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Biology

Biology
Acetylcholine is

Enzyme
Vitamin
Chemical transmitter
Toxin

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Biology
A species inhabiting different geographical areas is known as

Sibling species
Allopatric species
Bio species
Sympatric species

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Biology
AIDS is caused by the Human Immunodeficiency Virus (HIV). The transmission of HIV infection generally occurs through

Eating contaminated food and water
Transfusion of contaminated blood and blood products
Inhaling polluted air
Shaking hand with infected person

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Biology
Smallest bone of human body is

Fibula
Bone of nose
Nails
Stapes

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Biology
The bone Humerus is found in

Leg
Fore arm
Thigh
Upper arm

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Biology
Which of the following is true about blood plasma?

The main protein component is hemoglobin
It is the same as serum but without the clotting proteins
It is about 90% water
It is a faint yellow fluid

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MORE MCQ ON Biology

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