First Atomic theory was proposed by...? Mcqs

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First Atomic theory was proposed by...?

(A) John Dalton
(B) E.Rutherford

(C) De Broglie
(D) D.I.Mendeleef

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The side view mirrors of vehicles are of which type of mirrors...?

(A) Convex
(B) Concave

(C) Plane
(D) Inverted

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The average weight of man’s brain is 4.8 ounces. What is the average weight of woman’s brain ...?

(A) 4.8 ounce
(B) 5.8 ounce

(C) 5.4 ounce
(D) 4.4 ounce

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The floral part that produces pollen grains is:...?

(A) Sepal
(B) Petal

(C) Anther
(D) Ovary

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Which of the following are made up of two or more substances that are not chemically combined...?

(A) Compounds
(B) Elements

(C) Solutions
(D) Mixtures

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What force is involved when we rub our hands together to warm them in winter and when we rub a matchstick to ignite it...?

(A) Gravity
(B) Friction

(C) Electromagnetism
(D) Inertia

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Despite the fluctuation in human body temperature. The temperature of human body remains at _________...?

(A) 35 °C
(B) 37 °C

(C) 42 °C
(D) 54 °C

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The electronic that have been knocked out of the outer most shell of an atom are known as...?

(A) Free Electrons
(B) Valence Electrons

(C) Core Electrons
(D) Conductors

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The depletion of ozone layer has been caused mainly by _____...?

(A) The release of industrial waste
(B) The deforestation of large area land

(C) The release of chlorofluorocarbons into the atmosphere
(D) None of these

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One calorie is equal to how many joules...?

(A) 4184 joules
(B) 4285 joules

(C) 4286 joules
(D) 4185 joules

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