What causes the stars in space to absorb and scatter starlight that resulting in a reduction in their brightness...? Mcqs

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What causes the stars in space to absorb and scatter starlight that resulting in a reduction in their brightness...?

(A) Planets and Moons
(B) Asteroids and Comets

(C) Black Holes and Neutron Stars
(D) Dust and Gas

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Which animal can create the loudest sound among any living creature...?

(A) Donkey
(B) Monkey

(C) Humpback whales
(D) None of these

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Diamond is an allotropic form of_______...?

(A) Carbon
(B) Hydrogen

(C) Nitrogen
(D) Silicon

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The amount of heat needed to convert a substance from liquid to gas is called...?

(A) Heat of vaporization
(B) Specific heat

(C) Latent heat of fusion
(D) All

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The turning effect of force is called_________...?

(A) Moment
(B) Momentum

(C) Torque
(D) None of these

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If a machine performs 20 J of work in 10 sec. then it power is ______...?

(A) 200 watt
(B) 20 watt

(C) 2 watt
(D) 0.2 watt

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Which is a water purification technology that uses a semipermeable membrane to remove ions, molecules and larger particles from drinking water...?

(A) Filtration
(B) Reverse Osmosis (RO)

(C) Sedimentation
(D) Distillation

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How much percentage (%) of the Earth's Surface is covered with water...?

(A) 70%
(B) 60%

(C) 90%
(D) 75%

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Cancer can be treated by ___________...?

(A) Antibiotics & vaccines
(B) Radiotherapy & antibiotics

(C) Chemotherapy & radiotherapy
(D) Antibiotics & Chemotherapy

Latest MCQs

Outermost darkest part of kidney is called...?

(A) Renal Cortex
(B) Urethra

(C) Bladder
(D) Both A and C

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