CBSE Std 7 Science

NCERT Solutions Std 7 Science Forests Our Lifeline

Forests Our Lifeline       Click here for the solutions of 1). Nutrition in Plants 2). Nutrition in Animals 3). Fibre to Fabric 4). Heat 5). Acids, Bases and Salts 6). Physical and Chemical Changes 7). Weather, Climate and Adaptations of Animals to Climate 8). Winds, Storms and Cyclones 9). Soil 10). Respiration in …

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NCERT Solutions Std 7 Science Water A Precious Resource

Water A Precious Resource Exercise 1). Mark ‘T’ if the statement is true and ‘F’ if it is false: a). The freshwater stored in the ground is much more than that present in the rivers and lakes of the world. (T/F) Ans: True. b) Water shortage is a problem faced only by people living in …

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NCERT Solutions Std 7 Science Electric Current and Its Effects

Electric Current and Its Effects Exercise 1). Draw in your notebook the symbols to represent the following components of electrical circuits: connecting wires, switches in the ‘OFF’ position, bulb, cell, switch in the ‘ON’ position and battery. Ans:   2). Draw the circuit diagram to represent the circuit shown in fig.  Ans:   3). Fig …

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NCERT Solutions Std 7 Science Reproduction in Plants

Reproduction in Plants Exercise: 1). Fill in the blanks. (a) Production of new individuals from the vegetative part of parent is called vegetative propagation. (b) A flower may have either male or female reproductive parts. Such a flower is called a unisexual flower. (c) The transfer of pollen grains from the anther to the stigma …

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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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