First slide

The Root

Question

Read the following statements.
A. Small supporting roots growing obliquely of the basal node of main stem.
B. The root arises from horizontal areal branches of the tree and provides support to the spreading branches of tree.
C. Negatively geotropic roots present in mangrove plants.
The plant root described above can be represented by

Easy

A

A - Still root ; B - Prop root ; C - Assimilatory roots
B

A - Still root ; B - Prop root ; C -Pneumatophores
C

A -Prop root ; B - Still root ; C - Respiratory roots
D

A - Still root ; B - Fibrous root ; C - Respiratory roots

Solution

In a banyan tree are, the root arise from horizontal areal branches of the tree and provide support and are called prop roots. Similarly, the stems of maize and sugarcane have supporting roots coming out of the lower nodes of the stem. These are called stilt 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, help to get oxygen for respiration

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