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Q.P. Code 57/3/1
Roll No. narjmWu àíZ-nÌ H$moS> >H$mo CÎma-nwpñVH$m Ho$
_wI-n¥ð >na Adí` {bIo§ &
Candidates must write the Q.P. Code on
the title page of the answer-book.
Ord {dkmZ (g¡ÕmpÝVH$)
BIOLOGY (Theory)
*
:3 : 70
Time allowed : 3 hours Maximum Marks : 70
NOTE :
(i) - 31
Please check that this question paper contains 31 printed pages.
(ii) - - -
-
Q.P. Code given on the right hand side of the question paper should be written on the title
page of the answer-book by the candidate.
(iii) - 33
Please check that this question paper contains 33 questions.
(iv) -
Please write down the serial number of the question in the answer-book before
attempting it.
(v) - 15 -
10.15 10.15 10.30 -
-
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.
,General Instructions :
Read the following instructions very carefully and strictly follow them :
(i) This question paper contains 33 questions. All questions are compulsory.
(ii) This question paper is divided into five Sections A, B, C, D and E.
(iii) In Section A Questions no. 1 to 16 are multiple choice (MCQ) type questions,
carrying 1 mark each.
(iv) In Section B Questions no. 17 to 21 very short answer (VSA) type questions,
carrying 2 marks each.
(v) In Section C Questions no. 22 to 28 are short answer (SA) type questions,
carrying 3 marks each.
(vi) In Section D Questions no. 29 and 30 are case-based questions carrying
4 marks each. Each question has subparts with internal choice in one subpart.
(vii) In Section E Questions no. 31 to 33 are long answer (LA) type questions
carrying 5 marks each.
(viii) There is no overall choice. However, an internal choice has been provided in
1 question in Section B, 1 question in Section C, 2 questions in Section D and
3 questions in Section E. A candidate has to attempt only one of the
alternatives in such questions.
(ix) Wherever necessary, neat and properly labelled diagrams should be drawn.
SECTION A
Questions no. 1 to 16 are Multiple Choice (MCQ) type Questions, carrying
1 mark each. 16 1=16
1. Choose the set of sex determining chromosomes that indicates the correct
sex of the respective organism.
(a) Homozygous sex chromosomes (ZZ) determine female sex in birds
(b) XO type of sex chromosomes determine male sex in grasshoppers
(c) XXY condition in humans, as found in Turner Syndrome,
determines male sex
(d) Homozygous sex chromosomes (XX) produce male sex in
Drosophila
57/3/1 JJJJ Page 3 P.T.O.
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