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