51.
Monocot leaves grow by
A
Apical meristem
B
Laterameristem
C
Intercalary meristem
D
Dermatogen
Answer :
Intercalary meristem
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52.
Complex tissue includes
A
Collenchyma
B
Apical meristem
C
Conducting tissue
D
Idioblast
Answer :
Conducting tissue
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53.
Meristems are not found in
A
Cycas stem
B
Fern leaf
C
Pollen of pinus
D
Fern rhizome
Answer :
Pollen of pinus
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54.
Phloem tissue of Angiosperms differs from that of gymnosperms in having
A
Companion cells
B
Sieve cells
C
Sieve plates
D
None of the above
Answer :
Companion cells
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55.
Periblem form
A
Endodermis
B
Cortex
C
A and B both
D
Epidermis
Answer :
A and B both
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56.
Letnicels help in
A
Gaseous exchange
B
Transpiration
C
Vegetative reproduction
D
All of the above
Answer :
All of the above
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57.
When a meristematic tissue "Cambium" is present inside a vascular bundle, the bundle is said to be
A
Conjoint
B
Open
C
Closed
D
Collateral
Answer :
Open
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58.
In a woody dicotyledonous tree, which of the following parts will mainly consist of primary tissues?
A
All parts
B
Stem and root
C
Flowers, fruits and leaves
D
Shoot tips and root tips
Answer :
Shoot tips and root tips
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59.
The secondary meristem originates from
A
Promeristem
B
Primary meristem
C
Permanent tissue
D
Secretory tissue
Answer :
Permanent tissue
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60.
The type of vascular bundles in the stem of dracaena
A
Amphivasal
B
Bicollateral
C
Amphicribral
D
Radial
Answer :
Amphivasal
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