢àï˛ ˆÓ˚yà⁄ å§!ë˛Ü˛!ê˛ ˆ°ˆÏáyä
ܲä !•ˆÏÙy!Ê˛!°Î˚y åáä ̃y°yˆÏ§!ÙÎ˚y åàä !§Ü˛° ˆ§° xƒy!l!ÙÎ˚y åâä !Ê˛ly!° !ܲˆÏê˛y°%!Ó˚Î˚y–
8ä ôyˆÏlÓ˚ ç!ÙˆÏï˛ í˛z˛õ!fiÌï˛ §yÎ˚yˆÏly Óƒy܉˛!ê˛!Ó˚Î˚y §y•yˆÏ΃ ܲˆÏÓ˚ ûûûû ~Ó˚ §ÇÓrôˆÏl–
å§!ë˛Ü˛!ê˛ ÓySÈy•z ܲˆÏÓ˚ ¢)lƒfiÌyl ˛õ)Ó˚î ܲÓ˚–
ܲä Cu áä Zn àä N2˛ âä Mg
9ä PCR ˛õÂô!ï˛ˆÏï˛ !lˆÏ¡¨y=˛à%!°Ó˚ ˆÜ˛yl‰!ê˛ §ÇˆÏŸ’!£Ïï˛ •Î˚⁄ å§!ë˛Ü˛ í˛z_Ó˚!ê˛ ˆ°ˆÏáyä
ܲä DNA áä ˆ≤Ãy!ê˛l àä ܲyˆÏÓ≈y •y•zˆÏí»˛ê˛ âä RNA
10ä ç#Óyî%§yÓ˚ ~Ó˚ §ÇK˛y òyG–
11ä xAà ≤Ã!ï˛fiÌy˛õˆÏlÓ˚ ˆ«˛ˆÏe ê˛∆y•zˆÏܲyí˛yÙ≈yÓ˚ ÓƒÓ•yÓ˚ í˛zˆÏÕ‘á ܲÓ˚–
12ä A ~ÓÇ B ò%!ê˛ çˆÏ°Ó˚ lÙ%lyÎ˚ BOD ÎÌyܲˆÏÙ 120mg/L ~ÓÇ 400mg/L •ˆÏ° ˆÜ˛yl‰ lÙ%ly!ê˛ x!ôܲ ò)!£Ïï˛ ˆ°ˆÏáy–
13ä fløƒyܲ (Smack) ~Ó˚ í˛zͧ í˛zˆÏÕ‘á ܲÓ˚–
14ä xyî!Óܲ ÜÑ˛y!ã˛Ó˚ lyÙ ˆ°ˆÏáy–
15ä Taq-˛õ!°ÙyˆÏÓ˚ç ˆÜ˛yl‰ Óƒy܉˛ˆÏê˛!Ó˚Î˚y ˆÌˆÏܲ §Ç@˝Ã• ܲÓ˚y •Î˚⁄
16ä ˆçˆÏl!ê˛Ü˛ •z!O!lÎ˚y!Ó˚Ç Ü˛# ⁄
17ä ALISA ~Ó˚ ˛õ%ˆÏÓ˚y lyÙ ˆ°ˆÏáy–
18ä !lÙ!Iï˛ ˛õeÓ˚rô ˆÜ˛yl í˛z!qˆÏò ˆòáy ÎyÎ˚⁄
19ä §¡õò í˛zͧ x˛õ!Ó˚§#Ù •ˆÏ° ˛õ˛õ%ˆÏ°¢l Ó,!ÂôÓ˚ Ó˚)˛õ !ܲ •ˆÏÓ⁄
20ä ˆã˛y£Ïܲ ÙySÈ G •y.ˆÏÓ˚Ó˚ §•yÓfiÌyl ç!lï˛ !ÙÌ!fl;Î˚yÓ˚ lyÙ ˆ°ˆÏáy–
!Ó˲yàÈüÈá ≤Ã!ï˛!ê˛ ≤Èϟ¿Ó˚ ÙylÈüÈ2 2x8=16
!l¡¨!°!áï˛ ≤ß¿à%!°Ó˚ §Ç!«˛Æ í˛z_Ó˚ òyG 2x8=16
21ä !°ÇˆÏܲç G !Ó˚ܲ!¡∫ˆÏl¢ˆÏlÓ˚ §ÇK˛y ˆ°ˆÏáy–
22ä DNAÈüÈ ≤Ã!ï˛!°!˛õܲÓ˚î xô≈§ÇÓ˚«˛î¢#° Ó°ˆÏï˛ Ü˛# ˆÓyV˛⁄
23ä §§ƒ ܲ# ⁄ ly!Ó˚ˆÏܲˆÏ°Ó˚ ç° ˆÜ˛yl‰ ôÓ˚ˆÏlÓ˚ ¢§ƒ–
•zÙ‰ˆÏ≤’rê˛§ (Implants) ܲ#⁄ ZIFT ~Ó˚ ˛õ%ˆÏÓ˚y lyÙ ˆ°ˆÏáy–
24ä Withdrawal Syndrome- Ó°ˆÏï˛ Ü˛# ˆÏÓyV˛⁄
25ä §!ܲÎ˚ ~ÓÇ !l!‹;˛Î˚ xîyÜ˛Ùƒï˛yÓ˚ 2!ê˛ ˛õyÌ≈ܲƒ !°á–
Page 2
26ä pBR322 Ó°ˆÏï˛ Ü˛# ˆÓyV˛⁄
27ä •zlÈüÈ!§ê%˛ÈüȧÇÓ˚«˛î ~ÓÇ ~:ÈüÈ!§ê%˛ÈüȧÇÓ˚«˛î ~Ó˚ ò%!ê˛ ˛õyÌ≈ܲƒ ˆ°ˆÏáy–
28ä ~ܲ!ê˛ ˛õ%Ü%˛ˆÏÓ˚ 20!ê˛ ˛õp àySÈ !SÈ°– ~ܲ ÓSȈÏÓ˚ ≤ÃçlˆÏlÓ˚ Ê˛ˆÏ° xyˆÏÓ˚y 8!ê˛ lï%˛l ˛õp àySÈ ï˛yˆÏï˛ Î%=˛ •°– ˛õ˛õ%ˆÏ°¢l!ê˛Ó˚
çß√•yÓ˚ !lî≈Î˚ ܲˆÏÓ˚y–
!Ó˲yàÈüÈà ≤Ã!ï˛!ê˛ ≤Èϟ¿Ó˚ Ùyl 3 3x8=24
!l¡¨!°!áÌ ≤ß¿à%!°Ó˚ í˛z_Ó˚ òyG /
29ä •zÙƒy§Ü%˛ˆÏ°¢l ܲ#⁄ xyˆÏ˛õ°ˆÏܲ x≤ÃÜ,˛ï˛ Ê˛° Ó°y •Î˚ ˆÜ˛l⁄
§yÓ˚ˆÏê˛y!° ˆÜ˛y¢ ܲ# ⁄ ~Ó˚ ܲyçà%!° !ܲ !ܲ ⁄
30ä !Ùí˛zˆÏê˛¢l ܲ#⁄ !í˛!°¢l G˛ ˛õˆÏÎ˚rê˛ !Ùí˛zˆÏê˛¢l Ó°ˆÏï˛ !ܲ ˆÓyV˛⁄
31ä ~!rê˛Ó!í˛Ó˚ àë˛l ˆ°ˆÏáy–
≤’yçˆÏÙy!í˛Î˚yÙ ˆÜ˛yl‰ ò¢yÎ˚ Ùyl%ˆÏ£ÏÓ˚ ¢Ó˚#ˆÏÓ˚ ≤ÈÏÓ¢ ܲˆÏÓ˚⁄ §Çܲy!Ùï˛ Óƒ!=˛Ó˚ ˆòˆÏ• ˛õÓ˚ç#Ó#!ê˛Ó˚ ç#Ólã˛ˆÏܲÓ˚ ò¢yà%!°
ˆÜ˛Ó° Ùye ≤ÃÓy•ÈüÈ!ã˛ˆÏe ˆòáyG– 1+2
32ä ÓyˆÏÎ˚yàƒy§ ܲ#⁄ •z•y !ܲ˲yˆÏÓ í˛zͲõߨ ܲÓ˚y •Î˚⁄ 1+2
33ä ç#Ó ˜Ó!ã˛ˆÏeÓ˚ Ü˛Ù•…yˆÏ§Ó˚ ܲyÓ˚îà%!° ܲ# ܲ# ⁄
34ä xƒy!°° ܲ# ⁄ ~ܲ §ÇܲÓ˚ çll ~ÓÇ !m§ÇܲÓ˚ çlˆÏlÓ˚ ò%!ê˛ ˛õyÌ≈ܲƒ ˆ°ˆÏáy– 1+2
35ä Cry- ˆ≤Ãy!ê˛l ܲ#⁄ ~Ó˚ à%Ó˚%c ˆ°ˆÏáy– 1+2
36ä !ã˛e §• °!ç!T˛Ü˛ ˛õ˛õ%ˆÏ°¢l ˆ@˝ÃyˆÏÌÓ˚ ˆ°á!ã˛e Óî≈ly ܲÓ˚–
!Ó˲yàÈüÈâ ≤Ã!ï˛!ê˛ ≤Èϟ¿Ó˚ Ùyl 5 5x2=10
37ä ÙylÓˆÏòˆÏ• !lˆÏ£Ïܲ!ܲÎ˚y !ܲ˲yˆÏÓ âˆÏê˛⁄ !Üœ˛ˆÏ˲ç ܲ#⁄ ò%?ô«˛Ó˚î ܲ#˲yˆÏÓ âˆÏê˛⁄ 2+1+2
˛ õÓ˚yàˆÏÓ˚î% G àË≈˛Ù%ˆÏu˛Ó˚ xyhs˝ı!ܲÎ˚y ˆ°ˆÏáy ~ÓÇ flf#!°AàôÓ˚ àë˛ˆÏlÓ˚ ˛õÎ≈yÎ˚à%!° ˆ°ˆÏáy– 2+3
39ä ˆÙˆÏu˛ˆÏ°Ó˚ fl∫yô#l §M˛yÓ˚î §)e!ê˛ !ÓÓ,ï˛ Ü˛ˆÏÓ˚y– ˆã˛Ü˛yÓ˚ ˆÓyˆÏí≈˛Ó˚ §y•yˆÏ΃ !mÈüȧÇܲÓ˚ çll ˆÌˆÏܲ §)e!ê˛ Óƒyáƒy ܲˆÏÓ˚y–
2+3
ˆçˆÏl!ê˛Ü˛ ˆÜ˛yˆÏí˛Ó˚ !ï˛l!ê˛ ˜Ó!¢T˛ƒ ˆ°ˆÏáy– DNA !Ê˛ÇàyÓ˚ !≤Ã!rê˛ÇÈüÈ~Ó˚ ÓƒÓ•y!Ó˚ܲ ≤ÈÏÎ˚yà ˆ°ˆÏáy– 3+2
27ä •zlÈüÈ!§ê%˛ÈüȧÇÓ˚«˛î ~ÓÇ ~:ÈüÈ!§ê%˛ÈüȧÇÓ˚«˛î ~Ó˚ ò%!ê˛ ˛õyÌ≈ܲƒ ˆ°ˆÏáy–
28ä ~ܲ!ê˛ ˛õ%Ü%˛ˆÏÓ˚ 20!ê˛ ˛õp àySÈ !SÈ°– ~ܲ ÓSȈÏÓ˚ ≤ÃçlˆÏlÓ˚ Ê˛ˆÏ° xyˆÏÓ˚y 8!ê˛ lï%˛l ˛õp àySÈ ï˛yˆÏï˛ Î%=˛ •°– ˛õ˛õ%ˆÏ°¢l!ê˛Ó˚
çß√•yÓ˚ !lî≈Î˚ ܲˆÏÓ˚y–
!Ó˲yàÈüÈà ≤Ã!ï˛!ê˛ ≤Èϟ¿Ó˚ Ùyl 3 3x8=24
!l¡¨!°!áÌ ≤ß¿à%!°Ó˚ í˛z_Ó˚ òyG /
29ä •zÙƒy§Ü%˛ˆÏ°¢l ܲ#⁄ xyˆÏ˛õ°ˆÏܲ x≤ÃÜ,˛ï˛ Ê˛° Ó°y •Î˚ ˆÜ˛l⁄
§yÓ˚ˆÏê˛y!° ˆÜ˛y¢ ܲ# ⁄ ~Ó˚ ܲyçà%!° !ܲ !ܲ ⁄
30ä !Ùí˛zˆÏê˛¢l ܲ#⁄ !í˛!°¢l G˛ ˛õˆÏÎ˚rê˛ !Ùí˛zˆÏê˛¢l Ó°ˆÏï˛ !ܲ ˆÓyV˛⁄
31ä ~!rê˛Ó!í˛Ó˚ àë˛l ˆ°ˆÏáy–
≤’yçˆÏÙy!í˛Î˚yÙ ˆÜ˛yl‰ ò¢yÎ˚ Ùyl%ˆÏ£ÏÓ˚ ¢Ó˚#ˆÏÓ˚ ≤ÈÏÓ¢ ܲˆÏÓ˚⁄ §Çܲy!Ùï˛ Óƒ!=˛Ó˚ ˆòˆÏ• ˛õÓ˚ç#Ó#!ê˛Ó˚ ç#Ólã˛ˆÏܲÓ˚ ò¢yà%!°
ˆÜ˛Ó° Ùye ≤ÃÓy•ÈüÈ!ã˛ˆÏe ˆòáyG– 1+2
32ä ÓyˆÏÎ˚yàƒy§ ܲ#⁄ •z•y !ܲ˲yˆÏÓ í˛zͲõߨ ܲÓ˚y •Î˚⁄ 1+2
33ä ç#Ó ˜Ó!ã˛ˆÏeÓ˚ Ü˛Ù•…yˆÏ§Ó˚ ܲyÓ˚îà%!° ܲ# ܲ# ⁄
34ä xƒy!°° ܲ# ⁄ ~ܲ §ÇܲÓ˚ çll ~ÓÇ !m§ÇܲÓ˚ çlˆÏlÓ˚ ò%!ê˛ ˛õyÌ≈ܲƒ ˆ°ˆÏáy– 1+2
35ä Cry- ˆ≤Ãy!ê˛l ܲ#⁄ ~Ó˚ à%Ó˚%c ˆ°ˆÏáy– 1+2
36ä !ã˛e §• °!ç!T˛Ü˛ ˛õ˛õ%ˆÏ°¢l ˆ@˝ÃyˆÏÌÓ˚ ˆ°á!ã˛e Óî≈ly ܲÓ˚–
!Ó˲yàÈüÈâ ≤Ã!ï˛!ê˛ ≤Èϟ¿Ó˚ Ùyl 5 5x2=10
37ä ÙylÓˆÏòˆÏ• !lˆÏ£Ïܲ!ܲÎ˚y !ܲ˲yˆÏÓ âˆÏê˛⁄ !Üœ˛ˆÏ˲ç ܲ#⁄ ò%?ô«˛Ó˚î ܲ#˲yˆÏÓ âˆÏê˛⁄ 2+1+2
˛ õÓ˚yàˆÏÓ˚î% G àË≈˛Ù%ˆÏu˛Ó˚ xyhs˝ı!ܲÎ˚y ˆ°ˆÏáy ~ÓÇ flf#!°AàôÓ˚ àë˛ˆÏlÓ˚ ˛õÎ≈yÎ˚à%!° ˆ°ˆÏáy– 2+3
39ä ˆÙˆÏu˛ˆÏ°Ó˚ fl∫yô#l §M˛yÓ˚î §)e!ê˛ !ÓÓ,ï˛ Ü˛ˆÏÓ˚y– ˆã˛Ü˛yÓ˚ ˆÓyˆÏí≈˛Ó˚ §y•yˆÏ΃ !mÈüȧÇܲÓ˚ çll ˆÌˆÏܲ §)e!ê˛ Óƒyáƒy ܲˆÏÓ˚y–
2+3
ˆçˆÏl!ê˛Ü˛ ˆÜ˛yˆÏí˛Ó˚ !ï˛l!ê˛ ˜Ó!¢T˛ƒ ˆ°ˆÏáy– DNA !Ê˛ÇàyÓ˚ !≤Ã!rê˛ÇÈüÈ~Ó˚ ÓƒÓ•y!Ó˚ܲ ≤ÈÏÎ˚yà ˆ°ˆÏáy– 3+2
Page 3
Section-A Each Question carries 1 mark 1x20=20
Answer the following questions
1. What is exalbuminous seed ?
2. Fill up the blanks male and female gametes are ____. (haplaid/diplaid)
3. All sexually transmitted diseases are curbe (yes/not).
4. What is spermiation?
OR
What is colostrum ?
5. What do you mean by initiation codon ?
6. If a double stranded DNA has 562 nos. of cytosine, calculate the number of Guanine in
the DNA.
7. Among the given gasses, which one is a Test-crass? (Write the correct answer)
(a) WW x ww (b) Ww x Wx (c) Ww x ww (d) ww x ww
OR
Which one of the fallowing is a sexlinked recessive genetic disorder ? write the correct
one.
(a) Heamophilia (b) Thalassemia (c) Sickla all anemia (d) Phenylketonuria.
8. Cyanobacteria present in fuddy field help in fixation of ___. (Choose the correct one to
fill in the blanks) :
(a) Cu (b) Zn (c) N2 d) Mg,
9. Which one of the following is synthesized by the process of PCR ? Write the correct
answer.
a) DNA (b) Protein (c) Carbohydrate (d) RNA
10.Define biofertilizer.
11.State the use of trichaderma with respect to organ transplant.
12.BOD of two samples of water A and B were120 mg/L and 400mg/L respectively, which
sample is more polluted ?
13.Mention the source of smack.
14.Give the name of molicular seissors.
15.From which Bacterium Taq-polymerase in collected?
16.What is genetic engineering ?
17.Give the full form of ELISA.
18.In which plant senken stomata is found ?
19.What would be the growth pattern, when the resource are unlimited.
20. Name the interaction between sueker fish and shark.
Answer the following questions
1. What is exalbuminous seed ?
2. Fill up the blanks male and female gametes are ____. (haplaid/diplaid)
3. All sexually transmitted diseases are curbe (yes/not).
4. What is spermiation?
OR
What is colostrum ?
5. What do you mean by initiation codon ?
6. If a double stranded DNA has 562 nos. of cytosine, calculate the number of Guanine in
the DNA.
7. Among the given gasses, which one is a Test-crass? (Write the correct answer)
(a) WW x ww (b) Ww x Wx (c) Ww x ww (d) ww x ww
OR
Which one of the fallowing is a sexlinked recessive genetic disorder ? write the correct
one.
(a) Heamophilia (b) Thalassemia (c) Sickla all anemia (d) Phenylketonuria.
8. Cyanobacteria present in fuddy field help in fixation of ___. (Choose the correct one to
fill in the blanks) :
(a) Cu (b) Zn (c) N2 d) Mg,
9. Which one of the following is synthesized by the process of PCR ? Write the correct
answer.
a) DNA (b) Protein (c) Carbohydrate (d) RNA
10.Define biofertilizer.
11.State the use of trichaderma with respect to organ transplant.
12.BOD of two samples of water A and B were120 mg/L and 400mg/L respectively, which
sample is more polluted ?
13.Mention the source of smack.
14.Give the name of molicular seissors.
15.From which Bacterium Taq-polymerase in collected?
16.What is genetic engineering ?
17.Give the full form of ELISA.
18.In which plant senken stomata is found ?
19.What would be the growth pattern, when the resource are unlimited.
20. Name the interaction between sueker fish and shark.
Page 4
Section-B Each Question Carries 2 makrs 2x8=16
21.Write the defination of linkage and recombination.
22.Whatdo you mean by semi conservative DNA duplication ?
23.What is endosperm ? What type of endosperm is found is coconut milk ?
OR
What is implants ? Write the full form of ZIFT.
24.What do you mean by with drawal syndrome ?
25.Write two difference between Active and passive immunity.
26.What do you mean by pBR322 ?
27.Write two difference between in-situ conservation and ex-situ conservation.
28.In a P and there are 20 lotus plants. Through reproduction 8 new lotus plants were added
in a year. calculate the birth rate of the population.
Section-C Each questions carries Marks 3 3x8=24
29.What is emasculation ? Why apple is called false fruit ?
OR
What is sertdi Cell? What are its functions.
30.What is mutation ? What do you understand by deletion mutation and point mutation ?
31.Write the structure of antibody.
OR
At what stage does plasmodium enter into a human body ? Show the stage in the life
cycle of the parasite in the infected person, with the help of flow-chart only. 1+2
32. What is biogas ? How it is produced ? 1+2
33. Write the causes of gradual decrease or lass of biodiversity.
34. What is allele ? Write 3(three) difference between Monohybrid cross and dihybreed
crosses.
35. What is Cry protin? Write its importance.
36. Describe the logistic population growth curve with suitable diagram. 2+1
Section-D Each Questions carries 5 Marks : 5x2=10
37.How fertilization occurs in human being ? What is cleavage ? How lactation occures ?
2+1+2
OR
Write the interactions between pollengrain and stigma and steps of development of
female gematophyte. 2+3
38. State the law of independent assertment of Mendel. Explain the law from a dihybrid
crass using cheeker board. 2+3
OR
Write three salient features of genetic code. Write practical application of DNA finger
printing. 3+2
21.Write the defination of linkage and recombination.
22.Whatdo you mean by semi conservative DNA duplication ?
23.What is endosperm ? What type of endosperm is found is coconut milk ?
OR
What is implants ? Write the full form of ZIFT.
24.What do you mean by with drawal syndrome ?
25.Write two difference between Active and passive immunity.
26.What do you mean by pBR322 ?
27.Write two difference between in-situ conservation and ex-situ conservation.
28.In a P and there are 20 lotus plants. Through reproduction 8 new lotus plants were added
in a year. calculate the birth rate of the population.
Section-C Each questions carries Marks 3 3x8=24
29.What is emasculation ? Why apple is called false fruit ?
OR
What is sertdi Cell? What are its functions.
30.What is mutation ? What do you understand by deletion mutation and point mutation ?
31.Write the structure of antibody.
OR
At what stage does plasmodium enter into a human body ? Show the stage in the life
cycle of the parasite in the infected person, with the help of flow-chart only. 1+2
32. What is biogas ? How it is produced ? 1+2
33. Write the causes of gradual decrease or lass of biodiversity.
34. What is allele ? Write 3(three) difference between Monohybrid cross and dihybreed
crosses.
35. What is Cry protin? Write its importance.
36. Describe the logistic population growth curve with suitable diagram. 2+1
Section-D Each Questions carries 5 Marks : 5x2=10
37.How fertilization occurs in human being ? What is cleavage ? How lactation occures ?
2+1+2
OR
Write the interactions between pollengrain and stigma and steps of development of
female gematophyte. 2+3
38. State the law of independent assertment of Mendel. Explain the law from a dihybrid
crass using cheeker board. 2+3
OR
Write three salient features of genetic code. Write practical application of DNA finger
printing. 3+2