Question

1. How are joints different from ligaments?

2. What is parallel venation? Give two examples.

3. Write the adaptation in aquatic plants due to which

(a) Submerged leaves can bend in the flowing water.

(b) Leaves can float on the surface of water.

4. What is the difference between Unicellular and multicellular organisms?

5. What are physical changes? Give two examples.

6. What happens when chalk powder and sand are added to water? Why?

7. Write two uses of jute.

8. Give one symptom and disease caused by deficiency of vitamin C.

9. We all need food. Explain this term why?

10. How is winnowing useful to farmer?​

Answer 1

Explanation:

2. parallel venation: In this type all veins run parallel to each other. Either from base to the Apex of the lamina

Example : Unicostate, Multicostate