Who invented bifocal eyeglasses...? Mcqs

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Who invented bifocal eyeglasses...?

(A) Ibn-e-Haitem
(B) Benjamin Franklin

(C) Archemedes
(D) None

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Latest MCQs

The material that comes out of a volcano at the time of eruption is:...?

(A) Solid, liquid, gaseous
(B) Solid and liquid

(C) Solid and gaseous
(D) None of these

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Latest MCQs

Chiken egg is composed of _______ cells...?

(A) One cell
(B) 100 cells

(C) 1000 cells
(D) One million cells

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Latest MCQs

A moderator is used in nuclear reactor in order to ...?

(A) Accelerate the neutrons
(B) Slow down the speed of the neutrons

(C) Increase the number of elections
(D) Decrease the number of electrons

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Latest MCQs

CNG stands for...?

(A) Converted Natural Gas
(B) Conduced Natural Gas

(C) Conducted Natural Gas
(D) Compressed Natural Gas

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Latest MCQs

Uncertainty Principle was given by...?

(A) Werner Heisenberg
(B) Farady

(C) John locke
(D) None of these

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Latest MCQs

Water is a highly effective coolant for a car engine because _________...?

(A) Water is good conductor of heat
(B) Water has very high specific heat capacity

(C) Water boils at a comparatively high temperature
(D) Evaporation of water produces lot of cooling

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Latest MCQs

Which of the following diagram shows atoms are bonded with same electronegativity...?

(A) A -----:----- B
(B) A ----------: B

(C) A :---------- B
(D) A --:-------- B

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Latest MCQs

Which of the following plants are called arthrophytes...?

(A) Sphenopsids
(B) Lycopsids

(C) Psilopsids
(D) Pteropsids

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Latest MCQs

Most abundant color in Earth is_________...?

(A) Blue
(B) Green

(C) Brown
(D) Black

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