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Biology

Biology
Deficiency of which of the following causes non-clotting of blood?

Vitamin B12
Vitamin E
Vitamin C
Vitamin K

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Biology
In coelentrates mesderm give rise to

Digestive System
Lining of the gut
Neverous System
Circulatory System

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Biology
The ecosystem of a pond is referred as

Benthic
Xeric
Lotic
Lentic

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Biology
Which of the following is not a function of saliva?

Begins the chemical breakdown of starches
Helps clean the mouth
Contains fluoride to harden the tooth enamel
Moistens food and helps stick it together to make it easier to swallow

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Biology
Which part of human eye controls the amount of light entering the eye

Pupil
Cornea
Iris
Retina

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Biology
Cold blooded animals are known as

Endotherms
Eurytherms
Poikilotherms
Homiotherms

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