NEET Biology Photosynthesis in Higher Plants Question Bank Light Reaction Pigments

  • question_answer
    The approximate dimension of chlorophyll porphyrin ring is

    A) \[\text{1}\overset{\text{o}}{\mathop{\text{A}}}\,\]square

    B) \[\text{5}\overset{\text{o}}{\mathop{\text{A}}}\,\]square

    C) \[\text{10}\overset{\text{o}}{\mathop{\text{A}}}\,\]square

    D) \[\text{15}\overset{\text{o}}{\mathop{\text{A}}}\,\]square

    Correct Answer: D

    Solution :

    Chlorophyll has a tetrapyrrole porphyrin head \[\text{(15 }\!\!\times\!\!\text{ 15}\overset{\text{o}}{\mathop{\text{A}}}\,\text{)}\]and a long chain alcohol called phytol\[\text{(20}\overset{\text{o}}{\mathop{\text{A}}}\,\text{)}\].


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