Q. Corpuscles which are combined with potassium are carriers of

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Q. In condition of low oxygen concentration, oxyhaemoglobin is

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Q. There is no involvement of blood in transport of gases in

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Q. Ten pair of apertures in tracheal trunk of cockroach is called

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Q. Photorespiration depend upon

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Q. Water is 50 times more viscous than

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Q. Growth of mycobacterium is accelerated in

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Q. After gaseous exchange, air is removed by process of

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Q. Tissue which is made up of dead cells in older stems is called

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Q. Tobacco weakens walls of

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Q. Efficient respiration is done in Hydra by help of

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Q. Most important metabolic activities of all organisms is

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Q. Inflammatory chemicals which give rise to severe contractions of bronchioles in asthma are

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Q. Ribs and intercoastals muscles constitute walls of

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Q. General names for group of diseases is

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Q. Tuberculosis is a disease which is

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Q. Muscles fibers have iron containing protein called

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Q. Mammals which can stay under ocean for more than two hours without coming up for air are

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Q. One liter of air contain oxygen about

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Q. In a tobacco leaf, there are 12000 stomata per square

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