Light reaches us from the Sun is about 8 minutes and from Sirius in about _____...? Mcqs

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Light reaches us from the Sun is about 8 minutes and from Sirius in about _____...?

(A) 8 minutes
(B) 8 days

(C) 8 months
(D) 8 years

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Scientific reasoning based on “if-then” statement called...?

(A) Inductive reasoning
(B) Deductive reasoning

(C) Scientific reasoning
(D) None

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When oil and gas resources are burnt they kill many forests and lakes by ________________ ...?

(A) deforestation
(B) water pollution

(C) acid rain
(D) forest fire

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Sounds travel faster through solids than _______...?

(A) Liquid
(B) Gases

(C) Solids
(D) Both A and B

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The time taken by Sun to revolve around the center of our galaxy is___________...?

(A) 150 million years
(B) 250 million years

(C) 300 millon years
(D) 350 millon years

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Carpology is a discipline devoted to the study of what...?

(A) Corbons
(B) Cubes

(C) Seeds and fruits
(D) Infertile soils

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Colour of the plants is green due to the presence of _________....?

(A) Carbon dioxide
(B) Chlorophyll

(C) Urea
(D) Oxygen

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Qc can be defined as _____...?

(A) Ratio of product and reactants
(B) Ratio of molar concentration of product and reactant at specific time

(C) Ratio of molar concentration of product and molar volume of reactant
(D) Ratio of molar concentration of product and reactant raised to the power of coefficient

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A _______ with a rod, called an axle, through its center lifts or moves loads....?

(A) Wheel
(B) Pulley

(C) Lever
(D) Inclined Plane

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Which fluid is used in hydraulic power systems...?

(A) Water
(B) Oil

(C) Non-compressible fluid
(D) All of these

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