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1786. Which of the following belongs to the family of fishes ?
A. Silverfish
B. Starfish
C. Cuttlefish
D. Shark
Explanation:
1787. Which of the following is the correct sequence in earth during the course of evolution ?
A. Porifera - Annelida - Coelenterata - Protozoa
B. Protozoa - Coelenterata - Porifera - Annelida
C. Annelida - Porifera - Protozoa - Coelenterata
D. Protozoa - Porifera - Coelenterata - Annelida
Explanation:
1788. Which of the following is not a vestigial organ ?
A. Centriole
B. Molar tooth
C. Appendix
D. Diaphragm
Explanation:
1789. About 80% of the body weight in most organisms is
A. protein
B. minerals
C. water
D. fat
Explanation:
1790. Identical twins are born when
A. two sperms fertilise one ovum.
B. two sperms fertilise two ovums.
C. one sperm fertilises two ovums.
D. one sperm fertilises the ocum and early during pregnancy the zygotes cell mass divides into two separate parts, each developing dependently.
Explanation:
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