| 1. | The filtration units of kidneys are called ? | |
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neurons
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urethra
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nephrons
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ureter
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Report Question| 2. | When air is blown from mouth into a test-tube containing lime water, the lime water turns milky due to the presence of ? | |
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water vapour
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nitrogen
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carbon dioxide
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oxygen
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| 3. | Oxygen liberated during photosynthesis comes from ? | |
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glucose
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chlorophyll
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water
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carbon dioxide
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| 4. | Which part of alimentary canal receives bile from the liver ? | |
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Oesophagus
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Large intestine
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Stomach
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Small intestine
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| 5. | Haemoglobin is ? | |
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Respiratory pigment
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Carbohydrate
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Vitamin
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Skin pigment
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| 6. | Arteries carry oxygenated blood except ? | |
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Systemic
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Hepatic
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Pulmonary
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Cardiac
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| 7. | Name a circulatory fluid in the human body other than blood ? | |
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Plasma
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Lymph
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RBC
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Platelets
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| 8. | The instrument used to hear heart sound is ? | |
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Haemometer
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Stethoscope
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Sphygmomanometer
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Electrocardiograph
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| 9. | A blood vessel which pumps the blood from the heart to the entire body ? | |
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Haemoglobin
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Vein
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artery
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capillary
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| 10. | Which is the first enzyme to mix with food in the digestive tract ? | |
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Amylase
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Trypsin
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Cellulase
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Pepsin
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