Other Root Modification

Q.

Where Are Pneumatophores Found?

Q.

Why root pressure is absent in gymnosperms?

Q. Pneumatophores are modifications of the shoot.

1. True
2. False

Q.

In order to capture more oxygen, the roots of the mangrove trees grow upwards, out of the soil. These are called __.

Q.

Where can pneumatophores be seen?

Q.

Pneumatophores are similar to ____________in function.

1. hydathodes

2. stomata

3. tendrils

4. thorns

Q. Pneumatophores are found in

1. Asparagus
2. sugarcane
3. Rhizophora
4. banyan tree

Q.

Pneumatophores in mangrove plants are helpful in

1. Fixation

2. Storage

3. Respiration

4. Buoyancy

Q. Select the correct statement:
I. From the region of elongation, some of the epidermal cells form root hairs
II. Pneumatophores are seen in Sonneratia
III. Adventitious roots are seen in banyan tree
IV. Maize and sugarcane have prop roots

1. I and IV
2. I, III and IV
3. III and IV
4. II and III

Q. Select the correct pairs.
I. Fibrous root - Roots developing from plant parts other than radicle
II. Root cap - Formation of new cells
III. Tap root - Positively geotropic and hydrotropic
IV. Root - Nodes and internodes

1. I. IV
2. I, III
3. III, IV
4. II, III