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Reptilia Creeping Vertebrates - Questions and Answers

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81. The migration of birds is initiated by
A. Shortage of food
B. Purpose of breeding
C. Search of shelter
D. Day length affecting the endocrine gland
Explanation:
82. A famous bird sanctuary is
A. Gir forest
B. Corbett National Park
C. Keoladeo Ghana Sanctuary
D. Bhandipur National Park
Explanation:
83. The vertebrae of birds are characteristically
A. Heterocoelous
B. Acoelous
C. Opisthocoelous
D. Amphicoelous
Explanation:
84. Penguins possess
A. Flipper like wings
B. Pouch for holding eggs
C. Two forward and two backwardly directed toes
D. Long legs
Explanation:
85. Second largest bird is
A. Emu
B. Cassowary
C. Rhea
D. Ostrich
Explanation: