Question

Which of the following is enucleated cell
A.RBCof frog
B.sieve tube element
C.a,b
D.RBC of crocodile

Answer 1

Answer:

RBCs of frog is enucleated.

Explanation:

in crocodile there is no RBCs present.

Answer 2

Answer:SIEVE TUBE ELEMENTS.

Explanation: non mamalian vertebrates have nucleated rbc. So frog rbc is nucleated.

crocodile don't have nucleus.

Hence sieve tube is answer