Silicon is an example of _________...? Mcqs

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Silicon is an example of _________...?

(A) No-conductor
(B) Semiconductor

(C) Super Conductor
(D) None of these

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A gas in a container of fixed volume is heated. What happens to the molecules of the gas...?

(A) They collide less frequently
(B) They expand

(C) They move faster
(D) They move further apart

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Units of electricity consumed by 2500 watt air-conditioner in one hour are_________...?

(A) 25 units
(B) 2.25 units

(C) 2.5 units
(D) 0.25 units

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The protein content in wheat is approximately_______________...?

(A) 6%
(B) 9%

(C) 12%
(D) 15%

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Lock Jaw i.e. difficulty in opening the mouth, is a symptom of___________...?

(A) Chlorea
(B) Plague

(C) Diphtheira
(D) Tetanus

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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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Segmented Worms take breath through:_________...?

(A) Mouth
(B) Nose

(C) Moist Skin
(D) Head

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Animal that eat the primary and secondary consumers are called...?

(A) Tertiary Consumer
(B) Primary Consumer

(C) Secondary Consumer
(D) None

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The Analytical Chemistry deals with instruments and methods to ______ identify and quantify the matter....?

(A) Mix
(B) Separate

(C) Differentiate
(D) Manipulate

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An atom is_____________...?

(A) smallest indivisible particle in an element
(B) smallest particle of an element which can undergo a chemical reaction

(C) building block of an element
(D) always smaller than molecule

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