SCIENCE
BOTANY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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-COOH group
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-CO group
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-CHO group
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-OH group
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Detailed explanation-1: -Chl a has a methyl group (-CH3) and Chl b has an aldehyde group (-CHO) in its structure.
Detailed explanation-2: -Chlorophyll a contains methyl group (-CH 3 ) and chlorophyll b contains aldehydic group (-CHO) instead. Chlorophyll is a green pigment found in plants.
Detailed explanation-3: -The two chlorophylls differ only at position 3 (ring B): chlorophyll a contains a methyl group at this position, whereas chlorophyll b contains an aldehyde group (1).
Detailed explanation-4: -There are four types of chlorophyll: chlorophyll a, found in all higher plants, algae and cyanobacteria; chlorophyll b, found in higher plants and green algae; chlorophyll c, found in diatoms, dinoflagellates and brown algae; and chlorophyll d, found only in red algae.