Q14 of 35 Page 112

Describe the change that occurs in a touch-me-not plant when it is touched?

When we touch the leaf of a touch-me-not plant, its leaves start to fold inwards. This is due to force of water which is applied to the cell wall of the plant. This movement is often seen as a defense mechanism of the plant against its predators.


More from this chapter

All 35 →
12

A fish taken out of water cannot survive for a long time. Why?

 13

What are ammonia telic and ureotelic animals? Give examples.

 15

Study the following model with which the transpiration mechanism in plants can be demonstrated


With which structure of the plant do you compare each of the following?


(i) Sponge (ii) Glass tube filled with water.

 1

Describe the various movements of plants giving suitable examples.