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Which human kidney is slightly larger than other one ?

Both are equal
Left
Right
Depends on sex


Left

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Human liver transplants were first performed by Thomas Starzl. In which country, this was performed ?

United States
England
France
Australia


It was performed in the year 1963.

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How many muscles controls the human eye movement ?

Eye.png
4
5
6
7


Each eye has six muscles that control its movements: the lateral rectus, the medial rectus, the inferior rectus, the superior rectus, the inferior oblique, and the superior oblique

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The colored part of the human eye that controls how much light passes through the pupil is known as

Pupil
Iris
Comea
Retina


It is a thin, circular structure in the eye, responsible for controlling the diameter and size of the pupil and thus the amount of light reaching the retina. The color of the iris is often referred to as "eye color."

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What is the name of the substance that gives skin and hair its pigment ?

Ribs
Circulation
Melanin
Comea


It is a ubiquitous natural pigment found in most organisms. The production of melanin in human skin is called melanogenesis.

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Nails are made up of

Ribs
Melanin
Larynx
Keratin


Keratin is the key structural material making up the outer layer of human skin. It is also the key structural component of hair and nails.

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The shape of DNA is known as what ?

Double helix
Single helix
Triple helix
Qudra helix


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Which of the following helps in the clotting of blood ?

Vitamin B1
Vitamin B2
Vitamin K
Vitamin D


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What is the main component of bones and teeth ?

Calcium carbonate
Calcium phosphate
Calcium sulphate
Calcium nitrate


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What percentage of the human body is water ?

0.4
0.55
0.66
0.77


66% of the human body is water.

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