Ncert Exercises & Solutions

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

Column I

Column II

A. Nictitating membrane

B. Tympanum

C. Copulatory pad

1. ................

2. ................

3. ................

(a) Nictitating Membrane It protects the eye from water and any other damaging matter by covering the eye ball of frog.

(b) Tympanum It is a present on each side of frog head and is involved in the hearing process.

(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.