Q. Excess mucus is secreted and becomes difficult breathing during

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Q. Diffusion in case of mammals is very

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Q. The intaking of drugs excessively is

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Q. The risk of atherosclerosis can be increase due to deposition of fatty substance in inner walls of

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Q. In 1985 about 700 people died due to lung cancer in

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Q. The air spaces enlarge and surface area of lung will be reduced in disorder

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Q. Irritants cyanide and acrolein weaken the inner walls of

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Q. The uncontrolled abnormal division of cell is

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Q. Nicotine stimulates the

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Q. Tar, a brown, sticky substance that accumulates in

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Q. Somking, increase the risk of cancers of mouth, larynx, kidney and

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Q. In pregnant women , the smoking can cause the development of fetus

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Q. Cigerette smoke contain more than_______________ chemicals

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Q. During pregnancy the smoking can produce carboxyhaemoglobin which can reduce the amount of

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Q. Cell is considered to be easier by assuming it as

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Q. Active cells are in size

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Q. Movement rate of substances across cell membrane depends on

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Q. The diffusion of food and oxygen is done through

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Q. Aqueous humor keeps the eye ball

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Q. Region of acute vision is

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