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NEET Biology question

BiologyPhotosynthesis in Higher PlantsNEET

Study the following statements about the chlorophyll-a molecule. (i) Molecular formula of chlorophyll-a is C55H72O5N4Mg. (ii) It is the primary photosynthetic pigment. (iii) In pure state, it is bluish-green in colour and thus absorbs more red wavelength of light than violet-blue. (iv) It is soluble in water as well as petroleum ether. Which of the above statements is/are NOT correct?

Answer: (B)

Solution

Statement (iii) is incorrect: in its pure state chlorophyll-a is bluish-green and actually absorbs MORE of the violet-blue wavelength than red (not the reverse as

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Question ID VK-128528