Which of the following row(s) is/are correctly matched? Column AColumn BColumn C(a)Lenticels(i)Gaseous exchange(1)Carbon dioxide(b)Chloroplast(ii)Photosynthesis(2)Glucose(c)Leaves(iii)Transpiration(3)Oxygen(d)Roots(iv)Diffusion(v)Nutrients
A
a-i-1
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B
b-ii-2
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C
c-iii-3
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D
d-iv-4
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Solution
The correct options are A a-i-1 B b-ii-2 D d-iv-4
Exchange of gases takes place through leaves, lenticels and some loose tissue in plants. Carbon dioxide is taken inside cells and oxygen is released in the air.
Chloroplast is the cell organelle which contains chlorophll. Sunlight, chlorophyll, water and carbon dioxide are the raw materials for photosynthesis. During this process, glucose is produced as an energy source.
The transpiration process takes place in the leaves of the plants. In this process, the excess amount of water is lost in the form of vapour.
Roots absorb water and nutrients from the soil through the process of diffusion. It involves movement of substances from high concentration to low concentration.