PLANT PHYSIOLOGY
PLANT GROWTH
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Absorption of water
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Formation of cellulose
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High rate of respirations
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Uptake of minerals salt
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Detailed explanation-1: -Growth refers to an increase in size of all or part of an organism. It can result from. an increase in the number of cells within the organism, and an increase in the size of individual cells within the organism, and an increase in the amount of substances surrounding the cells.
Detailed explanation-2: -Root mass, Root to shoot ratio, By the use of an auxanometer. The best way to measure the growth of a plant is by the use of an auxanometer.
Detailed explanation-3: -There are three phases of growth – meristematic, elongation and maturation. We can understand this better by looking at a seed. We already know that the tips of roots and shoots exhibit continuous growth and hence are meristematic. The cells in this region are rich in protoplasm and have large nuclei.
Detailed explanation-4: -Absolute growth rate Increase in total growth of two organs or organisms is measured and comparison of total growth per unit time is called absolute growth.