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Vertebrata Agnatha Pisces - Questions and Answers

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156. Ichthyophis belongs to
A. Amphibia
B. Mollusca
C. Annelida
D. Reptila
Explanation:
157. A scale-less fish is
A. Scoliodon
B. Remora
C. Catfish
D. Labeo
Explanation:
158. Amphibian heart is
A. Four chambered
B. Three chambered
C. Two chambered
D. One chambered
Explanation:
159. Which is the smallest taxonic group having cranium, vertebral column, ventral heart, pulmonary respiration and two pairs of legs?
A. Chordata
B. Gnathostomata
C. Vertebrata
D. Tetrapoda
Explanation:
160. Neoteny is related to
A. North America due to aerial flow of iodine
B. Genetic feature of some amphibians
C. Larva develops sex organs
D. None of the above
Explanation:
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