The axis of rotation of the Earth is tilted at an angel of...? Mcqs

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The axis of rotation of the Earth is tilted at an angel of...?

(A) 23.5°
(B) 23.0°

(C) 23.08°
(D) 24.30°

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Rate of evaporation of a liquid can be increased by _____...?

(A) Increasing humidity
(B) Decreasing temperature

(C) Increasing its boiling point
(D) Decreasing atmospheric pressure

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Which of the following animal is secondary consumer...?

(A) Dog
(B) Cat

(C) Cow
(D) Both A and B

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The process of splitting water molecules in the presence of light energy is called_________...?

(A) Electrolysis
(B) Photolysis

(C) Radiolysis
(D) Thermolysis

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The amount of energy required by the children of age between one to three years is___________...?

(A) 300 k Calories
(B) 600 k Calories

(C) 900 k Calories
(D) 1200 k Calories

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A substance which produces hydrogen ion (H+) in the aqueous solution is called...?

(A) Base
(B) Acid

(C) Oxidizing agent
(D) Reducing agent

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Thermal energy transfer required to change a solid into liquid without changing its temperature is called...?

(A) Latent heat of Fusion
(B) Latent heat of vaporization

(C) Latent heat of boiling
(D) Specific heat capacity

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In which mode heat transfer in liquids and gases...?

(A) Convection
(B) Radiation

(C) Conduction
(D) None

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Sound is a form of _____...?

(A) Electrical energy
(B) Thermal energy

(C) Mechanical energy
(D) Chemical energy

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Which is the purest form of water...?

(A) Rain water
(B) Heavy water

(C) Tap water
(D) None of these

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