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Biology

Biology
Rickets is caused due to the deficiency of

Cyanocobalamine
Calciferol
Thiamine
Carotene

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Biology
They are double membrane structures that are commonly oval or disc shaped.

Nucleus
Ribosomes
Lysosomes
Golgi bodies

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Biology
Fossils of blue green algae were found in lime stones with the age almost as old as

1.3 Billion years
3.3 Billion years
2.3 Billion years
4.3 Billion years

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Biology
The plasma of the blood contains which among the following constituents?I. ProteinsII. SaltsIII. Hormones

Only I and II
Only I and III
All I, II and III
Only II and III

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Biology
Which of the following systems in man is affected by the bite of cobra ?

Excretory
Digestive
Circulatory
Nervous

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Biology
Filtration of blood takes place in

Heart
Liver
Spleen
Kidney

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MORE MCQ ON Biology

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