14 Cell Biology Questions from Previous Years’ Papers

1. Write short notes on the following:

(a) Ultrastructural in details of an eukaryotic cell (Draw neat labelled diagrams).

(b) Structure and functions of ribosomes.

(c) Ultrastructure of plama membrane, (id) Sex Chromosomes

(e) E.R.

2. Describe the structure and function of mitochondria.

3. How the mitochondrial function is controlled?

4. Write short notes on:

(a) Cell fractionation.

(b) Nucleolus

(c) Nucleosome

5. Describe briefly various structural changes in Chromosomes.

7. Explain the different types of aneuploidy.

8. With suitable classical experiments on sex- linked inheritance, prove that genes are carried on the chromosomes.

5. Write short notes on the following:

(a) Stages of cell cycle.

(b) Y-chromosome

(c) Lysosomes

(d) Cytoskeleton

6. With suitable sketches, distinguish between the major types of cell surface receptors.

7. Explain in detail the structure of G protein and its role in signal transduction.

8. With suitable diagrams, explain the structure of chromatin found in interphase nucleus.

9. Explain the significance of the condensation/ decondensation cycle of chromatin.

10. Give a detail account of prokaryotic protein synthesis.

11. Discuss critically structure and functions of cell membranes.

12. Describe different types of polyploidy giving suitable examples.

13. Describe the process of meiosis sequentially with suitable diagrams contrast in with mitosis.

14. What is the balance concept of sex determination and how was this established?