First slide

The Root

Question

Direct elongation of the radicle leads to the formation of:

Easy

A

Fibrous root
B

Adventitious root
C

Primary root
D

Breathing root

Solution

In majority of the dicotyledonous plants, the direct elongation of the radicle leads to the formation of primary root which grows inside the soil.
The roots originating from the base of the stem constitute the fibrous root system.
Roots arising from parts of the plant other than the radicle and are called adventitious roots.
In some plants such as Rhizophora growing in swampy areas, many roots come out of the ground and grow vertically upwards. Such roots, called pneumatophores or breathing roots, help to get oxygen for respiration.

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