Ozone layer prevents ______________ radiation from entering the atmosphere...? Mcqs

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Ozone layer prevents ______________ radiation from entering the atmosphere...?

(A) Infra-red
(B) Ultraviolet

(C) X-rays
(D) Gamma rays

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Latest MCQs

Which one of the following is a non-metallic mineral...?

(A) Manganese
(B) Magnesium

(C) Gypsum
(D) Bauxite

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The Oort cloud is estimated to be about __________ AU away from the sun...?

(A) 100,000
(B) 200,000

(C) 300,000
(D) 400,000

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Binocular work on the principle of which one of the following...?

(A) Refraction of Light
(B) Diffraction of Light

(C) Total Internal Reflection of Light
(D) Transmission of Sound

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Atmospheric pressure at sea level is _______...?

(A) 746 mm
(B) 760 mm

(C) 820 mm
(D) None of these

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A change that alters the composition of a substances is known as ____...?

(A) Physical Change
(B) Nuclear Change

(C) Chemical Change
(D) Biological Change

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Role of biotechnology in the production of food based on ___________...?

(A) Decomposition
(B) Respiration

(C) Digestion
(D) Fermentation

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Which instrument is used for viewing the sun...?

(A) Stroboscope
(B) Heliograph

(C) Solograph
(D) None of these

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Which of the following is the form of marble...?

(A) Onyx
(B) Carrara

(C) Calacatta
(D) All of these

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Which of the following is a non-conventional source of energy:...?

(A) Coal
(B) Biogas

(C) Algae
(D) None of these

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