Right Answers to Quiz on Dolphins

This month dinomaniac@rediffmail.com has given all right answers!

Right Answer to Quiz on Dolphins

1.Dolphins are

fish

mammals

reptiles

2.Dolphins are found in India …………......

from beaches near Kozhikode ( Kerala)

While cruising near Goa

at both the places

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

salt water

fresh water

both are correct

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

2-3,000

10-15,000

6-7,000

5.Most dolphins navigate by

Sight

Echolocation

X-ray vision

6.Dolphins communicate by

Dorsal fin movements

Talking

Whistling

7.The largest member of the dolphin family is

Narwhal

Gangetic Dolphin

Killer Whale

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

15 minutes

20 minutes

5 minutes

9.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

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

30 years

20 years

45 years

Please try this month quiz on Extinction of life forms

Indian Wildlife Club Ezine (November, 2005)