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Biology

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

Pupil
Iris
Retina
Cornea

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Biology
Slow oxidative muscle fiber are best suited for

None of these
Heavy workout in the gym
Running a marathon
Hitting football

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

Hydroxide
Nitrate
Ammonium
Chlorite

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Biology
The Powerhouse of the cell is

Nucleus
Chloroplast
Mitochondria
Endoplasmic reticulum

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Biology
Which one of the following completes the given statement correctly ?Cretinism is a human disorder which is due to the under secretion of

Adrenalin hormone
Glucagon hormone
Thyroxin hormone
Cortisone hormone

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Biology
The ecosystem of a pond is referred as

Benthic
Lentic
Lotic
Xeric

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