Dyne is the unit of...? Mcqs

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Dyne is the unit of...?

(A) Force
(B) Pressure

(C) Velocity
(D) Momentum

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The waves which are used for line of sight (LOS) communication are called:...?

(A) Space waves
(B) Cable waves

(C) Antenna waves
(D) None of these

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The subatomic particles arriving from outer space having high energy are called...?

(A) Protons
(B) Electrons

(C) Cosmic rays
(D) None of the above

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The Sun produces most of its energy by_____________...?

(A) Nuclear fusion
(B) nuclear fission

(C) Burning hydrogen
(D) None of these

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In an acidic medium, bromophenol blue is yellow and in a basic medium, it is ____...?

(A) Blue
(B) Pink

(C) Red
(D) Yellow

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Why does cytosine not form a bond with adenine...?

(A) Cytosine is unable to form hydrogen bonds with adenine.
(B) Adenine and cytosine have incompatible hydrogen bond donors and acceptors.

(C) Cytosine only pairs with thymine due to their complementary structures.
(D) Adenine is a pyrimidine and cannot bond with cytosine.

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The potential of pure water is ____...?

(A) Zero
(B) 1

(C) 2
(D) 3

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What is the range, in hertz, of the normal human hearing...?

(A) 10 Hz to 10 kHz
(B) 20 Hz to 20 kHz

(C) 2000Hz
(D) 40 Hz to 40 kHz

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Calcium level in the blood is regulated by the: ___________...?

(A) Thyroid
(B) Parathyroid

(C) Adrenal medulla
(D) A and B

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A chronometer meter measures__________...?

(A) Sound waves
(B) Time

(C) Color contrast
(D) Water waves

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