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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Q. Through stereostopic vision we can see the

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Q. At near point the lens becomes

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Q. For vision of near objects lens is

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Q. Stereostopic vision is for

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Q. For looking at distant objects muscles of ciliary body should be

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Q. Study of interaction of living organisms with other organisms and their environment relates with

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Q. Pneumatophores are specialized root for

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Q. The vascular bundle and supporting tissue of aquatic plants are

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Q. Aquatic animal's gills and toes are designed

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