CBSE 7

NCERT Solutions Std 7 Science Transportation in Animals and Plants

Transportation in Animals and Plants   Exercise: 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       …

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NCERT Solutions Std 7 Science Respiration in Organisms

Respiration in Organisms   Exercise: 1). Why does an athlete breathe faster and deeper than usual after finishing the race? Ans: An athlete needs more energy during and after the race. As the demand of energy is high, it needs more supply of oxygen. Therefore to fulfil the demand of oxygen an athlete breaths fast and …

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