Root System and its Features


 
 
Concept Explanation
 

Root System and its Features

The Root System:

The part of the plant that grows under the ground is called the root system. It always grows towards the gravity and moisture, away from the light. The roots of a plant are mostly seen underground and look brown in colour. The tiny thread-like structures over the roots are the root hairs. The tip of the root is covered by root cap which is preventive in function. Root and the root hairs form the root system.

The part of the plant which develops from the radicle at the time of germination of the seeds and moves towards the water and land opposite to the light, is called the root. Roots absorb minerals, salts and water from the soil and grow plants.

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Sample Questions
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Question : 1

The part of the plant that grows under the ground is called the _______________________.

Right Option : A
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Explanation
Question : 2

Which of the following are correct :

(a) Root does not possess green colour pigment, the chlorophyll. It cannot produce food.

(b) Root grows towards the soil and away from the light, it is called as geotropic structure.

(c) Root does not bear leaves, buds or flowers. Roots along with their root hairs absorb water and minerals from the soil.

Right Option : D
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Explanation
Question : 3

Root grows towards the soil and away from the light ,it is called as __________________.

Right Option : B
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Explanation
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