A) phycobilins
B) carotenoids and xanthophyll
C) chlorophylloid and carotenoids
D) chlorophyll and carotenes
Correct Answer: C
Solution :
If etiolated plant kept in dark, the plastids are converted into etioplasts which have carotenoids and protochlorophylloide (chlorophylloid). On exposure to light protochlorophylloide is converted into chlorophyll within 5 minutes.
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