Quiz on Dolphins - Indian Wildlife Club

1. What is the maximum amount of time a bottlenose dolphin can hold its breath?

15 minutes

20 minutes

5 minutes

2. Dolphins communicate by

Dorsal fin movements

Talking

Whistling

3. Dolphins are found in India …………......

from beaches near Kozhikode ( Kerala)

While cruising near Goa

at both the places

4. Dolphins sleep .............

Closing one eye at a time, allowing one side of the brain to rest while using the other to watch for predators.

Nestled underneath a rocky overhang to protect themselves from predators

In groups. Half the pod sleeps while the other half watches for predators

5. The life span of a dolphin in the wild is

30 years

20 years

45 years

6. Most dolphins navigate by

Sight

Echolocation

X-ray vision

7. Dolphins are

fish

mammals

reptiles

8. The numbers of the Gangetic river dolphin have dwindled to approximately…………...

2-3,000

10-15,000

6-7,000

9. The largest member of the dolphin family is

Narwhal

Gangetic Dolphin

Killer Whale

10. The Irravadi dolphin can survive in………….

salt water

fresh water

both are correct