Biology Sample Question Paper Sheet - Class Xii, Central Board Of Secondary Education, 2010
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39DESIGN OF THE QUESTION PAPER
BIOLOGY-CLASS XII
Hrs : 3 Hrs.
Max. Marks : 70
The weightage of the distribution of marks over different dimensions of the question paper shall be
as follows:
Weigthtage to content/subject units
Units
Content
Marks
14
1.
Reproduction
2.
Genetics and evolution
18
14
3.
Biology and Human Welfare
10
4.
Biotechnology and its applications
5.
Ecology and environment
14
Total
70
Weightage to different form of questions
S. No.
Form of Questions
Marks for each
No. of
Total Marks
Questions
1.
Very Short Answer(VSA)
1
8
08
2.
Short Answer (SA II)
2
10
20
3.
Short Answer (SA I)
3
09
27
4.
Long Answer (LA)
5
3
15
TOTAL
-
30
70
Scheme of Qptions
1.
There will be no overall option.
2.
Internal choices (either/or type) on a very selective basis has been provided. This choiee has been
given in one question of 2 marks, one question of 3 marks and all the three questions of 5 marks
weightage.
Weightage to difficulty level of questions.
S.No.
Estimated difficulty level
Percentage
1.
Easy
15
2.
Average
70
3.
difficult
15
About 20% weightage has been assigned to questions testing higher order thinking skills
of learners.
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