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Biology

Biology
Pellagra is caused due to the deficiency of

Riboflavin
Thiamine
Niacin
Pyridoxine

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Biology
PH value of human blood is

9.2
8.4
8.1
7.4

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Biology
When the diaphragm and external intercostal muscles contract,

The volume of the thorax decreases
The volume of the lungs decreases
The volume of the thorax increases
The lungs shrink

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Biology
The pollination by snail is called

Zoophily
Chiropteriphily
Entomophily
Malacophily

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Biology
The basic functional unit of Kidney is

Nephridium
Pyramid
Loop Henele's
Nephron

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Biology
A viral species is a group of viruses that

Same genetic information
Same ecological niche
None of these
Both A & B

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