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Science MCQ Questions with answers

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Learn Science MCQs [Page 1 of Department 2]

2) Which of the following is an air-borne disease?

(A) Measles
(B) Typhoid
(C) Pink eye
(D) None of the above
Correct Answer - Option (A)

Explanation:
Airborne diseases are the infections spread by airborne transmissions including Chickenpox, Anthrax, Influenza, Measles, Smallpox, Cryptococcosis and Tuberculosis.

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3) A yellow dust appears on the fingers, whenever we touch the middle of a flower. These tiny yellow grains are one of the most precious substances in nature because they contain the secret of plant life.  What is this dust called?

(A) Pollen
(B) Sperm
(C) Spore
(D) Sporocyst
Correct Answer - Option (A)

No Explanation found. Add Explanation and get +2 points.

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4) Which organ of the body produces the fluid known as bile?

(A) Liver
(B) Pancreas
(C) Gall bladder
(D) Kidney
Correct Answer - Option (A)

No Explanation found. Add Explanation and get +2 points.

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5) Which of the following hormones is a steroid?

(A) Oxytocin
(B) Glucagon
(C) Insulin
(D) Estrogen
Correct Answer - Option (D)

Explanation:
Steroid hormone is produced by three endocrine organs. The testes, produces testosterone; the ovaries, produces estrogen; and the adrenal cortex, produces steroid hormones such as cortisol and aldosterone. Steroid hormones are derived from cholesterol and are lipid-soluble molecules.

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6) Which one of the following is not a function of the liver?

(A) Regulation of blood sugar
(B) Enzyme activation
(C) Detoxification
(D) Reproduction
Correct Answer - Option (D)

Explanation:
Liver is the body's largest internal organ. It has many functions in the body like it helps in protein synthesis and blood clotting, manufacturing triglycerides and cholesterol, glycogen synthesis, and bile production. It also detoxifies chemicals and metabolizes drugs.

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7) In which form the chemical compound RDX is used?

(A) As an composition
(B) As an reactor
(C) As an explosive
(D) As an nuclear weapon
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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8) As a vegetable preservative poly______ foam is used.

(A) Uthane
(B) Uriathenes
(C) Urathanes
(D) Urethanes
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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9) Tell the composition of soap?

(A) Sodium salt with fatty acids.
(B) Potassium salt with fatty acids
(C) Both a & b
(D) Sodium and Potassium salt mixed with chemicals
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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10) Which of the following compound is not used as an an alkali?

(A) Sodium hydroxide
(B) Potassium hydroxide
(C) Carbon hydroxide
(D) Nitrogen hydroxide
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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