Board Paper of Class 12-Science 2004 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
How is haemoglobin differently located in humans and earthworms?
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- Question 2
What is apoptosis with reference to ageing?
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- Question 3
What are the starting points of a grazing food chain and a detritus food chain respectively?
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- Question 4
A cardiologist observed an enlarged QR wave in the ECG of a patient. What does it indicate?
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- Question 5
Name the type of cells that produce antibodies.
VIEW SOLUTION
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