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Dolphins are marine mammals closely related to _________ and porpoises.

Dolphin1.jpg
Whales
Snail
Seahorse
Water snake


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There are almost 40 species of dolphin in ____ genera.

Dolphin2.jpg
10
13
17
22


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Who is the most known dolphin?

Dolphin4.JPG
Bottlenose dolphin
Killer whale
Bottlenose whale
Killer dolphin


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What is the dolphin''s blood feature?

Dolphins are cold-blooded
Dolphins have green blood animal
Dolphins blood can be used for transfusion
Dolphins are warm-blooded


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The Indus Dolphin is effectively ________.

Dumb and deaf
Dumb
Deaf
Blind


The Indus Dolphin is effectively blind. This may be because not much light penetrates the waters of the Indus river (due to suspended sediments), making eyes futile.

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For how many minutes, dolphins can stay under water in one time ?

4 minutes
15 minutes
30 minutes
No Limit


Most dolphins surface every few minutes, but they can stay under water for up to 15 minutes. A dolphin breathes through the blowhole on top of its head.

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How many deep dolphins can swim below the surface of the ocean?

20 meters
140 meters
260 meters
390 meters


Dolphins can swim up to 260 m. below the surface of the ocean.

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Even though dolphins have ____ teeth, they don’t use them for eating.

20
50
100
180


Even though dolphins have 100 teeth, they don’t use them for eating.

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What is the Family of Dolphin ?

Animalia
Mammalia
Cetacea
Delphinidae


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A group of dolphins is called a "school" or a "_____"

Pod
Mod
Hod
Lod


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