Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
Discoblastula is found in (1) frog (2) fishes and reptiles (3) insects (4) birdsA) 1, 2 and 3 are correct
B) 1 and 2 are correct
C) 2 and 4 are correct
D) 1 and 3 are correct
Correct Answer: C
Solution :
Discoblastula have yolk with few layers of cells of it forming a disc. The lower layer separates and form a blastocoel surrounded by upper and lower layer of cells. It is found in fishes, reptiles, birds and egg laying mammals.
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