The ratio of output to input is called...? Mcqs

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The ratio of output to input is called...?

(A) Energy
(B) Work

(C) Power
(D) Efficiency

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Most gases conduct electricity at:...?

(A) Normal pressure
(B) Very low pressure

(C) Very high pressure
(D) None of these

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The process by which living organism increase their numbers is known as...?

(A) Reproduction
(B) Respiration

(C) Digestion
(D) Photosynthesis

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A group of elephants is called___________...?

(A) ZEAL
(B) Herd

(C) MOB
(D) TOWER

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The ISS (International Space Station) orbits Earth about once every...?

(A) 60 minutes at an altitude of about 400 km
(B) 60 minutes at an altitude of about 500 km

(C) 90 minutes at an altitude of about 400 km
(D) 90 minutes at an altitude of about 500 km

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Which living thing would decrease, if the number of frogs increased...?

(A) Hawks
(B) Snakes

(C) Plants
(D) None

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Which of the following is not an Arrhenius acid...?

(A) HCl
(B) CO2

(C) HNO3
(D) H2SO4

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Which of the following is a non-luminous object...?

(A) Burning coal
(B) Glassware

(C) Fireworks
(D) Jupiter

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Centrifugal force is always directed _____...?

(A) Towards centre
(B) Away from centre

(C) Along the circular path
(D) All sides

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Deficiency of Vitamin-D results in __________...?

(A) night blindness
(B) rickets

(C) scurvy
(D) hair fall

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