PLANT GROWTH AND MOVEMENTS (II) biology MCQ’s questions answers – Page 5

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PLANT GROWTH AND MOVEMENTS (II)

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Question 21 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

In which structure thigmonasty is observed in simple form?

A	Shoot apex
B	Leaf apex
C	Root apex
D	Leaf tendril

Question 22 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Photoperiodism is:

A	Germination of seed
B	Elongation of internodes.
C	Flowering response towards light
D	Vegetative growth.

Question 23 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Which of the following is increased in plants as a result of growth?

A	Width
B	Dry volume
C	Dry weight
D	Number

Question 24 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

What is 2-4 D?

A	Weedicide
B	Insecticide
C	Rodenticide
D	Wormicide

Question 25 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

The figure represents which type of growth:

A	Arithmetic.
B	Geometric.
C	Linear
D	Hyperbolic

There are 25 questions to complete.

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