Echo is a ___________ of sound...? Mcqs

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Echo is a ___________ of sound...?

(A) Reflection
(B) Refraction

(C) Interference
(D) None

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Latest MCQs

The major ingredient of leather is__________________...?

(A) Collagen
(B) Polymer

(C) Nucleic acid
(D) None of these

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Latest MCQs

Laughing gas has chemical composition of following two elements ...?

(A) Nitrogen + Hydrogen
(B) Nitrogen + Carbon

(C) Nitrogen + Oxygen
(D) Oxygen + Carbon

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Latest MCQs

The percentage of blood cells in the Blood of human body is _________...?

(A) 40%
(B) 45%

(C) 50%
(D) 60%

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During a total solar eclipse there is most likely to be_____________...?

(A) A decrease in the rate of photosynthesis
(B) An increase in the rate of photosynthesis

(C) A decrease in the rate of respiration
(D) No effect on either photosynthesis or respiration

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In an atomic nucleus, neutrons and protons are held together by: ___________...?

(A) Gravitational forces
(B) Exchange forces

(C) Coulombic forces
(D) Magnetic forces

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With the rise in temperature, metals conductivity____________...?

(A) Remains same
(B) Increases

(C) Decreases
(D) None of these

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Latest MCQs

Sequence of physiological changes by which cell commit suicide...?

(A) Apoptosis
(B) Necrosis

(C) Autophagy
(D) Both A and B

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Latest MCQs

Bees must collect nectar from approximately how many flowers to make 1 pound of Honeycomb....?

(A) 20 million
(B) 1 million

(C) 5 million
(D) None of these

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Latest MCQs

Atmospheric pressure at sea level is _______...?

(A) 746 mm
(B) 760 mm

(C) 820 mm
(D) None of these

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