Air contains volume of carbon dioxide approximately...? Mcqs

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Air contains volume of carbon dioxide approximately...?

(A) 3%
(B) 33%

(C) 0.3%
(D) 0.03%

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The earlier biotechnologist were _____...?

(A) Biologist
(B) Agriculturist

(C) Genetist
(D) Farmers

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The set of colours obtained in seven different colours components way is called...?

(A) Rainbow
(B) Spectrum of Light

(C) Dispersion
(D) Prism

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An object with particles close together and vibrating describes a _______...?

(A) Gas
(B) Liquid

(C) Solid
(D) All three

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Chromosomes first become visible during which phases of mitosis:...?

(A) Prometaphase
(B) Telophase

(C) Prophase
(D) Metaphase

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The M.K.S. system was first introduced by _________ ...?

(A) Giorgi
(B) Archimedes

(C) Eienstein
(D) Newton

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Rate of evaporation of petrol is greater than that of water at room temperature because:...?

(A) petrol molecules do not have any hydrogen bond
(B) petrol is an organic compound

(C) water molecules have small size
(D) petrol molecules have greater size

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In which mode heat transfer in solids...?

(A) Convection
(B) Radiation

(C) Conduction
(D) None

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Patela is a bone of the ________...?

(A) Skull
(B) Leg

(C) Arm
(D) Chest

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What is unit of Pressure...?

(A) Barr
(B) Torr

(C) Pascal
(D) All of these

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