131.
The main function of seive tubes is
A
Food conduction
B
Protein transfer
C
Enzyme transfer
D
Transcription
Answer :
Food conduction
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132.
Knots are formed in the wood due to
A
External Injuries
B
Bases of the branches get buried in ain stem
C
Leaf scars
D
Insect bites
Answer :
Bases of the branches get buried in ain stem
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133.
Complementary cells of lenticels develop from
A
Phellem
B
Phelloderm
C
Endodermis
D
Phellogen
Answer :
Phellogen
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134.
Sclerenchymatous bundle sheath is present in
A
Grass
B
Sunflower
C
Banyan
D
Gram
Answer :
Grass
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135.
In which plant part laticiferous gland are found
A
Cortex
B
Epidermis
C
Endodermis
D
Vascular bundle
Answer :
Cortex
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136.
Largest number of chloroplasts are found in
A
Palisade tissue
B
Spongy tissue
C
Transfusion tissue
D
Bundle sheath cell
Answer :
Palisade tissue
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137.
In general, the cells of cortex lack
A
Chlorophyll
B
Nucleus
C
Reserve food
D
Nucleolus
Answer :
Chlorophyll
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138.
The best possible methods to determine the age of a tree is
A
To find out the number of branches
B
To measure its diameter
C
To count the number of annual rings
D
To count the number of leaves
Answer :
To count the number of annual rings
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139.
Which of the following meristems is responsible for extrastelar secondary growth in dicotyledonous stem?
A
Intrafascicular cambium
B
Interfascicular cambium
C
Intercalary meristem
D
Phellogen
Answer :
Phellogen
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140.
Vascular bundle with protoxylem towards the periphery is
A
Radial
B
Endarch
C
Exarch
D
Closed
Answer :
Exarch
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