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Reptilia Creeping Vertebrates - Questions and Answers

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426. Unique feature of mammalian body is presence of
A. Four chambered heart
B. Presence of diaphragm
C. Homeothermy
D. Rib cage
Explanation:
427. Number of vertebrate species is
A. 210,000
B. 41,000
C. 141,000
D. 181,000
Explanation:
428. Hydrostatic skeleton is found in
A. Earthworm
B. Pigeon
C. Shark
D. Whale
Explanation:
429. Zoidiogamy is found in
A. Algae
B. Bryophytes and pteridophytes
C. A few gymnosperms
D. All the above
Explanation:
430. Size of Rhincodon typus or Whale Shark is
A. 5 m
B. 10 m
C. 18 m
D. 30 m
Explanation: