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1) The table salt is also known as a. calcium chloride b. magnesium chloride c. potassium chloride d. sodium chloride
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2) The classification of blood which is based on the absence or presence of antigens on RBCs cells is called a. leukocytes group system b. blood group systems c. antigen group system d. erythrocytes group system
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3) The substances that are found in plasma in trace amounts are a. zinc, magnesium and calcium b. phosphorus, Sulphur and copper c. nickel, chlorine and iron d. molybdenum, potassium and boron
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4) The arteries that supply blood to the ribs are called a. hepatic arteries b. dorsal arteries c. intercostal arteries d. celiac arteries
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5) After the contraction of the left ventricle, the oxygenated blood is pumped in a. ventricle b. aorta c. atria d. semi lunar valve
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6) After the loss of the nucleus of red blood cells, the cells a. leaves the blood b. enters the blood c. leaves the kidneys d. enters the kidneys
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7) The blood clots formed by plaques within arteries are called a. thrombus b. vena cava c. rhombus d. embolus
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8) The accumulation of cholesterol results in the formation of substance within arteries called a. basophils b. monocytes c. plaques d. vena cava
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9) The valve which guards the opening between the right ventricle and right atrium is known as a. bicuspid atria b. tricuspid valve c. bicuspid valve d. tricuspid atria
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10) The higher temperatures cause the a. absorption of chloroplasts b. making of chlorophyll c. opening of stomata d. closure of stomata
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11) The valve which prevents the blood backflow to left ventricle from aorta is classified as a. pulmonary tricuspid valve b. aortic bicuspid valve c. pulmonary semi lunar valve d. aortic semi lunar valve
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12) The term used for hardening of arteries is known as a. hepatic disorders b. vena cava disorders c. arteriosclerosis d. atherosclerosis
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13) The function of platelets is a. clotting of blood b. prevention of clotting of blood c. absorption of oxygen d. absorption of water
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14) The evaporated water is carried away from leaves by the a. temperature b. presence of nitrogen c. movement of air d. humidity of air
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15) The thalassemia is also known as a. Ernst's anemia b. Camillo's anemia c. Karl's anemia d. Cooley's anemia
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16) In plasma, the bicarbonate salt and table salt are present in a. trace amounts b. considerable amount c. large amounts d. none of above
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17) The average life of RBCs is a. 250 days b. 220 days c. 120 days d. 180 days
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18) The left atrium pumps and contracts the blood to a. left atrium b. right atrium c. right ventricle d. left ventricle
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19) The kind of granulocytes which destroys the small particles through phagocytosis are a. eosinophils b. neutrophils c. basophils d. chlorophylls
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20) The examples of sinks in plants are a. root hairs b. roots c. stems d. shoots
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