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Latest MCQs

Hygrometer is used for measuring the ______...?

(A) Humidity of air
(B) Speed of sound

(C) Density of milk
(D) Specific gravity of liquids

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Latest MCQs

The chief ingredient of the mosquito repellent cream is derived from...?

(A) Lemon
(B) Neem tree

(C) Rice bran
(D) Tulsi

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Latest MCQs

Which is the largest organ in the human body...?

(A) Liver
(B) Heart

(C) Skin
(D) Kidney

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Latest MCQs

Which one of the following of glass can cut ultraviolet rays...?

(A) Jena Glass
(B) Soda Glass

(C) Pyrex Glass
(D) Crookes Glass

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Latest MCQs

Why normal rain is slightly acidic...?

(A) due to presence of dust in air
(B) carbon dioxide and water in clouds react to form carbonic acid

(C) Ozone depletion
(D) All of these

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Latest MCQs

The scientific study of measurement is known as __________...?

(A) Entomology
(B) Metrology

(C) Ichthyology
(D) Ecology

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Latest MCQs

Which of the following mixture of gases is required in gas welding...?

(A) Oxygen and ethylene
(B) Oxygen and hydrogen

(C) Acetylene and oxygen
(D) Acetylene and hydrogen

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Latest MCQs

The human brain uses__________ percent of the total oxygen and blood in the body...?

(A) 20
(B) 12

(C) 35
(D) 48

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Latest MCQs

The splitting of a heavy nucleus into smaller nuclei is called...?

(A) Fusion
(B) Fission

(C) Half-life
(D) Gamma decay

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Latest MCQs

Which colour has smallest wavelength in the spectrum of white light...?

(A) Red
(B) Blue

(C) Yellow
(D) Violet

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