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Biology

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

Vitamin B12
Vitamin C
Vitamin E
Vitamin K

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Biology
Jellyfish belongs to which phylum

Porifera
Nematoda
Mollusca
Cnidaria

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Biology
A man whose blood group is not known meet with a serious accident and needs blood transfusion immediately. Which one of the blood group mentioned below and readily available in the hospital will be safe for transfusion

O, Rh-
AB, Rh-
AB, Rh+
O, Rh+

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Biology
Which hormone causes emotional disturbance

Vasopressin
Thyroxine
Adrenalin
Oxytocin

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Biology
________ is a thyroid hormone which controls the balance of calcium in the body.

All of these
Thyroxine
Calcitonin
Calmodulin

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Biology
Bile produced by

Pancrease
Liver
Dudeneum
Stomach

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