A bird sitting on a high tension electric wire does not get electrocuted because:...? Mcqs

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A bird sitting on a high tension electric wire does not get electrocuted because:...?

(A) Sit has high resistance
(B) the body is earthed

(C) it does not form a closed path for the flow of current
(D) its feet are good insulators

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A state of stress caused by concern for the earth’s environment is called...?

(A) Eco-anxiety
(B) Eco-fear

(C) Eco-depression
(D) Eco-alarm

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The molecular model of DNA which suggests the basic mechanism replication was proposed by...?

(A) James Watson and Francis Crick
(B) Charles Darwin and Gregor Mendel

(C) Louis Pasteur and Robert Koch
(D) Albert Einstein and Max Planck

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____________ contains 75–80 % of the mass of the atmosphere....?

(A) Stratosphere
(B) Mesosphere

(C) Thermosphere
(D) Troposphere

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Water is 50 times more viscous than ____________ ...?

(A) Oil
(B) Alcohol

(C) Gases
(D) Solid

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The muscles, tissues and blood all are made up of____________...?

(A) Carbohydrate
(B) Proteins

(C) Vitamins
(D) Fats

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The principal constituent of the atmosphere of the Earth is...?

(A) Oxygen
(B) Carbon

(C) Hydrogen
(D) Nitrogen

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Volcanoes can also be caused by _____ so called ‘hot spots’....?

(A) Ash
(B) Gases

(C) Mantle Plumes
(D) None of these

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Who discovered blood circulation...?

(A) Carl Linnaeus
(B) Francis Crik

(C) Robert. Brown
(D) William Harvey

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In human, Which body part develop first ...?

(A) Heart
(B) Brain

(C) Lungs
(D) Kidneys

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