In the chromatographic separation of photosynthetic pigments, which of these is represented by a, b, c and d respectively

a- carotene, b- xanthophyll, c- cholorphyll a, d- chlorophyll b

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a- xanthophyll, b- carotene, c- chlorophyll b, d- chlorophyll a,

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a- chlorophyll b, b- carotene, c- chlorophyll a, d- xanthophyll

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a- chlorophyll a, b- carotene, c- chlorophyll b, d- xanthophyll

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Solution

The correct option is A a- carotene, b- xanthophyll, c- cholorphyll a, d- chlorophyll b
In chromatographic separation, the four photosynthetic pigments will settle down according to their Rf (retention factor) value.
The Rf values of the pigment are as follows:
Pigment Rf value
Carotene 1
Xanthophyll 0.615
Chlorophyll a 0.340
Chlorophyll b 0.231
Therefore, the correct answer is option A.

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c. Carotene
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Q. Match and find the correct option.

	$I$		$I I$
$(a)$	Chlorophylls $a$ and $c$ , fucoxanthin and manitol	$(i)$	Porphyra
$(b)$	Chlorophylls $a$ and $d$ , phycoerythrin and floridean starch	$(i i)$	Volvox
$(c)$	Chlorophylls $a$ and $b$ , pyrenoids with starch and proteins	$(i i i)$	Hibiscus
$(d)$	Chlorophylls $a$ and $b$ , carotenes and xanthophylls	$(i v)$	Dictyota
$(e)$	Chlorophylls $a$ and $b$ , carotenes, xanthophylls, leucoplasts store carbohydrates, fats and proteins	$(v)$	Anabaena

Q. Study the major pigments and storage in the following lists and match correctly.

List I	List II
(A) Chlorophylls a & c, fucoxanthin and mannitol	(I) Porphyra
(B) Chlorophylls a & d, phycoerythrin and floridian starch	(II) Volvox
(C) Chlorophylls a & b, pyrenoids with starch and proteins	(III) Hibiscus
(D) Chlorophylls a & b, carotene and xanthophylls, leucoplasts store carbohydrates, fats and proteins	(IV) Dictyota (V) Anabaena

Question 02
Which pigment acts directly to convert light energy to chemical energy?
(a) Chlorophyll-a (b) Chlorophyll-b
(c) Xanthophyll (d) Carotenoid

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