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NEETBotanyPhotosynthesis in Higher Plants

Read the following statements and choose the follwoing option: 1. Colour of leaves is due to four pigments 2. Chlorophyll a is yellow color in chromatogram 3. Xanthophyll is blue color in chromatogram 4. There is not a clear division of labour within the chloroplast. 5. Chlorophyll b is the chief pigment associated with photosynthesis.

Options

  1. AOnly 1 is correct
  2. BBoth 1 and 2 is correct
  3. CAll are incorrect
  4. DOnly 5 is correct

Correct answer

A. Only 1 is correct

Step-by-step solution

A chromatographic separation of the leaf pigments shows that the colour that we see in leaves is not due to a single pigment but due to four pigments: Chlorophyll a (bright or blue green in the chromatogram), chlorophyll b (yellow green), xanthophylls (yellow) and carotenoids (yellow to yellow-orange).

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