Question

Match the Columns.

Column A	Column B
1. Taproot	(a) Maize plant
2. Stilt roots.	(b) Radish
3. Fibrous roots.	(c) Cacti
4. Loss of excess of water from plants.	(d) Maize and sugar cane
5. Leaves modified into spines.	(e) Transpiration

Accepted Answer

1 - b

Radish is a modified root. The taproots like turnip, beetroot, carrot, etc. store the food in them and hence they are fleshy and swollen. Taproot grows vertically downwards into the soil.

2 - d

Stilt roots are adventitious aerial roots which are grown from the main stem's basal nodes and attach firmly to the soil. Maize and sugarcane plants have such roots.

3 - a

Fibrous roots do not have the main root. The primary root is short-lived. It is replaced by a cluster of fiber-like roots. All the branches arise from the base of stem and spread out in the soil. The maize plant is an example of monocot plant and has fibrous roots.

4 - e

Transpiration is the process of loss of excess water from the aerial parts of the plant in the form of water vapour through the stomata. Transpiration provides cooling effect to the plant.

5 - c

In cacti, the leaves are modified into spines in order to avoid the excess loss of water by transpiration.

Column A Column B

1. Tap root (b) Radish

2. Stilt roots (d) Maize and sugar cane

3. Fibrous roots (a) Maize plant

4. Loss of excess of water from plants (e) Transpiration

5. Leaves modified into spines (c) Cacti

Veera Bala Rastogi and Shalini Mahajan Solutions for Chapter: Plants - Form and Functions, Exercise 6: PRACTICE TIME

Veera Bala Rastogi Science Solutions for Exercise - Veera Bala Rastogi and Shalini Mahajan Solutions for Chapter: Plants - Form and Functions, Exercise 6: PRACTICE TIME

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