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1) The blood vessels in which there are no valves includes a. veins and capillaries b. capillaries and arteries c. arteries and nerves d. veins and arteries
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2) The ions that flow back to guard cells, from epidermal cells at the end of the day are a. potassium ions b. magnesium ions c. phosphorus ions d. Sulphur ions
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3) The food is moved into tubes of phloem through active transport at a. source b. link c. sink d. all of above
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4) The leukemia is also known as a. skin cancer b. blood cancer c. lungs cancer d. kidney cancer
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5) The diseases that involve blood vessels or heart are called a. vena cava disorders b. hepatic disorders c. cardiovascular disorders d. pulmonary disorders
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6) The normal pH of blood is a. 2.2 b. 5.2 c. 7.4 d. 10.4
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7) The society (ISBT) stands for a. Internal School of Blood Transfusion b. Internal Society of Blood Transfusion c. Internal School of Blood Transfer d. International Society of Blood Transfusion
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8) The tissues which are responsible for the transportation of dissolved substances and water to aerial parts from roots are called a. phloem tissues b. chlorophyll tissues c. mesophyll tissues d. xylem tissues
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9) After entering into the tissues, the arteries are divided into a. aorta b. atrium c. capillaries d. veins
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10) The blood vessels that carry the blood away from the heart are called a. arteries b. capillaries c. pulmonary valves d. veins
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11) The function of renal arteries is to supply blood to a. kidneys b. liver and stomach c. arms and shoulders d. rectum and small intestine
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12) The mutation in hemoglobin genes leads to the production of defective a. hemoglobin b. antigens c. neutrophils d. basophils
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13) The temporary seal at damaged areas is classified as a. clot b. cristae c. sternum d. none of above
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14) The water is drawn into the mesophyll cells from a. xylem b. phloem c. cortex d. epidermis
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15) The phloem tissue consists of a. companion cells only b. sieve tube cells only c. connective cells d. companion and sieve tube cells
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16) The water enters into sieve tubes from xylem via a. osmosis b. diffusion c. fusion d. binary fission
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17) The tissues which are responsible for conduction of dissolved organic food between parts of the body are called a. exothermal tissues b. phloem tissues c. xylem tissues d. endothermal tissues
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18) The period when both atria contracts and blood is pumped towards the ventricles is classified as a. atrial systole b. cardiac diastole c. atrial diastole d. cardiac systole
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19) The person having blood group O have a. antigen A b. antigen B c. No antigens d. none of above
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20) The cancerous mutation in lymph tissue cells or bone marrow leads to defective a. Agranulocytes b. erythrocytes c. leukocytes d. thrombocytes
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