Our Sun is a star and is the closest star to Earth. The next closer star to Earth is known as ____...? Mcqs

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Our Sun is a star and is the closest star to Earth. The next closer star to Earth is known as ____...?

(A) Sirius
(B) Orion

(C) Alpha Centauri
(D) Andromeda

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The “Rising” of the “evening star” indicates the direction of the____________...?

(A) South Pole
(B) East

(C) West
(D) North

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Thermal energy transfer required per unit mass to increase the temperature by 1°C or 1 K is called...?

(A) Latent heat of Vaporization
(B) Specific heat capacity

(C) Latent heat of fusion
(D) Thermal capacity

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Which one of the following is not a plant product...?

(A) Caffeine
(B) Nicotine

(C) Piperine
(D) Saccharin

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The chemicals released from one cell and carried to signal some distant cell through blood are ______...?

(A) Neurotransmitters
(B) Enzymes

(C) Hormones
(D) All of these

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The most abundant element in human body is __________...?

(A) Hydrogen
(B) Blood

(C) Oxygen
(D) Protein

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What is the respiration equation in plants...?

(A) C6H12O6 + 6O2 → 6CO2 + 6H2O
(B) 6CO2 + 6H2O → C6H12O6 + 6O2

(C) 6CO2 + 6O2 → C6H12O6 + 6H2O
(D) 6H2O + 6O2 → C6H12O6 + 6CO2

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Name the material of screen which used in Rutherford atomic model...?

(A) Aluminum foil
(B) Zinc sulphide

(C) Sodium sulphide
(D) Aluminum sulphide

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What would happen to the escape velocity if the mass of the Earth were doubled, keeping the radius the same...?

(A) It would remain the same
(B) It would increase by a factor of 2sqrt{2}2​

(C) It would double
(D) It would decrease by a factor of 2sqrt{2}2

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The gases used in different types of welding would include ___________...?

(A) Oxygen and hydrogen
(B) Oxygen, hydrogen, acetylene and nitrogen

(C) Oxygen, acetylene and argon
(D) Oxygen and acetylene

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