Endothermic reactions are those in which ________....? Mcqs

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Endothermic reactions are those in which ________....?

(A) Heat is evolved
(B) Heat is absorbed

(C) Temperature increases
(D) Light is produced

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Speed of any object can be changed by...?

(A) Time
(B) Force

(C) Distance
(D) Mass

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What is cVDPV2...?

(A) Corona Virus New variant
(B) Type-II Cancer

(C) Poliovirus Type-II
(D) Wild Poliovirus

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Which four planets are also called the terrestrial planets...?

(A) Inner planets (Mercury, Venus, Earth, and Mars)
(B) Outer planets (Jupiter, Saturn, Uranus, and Neptune)

(C) Inner planets (Mercury, Venus) and outer planets (Uranus, Neptune)
(D) Inner planets (Earth, Mars) and outer planets (Jupiter, Saturn)

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speed of sound in dry air at 20 °C is___________...?

(A) 353 m/s
(B) 345 m/s

(C) 343 m/s
(D) none of them

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Medium which sends signal from source to destination is known as ________ ...?

(A) Transmitter
(B) Transmission channel

(C) Receiver
(D) Hardware

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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 meaning of Echoes is _______...?

(A) Repeating sounds
(B) Refracted sounds

(C) Absorbed sounds
(D) Amplified sounds

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Leaves contains thin veins to transport _____...?

(A) Oxygen
(B) Carbon Dioxide

(C) Food
(D) Minerals

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Lever, pulley, wedge, wheel, inclined plane and screw is/are an examples of...?

(A) Simple Machine
(B) Compound Machine

(C) Both A and B
(D) None

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