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How do "horn sharks" find shellfish buried in the sand ?

A well-developed sense of smell enables them to sniff out shellfish
A well-developed sense of hearing enables them to sniff out shellfish
A well-developed sense of seeing enables them to sniff out shellfish
A well-developed sense of feel enables them to sniff out shellfish


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Are sharks oviparous or viviparous ?

shark2.jpg
Viviparous
Oviparous
None
Both


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What is the scientific name of Thresher Shark ?

Lamina nasus
Alopias vulpinus
Carcharinus obscures
Galeocerdo Cuvier


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Why does the basking shark swim with its mouth open?

To catch its food
To breathe
To sense its food
To respirate


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What are ampullae of Lorenzini ?

Balance of boldy
A well-developed sense of smell
Tiny pores containing special sensors
Hearing Sensors


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Which is the largest shark ?

Shortfin mako
Whale shark
Hexanchiformes
Benthic sharks


The largest is the whale shark, which has been known to get as large as 18 meters (60 feet).

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At what age,the swell shark gets ready to hatch ?

Twenty five months
Twenty months
Ten months
Fifteen months


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What is the Kingdom of Shark ?

Animalia
Chordata
Chondrichthyes
Elasmobranchii


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What is the Phylum of Shark ?

Animalia
Chordata
Chondrichthyes
Elasmobranchii


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Which of given species can live in fresh water although sharks generally do not live in freshwater ?

Bull shark
Tiger shark
Blue shark
Mako shark


Sharks generally do not live in freshwater although there are a few known exceptions, such as the bull shark and the river shark, which can survive in both seawater and freshwater.

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