CELL BIOLOGY Question Papers (Regular, 2007, RR)

SET :1

1. Write a note on different type of cells in higher animals. [8+8]

2. List and describe the passive and active processes used by the plasma membrane to maintain homeostasis of the cell. [4+12]

3. What is meant by Exocytosis and Endocytosis. Explain these processes that take place in the cell. [8+8]

4. What is a thylakoid? What are the functions? [8+8]

5. What is Mitosis? Describe the different stages of mitosis. [4+12]

6. Explain nucleo-cytoplasmic interaction in eggs and embryo. [8+8]

7. Write short notes on:
(a) Chemo taxis.
(b) Tumbling motion.
(c) Smooth swimming motion.
(d) Receptor triggered phosphoryktion. [4+4+4+4]

8. Describe about second messengers and receptor tyrosine kinases. [6+10]


SET :2

1. Illustrate with the help of a detailed diagram the ultra structure of a prokaryotic cell. [8+8]

2. Write short notes on:
(a) Microtubules.
(b) Micro filaments.
(c) Intermediary filaments.
(d) Cytoskeleton. [4+4+4+4]

3. How can you distinguish rough ER from smooth ER in an electron micrograph? What is this distinction based on? Explain. [8+8]

4. Write detail about the organell which does the function of Secretion and Endocytosis. [4+12]

5. What changes occur in the nucleus during prophase, metaphase, anaphase and telophase? [4+4+4+4]

6. Explain the cytoplasmic determinants and describe the localization of cytoplasmic determinants in eggs. [5+11]

7. What are the different kinds of chemo receptors that are involved in transmission of signals across bacterial membranes. [6+10]

8. What do you mean by signals with internal receptors and signals with cell surface receptors? [8+8]


SET :3

1. Write notes on:
(a) Dimensions of cells.
(b) Discovery of cell. [6+10]

2. Describe the components of cytoplasm. [5+11]

3. Write the transport of proteins across the ER membrane. [6+10]

4. Write a note on main processes and enzyme systems in mitochondria. [8+8]

5. What is Mitosis? Describe the different stages of mitosis. [4+12]

6. Write the general characteristics of cell differentiation. [6+10]

7. Write short notes on:
(a) Chemo taxis.
(b) Tumbling motion.
(c) Smooth swimming motion.
(d) Receptor triggered phosphoryktion. [4+4+4+4]

8. What kinds of chemical signals trigger the release of hormones? [4+12]


SET :4

1. Explain the complexity of cell in an organism in view of its structure and function. [8+8]

2. Describe the components of cytoplasm. [5+11]

3. Describe the general organization of the nuclear pore complex. [4+12]

4. Describe the origin and function of Lysosome. [8+8]

5. What changes occur in the nucleus during prophase, metaphase, anaphase and telophase? [4+4+4+4]

6. Define cell differentiation and morphological differentiation. [8+8]

7. Write short notes on:
(a) Chemo taxis.
(b) Tumbling motion.
(c) Smooth swimming motion.
(d) Receptor triggered phosphoryktion. [4+4+4+4]

8. What do you mean by signals with internal receptors and signals with cell surface receptors? [8+8]