DPP -9S54

CELL – Fundamental unit of Life

1. Which one of the following is NOT a part of the nucleus?

• Ribosome
• Nucleolus
• Chromosome
• Gene

2. Why is the cell wall present in plant cells and not in animal cells ?

3. Write a short note on:

• Cytoplasm
• Nucleus
• Endoplasmic Reticulum

4. Describe the structure and function of endoplasmic reticulum and state it’s importance in the cell.