PLANT GROWTH AND MOVEMENTS (II) biology MCQ’s questions answers

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PLANT GROWTH AND MOVEMENTS (II)

Question 146 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Mention the effect of cytokinin
A
It maintains dormancy
B
It induces cell division and retards the process of senescence
C
It inhibits cell division
D
It induces senescence
Question 147 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Photoperiodism is .....
A
Irregular growth based on light
B
Time table of day-night based on light
C
Effect of length of day on flowering
D
Flowering plant
Question 148 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which hormone is synthesized by root and endosperm?
A
Ethylene
B
Cytokinin
C
Gibberrelin
D
Auxin
Question 149 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The conditions necessary for vernalization are:
(i) High temperature and water.
(ii) Low temperature and water.
(iii) Water and Carbon dioxide.
(iv) Oxygen and water.
A
(i), (ii) and (iii)
B
(i) and (ii)
C
(ii) and (iv)
D
(i) and (iii).
Question 150 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
This hormone induces growth of root but inhibits growth of .....
A
Root
B
Lateral buds
C
Apical bud
D
Unfertilized fruit developement
There are 150 questions to complete.

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