Past Year Paper, Biology (Set - 1), Outside Delhi, 2015, Class 12, Biology | Additional Study Material for NEET PDF Download

 Page 1


57/1 1 [P.T.O. 
 
 
 
 
¸üÖê»Ö ®ÖÓ. 
Roll No.  
 
 
 
•Öß¾Ö ×¾Ö–ÖÖ®Ö (ÃÖî¨üÖ×®ŸÖÛú) 
BIOLOGY (Theory)  
×®Ö¬ÖÖÔ׸üŸÖ ÃÖ´ÖµÖ  :    3 ‘ÖÓ™êü ] [ †×¬ÖÛúŸÖ´Ö †ÓÛú  : 70 
Time allowed : 3 hours ] [ Maximum Marks : 70 
 
ÃÖÖ´ÖÖ®µÖ ×®Ö¤ìü¿Ö    : : : :   
    (i) ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ¯ÖÖÑ“Ö ÜÖÞ›üÖë ´Öë 26 ¯ÖÏ¿®Ö פü‹ ÝÖ‹ Æïü … ÃÖ³Öß ¯ÖÏ¿®Ö †×®Ö¾ÖÖµÖÔ Æïü … 
 (ii) ÜÖÞ›ü – A ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 1 ÃÖê 5 †×ŸÖ »Ö‘Öã-ˆ¢Ö¸üßµÖ ¯ÖÏ¿®Ö Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö 1 †ÓÛú ÛúÖ Æîü …  
 (iii) ÜÖÞ›ü – B ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 6 ÃÖê 10 »Ö‘Öã-ˆ¢Ö¸üßµÖ ¯ÖÏ¿®Ö I ¯ÖÏÛúÖ¸ü Ûêú Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö 2 †ÓÛúÖë ÛúÖ Æîü …  
 (iv) ÜÖÞ›ü – C ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 11 ÃÖê 22 »Ö‘Öã-ˆ¢Ö¸üßµÖü ¯ÖÏ¿®Ö II ¯ÖÏÛúÖ¸ü Ûêú Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö 3 †ÓÛúÖë ÛúÖ Æîü …  
 (v) ÜÖÞ›ü – D ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 23 ´Öæ»µÖ †Ö¬ÖÖ׸üŸÖ ¯ÖÏ¿®Ö 4 †ÓÛúÖë ÛúÖ Æîü …  
 (vi) ÜÖÞ›ü – E ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 24 ÃÖê 26 ¤üß‘ÖÔ-ˆ¢Ö¸üßµÖ ¯ÖÏ¿®Ö Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö 5 †ÓÛúÖë ÛúÖ Æîü …  
 (vii) ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ÃÖ´ÖÝÖÏ ¯Ö¸ü ÛúÖê‡Ô ×¾ÖÛú»¯Ö ®ÖÆüà Æîü, ×±ú¸ü ³Öß 2 †ÓÛúÖë ¾ÖÖ»Öê ‹Ûú ¯ÖÏ¿®Ö ´Öë, 3 †ÓÛúÖë ¾ÖÖ»Öê ‹Ûú ¯ÖÏ¿®Ö ´Öë 
†Öî¸ü 5 †ÓÛúÖë ¾ÖÖ»Öê ÃÖ³Ößú ŸÖß®ÖÖë ¯ÖÏ¿®ÖÖë ´Öë ³Öߟָüß “ÖµÖ®Ö-×¾ÖÛú»¯Ö פü‹ ÝÖ‹ Æïü … ¯ÖÏŸµÖêÛú ¯Ö¸üßõÖÖ£Öá ÛúÖê ‹êÃÖê ¯ÖÏ¿®ÖÖë 
Ûêú ¤üÖê ×¾ÖÛú»¯ÖÖë ´Öë ÃÖê ÛúÖê‡Ô ‹Ûú ¯ÖÏ¿®Ö Æü»Ö Ûú¸ü®ÖÖ Æîü …  
 Series : SSO/C 
57/1
• Ûéú¯ÖµÖÖ •ÖÖÑ“Ö Ûú¸ü »Öë ×Ûú ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ´ÖãצüŸÖ ¯Öéšü 8 Æïü … 
• ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ¤üÖ×Æü®Öê ÆüÖ£Ö Ûúß †Öê¸ü פü‹ ÝÖ‹ ÛúÖê›ü ®Ö´²Ö¸ü ÛúÖê ”ûÖ¡Ö ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ Ûêú ´ÖãÜÖ-¯Öéšü ¯Ö¸ü ×»ÖÜÖë …  
• Ûéú¯ÖµÖÖ •ÖÖÑ“Ö Ûú¸ü »Öë ×Ûú ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë 26 ¯ÖÏ¿®Ö Æïü …  
• Ûéú¯ÖµÖÖ ¯ÖÏ¿®Ö ÛúÖ ˆ¢Ö¸ü ×»ÖÜÖ®ÖÖ ¿Öãºþ Ûú¸ü®Öê ÃÖê ¯ÖÆü»Öê, ¯ÖÏ¿®Ö ÛúÖ ÛÎú´ÖÖÓÛú †¾Ö¿µÖ ×»ÖÜÖë …  
• ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖê ¯ÖœÌü®Öê Ûêú ×»Ö‹ 15 ×´Ö®Ö™ü ÛúÖ ÃÖ´ÖµÖ ×¤üµÖÖ ÝÖµÖÖ Æîü … ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖ ×¾ÖŸÖ¸üÞÖ ¯Öæ¾ÖÖÔÆËü®Ö ´Öë 10.15 ²Ö•Öê 
×ÛúµÖÖ •ÖÖµÖêÝÖÖ … 10.15 ²Ö•Öê ÃÖê 10.30 ²Ö•Öê ŸÖÛú ”ûÖ¡Ö Ûêú¾Ö»Ö ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖê ¯ÖœÌëüÝÖê †Öî¸ü ‡ÃÖ †¾Ö×¬Ö Ûêú ¤üÖî¸üÖ®Ö ¾Öê 
ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ ¯Ö¸ü ÛúÖê‡Ô ˆ¢Ö¸ü ®ÖÆüà ×»ÖÜÖëÝÖê …  
• Please check that this question paper contains 8 printed pages. 
• Code number given on the right hand side of the question paper should be written on the 
title page of the answer-book by the candidate. 
• Please check that this question paper contains 26 questions. 
• Please write down the Serial Number of the question before attempting it. 
• 15 minute time has been allotted to read this question paper. The question paper will be 
distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the 
question paper only and will not write any answer on the answer-book during this period. 
ÛúÖê›ü ®ÖÓ. 
Code No.  
    
¯Ö¸üßõÖÖ£Öá ÛúÖê›ü ÛúÖê ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ Ûêú ´ÖãÜÖ-¯Öéšü 
¯Ö¸ü †¾Ö¿µÖ ×»ÖÜÖë … 
Candidates must write the Code on 
the title page of the answer-book. 
 
SET – 1 
Page 2


57/1 1 [P.T.O. 
 
 
 
 
¸üÖê»Ö ®ÖÓ. 
Roll No.  
 
 
 
•Öß¾Ö ×¾Ö–ÖÖ®Ö (ÃÖî¨üÖ×®ŸÖÛú) 
BIOLOGY (Theory)  
×®Ö¬ÖÖÔ׸üŸÖ ÃÖ´ÖµÖ  :    3 ‘ÖÓ™êü ] [ †×¬ÖÛúŸÖ´Ö †ÓÛú  : 70 
Time allowed : 3 hours ] [ Maximum Marks : 70 
 
ÃÖÖ´ÖÖ®µÖ ×®Ö¤ìü¿Ö    : : : :   
    (i) ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ¯ÖÖÑ“Ö ÜÖÞ›üÖë ´Öë 26 ¯ÖÏ¿®Ö פü‹ ÝÖ‹ Æïü … ÃÖ³Öß ¯ÖÏ¿®Ö †×®Ö¾ÖÖµÖÔ Æïü … 
 (ii) ÜÖÞ›ü – A ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 1 ÃÖê 5 †×ŸÖ »Ö‘Öã-ˆ¢Ö¸üßµÖ ¯ÖÏ¿®Ö Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö 1 †ÓÛú ÛúÖ Æîü …  
 (iii) ÜÖÞ›ü – B ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 6 ÃÖê 10 »Ö‘Öã-ˆ¢Ö¸üßµÖ ¯ÖÏ¿®Ö I ¯ÖÏÛúÖ¸ü Ûêú Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö 2 †ÓÛúÖë ÛúÖ Æîü …  
 (iv) ÜÖÞ›ü – C ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 11 ÃÖê 22 »Ö‘Öã-ˆ¢Ö¸üßµÖü ¯ÖÏ¿®Ö II ¯ÖÏÛúÖ¸ü Ûêú Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö 3 †ÓÛúÖë ÛúÖ Æîü …  
 (v) ÜÖÞ›ü – D ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 23 ´Öæ»µÖ †Ö¬ÖÖ׸üŸÖ ¯ÖÏ¿®Ö 4 †ÓÛúÖë ÛúÖ Æîü …  
 (vi) ÜÖÞ›ü – E ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 24 ÃÖê 26 ¤üß‘ÖÔ-ˆ¢Ö¸üßµÖ ¯ÖÏ¿®Ö Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö 5 †ÓÛúÖë ÛúÖ Æîü …  
 (vii) ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ÃÖ´ÖÝÖÏ ¯Ö¸ü ÛúÖê‡Ô ×¾ÖÛú»¯Ö ®ÖÆüà Æîü, ×±ú¸ü ³Öß 2 †ÓÛúÖë ¾ÖÖ»Öê ‹Ûú ¯ÖÏ¿®Ö ´Öë, 3 †ÓÛúÖë ¾ÖÖ»Öê ‹Ûú ¯ÖÏ¿®Ö ´Öë 
†Öî¸ü 5 †ÓÛúÖë ¾ÖÖ»Öê ÃÖ³Ößú ŸÖß®ÖÖë ¯ÖÏ¿®ÖÖë ´Öë ³Öߟָüß “ÖµÖ®Ö-×¾ÖÛú»¯Ö פü‹ ÝÖ‹ Æïü … ¯ÖÏŸµÖêÛú ¯Ö¸üßõÖÖ£Öá ÛúÖê ‹êÃÖê ¯ÖÏ¿®ÖÖë 
Ûêú ¤üÖê ×¾ÖÛú»¯ÖÖë ´Öë ÃÖê ÛúÖê‡Ô ‹Ûú ¯ÖÏ¿®Ö Æü»Ö Ûú¸ü®ÖÖ Æîü …  
 Series : SSO/C 
57/1
• Ûéú¯ÖµÖÖ •ÖÖÑ“Ö Ûú¸ü »Öë ×Ûú ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ´ÖãצüŸÖ ¯Öéšü 8 Æïü … 
• ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ¤üÖ×Æü®Öê ÆüÖ£Ö Ûúß †Öê¸ü פü‹ ÝÖ‹ ÛúÖê›ü ®Ö´²Ö¸ü ÛúÖê ”ûÖ¡Ö ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ Ûêú ´ÖãÜÖ-¯Öéšü ¯Ö¸ü ×»ÖÜÖë …  
• Ûéú¯ÖµÖÖ •ÖÖÑ“Ö Ûú¸ü »Öë ×Ûú ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë 26 ¯ÖÏ¿®Ö Æïü …  
• Ûéú¯ÖµÖÖ ¯ÖÏ¿®Ö ÛúÖ ˆ¢Ö¸ü ×»ÖÜÖ®ÖÖ ¿Öãºþ Ûú¸ü®Öê ÃÖê ¯ÖÆü»Öê, ¯ÖÏ¿®Ö ÛúÖ ÛÎú´ÖÖÓÛú †¾Ö¿µÖ ×»ÖÜÖë …  
• ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖê ¯ÖœÌü®Öê Ûêú ×»Ö‹ 15 ×´Ö®Ö™ü ÛúÖ ÃÖ´ÖµÖ ×¤üµÖÖ ÝÖµÖÖ Æîü … ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖ ×¾ÖŸÖ¸üÞÖ ¯Öæ¾ÖÖÔÆËü®Ö ´Öë 10.15 ²Ö•Öê 
×ÛúµÖÖ •ÖÖµÖêÝÖÖ … 10.15 ²Ö•Öê ÃÖê 10.30 ²Ö•Öê ŸÖÛú ”ûÖ¡Ö Ûêú¾Ö»Ö ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖê ¯ÖœÌëüÝÖê †Öî¸ü ‡ÃÖ †¾Ö×¬Ö Ûêú ¤üÖî¸üÖ®Ö ¾Öê 
ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ ¯Ö¸ü ÛúÖê‡Ô ˆ¢Ö¸ü ®ÖÆüà ×»ÖÜÖëÝÖê …  
• Please check that this question paper contains 8 printed pages. 
• Code number given on the right hand side of the question paper should be written on the 
title page of the answer-book by the candidate. 
• Please check that this question paper contains 26 questions. 
• Please write down the Serial Number of the question before attempting it. 
• 15 minute time has been allotted to read this question paper. The question paper will be 
distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the 
question paper only and will not write any answer on the answer-book during this period. 
ÛúÖê›ü ®ÖÓ. 
Code No.  
    
¯Ö¸üßõÖÖ£Öá ÛúÖê›ü ÛúÖê ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ Ûêú ´ÖãÜÖ-¯Öéšü 
¯Ö¸ü †¾Ö¿µÖ ×»ÖÜÖë … 
Candidates must write the Code on 
the title page of the answer-book. 
 
SET – 1 
57/1 2  
General Instructions :   
 (i) There are a total of 26 questions and five sections in the question paper.                     
All questions are compulsory. 
 (ii) Section A contains questions number 1 to 5, Very Short Answer type questions of       
1 mark each. 
 (iii) Section B contains questions number 6 to 10, Short Answer type I questions of         
2 marks each. 
 (iv) Section C contains questions number 11 to 22, Short Answer type II questions of             
3 marks each. 
 (v) Section D contains question number 23, Value Based Question of 4 marks. 
 (vi) Section E contains questions number 24 to 26, Long Answer type questions of         
5 marks each. 
 (vii) There is no overall choice in the question paper, however, an internal choice is 
provided in one question of 2 marks, one question of 3 marks and all the three 
questions of 5 marks. In these questions, an examinee is to attempt any one of the 
two given alternatives. 
 
ÜÖÞ›ü – A 
SECTION – A 
1. ˆ®Ö ¤üÖê ×¾Ö׿Ö™ü ÛúÖê›üÖê®ÖÖë ÛúÖê ²ÖŸÖÖ‡‹ •ÖÖê mRNA Ûúß ™ÒüÖÓÃÖ»Öê¿Ö®Ö»Ö ‡ÛúÖ‡Ô Ûêú ¤üÖê®ÖÖë ŸÖ¸ü±ú ×Ã£ÖŸÖ ÆüÖêŸÖê Æïü … 1 
 Write the two specific codons that a translational unit of mRNA is flanked by one on 
either sides. 
 
2. ×Ûú»Ö×®ÖµÖÖë †Öî¸ü Ûãú¢ÖÖë Ûêú ²Öß“Ö ¯ÖÖ‹ •ÖÖ®Öê ¾ÖÖ»Öß ¯ÖÖ¸üïÖ׸üÛú ×ÛÎúµÖÖ ×ÛúÃÖ ¯ÖÏÛúÖ¸ü Ûúß ÆüÖêŸÖß Æîü ? 1 
 State the type of interaction that exists between ticks and dogs. 
 
3. Œ»ÖÖ‡®Öê±Ìêú»™ü¸ü ØÃÖ›ÒüÖê´Ö ÃÖê ÝÖÏÃŸÖ ¾µÖ׌ŸÖµÖÖë ´Öë ¯ÖÖ‹ •ÖÖ®Öê ¾ÖÖ»Öê ÛÎúÖê´ÖÖêÃÖÖê´Öß (ÝÖãÞÖÃÖæ¡Öß) ¯ÖϳÖÖ¾Ö ²ÖŸÖÖ‡‹ … 1 
 Write the chromosomal  defect in individuals affected with Klinefelter’s syndrome. 
 
4.
  
 µÖÆüÖÑ ×¤ü‹ ÝÖ‹ ×“Ö¡Ö ÛúÖê ¯ÖÆü“ÖÖ×®Ö‹ ŸÖ£ÖÖ ˆÃÖ ÛúÖ×µÖÛú ³ÖÖÝÖ Ûúß “Ö“ÖÖÔ Ûúßו֋ •ÖÖê ˆÃÖê •Ö®Ö®Ö ´Öë ´Ö¤ü¤ü Ûú¸üŸÖÖ Æîü … 1 
Page 3


57/1 1 [P.T.O. 
 
 
 
 
¸üÖê»Ö ®ÖÓ. 
Roll No.  
 
 
 
•Öß¾Ö ×¾Ö–ÖÖ®Ö (ÃÖî¨üÖ×®ŸÖÛú) 
BIOLOGY (Theory)  
×®Ö¬ÖÖÔ׸üŸÖ ÃÖ´ÖµÖ  :    3 ‘ÖÓ™êü ] [ †×¬ÖÛúŸÖ´Ö †ÓÛú  : 70 
Time allowed : 3 hours ] [ Maximum Marks : 70 
 
ÃÖÖ´ÖÖ®µÖ ×®Ö¤ìü¿Ö    : : : :   
    (i) ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ¯ÖÖÑ“Ö ÜÖÞ›üÖë ´Öë 26 ¯ÖÏ¿®Ö פü‹ ÝÖ‹ Æïü … ÃÖ³Öß ¯ÖÏ¿®Ö †×®Ö¾ÖÖµÖÔ Æïü … 
 (ii) ÜÖÞ›ü – A ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 1 ÃÖê 5 †×ŸÖ »Ö‘Öã-ˆ¢Ö¸üßµÖ ¯ÖÏ¿®Ö Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö 1 †ÓÛú ÛúÖ Æîü …  
 (iii) ÜÖÞ›ü – B ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 6 ÃÖê 10 »Ö‘Öã-ˆ¢Ö¸üßµÖ ¯ÖÏ¿®Ö I ¯ÖÏÛúÖ¸ü Ûêú Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö 2 †ÓÛúÖë ÛúÖ Æîü …  
 (iv) ÜÖÞ›ü – C ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 11 ÃÖê 22 »Ö‘Öã-ˆ¢Ö¸üßµÖü ¯ÖÏ¿®Ö II ¯ÖÏÛúÖ¸ü Ûêú Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö 3 †ÓÛúÖë ÛúÖ Æîü …  
 (v) ÜÖÞ›ü – D ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 23 ´Öæ»µÖ †Ö¬ÖÖ׸üŸÖ ¯ÖÏ¿®Ö 4 †ÓÛúÖë ÛúÖ Æîü …  
 (vi) ÜÖÞ›ü – E ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 24 ÃÖê 26 ¤üß‘ÖÔ-ˆ¢Ö¸üßµÖ ¯ÖÏ¿®Ö Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö 5 †ÓÛúÖë ÛúÖ Æîü …  
 (vii) ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ÃÖ´ÖÝÖÏ ¯Ö¸ü ÛúÖê‡Ô ×¾ÖÛú»¯Ö ®ÖÆüà Æîü, ×±ú¸ü ³Öß 2 †ÓÛúÖë ¾ÖÖ»Öê ‹Ûú ¯ÖÏ¿®Ö ´Öë, 3 †ÓÛúÖë ¾ÖÖ»Öê ‹Ûú ¯ÖÏ¿®Ö ´Öë 
†Öî¸ü 5 †ÓÛúÖë ¾ÖÖ»Öê ÃÖ³Ößú ŸÖß®ÖÖë ¯ÖÏ¿®ÖÖë ´Öë ³Öߟָüß “ÖµÖ®Ö-×¾ÖÛú»¯Ö פü‹ ÝÖ‹ Æïü … ¯ÖÏŸµÖêÛú ¯Ö¸üßõÖÖ£Öá ÛúÖê ‹êÃÖê ¯ÖÏ¿®ÖÖë 
Ûêú ¤üÖê ×¾ÖÛú»¯ÖÖë ´Öë ÃÖê ÛúÖê‡Ô ‹Ûú ¯ÖÏ¿®Ö Æü»Ö Ûú¸ü®ÖÖ Æîü …  
 Series : SSO/C 
57/1
• Ûéú¯ÖµÖÖ •ÖÖÑ“Ö Ûú¸ü »Öë ×Ûú ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ´ÖãצüŸÖ ¯Öéšü 8 Æïü … 
• ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ¤üÖ×Æü®Öê ÆüÖ£Ö Ûúß †Öê¸ü פü‹ ÝÖ‹ ÛúÖê›ü ®Ö´²Ö¸ü ÛúÖê ”ûÖ¡Ö ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ Ûêú ´ÖãÜÖ-¯Öéšü ¯Ö¸ü ×»ÖÜÖë …  
• Ûéú¯ÖµÖÖ •ÖÖÑ“Ö Ûú¸ü »Öë ×Ûú ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë 26 ¯ÖÏ¿®Ö Æïü …  
• Ûéú¯ÖµÖÖ ¯ÖÏ¿®Ö ÛúÖ ˆ¢Ö¸ü ×»ÖÜÖ®ÖÖ ¿Öãºþ Ûú¸ü®Öê ÃÖê ¯ÖÆü»Öê, ¯ÖÏ¿®Ö ÛúÖ ÛÎú´ÖÖÓÛú †¾Ö¿µÖ ×»ÖÜÖë …  
• ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖê ¯ÖœÌü®Öê Ûêú ×»Ö‹ 15 ×´Ö®Ö™ü ÛúÖ ÃÖ´ÖµÖ ×¤üµÖÖ ÝÖµÖÖ Æîü … ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖ ×¾ÖŸÖ¸üÞÖ ¯Öæ¾ÖÖÔÆËü®Ö ´Öë 10.15 ²Ö•Öê 
×ÛúµÖÖ •ÖÖµÖêÝÖÖ … 10.15 ²Ö•Öê ÃÖê 10.30 ²Ö•Öê ŸÖÛú ”ûÖ¡Ö Ûêú¾Ö»Ö ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖê ¯ÖœÌëüÝÖê †Öî¸ü ‡ÃÖ †¾Ö×¬Ö Ûêú ¤üÖî¸üÖ®Ö ¾Öê 
ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ ¯Ö¸ü ÛúÖê‡Ô ˆ¢Ö¸ü ®ÖÆüà ×»ÖÜÖëÝÖê …  
• Please check that this question paper contains 8 printed pages. 
• Code number given on the right hand side of the question paper should be written on the 
title page of the answer-book by the candidate. 
• Please check that this question paper contains 26 questions. 
• Please write down the Serial Number of the question before attempting it. 
• 15 minute time has been allotted to read this question paper. The question paper will be 
distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the 
question paper only and will not write any answer on the answer-book during this period. 
ÛúÖê›ü ®ÖÓ. 
Code No.  
    
¯Ö¸üßõÖÖ£Öá ÛúÖê›ü ÛúÖê ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ Ûêú ´ÖãÜÖ-¯Öéšü 
¯Ö¸ü †¾Ö¿µÖ ×»ÖÜÖë … 
Candidates must write the Code on 
the title page of the answer-book. 
 
SET – 1 
57/1 2  
General Instructions :   
 (i) There are a total of 26 questions and five sections in the question paper.                     
All questions are compulsory. 
 (ii) Section A contains questions number 1 to 5, Very Short Answer type questions of       
1 mark each. 
 (iii) Section B contains questions number 6 to 10, Short Answer type I questions of         
2 marks each. 
 (iv) Section C contains questions number 11 to 22, Short Answer type II questions of             
3 marks each. 
 (v) Section D contains question number 23, Value Based Question of 4 marks. 
 (vi) Section E contains questions number 24 to 26, Long Answer type questions of         
5 marks each. 
 (vii) There is no overall choice in the question paper, however, an internal choice is 
provided in one question of 2 marks, one question of 3 marks and all the three 
questions of 5 marks. In these questions, an examinee is to attempt any one of the 
two given alternatives. 
 
ÜÖÞ›ü – A 
SECTION – A 
1. ˆ®Ö ¤üÖê ×¾Ö׿Ö™ü ÛúÖê›üÖê®ÖÖë ÛúÖê ²ÖŸÖÖ‡‹ •ÖÖê mRNA Ûúß ™ÒüÖÓÃÖ»Öê¿Ö®Ö»Ö ‡ÛúÖ‡Ô Ûêú ¤üÖê®ÖÖë ŸÖ¸ü±ú ×Ã£ÖŸÖ ÆüÖêŸÖê Æïü … 1 
 Write the two specific codons that a translational unit of mRNA is flanked by one on 
either sides. 
 
2. ×Ûú»Ö×®ÖµÖÖë †Öî¸ü Ûãú¢ÖÖë Ûêú ²Öß“Ö ¯ÖÖ‹ •ÖÖ®Öê ¾ÖÖ»Öß ¯ÖÖ¸üïÖ׸üÛú ×ÛÎúµÖÖ ×ÛúÃÖ ¯ÖÏÛúÖ¸ü Ûúß ÆüÖêŸÖß Æîü ? 1 
 State the type of interaction that exists between ticks and dogs. 
 
3. Œ»ÖÖ‡®Öê±Ìêú»™ü¸ü ØÃÖ›ÒüÖê´Ö ÃÖê ÝÖÏÃŸÖ ¾µÖ׌ŸÖµÖÖë ´Öë ¯ÖÖ‹ •ÖÖ®Öê ¾ÖÖ»Öê ÛÎúÖê´ÖÖêÃÖÖê´Öß (ÝÖãÞÖÃÖæ¡Öß) ¯ÖϳÖÖ¾Ö ²ÖŸÖÖ‡‹ … 1 
 Write the chromosomal  defect in individuals affected with Klinefelter’s syndrome. 
 
4.
  
 µÖÆüÖÑ ×¤ü‹ ÝÖ‹ ×“Ö¡Ö ÛúÖê ¯ÖÆü“ÖÖ×®Ö‹ ŸÖ£ÖÖ ˆÃÖ ÛúÖ×µÖÛú ³ÖÖÝÖ Ûúß “Ö“ÖÖÔ Ûúßו֋ •ÖÖê ˆÃÖê •Ö®Ö®Ö ´Öë ´Ö¤ü¤ü Ûú¸üŸÖÖ Æîü … 1 
57/1 3 [P.T.O. 
 Identify the picture and mention the vegetative part that helps it to propagate. 
 
5. ÃÖîÛîú¸ü´Ö ²ÖÖ¸ü²Öê¸üß Ûúß ŸÖã»Ö®ÖÖ ´Öë ÃÖîÛîú¸ü´Ö †Öò±Ìúß×ÃÖ®Öê¸ü´Ö ÛúÖ †ÖÙ£ÖÛú ´ÖÆü¢¾Ö ²ÖŸÖÖ‡‹ … 1 
 State the economic value of Saccharum officinarum in comparison to S. barberi. 
 
ÜÖÞ›ü – B 
SECTION – B 
6. ¯ÖÏÖê™üß®Ö ÃÖÓ¿»ÖêÂÖÞÖ ´Öë ¸üÖ‡²ÖÖê•ÖÌÖ‡´Ö †Öî¸ü ×®Ö´ÖÖì“Ö®Ö ÛúÖ¸üÛú Ûêú ÛúÖµÖÔ ²ÖŸÖÖ‡‹ … 2 
 State the functions of Ribozyme and release factor in protein synthesis respectively.  
 
7. ×®Ö´®Ö×»Ö×ÜÖŸÖ Ûêú ÛúÖµÖÔ ²ÖŸÖÖ‡‹ : 2 
 (a) cry 1AC •Öß®Ö  
 (b) RNA ¾µÖןÖÛú¸üÞÖ (RNAi) 
 Write the functions of  
 (a) cry 1AC gene 
 (b) RNA interference (RNAi) 
 
8.
    
 (a) CFC ÛúÖ ¯Öæ¸üÖ ®ÖÖ´Ö ×»Ö×ÜÖ‹ … 
 (b) µÖÆü †Öê•ÖÌÖê®Ö ÛúÖê ×ÛúÃÖ ¯ÖÏÛúÖ¸ü †ÖòŒÃÖß•Ö®Ö ´Öë ×®Ö´®ÖßÛéúŸÖ Ûú¸ü ¤êüŸÖÖ Æîü ? 2 
  
CFCs O
3
O
2
Earth
 
 (a) Expand CFC. 
 (b) How does it reduce ozone to oxygen ? 
Page 4


57/1 1 [P.T.O. 
 
 
 
 
¸üÖê»Ö ®ÖÓ. 
Roll No.  
 
 
 
•Öß¾Ö ×¾Ö–ÖÖ®Ö (ÃÖî¨üÖ×®ŸÖÛú) 
BIOLOGY (Theory)  
×®Ö¬ÖÖÔ׸üŸÖ ÃÖ´ÖµÖ  :    3 ‘ÖÓ™êü ] [ †×¬ÖÛúŸÖ´Ö †ÓÛú  : 70 
Time allowed : 3 hours ] [ Maximum Marks : 70 
 
ÃÖÖ´ÖÖ®µÖ ×®Ö¤ìü¿Ö    : : : :   
    (i) ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ¯ÖÖÑ“Ö ÜÖÞ›üÖë ´Öë 26 ¯ÖÏ¿®Ö פü‹ ÝÖ‹ Æïü … ÃÖ³Öß ¯ÖÏ¿®Ö †×®Ö¾ÖÖµÖÔ Æïü … 
 (ii) ÜÖÞ›ü – A ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 1 ÃÖê 5 †×ŸÖ »Ö‘Öã-ˆ¢Ö¸üßµÖ ¯ÖÏ¿®Ö Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö 1 †ÓÛú ÛúÖ Æîü …  
 (iii) ÜÖÞ›ü – B ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 6 ÃÖê 10 »Ö‘Öã-ˆ¢Ö¸üßµÖ ¯ÖÏ¿®Ö I ¯ÖÏÛúÖ¸ü Ûêú Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö 2 †ÓÛúÖë ÛúÖ Æîü …  
 (iv) ÜÖÞ›ü – C ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 11 ÃÖê 22 »Ö‘Öã-ˆ¢Ö¸üßµÖü ¯ÖÏ¿®Ö II ¯ÖÏÛúÖ¸ü Ûêú Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö 3 †ÓÛúÖë ÛúÖ Æîü …  
 (v) ÜÖÞ›ü – D ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 23 ´Öæ»µÖ †Ö¬ÖÖ׸üŸÖ ¯ÖÏ¿®Ö 4 †ÓÛúÖë ÛúÖ Æîü …  
 (vi) ÜÖÞ›ü – E ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 24 ÃÖê 26 ¤üß‘ÖÔ-ˆ¢Ö¸üßµÖ ¯ÖÏ¿®Ö Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö 5 †ÓÛúÖë ÛúÖ Æîü …  
 (vii) ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ÃÖ´ÖÝÖÏ ¯Ö¸ü ÛúÖê‡Ô ×¾ÖÛú»¯Ö ®ÖÆüà Æîü, ×±ú¸ü ³Öß 2 †ÓÛúÖë ¾ÖÖ»Öê ‹Ûú ¯ÖÏ¿®Ö ´Öë, 3 †ÓÛúÖë ¾ÖÖ»Öê ‹Ûú ¯ÖÏ¿®Ö ´Öë 
†Öî¸ü 5 †ÓÛúÖë ¾ÖÖ»Öê ÃÖ³Ößú ŸÖß®ÖÖë ¯ÖÏ¿®ÖÖë ´Öë ³Öߟָüß “ÖµÖ®Ö-×¾ÖÛú»¯Ö פü‹ ÝÖ‹ Æïü … ¯ÖÏŸµÖêÛú ¯Ö¸üßõÖÖ£Öá ÛúÖê ‹êÃÖê ¯ÖÏ¿®ÖÖë 
Ûêú ¤üÖê ×¾ÖÛú»¯ÖÖë ´Öë ÃÖê ÛúÖê‡Ô ‹Ûú ¯ÖÏ¿®Ö Æü»Ö Ûú¸ü®ÖÖ Æîü …  
 Series : SSO/C 
57/1
• Ûéú¯ÖµÖÖ •ÖÖÑ“Ö Ûú¸ü »Öë ×Ûú ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ´ÖãצüŸÖ ¯Öéšü 8 Æïü … 
• ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ¤üÖ×Æü®Öê ÆüÖ£Ö Ûúß †Öê¸ü פü‹ ÝÖ‹ ÛúÖê›ü ®Ö´²Ö¸ü ÛúÖê ”ûÖ¡Ö ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ Ûêú ´ÖãÜÖ-¯Öéšü ¯Ö¸ü ×»ÖÜÖë …  
• Ûéú¯ÖµÖÖ •ÖÖÑ“Ö Ûú¸ü »Öë ×Ûú ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë 26 ¯ÖÏ¿®Ö Æïü …  
• Ûéú¯ÖµÖÖ ¯ÖÏ¿®Ö ÛúÖ ˆ¢Ö¸ü ×»ÖÜÖ®ÖÖ ¿Öãºþ Ûú¸ü®Öê ÃÖê ¯ÖÆü»Öê, ¯ÖÏ¿®Ö ÛúÖ ÛÎú´ÖÖÓÛú †¾Ö¿µÖ ×»ÖÜÖë …  
• ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖê ¯ÖœÌü®Öê Ûêú ×»Ö‹ 15 ×´Ö®Ö™ü ÛúÖ ÃÖ´ÖµÖ ×¤üµÖÖ ÝÖµÖÖ Æîü … ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖ ×¾ÖŸÖ¸üÞÖ ¯Öæ¾ÖÖÔÆËü®Ö ´Öë 10.15 ²Ö•Öê 
×ÛúµÖÖ •ÖÖµÖêÝÖÖ … 10.15 ²Ö•Öê ÃÖê 10.30 ²Ö•Öê ŸÖÛú ”ûÖ¡Ö Ûêú¾Ö»Ö ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖê ¯ÖœÌëüÝÖê †Öî¸ü ‡ÃÖ †¾Ö×¬Ö Ûêú ¤üÖî¸üÖ®Ö ¾Öê 
ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ ¯Ö¸ü ÛúÖê‡Ô ˆ¢Ö¸ü ®ÖÆüà ×»ÖÜÖëÝÖê …  
• Please check that this question paper contains 8 printed pages. 
• Code number given on the right hand side of the question paper should be written on the 
title page of the answer-book by the candidate. 
• Please check that this question paper contains 26 questions. 
• Please write down the Serial Number of the question before attempting it. 
• 15 minute time has been allotted to read this question paper. The question paper will be 
distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the 
question paper only and will not write any answer on the answer-book during this period. 
ÛúÖê›ü ®ÖÓ. 
Code No.  
    
¯Ö¸üßõÖÖ£Öá ÛúÖê›ü ÛúÖê ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ Ûêú ´ÖãÜÖ-¯Öéšü 
¯Ö¸ü †¾Ö¿µÖ ×»ÖÜÖë … 
Candidates must write the Code on 
the title page of the answer-book. 
 
SET – 1 
57/1 2  
General Instructions :   
 (i) There are a total of 26 questions and five sections in the question paper.                     
All questions are compulsory. 
 (ii) Section A contains questions number 1 to 5, Very Short Answer type questions of       
1 mark each. 
 (iii) Section B contains questions number 6 to 10, Short Answer type I questions of         
2 marks each. 
 (iv) Section C contains questions number 11 to 22, Short Answer type II questions of             
3 marks each. 
 (v) Section D contains question number 23, Value Based Question of 4 marks. 
 (vi) Section E contains questions number 24 to 26, Long Answer type questions of         
5 marks each. 
 (vii) There is no overall choice in the question paper, however, an internal choice is 
provided in one question of 2 marks, one question of 3 marks and all the three 
questions of 5 marks. In these questions, an examinee is to attempt any one of the 
two given alternatives. 
 
ÜÖÞ›ü – A 
SECTION – A 
1. ˆ®Ö ¤üÖê ×¾Ö׿Ö™ü ÛúÖê›üÖê®ÖÖë ÛúÖê ²ÖŸÖÖ‡‹ •ÖÖê mRNA Ûúß ™ÒüÖÓÃÖ»Öê¿Ö®Ö»Ö ‡ÛúÖ‡Ô Ûêú ¤üÖê®ÖÖë ŸÖ¸ü±ú ×Ã£ÖŸÖ ÆüÖêŸÖê Æïü … 1 
 Write the two specific codons that a translational unit of mRNA is flanked by one on 
either sides. 
 
2. ×Ûú»Ö×®ÖµÖÖë †Öî¸ü Ûãú¢ÖÖë Ûêú ²Öß“Ö ¯ÖÖ‹ •ÖÖ®Öê ¾ÖÖ»Öß ¯ÖÖ¸üïÖ׸üÛú ×ÛÎúµÖÖ ×ÛúÃÖ ¯ÖÏÛúÖ¸ü Ûúß ÆüÖêŸÖß Æîü ? 1 
 State the type of interaction that exists between ticks and dogs. 
 
3. Œ»ÖÖ‡®Öê±Ìêú»™ü¸ü ØÃÖ›ÒüÖê´Ö ÃÖê ÝÖÏÃŸÖ ¾µÖ׌ŸÖµÖÖë ´Öë ¯ÖÖ‹ •ÖÖ®Öê ¾ÖÖ»Öê ÛÎúÖê´ÖÖêÃÖÖê´Öß (ÝÖãÞÖÃÖæ¡Öß) ¯ÖϳÖÖ¾Ö ²ÖŸÖÖ‡‹ … 1 
 Write the chromosomal  defect in individuals affected with Klinefelter’s syndrome. 
 
4.
  
 µÖÆüÖÑ ×¤ü‹ ÝÖ‹ ×“Ö¡Ö ÛúÖê ¯ÖÆü“ÖÖ×®Ö‹ ŸÖ£ÖÖ ˆÃÖ ÛúÖ×µÖÛú ³ÖÖÝÖ Ûúß “Ö“ÖÖÔ Ûúßו֋ •ÖÖê ˆÃÖê •Ö®Ö®Ö ´Öë ´Ö¤ü¤ü Ûú¸üŸÖÖ Æîü … 1 
57/1 3 [P.T.O. 
 Identify the picture and mention the vegetative part that helps it to propagate. 
 
5. ÃÖîÛîú¸ü´Ö ²ÖÖ¸ü²Öê¸üß Ûúß ŸÖã»Ö®ÖÖ ´Öë ÃÖîÛîú¸ü´Ö †Öò±Ìúß×ÃÖ®Öê¸ü´Ö ÛúÖ †ÖÙ£ÖÛú ´ÖÆü¢¾Ö ²ÖŸÖÖ‡‹ … 1 
 State the economic value of Saccharum officinarum in comparison to S. barberi. 
 
ÜÖÞ›ü – B 
SECTION – B 
6. ¯ÖÏÖê™üß®Ö ÃÖÓ¿»ÖêÂÖÞÖ ´Öë ¸üÖ‡²ÖÖê•ÖÌÖ‡´Ö †Öî¸ü ×®Ö´ÖÖì“Ö®Ö ÛúÖ¸üÛú Ûêú ÛúÖµÖÔ ²ÖŸÖÖ‡‹ … 2 
 State the functions of Ribozyme and release factor in protein synthesis respectively.  
 
7. ×®Ö´®Ö×»Ö×ÜÖŸÖ Ûêú ÛúÖµÖÔ ²ÖŸÖÖ‡‹ : 2 
 (a) cry 1AC •Öß®Ö  
 (b) RNA ¾µÖןÖÛú¸üÞÖ (RNAi) 
 Write the functions of  
 (a) cry 1AC gene 
 (b) RNA interference (RNAi) 
 
8.
    
 (a) CFC ÛúÖ ¯Öæ¸üÖ ®ÖÖ´Ö ×»Ö×ÜÖ‹ … 
 (b) µÖÆü †Öê•ÖÌÖê®Ö ÛúÖê ×ÛúÃÖ ¯ÖÏÛúÖ¸ü †ÖòŒÃÖß•Ö®Ö ´Öë ×®Ö´®ÖßÛéúŸÖ Ûú¸ü ¤êüŸÖÖ Æîü ? 2 
  
CFCs O
3
O
2
Earth
 
 (a) Expand CFC. 
 (b) How does it reduce ozone to oxygen ? 
57/1 4  
9. áÖß ´Öë ÛúÖò¯ÖÔÃÖ »µÖæ×™üµÖ´Ö Ûúß ŒµÖÖ ×®ÖµÖ×ŸÖ ÆüÖêŸÖß Æîü µÖפü †Ó›üÖÞÖã (i) ×®ÖÂÖê×“ÖŸÖ ÆüÖê •ÖÖŸÖÖ Æîü, µÖÖ (ii) ×®ÖÂÖê×“ÖŸÖ ®ÖÆüà     
ÆüÖêŸÖÖ ?    2 
†£Ö¾ÖÖ 
 ®Ö¸ü´Ö ®ÖÖ׸üµÖ»Ö Ûêú ¯ÖÖ®Öß †Öî¸ü ¯Ö׸ü¯ÖŒ¾Ö ®ÖÖ׸üµÖ»Ö Ûúß ´ÖÖê™üß, ÃÖ±êú¤ü ×ÝÖ¸üß ´Öë †ÓŸÖ¸ü ²ÖŸÖÖ‡‹ ŸÖ£ÖÖ ˆ®Ö´Öë ÝÖãÞÖÃÖæ¡Ö-ÃÖÓܵÖÖ ³Öß 
²ÖŸÖÖ‡‹ …  
 What happens to corpus luteum in human female if the ovum is (i) fertilized, (ii) not 
fertilized ? 
OR 
 Write the difference between the tender coconut water and the thick, white kernel of a 
mature coconut and their ploidy. 
 
10. ²ÖÖêÝÖê®Ö×¾Ö×»Ö†Ö Ûêú ÛúÖÑ™êü †Öî¸ü ÛãúÛú¸üüײ֙ü Ûêú ¯ÖÏŸÖÖ®Ö (™ëü×›Òü»Ö) Ûêú ²Öß“Ö ÛúÖ¸üÞÖ ²ÖŸÖÖŸÖê Æãü‹ ×¾ÖÛúÖÃÖßµÖ ÃÖÓ²ÖÓ¬Ö ²ÖŸÖÖ‡‹ … 2 
 State the evolutionary relationship giving reasons between the thorn of Bougainvillea 
and tendril of cucurbit.  
                
 
ÜÖÞ›ü – C 
SECTION – C 
11. ´ÖÖ®Ö¾ÖÖë ´Öë ADA ®µÖæ®ÖŸÖÖ ÛúÖ ÛúÖ¸üÞÖ ²ÖŸÖÖ‡‹ … †Ö®Öã¾ÖÓ׿ÖÛú ‡Ó•Öß×®ÖµÖظüÝÖ ÃÖê ‡ÃÖÛêú ¸üÖê×ÝÖµÖÖë ÛúÖê ŒµÖÖ ´Ö¤ü¤ü ×´Ö»Öß  Æîü ? 3 
 Mention the cause of ADA deficiency in humans. How has genetic engineering helped 
patients suffering from it ? 
 
12. ¿ÖÆü¸üß õÖê¡ÖÖë ´Öë ¯ÖêµÖ•Ö»Ö Ûúß ÃÖ´ÖõÖÖ ÛúÖ ¯ÖÏ´ÖãÜÖ ÛúÖ¸üÞÖ µÖÆüß Æîü ×Ûú Æü´Ö †¯Ö®Öê •Ö»Ö-×®ÖÛúÖµÖÖë Ûúß ÃÖã¸üõÖÖ Ûú¸ü®Öê ´Öë 
†ÃÖ±ú»Ö ¸üÆêü Æïü … ÃÖ´Ö—ÖÖ Ûú¸ü ²ÖŸÖÖ‡‹ ×Ûú ¦ãüŸÖ ÝÖ×ŸÖ ÃÖê ÆüÖê®Öê ¾ÖÖ»ÖÖ ÃÖã¯ÖÖêÂÖÞÖ Æü´ÖÖ¸êü •Ö»Ö-×®ÖÛúÖµÖÖë ÛúÖê †¾Ö¹ý¨ü Ûú¸ü ¤êüŸÖÖ 
Æîü וÖÃÖÛêú ÛúÖ¸üÞÖ ˆ®ÖÛúß †ÖòŒÃÖß•Ö®Ö ¤üÖµÖß õÖ´ÖŸÖÖ ÃÖ´ÖÖ¯ŸÖ ÆüÖê •ÖÖŸÖß Æîü … 3 
 Drinking water problem in our urban areas is caused mainly because we fail to protect 
our water bodies. Explain how accelerated eutrophication chokes our water bodies to 
death. 
 
13.  (a) ÃÖã¤ü´Ö †Öî¸ü ¤ãü¤Ôü´Ö †²ÖãÔ¤üÖë (™ü¶æ´Ö¸üÖë) ´Öë †ÓŸÖ¸ü ²ÖŸÖÖ‡‹ … 
 (b) ÆüÖ»Ö Æüß •Ö®´Öê ²Ö““Öê Ûêú ×»Ö‹ ®Ö¾Ö¤ãüÝ¬Ö ŒµÖÖ ‹Ûú ¾Ö¸ü¤üÖ®Ö ÆüÖêŸÖÖ Æîü ?  3  
 (a) Differentiate between benign and malignant tumours. 
 (b) Why is colostrum a boon to the newborn baby ? 
Page 5


57/1 1 [P.T.O. 
 
 
 
 
¸üÖê»Ö ®ÖÓ. 
Roll No.  
 
 
 
•Öß¾Ö ×¾Ö–ÖÖ®Ö (ÃÖî¨üÖ×®ŸÖÛú) 
BIOLOGY (Theory)  
×®Ö¬ÖÖÔ׸üŸÖ ÃÖ´ÖµÖ  :    3 ‘ÖÓ™êü ] [ †×¬ÖÛúŸÖ´Ö †ÓÛú  : 70 
Time allowed : 3 hours ] [ Maximum Marks : 70 
 
ÃÖÖ´ÖÖ®µÖ ×®Ö¤ìü¿Ö    : : : :   
    (i) ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ¯ÖÖÑ“Ö ÜÖÞ›üÖë ´Öë 26 ¯ÖÏ¿®Ö פü‹ ÝÖ‹ Æïü … ÃÖ³Öß ¯ÖÏ¿®Ö †×®Ö¾ÖÖµÖÔ Æïü … 
 (ii) ÜÖÞ›ü – A ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 1 ÃÖê 5 †×ŸÖ »Ö‘Öã-ˆ¢Ö¸üßµÖ ¯ÖÏ¿®Ö Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö 1 †ÓÛú ÛúÖ Æîü …  
 (iii) ÜÖÞ›ü – B ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 6 ÃÖê 10 »Ö‘Öã-ˆ¢Ö¸üßµÖ ¯ÖÏ¿®Ö I ¯ÖÏÛúÖ¸ü Ûêú Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö 2 †ÓÛúÖë ÛúÖ Æîü …  
 (iv) ÜÖÞ›ü – C ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 11 ÃÖê 22 »Ö‘Öã-ˆ¢Ö¸üßµÖü ¯ÖÏ¿®Ö II ¯ÖÏÛúÖ¸ü Ûêú Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö 3 †ÓÛúÖë ÛúÖ Æîü …  
 (v) ÜÖÞ›ü – D ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 23 ´Öæ»µÖ †Ö¬ÖÖ׸üŸÖ ¯ÖÏ¿®Ö 4 †ÓÛúÖë ÛúÖ Æîü …  
 (vi) ÜÖÞ›ü – E ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 24 ÃÖê 26 ¤üß‘ÖÔ-ˆ¢Ö¸üßµÖ ¯ÖÏ¿®Ö Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö 5 †ÓÛúÖë ÛúÖ Æîü …  
 (vii) ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ÃÖ´ÖÝÖÏ ¯Ö¸ü ÛúÖê‡Ô ×¾ÖÛú»¯Ö ®ÖÆüà Æîü, ×±ú¸ü ³Öß 2 †ÓÛúÖë ¾ÖÖ»Öê ‹Ûú ¯ÖÏ¿®Ö ´Öë, 3 †ÓÛúÖë ¾ÖÖ»Öê ‹Ûú ¯ÖÏ¿®Ö ´Öë 
†Öî¸ü 5 †ÓÛúÖë ¾ÖÖ»Öê ÃÖ³Ößú ŸÖß®ÖÖë ¯ÖÏ¿®ÖÖë ´Öë ³Öߟָüß “ÖµÖ®Ö-×¾ÖÛú»¯Ö פü‹ ÝÖ‹ Æïü … ¯ÖÏŸµÖêÛú ¯Ö¸üßõÖÖ£Öá ÛúÖê ‹êÃÖê ¯ÖÏ¿®ÖÖë 
Ûêú ¤üÖê ×¾ÖÛú»¯ÖÖë ´Öë ÃÖê ÛúÖê‡Ô ‹Ûú ¯ÖÏ¿®Ö Æü»Ö Ûú¸ü®ÖÖ Æîü …  
 Series : SSO/C 
57/1
• Ûéú¯ÖµÖÖ •ÖÖÑ“Ö Ûú¸ü »Öë ×Ûú ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ´ÖãצüŸÖ ¯Öéšü 8 Æïü … 
• ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ¤üÖ×Æü®Öê ÆüÖ£Ö Ûúß †Öê¸ü פü‹ ÝÖ‹ ÛúÖê›ü ®Ö´²Ö¸ü ÛúÖê ”ûÖ¡Ö ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ Ûêú ´ÖãÜÖ-¯Öéšü ¯Ö¸ü ×»ÖÜÖë …  
• Ûéú¯ÖµÖÖ •ÖÖÑ“Ö Ûú¸ü »Öë ×Ûú ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë 26 ¯ÖÏ¿®Ö Æïü …  
• Ûéú¯ÖµÖÖ ¯ÖÏ¿®Ö ÛúÖ ˆ¢Ö¸ü ×»ÖÜÖ®ÖÖ ¿Öãºþ Ûú¸ü®Öê ÃÖê ¯ÖÆü»Öê, ¯ÖÏ¿®Ö ÛúÖ ÛÎú´ÖÖÓÛú †¾Ö¿µÖ ×»ÖÜÖë …  
• ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖê ¯ÖœÌü®Öê Ûêú ×»Ö‹ 15 ×´Ö®Ö™ü ÛúÖ ÃÖ´ÖµÖ ×¤üµÖÖ ÝÖµÖÖ Æîü … ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖ ×¾ÖŸÖ¸üÞÖ ¯Öæ¾ÖÖÔÆËü®Ö ´Öë 10.15 ²Ö•Öê 
×ÛúµÖÖ •ÖÖµÖêÝÖÖ … 10.15 ²Ö•Öê ÃÖê 10.30 ²Ö•Öê ŸÖÛú ”ûÖ¡Ö Ûêú¾Ö»Ö ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖê ¯ÖœÌëüÝÖê †Öî¸ü ‡ÃÖ †¾Ö×¬Ö Ûêú ¤üÖî¸üÖ®Ö ¾Öê 
ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ ¯Ö¸ü ÛúÖê‡Ô ˆ¢Ö¸ü ®ÖÆüà ×»ÖÜÖëÝÖê …  
• Please check that this question paper contains 8 printed pages. 
• Code number given on the right hand side of the question paper should be written on the 
title page of the answer-book by the candidate. 
• Please check that this question paper contains 26 questions. 
• Please write down the Serial Number of the question before attempting it. 
• 15 minute time has been allotted to read this question paper. The question paper will be 
distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the 
question paper only and will not write any answer on the answer-book during this period. 
ÛúÖê›ü ®ÖÓ. 
Code No.  
    
¯Ö¸üßõÖÖ£Öá ÛúÖê›ü ÛúÖê ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ Ûêú ´ÖãÜÖ-¯Öéšü 
¯Ö¸ü †¾Ö¿µÖ ×»ÖÜÖë … 
Candidates must write the Code on 
the title page of the answer-book. 
 
SET – 1 
57/1 2  
General Instructions :   
 (i) There are a total of 26 questions and five sections in the question paper.                     
All questions are compulsory. 
 (ii) Section A contains questions number 1 to 5, Very Short Answer type questions of       
1 mark each. 
 (iii) Section B contains questions number 6 to 10, Short Answer type I questions of         
2 marks each. 
 (iv) Section C contains questions number 11 to 22, Short Answer type II questions of             
3 marks each. 
 (v) Section D contains question number 23, Value Based Question of 4 marks. 
 (vi) Section E contains questions number 24 to 26, Long Answer type questions of         
5 marks each. 
 (vii) There is no overall choice in the question paper, however, an internal choice is 
provided in one question of 2 marks, one question of 3 marks and all the three 
questions of 5 marks. In these questions, an examinee is to attempt any one of the 
two given alternatives. 
 
ÜÖÞ›ü – A 
SECTION – A 
1. ˆ®Ö ¤üÖê ×¾Ö׿Ö™ü ÛúÖê›üÖê®ÖÖë ÛúÖê ²ÖŸÖÖ‡‹ •ÖÖê mRNA Ûúß ™ÒüÖÓÃÖ»Öê¿Ö®Ö»Ö ‡ÛúÖ‡Ô Ûêú ¤üÖê®ÖÖë ŸÖ¸ü±ú ×Ã£ÖŸÖ ÆüÖêŸÖê Æïü … 1 
 Write the two specific codons that a translational unit of mRNA is flanked by one on 
either sides. 
 
2. ×Ûú»Ö×®ÖµÖÖë †Öî¸ü Ûãú¢ÖÖë Ûêú ²Öß“Ö ¯ÖÖ‹ •ÖÖ®Öê ¾ÖÖ»Öß ¯ÖÖ¸üïÖ׸üÛú ×ÛÎúµÖÖ ×ÛúÃÖ ¯ÖÏÛúÖ¸ü Ûúß ÆüÖêŸÖß Æîü ? 1 
 State the type of interaction that exists between ticks and dogs. 
 
3. Œ»ÖÖ‡®Öê±Ìêú»™ü¸ü ØÃÖ›ÒüÖê´Ö ÃÖê ÝÖÏÃŸÖ ¾µÖ׌ŸÖµÖÖë ´Öë ¯ÖÖ‹ •ÖÖ®Öê ¾ÖÖ»Öê ÛÎúÖê´ÖÖêÃÖÖê´Öß (ÝÖãÞÖÃÖæ¡Öß) ¯ÖϳÖÖ¾Ö ²ÖŸÖÖ‡‹ … 1 
 Write the chromosomal  defect in individuals affected with Klinefelter’s syndrome. 
 
4.
  
 µÖÆüÖÑ ×¤ü‹ ÝÖ‹ ×“Ö¡Ö ÛúÖê ¯ÖÆü“ÖÖ×®Ö‹ ŸÖ£ÖÖ ˆÃÖ ÛúÖ×µÖÛú ³ÖÖÝÖ Ûúß “Ö“ÖÖÔ Ûúßו֋ •ÖÖê ˆÃÖê •Ö®Ö®Ö ´Öë ´Ö¤ü¤ü Ûú¸üŸÖÖ Æîü … 1 
57/1 3 [P.T.O. 
 Identify the picture and mention the vegetative part that helps it to propagate. 
 
5. ÃÖîÛîú¸ü´Ö ²ÖÖ¸ü²Öê¸üß Ûúß ŸÖã»Ö®ÖÖ ´Öë ÃÖîÛîú¸ü´Ö †Öò±Ìúß×ÃÖ®Öê¸ü´Ö ÛúÖ †ÖÙ£ÖÛú ´ÖÆü¢¾Ö ²ÖŸÖÖ‡‹ … 1 
 State the economic value of Saccharum officinarum in comparison to S. barberi. 
 
ÜÖÞ›ü – B 
SECTION – B 
6. ¯ÖÏÖê™üß®Ö ÃÖÓ¿»ÖêÂÖÞÖ ´Öë ¸üÖ‡²ÖÖê•ÖÌÖ‡´Ö †Öî¸ü ×®Ö´ÖÖì“Ö®Ö ÛúÖ¸üÛú Ûêú ÛúÖµÖÔ ²ÖŸÖÖ‡‹ … 2 
 State the functions of Ribozyme and release factor in protein synthesis respectively.  
 
7. ×®Ö´®Ö×»Ö×ÜÖŸÖ Ûêú ÛúÖµÖÔ ²ÖŸÖÖ‡‹ : 2 
 (a) cry 1AC •Öß®Ö  
 (b) RNA ¾µÖןÖÛú¸üÞÖ (RNAi) 
 Write the functions of  
 (a) cry 1AC gene 
 (b) RNA interference (RNAi) 
 
8.
    
 (a) CFC ÛúÖ ¯Öæ¸üÖ ®ÖÖ´Ö ×»Ö×ÜÖ‹ … 
 (b) µÖÆü †Öê•ÖÌÖê®Ö ÛúÖê ×ÛúÃÖ ¯ÖÏÛúÖ¸ü †ÖòŒÃÖß•Ö®Ö ´Öë ×®Ö´®ÖßÛéúŸÖ Ûú¸ü ¤êüŸÖÖ Æîü ? 2 
  
CFCs O
3
O
2
Earth
 
 (a) Expand CFC. 
 (b) How does it reduce ozone to oxygen ? 
57/1 4  
9. áÖß ´Öë ÛúÖò¯ÖÔÃÖ »µÖæ×™üµÖ´Ö Ûúß ŒµÖÖ ×®ÖµÖ×ŸÖ ÆüÖêŸÖß Æîü µÖפü †Ó›üÖÞÖã (i) ×®ÖÂÖê×“ÖŸÖ ÆüÖê •ÖÖŸÖÖ Æîü, µÖÖ (ii) ×®ÖÂÖê×“ÖŸÖ ®ÖÆüà     
ÆüÖêŸÖÖ ?    2 
†£Ö¾ÖÖ 
 ®Ö¸ü´Ö ®ÖÖ׸üµÖ»Ö Ûêú ¯ÖÖ®Öß †Öî¸ü ¯Ö׸ü¯ÖŒ¾Ö ®ÖÖ׸üµÖ»Ö Ûúß ´ÖÖê™üß, ÃÖ±êú¤ü ×ÝÖ¸üß ´Öë †ÓŸÖ¸ü ²ÖŸÖÖ‡‹ ŸÖ£ÖÖ ˆ®Ö´Öë ÝÖãÞÖÃÖæ¡Ö-ÃÖÓܵÖÖ ³Öß 
²ÖŸÖÖ‡‹ …  
 What happens to corpus luteum in human female if the ovum is (i) fertilized, (ii) not 
fertilized ? 
OR 
 Write the difference between the tender coconut water and the thick, white kernel of a 
mature coconut and their ploidy. 
 
10. ²ÖÖêÝÖê®Ö×¾Ö×»Ö†Ö Ûêú ÛúÖÑ™êü †Öî¸ü ÛãúÛú¸üüײ֙ü Ûêú ¯ÖÏŸÖÖ®Ö (™ëü×›Òü»Ö) Ûêú ²Öß“Ö ÛúÖ¸üÞÖ ²ÖŸÖÖŸÖê Æãü‹ ×¾ÖÛúÖÃÖßµÖ ÃÖÓ²ÖÓ¬Ö ²ÖŸÖÖ‡‹ … 2 
 State the evolutionary relationship giving reasons between the thorn of Bougainvillea 
and tendril of cucurbit.  
                
 
ÜÖÞ›ü – C 
SECTION – C 
11. ´ÖÖ®Ö¾ÖÖë ´Öë ADA ®µÖæ®ÖŸÖÖ ÛúÖ ÛúÖ¸üÞÖ ²ÖŸÖÖ‡‹ … †Ö®Öã¾ÖÓ׿ÖÛú ‡Ó•Öß×®ÖµÖظüÝÖ ÃÖê ‡ÃÖÛêú ¸üÖê×ÝÖµÖÖë ÛúÖê ŒµÖÖ ´Ö¤ü¤ü ×´Ö»Öß  Æîü ? 3 
 Mention the cause of ADA deficiency in humans. How has genetic engineering helped 
patients suffering from it ? 
 
12. ¿ÖÆü¸üß õÖê¡ÖÖë ´Öë ¯ÖêµÖ•Ö»Ö Ûúß ÃÖ´ÖõÖÖ ÛúÖ ¯ÖÏ´ÖãÜÖ ÛúÖ¸üÞÖ µÖÆüß Æîü ×Ûú Æü´Ö †¯Ö®Öê •Ö»Ö-×®ÖÛúÖµÖÖë Ûúß ÃÖã¸üõÖÖ Ûú¸ü®Öê ´Öë 
†ÃÖ±ú»Ö ¸üÆêü Æïü … ÃÖ´Ö—ÖÖ Ûú¸ü ²ÖŸÖÖ‡‹ ×Ûú ¦ãüŸÖ ÝÖ×ŸÖ ÃÖê ÆüÖê®Öê ¾ÖÖ»ÖÖ ÃÖã¯ÖÖêÂÖÞÖ Æü´ÖÖ¸êü •Ö»Ö-×®ÖÛúÖµÖÖë ÛúÖê †¾Ö¹ý¨ü Ûú¸ü ¤êüŸÖÖ 
Æîü וÖÃÖÛêú ÛúÖ¸üÞÖ ˆ®ÖÛúß †ÖòŒÃÖß•Ö®Ö ¤üÖµÖß õÖ´ÖŸÖÖ ÃÖ´ÖÖ¯ŸÖ ÆüÖê •ÖÖŸÖß Æîü … 3 
 Drinking water problem in our urban areas is caused mainly because we fail to protect 
our water bodies. Explain how accelerated eutrophication chokes our water bodies to 
death. 
 
13.  (a) ÃÖã¤ü´Ö †Öî¸ü ¤ãü¤Ôü´Ö †²ÖãÔ¤üÖë (™ü¶æ´Ö¸üÖë) ´Öë †ÓŸÖ¸ü ²ÖŸÖÖ‡‹ … 
 (b) ÆüÖ»Ö Æüß •Ö®´Öê ²Ö““Öê Ûêú ×»Ö‹ ®Ö¾Ö¤ãüÝ¬Ö ŒµÖÖ ‹Ûú ¾Ö¸ü¤üÖ®Ö ÆüÖêŸÖÖ Æîü ?  3  
 (a) Differentiate between benign and malignant tumours. 
 (b) Why is colostrum a boon to the newborn baby ? 
57/1 5 [P.T.O. 
14.
 
X
Y
Z
 
 ˆ¯Ö¸üÖêŒŸÖ †Ö¸êüÜÖ ´Öë áÖß Ûêú •Ö®Ö®Ö-ŸÖÓ¡Ö ÛúÖ ‹Ûú ³ÖÖÝÖ ¤ü¿ÖÖÔµÖÖ ÝÖµÖÖ Æîü … 
 (a) ˆ®Ö µÖãÝ´ÖÛú ÛúÖê׿ÖÛúÖ†Öë ÛúÖ ®ÖÖ´Ö ²ÖŸÖÖ‡‹ ו֮Æëü ÆüÖ»Ö Æüß •Ö®´Öß ²Ö““Öß ´Öë ÃÖê ×®ÖÛúÖ»Ö ×»Ö‹ ÝÖ‹ ³ÖÖÝÖ ‘X’ ÃÖê 
¯ÖÏÖ¯ŸÖ ×ÛúµÖÖ ÝÖµÖÖ ÆüÖêÝÖÖ … 
 (b) ‘Y’ ³ÖÖÝÖ ÛúÖ ®ÖÖ´Ö ²ÖŸÖÖ‡‹ ŸÖ£ÖÖ ˆÃÖÛúÖ ÛúÖµÖÔ ³Öß ²ÖŸÖÖ‡‹ … 
 (c) ‘Z’ ³ÖÖÝÖ ÛúÖ ®ÖÖ´Ö ²ÖŸÖÖ‡‹ ŸÖ£ÖÖ µÖÆüÖÑ ÆüÖê®Öê ¾ÖÖ»Öß ‘Ö™ü®ÖÖ†Öë Ûúß “Ö“ÖÖÔ Ûúßו֋ … 3 
  
X
Y
Z
 
 This diagram above shows a part of the human female reproductive system. 
 (a) Name the gamete cells that would be present in ‘X’ if taken from a newborn baby. 
 (b) Name ‘Y’ and write its function. 
 (c) Name ‘Z’ and write the events that take place here.