Board Paper of Class 12-Science 2005 Biology All India(SET 1) - Solutions
General Instructions:
(i) All questions are compulsory.
(ii) This question paper consists of four sections A, B, C and D.
Section A contains 5 questions of one mark each.
Section B is of 10 questions of two marks each.
Section C is of 10 questions of three marks each and
Section D is of 3 questions of five marks each.
(iii) There is no overall choice. However, an internal choice has been provided.
(iv) Wherever necessary, the diagrams drawn should be neat and properly labelled.
(i) All questions are compulsory.
(ii) This question paper consists of four sections A, B, C and D.
Section A contains 5 questions of one mark each.
Section B is of 10 questions of two marks each.
Section C is of 10 questions of three marks each and
Section D is of 3 questions of five marks each.
(iii) There is no overall choice. However, an internal choice has been provided.
(iv) Wherever necessary, the diagrams drawn should be neat and properly labelled.
- Question 1
Name the heaviest and longest bone in the human body.
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- Question 2
Which type of UV radiations can be lethal to organisms?
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- Question 3
Why does thinning of bones usually start occurring in human females at about 50 years of age?
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- Question 4
What is polyethylene glycol used for in somatic hybridisation?
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- Question 5
Drosera carries out photosynthesis and still traps insects. Why?
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