201.
Meristematic tissue responsible for increase in girth of tree trunk is
A
Apical meristem
B
Intercalary meristem
C
Lateral meristem
D
Phellogen
Answer :
Lateral meristem
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202.
Innermost layer of cortex is
A
Endodermis
B
Epidermis
C
Exodermis
D
Hypodermis
Answer :
Endodermis
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203.
Meristematic tissue are
A
Premature having ability of division
B
Mature does not have ability of division
C
Premature not having ability of division
D
Complex differentiating in xylem, phloem and cambium
Answer :
Premature having ability of division
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204.
A timber merchant told his customer that log of wood which he was purchasing comes from a 20 years old tree, he told so by inspecting the
A
Diameter of log
B
Thickness of the heart wood
C
Number of cork layers
D
Growth rings
Answer :
Growth rings
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205.
Exarch and polyarch condition found in
A
Monocot stem
B
Dicot stem
C
Monocot root
D
Dicot root
Answer :
Monocot root
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206.
Plastochron is
A
Period between initiation of two successive leaf primordia
B
Distance between two successive leaf primordia
C
Region of origin of root branch
D
Region of origin of stem branch
Answer :
Period between initiation of two successive leaf primordia
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207.
A component of xylem is
A
Sieve tube
B
Medullary rays
C
Sclereid
D
Tracheid
Answer :
Tracheid
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208.
The meristem, which develops primary vascular tissue is
A
Protonema
B
Promeristem
C
Ground meristem
D
Procambium
Answer :
Procambium
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209.
Which tissue remains more active during autumn
A
Vascular cambium
B
Cork cambium
C
Parenchyma
D
Scelernchyma
Answer :
Cork cambium
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210.
Vessels are founding
A
All Angiosperms and some gymnosperm
B
Most of the Angiosperms and few gymnosperms
C
All Angiosperms, all gymnosperms and some pteridophyta
D
All pteriodophyta
Answer :
Most of the Angiosperms and few gymnosperms
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