A mode of heat transfer that occurs by the mass motion of a fluid is called...? Mcqs

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A mode of heat transfer that occurs by the mass motion of a fluid is called...?

(A) Radiation
(B) Convection

(C) Conduction
(D) None

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There is no connection of supernova explosion with___________...?

(A) Cosmic rays
(B) Pulsars

(C) The formation of heavy elements
(D) Quasars

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Which one of the following is Metalloid...?

(A) Br
(B) Se

(C) S
(D) Sr

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The _______ test is a color perception test for red-green color deficiencies....?

(A) Hemiplegia
(B) Ishihara

(C) Lalopathy
(D) None of the above

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Wisdom teeth normally grow between the age of___________...?

(A) 34-40
(B) 17-30

(C) 45-55
(D) 10-17

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The atmosphere near the earth’s surface is “heated from below.” Which of the following does not significantly contribute to this heating _____________________...?

(A) Conduction of heat upward from a hot surface
(B) Convection from a hot surface

(C) Absorption of infrared energy that has been radiated from the surface
(D) Heat energy from the earth’s interior

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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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How dark matter is detected...?

(A) Dark matter is detected through its absorption effects
(B) Dark matter is detected through its gravitational effects on visible matter

(C) Dark matter is detected through its absorption and gravitational effects
(D) Dark matter cannot be detected

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In which stage of mitosis when chromatin become thickened, shorten and become visible under a microscope called chromosomes...?

(A) Metaphase
(B) Anaphase

(C) Telophase
(D) Prophase

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The Boolean expression of an OR gate is ______...?

(A) A . B
(B) A + B

(C) A x B
(D) None of these

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