Ozone layer protects the Earth from __________ radiations from the Sun....? Mcqs

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Ozone layer protects the Earth from __________ radiations from the Sun....?

(A) microwaves
(B) infrared

(C) X-rays
(D) ultraviolet

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The optical phenomenon in which the splitting of white light into seven distinct colors occur is called...?

(A) Refraction
(B) Dispersion

(C) Reflection
(D) Diffraction

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Quartz crystal in quartz watches work on the principle called...?

(A) Photoelectric effect
(B) Stark effect

(C) Thermionic effect
(D) Piezo-electric effect

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Cotyledons are very Important because they ________...?

(A) Store Food
(B) Store Water

(C) Store Air
(D) None of these

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BTU is a unit of________...?

(A) Force
(B) Magnetic flux

(C) Energy
(D) None of these

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How many proton and neutron are present in the nucleus of Deuterium isotope...?

(A) 3 and 2
(B) 2 and 3

(C) 1 and 1
(D) 2 and 2

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If a plants have needle like leaves to which environment would they belong...?

(A) Desert
(B) Grassland

(C) Forest
(D) None

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The northern and the southern hemispheres are separated by ______...?

(A) The International date line
(B) The plane of the Equator

(C) The place of Tropic of cancer
(D) The place of Tropic Capricom

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Diabetes could be classified into______ types....?

(A) Two types
(B) Three types

(C) Four types
(D) None of these

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Albert Einstein was a____________...?

(A) Physicist
(B) Physician

(C) Chemist
(D) Biologist

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