CTET PAPER II 2021 · PYQ · Geography / Wildlife of India · medium
Consider the statements A, B, C on dolphin and choose the correct answer:
A. Dolphins are found in the fresh water of river Ganga and Brahmaputra.
B. Dolphin sanctuary is located in the state of Bihar.
C. The presence of dolphin is an indicator of the health of the river.
A.A, B, C all are correct.✓ Correct
B.A and C are correct but B is incorrect.
C.B and C are correct but A is incorrect.
D.A and B are correct but C is incorrect.
Explanation
The Gangetic river dolphin is found in the freshwater of the Ganga–Brahmaputra–Meghna river system. The Vikramshila Gangetic Dolphin Sanctuary is located in Bhagalpur, Bihar — India's only dolphin sanctuary. Dolphins, being top predators, indicate a healthy river ecosystem; their presence signals adequate prey and clean water. All three statements are correct.
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