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Page 1
57/1/2 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 – Ûú ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 1 ÃÖê 5 †×ŸÖ »Ö‘Öã¢Ö¸ü ¯ÖÏ¿®Ö Æïü … ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö ‹Ûú †ÓÛú ÛúÖ Æîü …
(iii) ÜÖÞ›ü – ÜÖ ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 6 ÃÖê 10 »Ö‘Öã¢Ö¸ü ¯ÖÏ¿®Ö I ¯ÖÏÛúÖ¸ü Ûêú Æïü … ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö ¤üÖê †ÓÛú ÛúÖ Æîü …
(iv) ÜÖÞ›ü – ÝÖ ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 11 ÃÖê 22 »Ö‘Öã¢Ö¸ü ¯ÖÏ¿®Ö II ¯ÖÏÛúÖ¸ü Ûêú Æïü … ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö ŸÖß®Ö †ÓÛú ÛúÖ Æîü …
(v) ÜÖÞ›ü – ‘Ö ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 23 ´Ö滵ÖÖ¬ÖÖ׸üŸÖ ¯ÖÏ¿®Ö “ÖÖ¸ü †ÓÛúÖë ÛúÖ Æîü …
(vi) ÜÖÞ›ü – ’û ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 24 ÃÖê 26 ¤üß‘ÖÔ ˆ¢Ö¸ü ¯ÖÏ¿®Ö Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö ¯ÖÖÑ“Ö †ÓÛú ÛúÖ Æîü …
(vii) ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ÛúÖê‡Ô ÃÖ´ÖÝÖÏ ¯Ö¸ü ×¾ÖÛú»¯Ö ®ÖÆüà Æîü, ×±ú¸ü ³Öß ¤üÖê †ÓÛú Ûêú ‹Ûú ¯ÖÏ¿®Ö, ŸÖß®Ö †ÓÛú Ûêú ‹Ûú ¯ÖÏ¿®Ö †Öî¸ü
¯ÖÖÑ“Ö †ÓÛúÖë Ûêú ŸÖß®Ö ¯ÖÏ¿®ÖÖë Ûêú ³Öߟָüß ×¾ÖÛú»¯Ö פü‹ ÝÖ‹ Æïü … ¯ÖÏŸµÖêÛú ¯Ö¸üßõÖÖ£Öá ÛúÖê ‹êÃÖê ¯ÖÏ¿®ÖÖë Ûêú ¤üÖê ×¾ÖÛú»¯ÖÖë ´Öë
ÃÖê ‹Ûú ¯ÖÏ¿®Ö Æü»Ö Ûú¸ü®ÖÖ Æîü …
Series : SSO/1/C
57/1/2
• 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 minutes 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 – 2
Page 2
57/1/2 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 – Ûú ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 1 ÃÖê 5 †×ŸÖ »Ö‘Öã¢Ö¸ü ¯ÖÏ¿®Ö Æïü … ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö ‹Ûú †ÓÛú ÛúÖ Æîü …
(iii) ÜÖÞ›ü – ÜÖ ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 6 ÃÖê 10 »Ö‘Öã¢Ö¸ü ¯ÖÏ¿®Ö I ¯ÖÏÛúÖ¸ü Ûêú Æïü … ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö ¤üÖê †ÓÛú ÛúÖ Æîü …
(iv) ÜÖÞ›ü – ÝÖ ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 11 ÃÖê 22 »Ö‘Öã¢Ö¸ü ¯ÖÏ¿®Ö II ¯ÖÏÛúÖ¸ü Ûêú Æïü … ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö ŸÖß®Ö †ÓÛú ÛúÖ Æîü …
(v) ÜÖÞ›ü – ‘Ö ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 23 ´Ö滵ÖÖ¬ÖÖ׸üŸÖ ¯ÖÏ¿®Ö “ÖÖ¸ü †ÓÛúÖë ÛúÖ Æîü …
(vi) ÜÖÞ›ü – ’û ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 24 ÃÖê 26 ¤üß‘ÖÔ ˆ¢Ö¸ü ¯ÖÏ¿®Ö Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö ¯ÖÖÑ“Ö †ÓÛú ÛúÖ Æîü …
(vii) ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ÛúÖê‡Ô ÃÖ´ÖÝÖÏ ¯Ö¸ü ×¾ÖÛú»¯Ö ®ÖÆüà Æîü, ×±ú¸ü ³Öß ¤üÖê †ÓÛú Ûêú ‹Ûú ¯ÖÏ¿®Ö, ŸÖß®Ö †ÓÛú Ûêú ‹Ûú ¯ÖÏ¿®Ö †Öî¸ü
¯ÖÖÑ“Ö †ÓÛúÖë Ûêú ŸÖß®Ö ¯ÖÏ¿®ÖÖë Ûêú ³Öߟָüß ×¾ÖÛú»¯Ö פü‹ ÝÖ‹ Æïü … ¯ÖÏŸµÖêÛú ¯Ö¸üßõÖÖ£Öá ÛúÖê ‹êÃÖê ¯ÖÏ¿®ÖÖë Ûêú ¤üÖê ×¾ÖÛú»¯ÖÖë ´Öë
ÃÖê ‹Ûú ¯ÖÏ¿®Ö Æü»Ö Ûú¸ü®ÖÖ Æîü …
Series : SSO/1/C
57/1/2
• 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 minutes 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 – 2
57/1/2 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 question number 1 to 5, Very Short Answer type questions of
one mark each.
(iii) Section B contains question number 6 to 10, Short Answer type I questions of two
marks each.
(iv) Section C contains question number 11 to 22, Short Answer type II questions of
three marks each.
(v) Section D contains question number 23, Value Based Question of four marks.
(vi) Section E contains question number 24 to 26, Long Answer type questions of five
marks each.
(vii) There is no overall choice in the question paper, however, an internal choice is
provided in one question of two marks, one question of three marks and all three
questions of five marks. An examinee is to attempt any one of the questions out of
the two given in the question paper with the same question number.
ÜÖÞ›ü – Ûú
SECTION – A
1. DNA Ûúß ŸÖã»Ö®ÖÖ ´Öë RNA ŒµÖÖë †×¬ÖÛú †×³Ö×ÛÎúµÖÖ¿Öᯙ ÆüÖêŸÖÖ Æîü ? 1
Why is RNA more reactive in comparison to DNA ?
2. “ÖæÂÖÛú ´Ö”û»Öß †Öî¸ü ¿ÖÖÛÔú Ûêú ²Öß“Ö ¯ÖÖ‹ •ÖÖ®Öê ¾ÖÖ»Öß ¯ÖÖ¸üïÖ׸üÛú ×ÛÎúµÖÖ ÛúÖê ŒµÖÖ ®ÖÖ´Ö ×¤üµÖÖ •ÖÖŸÖÖ Æîü ? 1
Name the interaction that exists between sucker fish and shark.
3.
µÖÆüÖÑ ×¤ü‹ ÝÖ‹ ¤üÖê ד֡ÖÖë ´Öë ¯Öî¯Öê¾Ö¸ü (A) †Öî¸ü ´ÖÖ‡Ûêú×»ÖµÖÖ (B) Ûêú ¯Öã¯ÖÖë Ûêú •ÖÖµÖÖÓÝÖ (áÖßÛêúÃÖ¸ü) ¤ü¿ÖÖÔ‹ ÝÖ‹ Æïü … ‡®ÖÛêú
†Ó›üÖ¿ÖµÖÖë Ûúß ÃÖÓ¸ü“Ö®ÖÖ ´Öë †ÓŸÖ¸ü ²ÖŸÖÖ‡‹ … 1
Page 3
57/1/2 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 – Ûú ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 1 ÃÖê 5 †×ŸÖ »Ö‘Öã¢Ö¸ü ¯ÖÏ¿®Ö Æïü … ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö ‹Ûú †ÓÛú ÛúÖ Æîü …
(iii) ÜÖÞ›ü – ÜÖ ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 6 ÃÖê 10 »Ö‘Öã¢Ö¸ü ¯ÖÏ¿®Ö I ¯ÖÏÛúÖ¸ü Ûêú Æïü … ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö ¤üÖê †ÓÛú ÛúÖ Æîü …
(iv) ÜÖÞ›ü – ÝÖ ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 11 ÃÖê 22 »Ö‘Öã¢Ö¸ü ¯ÖÏ¿®Ö II ¯ÖÏÛúÖ¸ü Ûêú Æïü … ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö ŸÖß®Ö †ÓÛú ÛúÖ Æîü …
(v) ÜÖÞ›ü – ‘Ö ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 23 ´Ö滵ÖÖ¬ÖÖ׸üŸÖ ¯ÖÏ¿®Ö “ÖÖ¸ü †ÓÛúÖë ÛúÖ Æîü …
(vi) ÜÖÞ›ü – ’û ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 24 ÃÖê 26 ¤üß‘ÖÔ ˆ¢Ö¸ü ¯ÖÏ¿®Ö Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö ¯ÖÖÑ“Ö †ÓÛú ÛúÖ Æîü …
(vii) ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ÛúÖê‡Ô ÃÖ´ÖÝÖÏ ¯Ö¸ü ×¾ÖÛú»¯Ö ®ÖÆüà Æîü, ×±ú¸ü ³Öß ¤üÖê †ÓÛú Ûêú ‹Ûú ¯ÖÏ¿®Ö, ŸÖß®Ö †ÓÛú Ûêú ‹Ûú ¯ÖÏ¿®Ö †Öî¸ü
¯ÖÖÑ“Ö †ÓÛúÖë Ûêú ŸÖß®Ö ¯ÖÏ¿®ÖÖë Ûêú ³Öߟָüß ×¾ÖÛú»¯Ö פü‹ ÝÖ‹ Æïü … ¯ÖÏŸµÖêÛú ¯Ö¸üßõÖÖ£Öá ÛúÖê ‹êÃÖê ¯ÖÏ¿®ÖÖë Ûêú ¤üÖê ×¾ÖÛú»¯ÖÖë ´Öë
ÃÖê ‹Ûú ¯ÖÏ¿®Ö Æü»Ö Ûú¸ü®ÖÖ Æîü …
Series : SSO/1/C
57/1/2
• 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 minutes 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 – 2
57/1/2 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 question number 1 to 5, Very Short Answer type questions of
one mark each.
(iii) Section B contains question number 6 to 10, Short Answer type I questions of two
marks each.
(iv) Section C contains question number 11 to 22, Short Answer type II questions of
three marks each.
(v) Section D contains question number 23, Value Based Question of four marks.
(vi) Section E contains question number 24 to 26, Long Answer type questions of five
marks each.
(vii) There is no overall choice in the question paper, however, an internal choice is
provided in one question of two marks, one question of three marks and all three
questions of five marks. An examinee is to attempt any one of the questions out of
the two given in the question paper with the same question number.
ÜÖÞ›ü – Ûú
SECTION – A
1. DNA Ûúß ŸÖã»Ö®ÖÖ ´Öë RNA ŒµÖÖë †×¬ÖÛú †×³Ö×ÛÎúµÖÖ¿Öᯙ ÆüÖêŸÖÖ Æîü ? 1
Why is RNA more reactive in comparison to DNA ?
2. “ÖæÂÖÛú ´Ö”û»Öß †Öî¸ü ¿ÖÖÛÔú Ûêú ²Öß“Ö ¯ÖÖ‹ •ÖÖ®Öê ¾ÖÖ»Öß ¯ÖÖ¸üïÖ׸üÛú ×ÛÎúµÖÖ ÛúÖê ŒµÖÖ ®ÖÖ´Ö ×¤üµÖÖ •ÖÖŸÖÖ Æîü ? 1
Name the interaction that exists between sucker fish and shark.
3.
µÖÆüÖÑ ×¤ü‹ ÝÖ‹ ¤üÖê ד֡ÖÖë ´Öë ¯Öî¯Öê¾Ö¸ü (A) †Öî¸ü ´ÖÖ‡Ûêú×»ÖµÖÖ (B) Ûêú ¯Öã¯ÖÖë Ûêú •ÖÖµÖÖÓÝÖ (áÖßÛêúÃÖ¸ü) ¤ü¿ÖÖÔ‹ ÝÖ‹ Æïü … ‡®ÖÛêú
†Ó›üÖ¿ÖµÖÖë Ûúß ÃÖÓ¸ü“Ö®ÖÖ ´Öë †ÓŸÖ¸ü ²ÖŸÖÖ‡‹ … 1
57/1/2 3 [P.T.O.
These pictures show the gynaeceum of (A) Papaver and (B) Michellia flowers. Write
the difference in the structure of their ovaries.
4. ¯ÖÏןָüõÖÖ Ûêú ÃÖÓ¤ü³ÖÔ ´Öë ´ÖÖê®ÖÖêÃÖÖ‡™ü ¯ÖÏÛúÖ¸ü Ûúß ÃÖ±êú¤ü ¹ý׬ָü ÛúÖê׿ÖÛúÖ ÛúÖê ÛúÖê׿ÖÛúßµÖ †¾Ö¸üÖê¬Ö ŒµÖÖë ´ÖÖ®ÖÖ •ÖÖŸÖÖ Æîü ? 1
In what way is monocyte a cellular barrier with reference to immunity ?
5. ™ü®ÖÔ¸ü ØÃÖ›ÒüÖê´Ö Ûêú ÛÎúÖê´ÖÖêÃÖÖê´ÖßµÖ ×¾ÖÛúÖ¸ü ŒµÖÖ Æïü ? ²ÖŸÖÖ‡‹ … 1
State the chromosomal defect in individuals with Turner’s syndrome.
ÜÖÞ›ü – ÜÖ
SECTION – B
6. ‹Ûú ×®Ö:ÃÖÓŸÖÖ®Ö ¤ü´¯Ö×ŸÖ ‘™êüÙü ™ËüµÖæ²Ö ²Öê²Öß’ ¯ÖÏÖêÝÖÏÖ´Ö Ûêú ×»Ö‹ ¸üÖ•ÖÌß ÆüÖê ÝÖ‹ Æïü … ÝÖ³ÖÔ¬ÖÖ¸üÞÖ Ûú¸ü®Öê Ûêú ×»Ö‹ ‡ÃÖ ¯Ö¨ü×ŸÖ ´Öë
†¯Ö®ÖÖ‹ •ÖÖ®Öê ¾ÖÖ»Öê ´Öæ»Ö³ÖæŸÖ “Ö¸üÞÖÖë Ûúß ÃÖæ“Öß ²Ö®ÖÖ‡‹ … 2
†£Ö¾ÖÖ
×®Ö´®Ö×»Ö×ÜÖŸÖ Ûêú ÛúÖµÖÔ ²ÖŸÖÖ‡‹ :
(a) ¯ÖÖ¸ü¤ü¿Öá †Ó›üÖ¾Ö¸üÞÖ
(b) ´Öæ»ÖÖÓÛãú¸-“ÖÖê»Ö
A childless couple has agreed for a test tube baby programme. List only the basic steps
the procedure would involve to conceive the baby.
OR
Mention the function of
(a) Zona pellusida
(b) Coleorhiza
7. ‹Ûú ˆ¤üÖÆü¸üÞÖ ¤êüŸÖê Æãü‹ ²ÖŸÖÖ‡‹ ×Ûú ×¾ÖÛúÃÖßµÖ ÃÖ´Ö•ÖÖŸÖŸÖÖ ×ÛúÃÖ ¯Ö¸ü †Ö¬ÖÖ׸üŸÖ ÆüÖêŸÖß Æîü … 2
Explain with the help of an example the type of evolution homology is based on.
Page 4
57/1/2 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 – Ûú ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 1 ÃÖê 5 †×ŸÖ »Ö‘Öã¢Ö¸ü ¯ÖÏ¿®Ö Æïü … ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö ‹Ûú †ÓÛú ÛúÖ Æîü …
(iii) ÜÖÞ›ü – ÜÖ ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 6 ÃÖê 10 »Ö‘Öã¢Ö¸ü ¯ÖÏ¿®Ö I ¯ÖÏÛúÖ¸ü Ûêú Æïü … ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö ¤üÖê †ÓÛú ÛúÖ Æîü …
(iv) ÜÖÞ›ü – ÝÖ ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 11 ÃÖê 22 »Ö‘Öã¢Ö¸ü ¯ÖÏ¿®Ö II ¯ÖÏÛúÖ¸ü Ûêú Æïü … ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö ŸÖß®Ö †ÓÛú ÛúÖ Æîü …
(v) ÜÖÞ›ü – ‘Ö ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 23 ´Ö滵ÖÖ¬ÖÖ׸üŸÖ ¯ÖÏ¿®Ö “ÖÖ¸ü †ÓÛúÖë ÛúÖ Æîü …
(vi) ÜÖÞ›ü – ’û ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 24 ÃÖê 26 ¤üß‘ÖÔ ˆ¢Ö¸ü ¯ÖÏ¿®Ö Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö ¯ÖÖÑ“Ö †ÓÛú ÛúÖ Æîü …
(vii) ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ÛúÖê‡Ô ÃÖ´ÖÝÖÏ ¯Ö¸ü ×¾ÖÛú»¯Ö ®ÖÆüà Æîü, ×±ú¸ü ³Öß ¤üÖê †ÓÛú Ûêú ‹Ûú ¯ÖÏ¿®Ö, ŸÖß®Ö †ÓÛú Ûêú ‹Ûú ¯ÖÏ¿®Ö †Öî¸ü
¯ÖÖÑ“Ö †ÓÛúÖë Ûêú ŸÖß®Ö ¯ÖÏ¿®ÖÖë Ûêú ³Öߟָüß ×¾ÖÛú»¯Ö פü‹ ÝÖ‹ Æïü … ¯ÖÏŸµÖêÛú ¯Ö¸üßõÖÖ£Öá ÛúÖê ‹êÃÖê ¯ÖÏ¿®ÖÖë Ûêú ¤üÖê ×¾ÖÛú»¯ÖÖë ´Öë
ÃÖê ‹Ûú ¯ÖÏ¿®Ö Æü»Ö Ûú¸ü®ÖÖ Æîü …
Series : SSO/1/C
57/1/2
• 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 minutes 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 – 2
57/1/2 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 question number 1 to 5, Very Short Answer type questions of
one mark each.
(iii) Section B contains question number 6 to 10, Short Answer type I questions of two
marks each.
(iv) Section C contains question number 11 to 22, Short Answer type II questions of
three marks each.
(v) Section D contains question number 23, Value Based Question of four marks.
(vi) Section E contains question number 24 to 26, Long Answer type questions of five
marks each.
(vii) There is no overall choice in the question paper, however, an internal choice is
provided in one question of two marks, one question of three marks and all three
questions of five marks. An examinee is to attempt any one of the questions out of
the two given in the question paper with the same question number.
ÜÖÞ›ü – Ûú
SECTION – A
1. DNA Ûúß ŸÖã»Ö®ÖÖ ´Öë RNA ŒµÖÖë †×¬ÖÛú †×³Ö×ÛÎúµÖÖ¿Öᯙ ÆüÖêŸÖÖ Æîü ? 1
Why is RNA more reactive in comparison to DNA ?
2. “ÖæÂÖÛú ´Ö”û»Öß †Öî¸ü ¿ÖÖÛÔú Ûêú ²Öß“Ö ¯ÖÖ‹ •ÖÖ®Öê ¾ÖÖ»Öß ¯ÖÖ¸üïÖ׸üÛú ×ÛÎúµÖÖ ÛúÖê ŒµÖÖ ®ÖÖ´Ö ×¤üµÖÖ •ÖÖŸÖÖ Æîü ? 1
Name the interaction that exists between sucker fish and shark.
3.
µÖÆüÖÑ ×¤ü‹ ÝÖ‹ ¤üÖê ד֡ÖÖë ´Öë ¯Öî¯Öê¾Ö¸ü (A) †Öî¸ü ´ÖÖ‡Ûêú×»ÖµÖÖ (B) Ûêú ¯Öã¯ÖÖë Ûêú •ÖÖµÖÖÓÝÖ (áÖßÛêúÃÖ¸ü) ¤ü¿ÖÖÔ‹ ÝÖ‹ Æïü … ‡®ÖÛêú
†Ó›üÖ¿ÖµÖÖë Ûúß ÃÖÓ¸ü“Ö®ÖÖ ´Öë †ÓŸÖ¸ü ²ÖŸÖÖ‡‹ … 1
57/1/2 3 [P.T.O.
These pictures show the gynaeceum of (A) Papaver and (B) Michellia flowers. Write
the difference in the structure of their ovaries.
4. ¯ÖÏןָüõÖÖ Ûêú ÃÖÓ¤ü³ÖÔ ´Öë ´ÖÖê®ÖÖêÃÖÖ‡™ü ¯ÖÏÛúÖ¸ü Ûúß ÃÖ±êú¤ü ¹ý׬ָü ÛúÖê׿ÖÛúÖ ÛúÖê ÛúÖê׿ÖÛúßµÖ †¾Ö¸üÖê¬Ö ŒµÖÖë ´ÖÖ®ÖÖ •ÖÖŸÖÖ Æîü ? 1
In what way is monocyte a cellular barrier with reference to immunity ?
5. ™ü®ÖÔ¸ü ØÃÖ›ÒüÖê´Ö Ûêú ÛÎúÖê´ÖÖêÃÖÖê´ÖßµÖ ×¾ÖÛúÖ¸ü ŒµÖÖ Æïü ? ²ÖŸÖÖ‡‹ … 1
State the chromosomal defect in individuals with Turner’s syndrome.
ÜÖÞ›ü – ÜÖ
SECTION – B
6. ‹Ûú ×®Ö:ÃÖÓŸÖÖ®Ö ¤ü´¯Ö×ŸÖ ‘™êüÙü ™ËüµÖæ²Ö ²Öê²Öß’ ¯ÖÏÖêÝÖÏÖ´Ö Ûêú ×»Ö‹ ¸üÖ•ÖÌß ÆüÖê ÝÖ‹ Æïü … ÝÖ³ÖÔ¬ÖÖ¸üÞÖ Ûú¸ü®Öê Ûêú ×»Ö‹ ‡ÃÖ ¯Ö¨ü×ŸÖ ´Öë
†¯Ö®ÖÖ‹ •ÖÖ®Öê ¾ÖÖ»Öê ´Öæ»Ö³ÖæŸÖ “Ö¸üÞÖÖë Ûúß ÃÖæ“Öß ²Ö®ÖÖ‡‹ … 2
†£Ö¾ÖÖ
×®Ö´®Ö×»Ö×ÜÖŸÖ Ûêú ÛúÖµÖÔ ²ÖŸÖÖ‡‹ :
(a) ¯ÖÖ¸ü¤ü¿Öá †Ó›üÖ¾Ö¸üÞÖ
(b) ´Öæ»ÖÖÓÛãú¸-“ÖÖê»Ö
A childless couple has agreed for a test tube baby programme. List only the basic steps
the procedure would involve to conceive the baby.
OR
Mention the function of
(a) Zona pellusida
(b) Coleorhiza
7. ‹Ûú ˆ¤üÖÆü¸üÞÖ ¤êüŸÖê Æãü‹ ²ÖŸÖÖ‡‹ ×Ûú ×¾ÖÛúÃÖßµÖ ÃÖ´Ö•ÖÖŸÖŸÖÖ ×ÛúÃÖ ¯Ö¸ü †Ö¬ÖÖ׸üŸÖ ÆüÖêŸÖß Æîü … 2
Explain with the help of an example the type of evolution homology is based on.
57/1/2 4
8. E-coRI ŒµÖÖ Æîü ? ²ÖŸÖÖ‡‹ ×Ûú EcoRI ×ÛúÃÖ ¯ÖÏÛúÖ¸ü ‹ŒÃÖÖꮵÖæ׌»Ö‹•ÖÌ ÃÖê ׳֮®Ö ÆüÖêŸÖÖ Æîü … 2
What is EcoRI ? How does EcoRI differ from an exonuclease ?
9. ˆ““Ö ŸÖãÓÝÖŸÖÖ ¾ÖÖ»Öê õÖê¡ÖÖë ¯Ö¸ü ¯ÖÆãÑü“Ö®Öê Ûêú ²ÖÖ¤ü ¾µÖ׌ŸÖµÖÖë ÛúÖê ŸÖãÓÝÖŸÖÖ-²Öß´ÖÖ¸üß ŒµÖÖë ÆüÖê •ÖÖŸÖß Æîü ? ¤üÖê-ŸÖß®Ö ×¤ü®Ö Ûêú ²ÖÖ¤ü
ˆ®ÖÛúÖ ¿Ö¸ü߸ü ÛîúÃÖê •Ö»Ö¾ÖÖµÖã Ûêú †®ÖãÛæú»Ö ÆüÖê •ÖÖŸÖÖ Æîü ? 2
Why do people suffer from altitude sickness after reaching the high altitude regions ?
How does their body acclimatized after a couple of days ?
10.
(a) †Öê•ÖÌÖê®Ö Ûêú ×®Ö´®ÖßÛú¸üÞÖ Ûêú ¯Ö¿“ÖÖŸÖË ÆüÖê®Öê ¾ÖÖ»Öê ¤ãü¯ÖϳÖÖ¾Ö ŒµÖÖ Æïü ?
(b) ‡ÃÖÃÖê ´ÖÖ®Ö¾Ö Ã¾ÖÖãµÖ ¯Ö¸ü ŒµÖÖ ¯ÖϳÖÖ¾Ö ¯Ö›ÌüŸÖÖ Æîü ? 2
(a) What are the after effects of the degradation of ozone ?
(b) How does it affect human health ?
ÜÖÞ›ü – ÝÖ
SECTION – C
11. ´Ö¹ý¤Ëü׳֤Ëü ¯ÖµÖÖÔ¾ÖÖÃÖ ´Öë ÆüÖê®Öê ¾ÖÖ»Öê ˆÃÖ ¯ÖÖ¤ü¯Ö-†®ÖãÛÎú´ÖÞÖ Ûúß ¾µÖÖܵÖÖ Ûúßו֋ •Ö²Ö ŸÖÛú “Ö¸ü´ÖÖêŸÛúÂÖÔ ÃÖ´Öã¤üÖµÖ ŸÖÛú ®ÖÆüà ¯ÖÆãÑü“Ö
•ÖÖŸÖÖ … 3
Explain succession of plants in xerophytic habitat until it reaches climax community.
12. ´ÖÖ®Ö¾ÖÖë Ûêú ×Ûú®Ö ÝÖãÞÖÃÖæ¡ÖÖë ¯Ö¸ü ˆŸ¯Ö׸ü¾ÖŸÖá •Öß®Ö ¯ÖÖ‹ •ÖÖŸÖê Æïü ו֮ÖÛêú ÛúÖ¸üÞÖ £Öî»ÖîÃÖß×´ÖµÖÖ ®ÖÖ´ÖÛú ¸üÖêÝÖ ÆüÖê •ÖÖŸÖÖ Æîü ? ‡®Ö
ˆŸ¯Ö׸ü¾ÖŸÖá •Öß®Ö «üÖ¸üÖ ŒµÖÖ-ŒµÖÖ ÃÖ´ÖõÖÖ‹Ñ ÆüÖêŸÖß Æïü ? 3
Which chromosomes carry the mutant genes causing thalassaemia in humans ? What
are the problems caused by these mutant genes ?
Page 5
57/1/2 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 – Ûú ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 1 ÃÖê 5 †×ŸÖ »Ö‘Öã¢Ö¸ü ¯ÖÏ¿®Ö Æïü … ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö ‹Ûú †ÓÛú ÛúÖ Æîü …
(iii) ÜÖÞ›ü – ÜÖ ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 6 ÃÖê 10 »Ö‘Öã¢Ö¸ü ¯ÖÏ¿®Ö I ¯ÖÏÛúÖ¸ü Ûêú Æïü … ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö ¤üÖê †ÓÛú ÛúÖ Æîü …
(iv) ÜÖÞ›ü – ÝÖ ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 11 ÃÖê 22 »Ö‘Öã¢Ö¸ü ¯ÖÏ¿®Ö II ¯ÖÏÛúÖ¸ü Ûêú Æïü … ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö ŸÖß®Ö †ÓÛú ÛúÖ Æîü …
(v) ÜÖÞ›ü – ‘Ö ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 23 ´Ö滵ÖÖ¬ÖÖ׸üŸÖ ¯ÖÏ¿®Ö “ÖÖ¸ü †ÓÛúÖë ÛúÖ Æîü …
(vi) ÜÖÞ›ü – ’û ´Öë ¯ÖÏ¿®Ö ÃÖÓܵÖÖ 24 ÃÖê 26 ¤üß‘ÖÔ ˆ¢Ö¸ü ¯ÖÏ¿®Ö Æïü, ¯ÖÏŸµÖêÛú ¯ÖÏ¿®Ö ¯ÖÖÑ“Ö †ÓÛú ÛúÖ Æîü …
(vii) ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ÛúÖê‡Ô ÃÖ´ÖÝÖÏ ¯Ö¸ü ×¾ÖÛú»¯Ö ®ÖÆüà Æîü, ×±ú¸ü ³Öß ¤üÖê †ÓÛú Ûêú ‹Ûú ¯ÖÏ¿®Ö, ŸÖß®Ö †ÓÛú Ûêú ‹Ûú ¯ÖÏ¿®Ö †Öî¸ü
¯ÖÖÑ“Ö †ÓÛúÖë Ûêú ŸÖß®Ö ¯ÖÏ¿®ÖÖë Ûêú ³Öߟָüß ×¾ÖÛú»¯Ö פü‹ ÝÖ‹ Æïü … ¯ÖÏŸµÖêÛú ¯Ö¸üßõÖÖ£Öá ÛúÖê ‹êÃÖê ¯ÖÏ¿®ÖÖë Ûêú ¤üÖê ×¾ÖÛú»¯ÖÖë ´Öë
ÃÖê ‹Ûú ¯ÖÏ¿®Ö Æü»Ö Ûú¸ü®ÖÖ Æîü …
Series : SSO/1/C
57/1/2
• 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 minutes 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 – 2
57/1/2 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 question number 1 to 5, Very Short Answer type questions of
one mark each.
(iii) Section B contains question number 6 to 10, Short Answer type I questions of two
marks each.
(iv) Section C contains question number 11 to 22, Short Answer type II questions of
three marks each.
(v) Section D contains question number 23, Value Based Question of four marks.
(vi) Section E contains question number 24 to 26, Long Answer type questions of five
marks each.
(vii) There is no overall choice in the question paper, however, an internal choice is
provided in one question of two marks, one question of three marks and all three
questions of five marks. An examinee is to attempt any one of the questions out of
the two given in the question paper with the same question number.
ÜÖÞ›ü – Ûú
SECTION – A
1. DNA Ûúß ŸÖã»Ö®ÖÖ ´Öë RNA ŒµÖÖë †×¬ÖÛú †×³Ö×ÛÎúµÖÖ¿Öᯙ ÆüÖêŸÖÖ Æîü ? 1
Why is RNA more reactive in comparison to DNA ?
2. “ÖæÂÖÛú ´Ö”û»Öß †Öî¸ü ¿ÖÖÛÔú Ûêú ²Öß“Ö ¯ÖÖ‹ •ÖÖ®Öê ¾ÖÖ»Öß ¯ÖÖ¸üïÖ׸üÛú ×ÛÎúµÖÖ ÛúÖê ŒµÖÖ ®ÖÖ´Ö ×¤üµÖÖ •ÖÖŸÖÖ Æîü ? 1
Name the interaction that exists between sucker fish and shark.
3.
µÖÆüÖÑ ×¤ü‹ ÝÖ‹ ¤üÖê ד֡ÖÖë ´Öë ¯Öî¯Öê¾Ö¸ü (A) †Öî¸ü ´ÖÖ‡Ûêú×»ÖµÖÖ (B) Ûêú ¯Öã¯ÖÖë Ûêú •ÖÖµÖÖÓÝÖ (áÖßÛêúÃÖ¸ü) ¤ü¿ÖÖÔ‹ ÝÖ‹ Æïü … ‡®ÖÛêú
†Ó›üÖ¿ÖµÖÖë Ûúß ÃÖÓ¸ü“Ö®ÖÖ ´Öë †ÓŸÖ¸ü ²ÖŸÖÖ‡‹ … 1
57/1/2 3 [P.T.O.
These pictures show the gynaeceum of (A) Papaver and (B) Michellia flowers. Write
the difference in the structure of their ovaries.
4. ¯ÖÏןָüõÖÖ Ûêú ÃÖÓ¤ü³ÖÔ ´Öë ´ÖÖê®ÖÖêÃÖÖ‡™ü ¯ÖÏÛúÖ¸ü Ûúß ÃÖ±êú¤ü ¹ý׬ָü ÛúÖê׿ÖÛúÖ ÛúÖê ÛúÖê׿ÖÛúßµÖ †¾Ö¸üÖê¬Ö ŒµÖÖë ´ÖÖ®ÖÖ •ÖÖŸÖÖ Æîü ? 1
In what way is monocyte a cellular barrier with reference to immunity ?
5. ™ü®ÖÔ¸ü ØÃÖ›ÒüÖê´Ö Ûêú ÛÎúÖê´ÖÖêÃÖÖê´ÖßµÖ ×¾ÖÛúÖ¸ü ŒµÖÖ Æïü ? ²ÖŸÖÖ‡‹ … 1
State the chromosomal defect in individuals with Turner’s syndrome.
ÜÖÞ›ü – ÜÖ
SECTION – B
6. ‹Ûú ×®Ö:ÃÖÓŸÖÖ®Ö ¤ü´¯Ö×ŸÖ ‘™êüÙü ™ËüµÖæ²Ö ²Öê²Öß’ ¯ÖÏÖêÝÖÏÖ´Ö Ûêú ×»Ö‹ ¸üÖ•ÖÌß ÆüÖê ÝÖ‹ Æïü … ÝÖ³ÖÔ¬ÖÖ¸üÞÖ Ûú¸ü®Öê Ûêú ×»Ö‹ ‡ÃÖ ¯Ö¨ü×ŸÖ ´Öë
†¯Ö®ÖÖ‹ •ÖÖ®Öê ¾ÖÖ»Öê ´Öæ»Ö³ÖæŸÖ “Ö¸üÞÖÖë Ûúß ÃÖæ“Öß ²Ö®ÖÖ‡‹ … 2
†£Ö¾ÖÖ
×®Ö´®Ö×»Ö×ÜÖŸÖ Ûêú ÛúÖµÖÔ ²ÖŸÖÖ‡‹ :
(a) ¯ÖÖ¸ü¤ü¿Öá †Ó›üÖ¾Ö¸üÞÖ
(b) ´Öæ»ÖÖÓÛãú¸-“ÖÖê»Ö
A childless couple has agreed for a test tube baby programme. List only the basic steps
the procedure would involve to conceive the baby.
OR
Mention the function of
(a) Zona pellusida
(b) Coleorhiza
7. ‹Ûú ˆ¤üÖÆü¸üÞÖ ¤êüŸÖê Æãü‹ ²ÖŸÖÖ‡‹ ×Ûú ×¾ÖÛúÃÖßµÖ ÃÖ´Ö•ÖÖŸÖŸÖÖ ×ÛúÃÖ ¯Ö¸ü †Ö¬ÖÖ׸üŸÖ ÆüÖêŸÖß Æîü … 2
Explain with the help of an example the type of evolution homology is based on.
57/1/2 4
8. E-coRI ŒµÖÖ Æîü ? ²ÖŸÖÖ‡‹ ×Ûú EcoRI ×ÛúÃÖ ¯ÖÏÛúÖ¸ü ‹ŒÃÖÖꮵÖæ׌»Ö‹•ÖÌ ÃÖê ׳֮®Ö ÆüÖêŸÖÖ Æîü … 2
What is EcoRI ? How does EcoRI differ from an exonuclease ?
9. ˆ““Ö ŸÖãÓÝÖŸÖÖ ¾ÖÖ»Öê õÖê¡ÖÖë ¯Ö¸ü ¯ÖÆãÑü“Ö®Öê Ûêú ²ÖÖ¤ü ¾µÖ׌ŸÖµÖÖë ÛúÖê ŸÖãÓÝÖŸÖÖ-²Öß´ÖÖ¸üß ŒµÖÖë ÆüÖê •ÖÖŸÖß Æîü ? ¤üÖê-ŸÖß®Ö ×¤ü®Ö Ûêú ²ÖÖ¤ü
ˆ®ÖÛúÖ ¿Ö¸ü߸ü ÛîúÃÖê •Ö»Ö¾ÖÖµÖã Ûêú †®ÖãÛæú»Ö ÆüÖê •ÖÖŸÖÖ Æîü ? 2
Why do people suffer from altitude sickness after reaching the high altitude regions ?
How does their body acclimatized after a couple of days ?
10.
(a) †Öê•ÖÌÖê®Ö Ûêú ×®Ö´®ÖßÛú¸üÞÖ Ûêú ¯Ö¿“ÖÖŸÖË ÆüÖê®Öê ¾ÖÖ»Öê ¤ãü¯ÖϳÖÖ¾Ö ŒµÖÖ Æïü ?
(b) ‡ÃÖÃÖê ´ÖÖ®Ö¾Ö Ã¾ÖÖãµÖ ¯Ö¸ü ŒµÖÖ ¯ÖϳÖÖ¾Ö ¯Ö›ÌüŸÖÖ Æîü ? 2
(a) What are the after effects of the degradation of ozone ?
(b) How does it affect human health ?
ÜÖÞ›ü – ÝÖ
SECTION – C
11. ´Ö¹ý¤Ëü׳֤Ëü ¯ÖµÖÖÔ¾ÖÖÃÖ ´Öë ÆüÖê®Öê ¾ÖÖ»Öê ˆÃÖ ¯ÖÖ¤ü¯Ö-†®ÖãÛÎú´ÖÞÖ Ûúß ¾µÖÖܵÖÖ Ûúßו֋ •Ö²Ö ŸÖÛú “Ö¸ü´ÖÖêŸÛúÂÖÔ ÃÖ´Öã¤üÖµÖ ŸÖÛú ®ÖÆüà ¯ÖÆãÑü“Ö
•ÖÖŸÖÖ … 3
Explain succession of plants in xerophytic habitat until it reaches climax community.
12. ´ÖÖ®Ö¾ÖÖë Ûêú ×Ûú®Ö ÝÖãÞÖÃÖæ¡ÖÖë ¯Ö¸ü ˆŸ¯Ö׸ü¾ÖŸÖá •Öß®Ö ¯ÖÖ‹ •ÖÖŸÖê Æïü ו֮ÖÛêú ÛúÖ¸üÞÖ £Öî»ÖîÃÖß×´ÖµÖÖ ®ÖÖ´ÖÛú ¸üÖêÝÖ ÆüÖê •ÖÖŸÖÖ Æîü ? ‡®Ö
ˆŸ¯Ö׸ü¾ÖŸÖá •Öß®Ö «üÖ¸üÖ ŒµÖÖ-ŒµÖÖ ÃÖ´ÖõÖÖ‹Ñ ÆüÖêŸÖß Æïü ? 3
Which chromosomes carry the mutant genes causing thalassaemia in humans ? What
are the problems caused by these mutant genes ?
57/1/2 5 [P.T.O.
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Y
Z
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(a) ‘X’ Ûúß ¯ÖÆü“ÖÖ®Ö Ûúßו֋ ŸÖ£ÖÖ ¿Ö¸ü߸ü Ûêú ³Öߟָü ˆÃÖÛúß ×ãÖ×ŸÖ ²ÖŸÖÖ‡‹ …
(b) ÃÖÆüÖµÖÛú ÝÖÏÓ×£Ö ‘Y’ ÛúÖ ®ÖÖ´Ö ²ÖŸÖÖ‡‹ ŸÖ£ÖÖ ˆÃÖÛêú ÄÖÖ¾Ö ÛúÖ ®ÖÖ´Ö ³Öß ²ÖŸÖÖ‡‹ …
(c) ‘Z’ ÛúÖ ®ÖÖ´Ö ŸÖ£ÖÖ ˆÃÖÛúÖ ÛúÖµÖÔ ²ÖŸÖÖ‡‹ … 3
Y
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The above diagram shows human male reproductive system (one side only).
(a) Identify ‘X’ and write its location in the body.
(b) Name the accessory gland ‘Y’ and its secretion.
(c) Name and state the function of ‘Z’.
14. ÝÖ®®Öê Ûúß ‹Ûú ±úÃÖ»Ö ×ÛúÃÖß ¾ÖÖµÖ¸üÃÖ ÃÖê ÃÖÓÛÎú×´ÖŸÖ ÆüÖê ÝÖµÖß Æîü … ‡ÃÖÃÖê ¾ÖÖµÖ¸üÃÖ ´ÖãŒŸÖ ÝÖ®®ÖÖ-±úÃÖ»Ö ×ÛúÃÖ ¯ÖÏÛúÖ¸ü
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A sugarcane has been affected by virus. How can a virus free cane be developed from
it ? Explain the procedure.
15. ‡ÓÝ»ÖîÞ›ü ´Öë ¿¾ÖêŸÖ †Öî¸ü ÛúÖ»Öê ¸ÓüÝÖ Ûêú ¿Ö»Ö³ÖÖë Ûêú ¯ÖÏÖÛéúןÖÛú ¾Ö¸üÞÖ ´Öë †ÖîªÖêÝÖßÛú¸üÞÖ Ûúß ŒµÖÖ ³Öæ×´ÖÛúÖ ¸üÆüß ? 3
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×¾ÖÛúÖÃÖ Ûêú ÃÖÓ¤ü³ÖÔ ´Öë ˆ›Ìü®Ö ×ÝÖ»ÖÆü¸üß †Öî¸ü ˆ›Ìü®Ö ±Ìîú»Öָü Ûêú ²Öß“Ö ÃÖ´ÖÖ®ÖŸÖÖ ÛúÖ ŒµÖÖ †£ÖÔ ÃÖ´Ö—ÖŸÖê Æïü ?
How did industrialization play a role in Natural Selection of light and dark coloured
moth in England ?
OR
What do you infer from the resemblance between flying squirrel and flying phalanger
with reference to their evolution.
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FAQs on Past Year Paper - Biology (Set - 2), Delhi, 2015, Class 12, Biology - Additional Study Material for NEET
| 1. What is the structure and function of a cell membrane? |  |
Ans. The cell membrane is a semi-permeable barrier that surrounds the cell and separates its internal environment from the external environment. It is composed of a lipid bilayer with embedded proteins. The lipid bilayer provides a selective barrier, allowing certain substances to enter or leave the cell while preventing others from doing so. The proteins embedded in the membrane serve various functions such as transport of molecules, cell signaling, and cell adhesion.
| 2. How does DNA replication occur in eukaryotic cells? | |
Ans. In eukaryotic cells, DNA replication occurs in the nucleus during the S phase of the cell cycle. The process involves several steps. Firstly, the double-stranded DNA molecule unwinds and separates into two single strands. Then, DNA polymerase enzyme binds to the separated strands and adds complementary nucleotides to each strand, resulting in the formation of two new DNA molecules. The newly synthesized DNA molecules are then checked for errors and repaired if necessary.
| 3. What are the different types of genetic mutations and their effects? | |
Ans. There are several types of genetic mutations, including point mutations, insertions, deletions, and chromosomal rearrangements. Point mutations involve a change in a single nucleotide base, which can lead to the replacement of one amino acid in a protein, resulting in a different protein structure and potential functional changes. Insertions and deletions involve the addition or removal of nucleotides, causing a shift in the reading frame and often resulting in non-functional or truncated proteins. Chromosomal rearrangements involve changes in the structure or number of chromosomes, which can disrupt gene expression and lead to genetic disorders.
| 4. What are the different types of cell division and their significance? | |
Ans. The two main types of cell division are mitosis and meiosis. Mitosis is a type of cell division that produces two genetically identical daughter cells and is responsible for growth, tissue repair, and asexual reproduction in organisms. Meiosis, on the other hand, is a specialized form of cell division that occurs in reproductive cells and produces four daughter cells with half the number of chromosomes as the parent cell. This process is essential for sexual reproduction and contributes to genetic diversity.
| 5. How does the process of photosynthesis occur in plants? | |
Ans. Photosynthesis is the process by which plants convert sunlight, carbon dioxide, and water into glucose and oxygen. It occurs in the chloroplasts of plant cells. The process involves two main stages: the light-dependent reactions and the light-independent reactions (Calvin cycle). In the light-dependent reactions, light energy is captured by chlorophyll and used to generate ATP and NADPH. These energy-rich molecules are then used in the light-independent reactions to convert carbon dioxide into glucose through a series of enzymatic reactions. The oxygen produced during photosynthesis is released as a byproduct.
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