Q23 of 27 Page 54

Some desert plants have very small leaves whereas some others have only spines. How does this benefit the plants?

Desert plants are well adapted to the harsh conditions. Due to water scarcity, they need to conserve water. Some of the desert plants have very small leaves whereas some have only spines to reduce water loss through the process of transpiration. This adaptation helps the plants to conserve water.


More from this chapter

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21

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.

 22

Mention one adaptation present in the following animals:

(a) In camels to keep their bodies away from the heat of sand.


(b) In frogs to enable them to swim.


(c) In dolphins and whales to breathe in air when they swim near the surface of water.

 24

What are the specific features present in a deer that helps it to detect the presence of predators like lion?

 25

Read the features of plants given below:

(a) Thick waxy stem


(b) Short roots


(c) Cone shaped plants


(d) Sloping branches


(e) Small or spine-like leaves


(f) Hollow stem


Choose the type of plant for every feature given in a, b, c, d, e and f from the list given below:


Aquatic plant, Desert plant, Mountainous plant