Animal Kingdom Question 128

128. Which of the following pairs are correctly matched?

(i) Crocodile - 4-chambered heart (ii) Sea urchin - Parapodia (iii) Obelia - Thecodont (iv) Lemur - Thecodont

(a) (ii), (iii) and (iv)

(b) only (i) and (iv)

(c) only (i) and (ii)

(d) (i), (iii) and (iv)

Show Answer

Answer : b

Hints & Solutions

(b) Crocodile belongs to class reptilia which has four chambered heart. Lemur teeth are embedded in the sockets of two which is known as thecodont.