Reptilia Creeping Vertebrates - Questions & Answers | Exam2Win

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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: