The region of part of root that increases the surface area for water absorption is

1. Root cap

2. Zone of elongation

3. Meristematic zone

4. Root hair

The cells proximal to the merismatic zone in root tip represents

1.  Zone of cell elongation

2.  Zone of deacceleration

3.  Zone of differentiation

4.  Zone of maturation

Root hairs develop from the region of

(1) maturation

(2) elongation

(3) root cap

(4) meristematic activity

The cells of which of the following regions of the root are responsible for growth of its length?

1. Root cap

2. Region of meristematic activity

3. Region of elongation

4. Region of maturation

Which of the following is not the lateral branches of the roots?

1. Tertiary roots

2. Secondary roots

3. Primary roots

4. Both 1 and 2

Which of the following zone of the root has thin cell wall, dense cytoplasm and large nucleus?

1.  Region of maturation

2.  Region of elongation

3.  Region of root hair

4.  Region of meristematic cells

The region responsible for growth in the length of the root is:

1. A

2. B

3. C

4. D

In a longitudinal section of a root, starting from the tip upward, the four zones occur in the following order:
 

Pneumatophores are found in:
1. The vegetation is found in marshy and saline lake
2. The vegetation is found in saline soil
3. Xerophytes
4. Epiphytes

Roots developed from parts of the plant other than radicles are called

1. tap roots

2. fibrous roots

3. adventitious roots

4. nodular roots