Pollutants that are introduced into the environment by human activity are called as ___________...? Mcqs

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Pollutants that are introduced into the environment by human activity are called as ___________...?

(A) Qualitative pollutants
(B) Quantitative pollutants

(C) Anthropogenic pollutant
(D) All of Above

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Which of the following is/are multicellular organisms (many-celled)...?

(A) Fungi
(B) Plants

(C) Animals
(D) Both A and B

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An average human heart beats about time in a minute...?

(A) 72 times
(B) 85 times

(C) 90 times
(D) 120 times

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Which gas is produced when trees and fossil fuels are burnt...?

(A) Carbon monoxide
(B) Carbon dioxide

(C) Nitrogen oxide
(D) Oxygen

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what are stars mainly made of ...?

(A) Balls of gass
(B) Rock

(C) Ice
(D) Light

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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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Sequence of physiological changes by which cell commit suicide...?

(A) Apoptosis
(B) Necrosis

(C) Autophagy
(D) Both A and B

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Outer layer of the human skin is called __________...?

(A) Hypodermis
(B) Dermis

(C) Hemidermis
(D) Epidermis

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Which of the following are made up of two or more substances that are not chemically combined...?

(A) Compounds
(B) Elements

(C) Solutions
(D) Mixtures

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What are the three "R's" to remember about waste management...?

(A) Reduce, Reuse, and Recycle
(B) Remove, Return, and Relocate

(C) Refuse, Retrain, and Redeem
(D) None of these

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