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

Subtopic:  Morphology of Roots |
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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

 

Subtopic:  Morphology of Roots |
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Root hairs develop from the region of

(1) maturation

(2) elongation

(3) root cap

(4) meristematic activity

Subtopic:  Morphology of Roots |
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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

Subtopic:  Morphology of Roots |
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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

Subtopic:  Morphology of Roots |
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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

 

Subtopic:  Morphology of Roots |
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The region responsible for growth in the length of root is:

(1) A

(2) B

(3) C

(4) D

Subtopic:  Morphology of Roots |
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In a longitudinal section of a root, starting from the tip upward, the four zones occur in the following order :-
1. Root cap, cell division, cell maturation, cell enlargement
2. Cell division, cell enlargement, cell maturation, root cap
3. Cell division , cell maturation, cell enlargement, root cap
4. Root cap, cell division, cell enlargement, cell maturation 

Subtopic:  Morphology of Roots |
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Pneumatophores are found in :
1. The vegetation which is found in marshy and saline lake
2. The vegetation which found in saline soil
3. Xerophytes
4. Epiphytes

Subtopic:  Morphology of Roots |
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Roots developed from parts of the plant other than radicles are called

1. tap roots

2. fibrous roots

3. adventitious roots

4. nodular roots

 

Subtopic:  Morphology of Roots |
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