Cell Important Questions

Class IX Bio Chap--1 Cell Important Questions 

1.  When a Cell gets Swell Up ?

Ans:- The Concentration of Water Molecules in the Surrounding Medium is higher than the concentration of Water molecules in the cell.

2. State a difference between plant cell and animal cell.

Ans:- Plant Cells have Cell wall  where as Animal cells don't.

3. What is the Reason Behind the colour (Green) Changing in an Unripe Fruit to a Ripe Fruit ?

Ans:- Chloroplast Change into Chromoplast.

4. Which Organelles are Known as the Powerhouse of the cells ?

Ans:- Mitochondria

5. Name the Scientist Who Coined the term cell. 

Ans:- Robert Hooke

6. The Protein and Lipids, Essential For the Building of Cell membrane, are Manufactured by:-

Ans:- Endoplasmic Reticulum

7. Which Plastids are Colourless ?

Ans:- Leucoplast 

8. What is Plasmolysis ?

Ans:- The Phenomenon Where Cytoplasm Shrink in a Hypertonic Medium.

9. What is the called as the Energy Currency of the cells ?

Ans:- ATP.

10. Which Organelles are Known as the Suicidal bags of the Cell ?

Ans:- Lysosomes.