Page 95 - Science Class 08

9. the organelle that is there in plants only : _______________________
10. the nucleus plus cytoplasm of a cell : _______________________

C. Write full terms of.
1. DNA _______________________________________________________________
2. RNA _______________________________________________________________

D. Name.
1. four features that DNA determines:
___________________________ ___________________________
___________________________ ___________________________

2. four elements of which most of the protoplasm is made up of:
___________________________ ___________________________
___________________________ ___________________________

3. four organelles found in animals:
___________________________ ___________________________
___________________________ ___________________________
E. Match the following columns.

Column I Column II
1. Cell a. Animal cell
2. Small vacuoles b. 1 metre +
3. Molecules c. Discovery of cell

4. Cork slice d. Basic func onal unit of life
5. Nerve cell e. Seeds of life
F. Very short answer ques ons.
1. Who discovered cell?

2. What all organisms are made up of?
3. Is a plant cell different from an animal cell?
4. Who discovered nucleus of the cell?

5. What is chloroplast?
G. Short answer ques ons.
1. Why cells are common to all living organisms?
2. Write a short note about the discovery of a cell.

3. Explain briefly about the varie es of cells?
4. What do you mean by DNA?
5. What is mitochondria?

H. Long answer ques ons.
1. What is a cell ? What is its importance in the body of an organism?
2. What are molecules and organelles? How are they important for the body of an organism?

Science-8 95