TNPSC - 9th Standard Science Notes For All Exam ( Group 1, Group 2, Group 4 And VAO )

1. Heterodont dentition is seen in _____

Answer: Mammals

2. The Powerhouse of the cell is the _____

Answer: Mitochondrion

3. The Cell division common in gametes _____

Answer: Meiosis

4. Petals of flowers bear ______

Answer: Chromoplasts

5. The matrix of chloroplast is called ______

Answer: Stroma

6. The genes are found in _______

Answer: Chromosome

7. What is plays a role in cell division?

Answer: Centriole

8. Cisternae, vesicles and tubules are seen in _______

Answer: Golgi Apparatus

9. Proper osmotic pressure is maintained by ______

Answer: Vacuole

10. The term cell was coined by ______

Answer: Robert Hooke