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

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PLANT GROWTH AND MOVEMENTS (II)

Question 101 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The changes that tracheary elements undergo to conduct water to long distances;
A
Lose protoplasm.
B
Develop very strong lignocellulosic secondary walls
C
Develops very strong lignocellulosic primary walls
D
Both A and B.
Question 102 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the period of cell formation to cell differntiation?
A
Maximum growth period
B
Sigmoid graph
C
Normal growth period
D
Grand period of growth
Question 103 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is called the effect of daylight on plant?
A
Phototropic
B
Photooxidation
C
Photoperiodism
D
Photonastism
Question 104 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In a sigmoid growth curve, 'lag phase' indicate:
A
Exponential growth
B
Initial slow growth
C
Steady growth
D
Constant increasing
Question 105 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Arithmetic growth curve is linear because:
A
One daughter cell remains meristematic and others differentiates and mature
B
Both daughter cells remains meristematic.
C
Both daughter cells get matured
D
None of the above
There are 105 questions to complete.