(i) Light is essential for life to exist on the earth. |
(ii) Many species of small plant under the canopy to tall trees in forest show optimal use of available light due to having large sized antenna and higher number of thylakoids. |
(iii) UV-rays is not harmful for many organisms. (iv) Photoperiodic requirement is not essential for many plant for flowering. |
(v) Red algae can live in deeper water of sea because of having pigment, phycoerythrin. |
A) Only (i)
B) Only (ii)
C) Only (iii)
D) (iv) and (v)
Correct Answer: C
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