1) It is slightly alkaline, containing non cellular substance______ a) Plasma b) Platelets c) WBC 2) Life span of Erythrocytes is about? a) 100 b) 150 c) 120 3) Which mineral is not demobilized? a) Potassium b) Phosphorus c) Nitrogen d) Calcium 4) The plasma fluid in the blood   a) 50% b) 55% c) 65% d) 60% 5) Which cell is most abundant cells in the human body? a) Red blood corpuscles b) Platelets c) White blood corpuscles 6) One of the type of granulocytes. a) Monocytes b) Neutrophils 7) During which process the basophils release chemicals a) Inflammation b) Osmosis c) Diffusion 8) The heart normally beats ______ times per minute a) 72 - 75 b) 60 - 65 c) 76 - 80 9) Which instrument is used to detect the sound produced by the internal organs of human body a) Sphygmomanometer b) Stethoscope 10) In open type , the blood is pumped by heart into blood vessels that open into blood spaces called as a) Capillaries b) Sinuses c) Veins

BIOLOGY

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