When a star becomes a singularity and has zero volume and infinite density, it is called_______________...? Mcqs

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When a star becomes a singularity and has zero volume and infinite density, it is called_______________...?

(A) White dwarf
(B) Blue giant

(C) Wolf-Raynet star
(D) Black hole

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The type of electromagnetic wave used in security scanners at night is ______...?

(A) Microwaves
(B) Infra-red

(C) Radio waves
(D) X-ray

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Which one of the following animal is a decomposer...?

(A) Mould
(B) Wolf

(C) Bird
(D) Cat

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Fog is an example of _________...?

(A) Gas in gas
(B) Gas in liquid

(C) Liquid in Gas
(D) Liquid in liquid

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If we reverse the direction of electric current, then the direction of the magnetic field will be...?

(A) Reversed
(B) Remain same

(C) Become tangent
(D) Become normal

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More than 50% of the Earth’s crust consists of ______ plains....?

(A) Abyssal
(B) Indus

(C) Low land
(D) None of these

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Inside which organ is the gallbladder located...?

(A) Pancreas
(B) Liver

(C) Kidney
(D) Small intestine

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When an oscillating object is in simple harmonic motion, its maximum speed occurs when the object is at its _____...?

(A) Highest point
(B) Lowest point

(C) Equilibrium point
(D) Extreme point

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A seed can germinate in the absence of__________...?

(A) Oxygen
(B) Light

(C) Moisture
(D) Temperature

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The moon’s surface is also covered with a layer of fine dust called...?

(A) Gegolith
(B) Megolith

(C) Regolith
(D) None of the above

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