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Chapter 19 - Growth and Development - 6
1.
In lower plants, the entire plant body is capable of growing.
a) False
b) True
2.
The meristematic cells are located at the leaf and flower.
a) True
b) False
3.
A little distance from apex of root and shoot lies the zone of elongation
a) True
b) False
4.
For maximum growth of plants, the optimum temperature is 35
o
– 40
o
C.
a) True
b) False
5.
Ultra violet rays retard cell elongation.
a) True
b) False
6.
Duration of light affects the growth of vegetative and reproductive structures of plants.
a) False
b) True
7.
Duration of light plays a role in induceing or suppressing flowering, this phenomenon is known as growth
a) True
b) False
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