Detergents dissolved in water help in cleaning clothes by_________...? Mcqs

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Detergents dissolved in water help in cleaning clothes by_________...?

(A) Increasing the temperature of water
(B) Reacting chemically with dirt

(C) Reducing the surface tension of water
(D) Dissolving dirt

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PSR J0108-1431 is the closest known ______________ to Earth...?

(A) Black hole
(B) Red giant

(C) Quasar
(D) Pulsar

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Kinetics is the study of________....?

(A) Motion and its causes
(B) Force and energy

(C) Friction
(D) Heat and temperature

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The process which is essential for continuing and survival of species is __________...?

(A) Digestion
(B) Respiration

(C) Reproduction
(D) Excretion

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Two similar chromosomes in a cell which are similar in shape, size and position of centromere called _______...?

(A) Chromatids
(B) Arms

(C) Homologous
(D) Homology

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Which planets in solar system are called gas giants...?

(A) Outer planets (Jupiter, Saturn and Uranus)
(B) Outer planets (Jupiter, Neptune and Uranus)

(C) Outer planets (Jupiter and Saturn)
(D) Inner planets (Mercury and Earth)

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Weight is the pull of _____ that acts on the mass of an object....?

(A) Stars
(B) Magnet

(C) Gravity
(D) Electrostatic force

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Which of the following is the world’s loudest bird ...?

(A) White bellbird
(B) Peacock

(C) Piha
(D) None of the above

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The amount of space a material object occupies is called its...?

(A) Volume
(B) Matter

(C) Mass
(D) Force

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Substance used in match sticks ...?

(A) Sulphur
(B) Zinc

(C) Acid
(D) Phosphorus

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