In group electron affinity values decreases from top to bottom because ______...? Mcqs

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In group electron affinity values decreases from top to bottom because ______...?

(A) Atomic size normal
(B) Atomic size increases

(C) Atomic size decreases
(D) Atomic size same

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The transfer of characteristics between parents and offspring is called...?

(A) Evolution
(B) Inheritance

(C) Genetic drift
(D) Mutation

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In a fission nuclear reaction , a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus This nuclear reaction is called ...?

(A) Chemical Reaction
(B) Nuclear reaction

(C) Fission nuclear reaction
(D) Fusion nuclear reaction

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Fats are solids at ______...?

(A) Ordinary room temperature
(B) High temperature

(C) Higher than 50°C temperature
(D) N.O.T

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‘Bar’ is the unit of___________...?

(A) Temperature
(B) Heat

(C) Atmospheric pressure
(D) Current

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The atmospheric greenhouse effect is produced mainly by the __________________...?

(A) Absorption and re-emission of visible light by the atmosphere
(B) Absorption and re-emission of ultraviolet radiation by the atmosphere

(C) Absorption and re-emission of infrared radiation by the atmosphere
(D) Absorption and re-emission of visible light by clouds

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Which layer of the atmosphere lies close to the earth...?

(A) Stratosphere
(B) Mesosphere

(C) Troposphere
(D) Thermosphere

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A six feet tall lady wants to see her full image in a plane mirror . The minimum length of the mirror will be ...?

(A) 6 feet
(B) 12 feet

(C) 4 feet
(D) 3 feet

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Nervous system includes which of these major components...?

(A) Brain
(B) Brain & Back Bone

(C) brain, spinal cord and neurons
(D) None

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Which of these is a micronutrient of plants...?

(A) Oxygen
(B) Nitrogen

(C) Boron
(D) Carbon

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