Which one among the following is an example of decomposition reaction...? Mcqs

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Which one among the following is an example of decomposition reaction...?

(A) The formation of hydrogen and oxygen from water
(B) The formation of water from hydrogen and oxygen

(C) The formation of carbon dioxide from carbon and oxygen
(D) The formation of oxygen from nitrogen and oxygen

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Special type of movement of specific substances through carrier protein is _____...?

(A) Facilitated diffusion
(B) Active transport

(C) Passive transport
(D) Osmosis

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‘Bar’ is the unit of___________...?

(A) Temperature
(B) Heat

(C) Atmospheric pressure
(D) Current

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How many Dynes are there in one gram weight...?

(A) 993
(B) 981

(C) 250
(D) 375

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Sun revolves around milky way in about _____ million years....?

(A) 225
(B) 230

(C) 245
(D) 250

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What is the main function of red blood cells in the human body...?

(A) Transportation of carbon monoxide
(B) Transportation of oxygen

(C) Transportation of carbon dioxide
(D) Transportation of methane

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Which of the following strongly supports the endosymbiont hypothesis of eukaryotic evolution...?

(A) Mitochondria and chloroplasts both have DNA
(B) Mitochondria is free living

(C) Both A and B
(D) None of the above

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Which of the following disorder is associated with degeneration of alveoli...?

(A) Bronchitis
(B) Lung cancer

(C) Asthma
(D) Emphysema

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PVC is obtained by the polymerisation of...?

(A) Propane
(B) Vinyl chloride

(C) Styrene
(D) None of these

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Ethyl alcohol was prepared by ______...?

(A) Ibne-Sina
(B) Al-Razi

(C) Al-Beruni
(D) Jaber bin-Hayan

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