Q. Hemorrhage occurs when walls of arteries become hard and lose their

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Q. Formation of thrombus in heart can lead to

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Q. Original volume of cell wall is restored after removal of

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Q. Water molecules move rapidly hence possess

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Q. Prothrombin protein acts as a catalyst and help in blood

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Q. Immunity which is achieved by introduction of antigen artificially in body is called

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Q. A degenerative arterial change which is associated with advancing age is called

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Q. Normal flow of blood is facilitated by muscular activity of

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Q. Renal retention of salts and water lead to disease

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Q. Lub' sound is produced when tricuspid and bicuspid valves are

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Q. Transpiration is very essential for plants as it

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Q. Proteins which are synthesized by blood to protect body from nucleic acids and toxins of invading organism

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Q. Double circuit heart is present in

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Q. Water is evaporated from plant through

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Q. More than 90% families of flowering plants have

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Q. Red blood cells are also called

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Q. In Ascent of Sap, water and dissolved minerals are taken up by leaves through

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Q. Movement of stomata are maintained by

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Q. Incipient plasmolysis is stage when plasmolysis

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Q. In Lily and Maize, stomata are present in

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