451.
Interfascicular cambium develops from the cells of:
A
Xylem parenchyma
B
Endomermis
C
Pericycle
D
Medullary rays
Answer :
Medullary rays
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452.
In which plant palisade tissue is present on both side of leaves
A
Nerium
B
Eucalyptus
C
A and B both
D
None of the above
Answer :
A and B both
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453.
Cortex and pith are not distinguished in
A
Monocot stem
B
Monocot root
C
Dicot stem
D
Dicot root
Answer :
Monocot stem
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454.
The basic difference between stem and root is that stem is
A
Endarch
B
Exarch
C
Mesarch
D
Polyarch
Answer :
Endarch
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455.
Root hairs develop from the region of:
A
Elongation
B
root cap
C
Meristematic activity
D
Maturation
Answer :
Maturation
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456.
Which one of the following is not a lateral meristem?
A
Intrafascicular cambium
B
Interfascicular cambium
C
Phellogen
D
Intercalary meristem
Answer :
Intercalary meristem
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457.
Which of the following is not a plant fibre
A
Cotton
B
Coir
C
Sunn hemp
D
Silk
Answer :
Silk
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458.
Grass stem elongates after initial growth due to
A
Apical meristem
B
Secondary meristem
C
Intercalary meristem
D
Lateral meristem
Answer :
Intercalary meristem
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459.
A meristem may be defined as the group of cells which
A
Add to the bulk of the Plants.
B
Conserve food
C
Divide continuously to give rise to new cells.
D
Elongate and add to the group of cells
Answer :
Divide continuously to give rise to new cells.
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460.
When xylem and phloem are on same radius, the vascular bundles are said to be
A
Radial
B
Conjoint
C
Concentric
D
Exarch
Answer :
Conjoint
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