TNPSC - 9th Standard Important Questions and Answer for Group 1, Group 2 and VAO Exam.

1. Soft unsegmented body without appendages characteristic of phylum
Answer: Molluscal

2. Cledoic eggs are seen in____
Answer: Birds

3. Which is not a method of a sexual reproduction
Answer: Regeneration

4. Two chambered heart is seen in____
Answer: Pisces

5. What is storage product in animal cell
Answer:  Clycogen

6. Who was discovered Nucleus
Answer: Robert Brown

7. The Term Cell was coined by Whom?
Answer: Roberd Hooke

8. Chromatides are joined at
Answer: Centromere

9. Flowers and Fruits are coloured due to presence of_____
Answer: Chromoplast

10 A chain of ribosomes is attached by____
Answer: mRNA.

11. The diamete of DNA molecule is
Answer: 20 A°

12. Cynanobacteria is an example of_____
Answer: Prokaryote

13. In water, the ratio of H:O by mass is____
Answer: 1:8

14. Air and Sea water are examples of ____
Answer: Mixtures

15. What is the Percentage of Carbon Dioxide in exhaled air?
Answer: 4%