BHU PMT BHU PMT (Mains) Solved Paper-2009

  • question_answer
    Ommatidia serve the purpose of photo reception in

    A)  cockroach                          

    B)  frog

    C)   molluscs                            

    D)  humans

    Correct Answer: A

    Solution :

                     In insects like cockroach, each separate visual unit is a compound eye. These are black kidney shaped organs situated on the lateral side of head. Each consists of about 2000 to 2500 units called Ommatidium, which serve the purpose of photoreception.


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