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Biology

Biology
Through Nitrogen fixation process nitrogen in the atmosphere is converted into

Ammonium
Nitrate
Chlorite
Hydroxide

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Biology
Which one of the following is not a genetic disorder ?

Haemophilia
Down's syndrome
Xerophthalmia
Colour blindness

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Biology
The deposition of cholesterol on the walls of blood vessels causes the arteries to lose their elasticity and get stiffened is called

Hypotension
Arteriosclerosis
Systolic Pressure
Hypertension

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Biology
The organs protected by the thoracic cage include the

None of these
Lungs
Heart
Both a & b

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Biology
What compound directly provides energy for cellular work?

NADH
ADP
NADP
ATP

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Biology
Acetylcholine is

Enzyme
Vitamin
Chemical transmitter
Toxin

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