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Science, , (www.tiwariacademy.com), (Chapter - 11) (Transportation in Animals and Plants), (Class - VII), , Exercises, , Question 1:, Match structures given in Column I with functions given in Column II., , Column I Column II, , (i) Stomata (a) Absorption of water, , (ii) Xylem (b) Transpiration, , (iii) Root hairs (c) Transport of food, , (iv) Phloem (d) Transport of water, , (e) Synthesis of carbohydrates, , €. Answer 1:, , Column I Column II, , (i) Stomata (b) Transpiration, , (ii) Xylem (d) Transport of water, , (iii) Root hairs (a) Absorption of water, , (iv) Phloem (c) Transport of food, , Question 2:, Fill in the blanks., (i) The blood from the heart is transported to all parts of the body by the, , (ii) Haemoglobin is presentin___cells., , (iii) Arteries and veins are joined by a network of, , (iv) The rhythmic expansion and contraction of the heart is called, , (v) The main excretory product in human beings is, , (vi) Sweat contains water and, , (vii) Kidneys eliminate the waste materials in the liquid form called, , (viii) Water reaches great heights in the trees because of suction pull caused by, €. Answer 2:, , (i) The blood from the heart is transported to all parts of the body by the arteries., (ii) Haemoglobin is present in red blood cells., , (iii) Arteries and veins are joined by a network of capillaries., , (iv) The rhythmic expansion and contraction of the heart is called heartbeat., , (v) The main excretory product in human beings is urea., , (vi) Sweat contains water and salt., , (vii) Kidneys eliminate the waste materials in the liquid form called urine., , (viii) Water reaches great heights in the trees because of suction pull caused by transpiration., , Question 3:, , Choose the correct option:, , (a) In plants, water is transported through, , (i) xylem (ii) phloem (iii) stomata (iv) root hair, , (b) Water absorption through roots can be increased by keeping the plants, , (i) in the shade (ii) in dim light (iii) under the fan _ (iv) covered with a polythene bag, €. Answer 3:, , (a) In plants, water is transported through (i) xylem., (b) Water absorption through roots can be increased by keeping the plants (iii) under the fan., www.tiwariacademy.com, A Step towards free Education, erg, 1