CBSE Class 11 Biology Question Paper Set L Solved

CBSE Class 11 Biology Question Paper Set L Solved. Students can download the last year board exams question papers using the link below. Free download of examination question papers with solutions. Last 10 year question papers should be practised to get better marks in examinations.

Section A

1 Name two hormones that regulate calcium level in blood.

2 Which tissue is afflicted by Myasthenia Gravis? What is the underlying cause?

3 What do grey and white matter in brain represent?

4 How many molecules of ATP and NADH₂ are synthesized in one turn of Kreb’s cycle?

5 Categorise human vertebrae on the basis of their location giving the specific number in each category.

Section B

6 Why and where is aldosterone produced? What factors stimulate its secretion?

7 Which cell organelles are involved in photorespiration? In which cell organelle substrate for photorespiration is used?

8 What is the function and importance of Eustachian tube?

9 Why is glomerular filtrate hypertonic and hypotonic in descending and ascending limb of loop of Henle, respectively? What is the effect of ADH on collecting tubule?

10 a) In old age people often suffer from stiff and inflamed joints. What is this condition called?

What are the possible reasons for these symptoms?

b) Give two examples of synovial joints found in hindlimbs.

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