Protochlorophyll differs from chlorophyll in lacking

(a) 2 hydrogen atoms in one of its pyrrole rings

(b) 2 hydrogen atoms in two of its pyrrole rings

(c) 4 hydrogen atoms in one of its pyrrole rings

(d) 4 hydrogen atoms in two of its pyrrole rings

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1 Answers

Correct option (b) 2 hydrogen atoms in two of its pyrrole rings 

Explanation : 

Protochlorophyll differ froms cholophyll in 2 hydrogen atoms in one of its pyrrole rings.

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