Where is digested food absorbed into blood in human body ?
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The substance that prevents blood clotting in blood vessels is A) prothrombin
Correct option is C) heparine
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Oxygenated blood is supplied by …….. (i)……… to body parts, deoxygenated blood is carried by ……
C) i – aorta; ii – pulmonary artery
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Read the following sentences. 1. Blood vessels carrying blood from body parts are veins 2. Arteries are not as strong as veins
Answer is (B) 1, 3, 4
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Blood present in human body A) 4 Lts B) 3 Lts
Correct option is C) 5 Lts
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In the stomach, the food is digested to smooth mixture called chyme. But it is not affected by the acid. The reason is
C) The mucus present in the walls of stomach
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Which of the following can convert the absorbed (Solar energy) sunlight into chemical energy ?
C) Producers
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The physiological disorder due to accumulation of heavy metals into human beings through food chain is
A) Renal damage
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Assertion : All chemicals added to food items are called food preservatives. Reason : All these chemicals increase the nutritive value of the food.
(iii) Both assertion and reason are wrong statement.
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Name the type of cells the AIDS virus enters into after getting inside the human body. Explain the sequence of events that the virus undergoes within
Correct Answer - Helper T-cells.
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As a result of respiration, …………. enters the blood in the body and spreads to all parts of the body.
Correct option is (c) oxygen
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