question_answer 54)

    Write the functions in brief in column II, appropriate to the structures given in column I.

Column I	Column II
A. Nictitating membrane	1.??????
B. Tympanum	2.??????.
C. Copulatory pad	3??????.

Answer:

                  (a) Nictitating MembraneIt protects the eye from water and any other damaging matter bycovering the eye ball of forg. (b) Tympanum It is a present on each side of frog head and is involved in the hearingprocess. (c)Copulatory Pad These pads are present in the limbs of the male frog and helps in copulation by holding the female during its sexual activity.