The type of glass used in making lenses and prism is___________...? Mcqs

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The type of glass used in making lenses and prism is___________...?

(A) Pyrex glass
(B) jena glass

(C) Flintglass
(D) Soft glass

Latest MCQs

The causes of the echo is _____...?

(A) Absorption
(B) Dispersion

(C) Reflection
(D) Refraction

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The phases of the moon are partially the result of the____________...?

(A) Changes in the shape of the moon
(B) Revolution of the moon around the earth

(C) Variations in the moon’s gravitation
(D) Variations in the speed of rotation of the moon

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Which of the following is NOT a renewable energy source...?

(A) Solar energy
(B) Natural gas

(C) Hydro energy
(D) Wind energy

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Select the mismatched one of the following...?

(A) Plantae → Pteridophyta
(B) Fungi → Mucor

(C) Protista → Paramecium
(D) Animalia → Amoeba

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Earth rotates the sun in___________...?

(A) 23 hours 56 min 4 sec
(B) 24 hours

(C) 23 hours 57 min 9 sec
(D) Non of above

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The cold war between the organisms of a community occupying the same habitat is called _____...?

(A) Predation
(B) Competition

(C) Mutualism
(D) Commensalism

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A substance which increases the efficiency of a catalyst is termed as:...?

(A) Promoter
(B) Activator

(C) Retarder
(D) Super catalyst

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The lowest region of the earth’s atmosphere comes between the earth and stratosphere. what is this region’s name...?

(A) Ionosphere
(B) Troposphere

(C) Stratosphere
(D) Mesosphere

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PSR J0108-1431 is the closest known ______________ to Earth...?

(A) Black hole
(B) Red giant

(C) Quasar
(D) Pulsar

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