Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-10

  • question_answer
    Which one of the following is present in chlorophyll which gives a green colour to plant leaves?

    A)  Calcium                     

    B)  Magnesium                

    C)  Iron                

    D)  Manganese                

    Correct Answer: B

    Solution :

    Chlorophyll is a tetrapyrole ring system that chelate the magnesium ion. The tetrapyrole ring system that chelates this magnesium shows a conjugated double bond. This bond provide the light absorption feature to chlorophyll and gives it green colour.

You need to login to perform this action.
You will be redirected in 3 sec spinner