CBSE Class 11 Biology Zoology Assignment Set B

SECTION-A

Answer all the questions (Very Short Answer Type) 

1. Define chyme and chyle ?

2. Name the muscles that help in breathing movement of man ?

3. How many pace makers are present in the human heart ? What are they ?

4. What is a sarcomere ?

5. Name the meninges of the mammalian nervous system from the outer most to the inner most ?

6. Write the functions of Leydig cells and Sertoli cells ?

7. Distinguish between ‘Humoral immunity’ and ‘Cell mediated immunity’.

8. How is acromegaly caused ?

9. Write any four important advantages of poultry farming ?

10. What is the principle involved in X ray radiography.

SECTION-B

Answer any Six Questions (Short Answer Type) 

11. Explain the process of digestion in the stomach.

12. What are the bio-chemical changes that occur in a muscle during contraction.

13. Write a brief note on Morphological Evidences in favour of organic evolution?

14. Draw a diagram of internal structure of testis.

15. Write a brief note on different types of immunities ?

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