Question

10. Which type of plant tissue is an active site of cell division?

11. Usually the plants grow in open spaces and exposed to forceful winds. But they do not break
Why?
12. Which tissue helps aquatic plants to float?
13. What is the material present in the bark of stem?
14. Name the chemicals that are present at the thickenings of collenchyma cells?​

Answer 1

10) Meristematic tissue

11) When plants are seedlings, slight breezes help them grow more sturdy. Wind at gale force can damage or even break and blow down the strongest tree.

12) Aerenchyma

13) It is made up of mostly dead cells.

14) Bletia (Orchidaceae) pollen