The main source of energy in the stars is _____...? Mcqs

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The main source of energy in the stars is _____...?

(A) Chemical reaction
(B) Nuclear fission

(C) Nuclear fusion
(D) Mechanical energy

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All of the following statements are incorrect except:...?

(A) Precision and accuracy should go side by side in a scientific work
(B) Scientific work must be precise, accuracy is not essential

(C) Scientific work must be accurate, precision is not essential
(D) Calculations must be made before any experiment

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The process whereby energy is dissipated from the oscillating system is called__________...?

(A) Oscillation
(B) Damping

(C) Resonance
(D) None of these

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Which of the following is the hardest substance...?

(A) Copper
(B) Diamond

(C) Iron
(D) Silicon

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What part of the brain controls thirst and hunger...?

(A) Thalamus
(B) Hypothalamus

(C) Aymgdala
(D) None

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Approximate age of milky-way is ________...?

(A) 16.5 billion years
(B) 15.5 billion years

(C) 13.5 billion years
(D) 14.5 billion years

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Asteroids are made mostly of...?

(A) Rock, metal, ice and dust
(B) Rock and metal

(C) Metal and gas
(D) Metal, gas and rock

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The Sun is at an average distance of about________ million kilometers away from Earth...?

(A) 100 million
(B) 150 million

(C) 200 million
(D) 250 million

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In which type of seed the process epigeal germination takes place...?

(A) Dicot Seed
(B) Monocot Seed

(C) Tricot Seed
(D) None

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During the process, more water will also evaporate and convert to a gaseous state of water called the...?

(A) Water Liquid
(B) Water Solid

(C) Water Vapour
(D) Water Ice

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