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On a chromatogram, the yellow-green band is

(a) carotenoid Your answer
(b) chlorophyll b Correct
(c) xanthophyll Your answer
(d) chlorophyll a Your answer

Your answer: Correct answer: (b)

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Explanation

Why (b) is correct

On a chromatogram, chlorophyll b appears as a yellow-green band.

Why the other options are wrong

(a) · your answer Carotenoids are yellow to yellow-orange.
(c) · your answer Xanthophylls are yellow.
(d) · your answer Chlorophyll a is bright or blue-green.

NCERT point: Four pigment bands are seen on a leaf chromatogram.

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