311.
Chlorenchyma is known to develop in the
A
pollen tube of Pinus
B
cytoplasm of Chlorella
C
mycelium of a green mould such as Aspergillus
D
spore capsule of a moss
Answer :
spore capsule of a moss
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312.
The layers of cells lying between endodermis and vascular bundle is
A
Cortex
B
Pith
C
Pericycle
D
Exodermis
Answer :
Pericycle
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313.
Sea shore trees do not show distinct annual rings because
A
There is litte climatic variations
B
They belong to monocots
C
There is enough moisture
D
Soil is sandy
Answer :
There is litte climatic variations
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314.
The cells without nuclei are present in
A
Vascular cambium
B
Root hair
C
Companion cell
D
Members of seive tube
Answer :
Members of seive tube
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315.
The function of root cap is
A
Protection of root tip and control of geotropic movement
B
Storage of food products
C
Absorption nutrients
D
None of the above
Answer :
Protection of root tip and control of geotropic movement
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316.
Spring wood (early wood) differs with autumn wood (late wood) in
A
Size of vessels and tracheids
B
Thickness of cells wall
C
Amount of wood
D
All of the above
Answer :
All of the above
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317.
Cells of parenchymatous tissues are characterized by
A
Uniform thickening
B
Thickening at the corners
C
Lignified walls
D
Inter cellular spaces
Answer :
Inter cellular spaces
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318.
Prosenchyma forms
A
Root-pericycle
B
Stem-pericycle
C
Root-endodermis
D
Stem hypodermis
Answer :
Root-pericycle
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319.
Autumn wood can be differentiated from spring wood by
A
Broad vessels and tracheids
B
Narrow vessels and tracheids
C
Red colour of xylem
D
Cambium
Answer :
Narrow vessels and tracheids
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320.
Xylem is exarch is
A
Leaf
B
Petiole
C
Stem
D
Root
Answer :
Root
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