Science Class 7

Nutrition in Plants MCQ Class 7 Science Set 1 MCQ Chapter 1 Science Class 7 Set 2 MCQ Chapter 1 Science Class 7 Set 3 MCQ Chapter 1 Science Class 7 Nutrition in Animals MCQ Class 7 Science Set 1 MCQ Chapter 2 Science Class 7 Set 2 MCQ Chapter 2 Science Class 7 Set […]

Science Class 7 Wastewater Story Chapter 13 Question Answer

Solutions For All Chapters Science Class 7 Q.1. Fill in the blanks: (a) Cleaning of water is process of removing __________ (b) Wastewater released by houses is called __________. (c) Dried __________ is used as manure. (d) Drains get blocked by __________ and __________. Ans. (a) pollutants (b) sewage (c) sludge (d) (d) chemicals, kitchen […]

Science Class 7 Forests Our Lifeline Chapter 12 Question Answer

Solutions For All Chapters Science Class 7 Q.1. Explain how animals dwelling in the forest help it grow and regenerate. Ans. Animals help in growing and regenerating forests in many ways. Animals work as the cleaning agents in the forest. Microorganisms work on dead bodies of plants and animals and degenerate them. An’imals also help […]

Science Class 7 Chapter 16 Question Answer

Water A Precious Resource Solutions For All Chapters Science Class 7 Q.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) (b) Water shortage is a problem faced only […]

Science Class 7 Light Chapter 11 Question Answer

Solutions For All Chapters Science Class 7 Q.1.Fill in the blanks: (a) An image that cannot be obtained on a screen is called ___________ . (b) Image formed by a convex is __________ always virtual and smaller in size. (c) An image formed by a __________ mirror is always of the same size as that […]

Science Class 7 Electric Current & its Effects Ch 10 Question Answer

Solutions For All Chapters Science Class 7 Q.1.Draw in your notebook the symbols to represent the following components of electrical circuits: connecting wires, switch in the ‘OFF’ position, bulb, cell, switch in the ‘ON’ position and battery. Ans. Q.2. Draw the circuit diagram to represent the circuit shown in Fig.10.21. Ans. Q.3.Fig.10.22 shows four cells […]

Science Class 7 Motion and Time Chapter 9 Question Answer

Solutions For All Chapters Science Class 7 Q.1.Classify the following as motion along a straight line, circular or oscillatory motion : (i) Motion of your hands while running. (ii) Motion of a horse pulling a cart on a straight road. (iii) Motion of a child in a merry-go-round. (iv) Motion of a child on a […]

Science Class 7 Reproduction in Plants Chapter 8 Question Answer

Solutions For All Chapters Science Class 7 Q.1.Fill in the blanks: (a) Production of new individuals from the vegetative part of parent is called ___________. (b) A flower may have either male or female reproductive parts. Such a flower is called _______. (c) The transfer of pollen grains from the anther to the stigma of […]

Science Class 7 Transportation in Animals & Plants Chapter 7 Question Answer

Solutions For All Chapters Science Class 7 Q.1.Match structures given in Column I with functions given in Column II. Ans. Q.2.-Fill in the blanks : (i) The blood from the heart is transported to all parts of the body by the _____________ (ii) Haemoglobin is present in ___________ cells. (iii) Arteries and veins are joined […]

Science Class 7 Respiration in Organisms Chapter 6 Question Answer

Solutions For All Chapters Science Class 7 Q1. Why does an athlete breathe faster and deeper than usual after finishing the race? Answer: During the run, the demand of energy is high but the supply of oxygen to produce energy is limited. Therefore, anaerobic respiration takes places in the muscle cells to fulfill the demand […]

Science Class 7 Chapter 9 Question Answer

Soil Solutions For All Chapters Science Class 7 Q1. Tick the most suitable answer in question 1 and 2. In addition to the rock particles, the soil contains (i) Air and water (ii) Water and plants (iii) Minerals, organic matter, air and water (iv) Water, air and plants Answer: In addition to the rock particles, […]

Science Class 7 Chapter 8 Question Answer

Winds | Storms and Cyclones Solutions For All Chapters Science Class 7 Q.1.Fill the missing word in the blank spaces in the following statements: (a) Wind is ___________air. (b) Winds are generated due to _________ heating on the earth. (c) Near the earth’s surface _________ air rises up whereas _________ air comes down. (d) Air […]

Science Class 7 Chapter 7 Question Answer

Weather, Climate and Adaptations of Animals to Climate Solutions For All Chapters Science Class 7 Q.1.Name the elements that determine the weather of a place. Ans. The temperature, humidity, rainfall, wind-speed, etc. are called the elements that determine the weather of a place. Q.2. When are the maximum and minimum temperature likely to occur during […]

Science Class 7 Physical & Chemical Changes Chapter 5 Question Answer

Solutions For All Chapters Science Class 7 Q.1.Classify the changes involved in the following processes as physical or chemical changes: (a) Photosynthesis (b) Dissolving sugar in water (c) Burning of coal (d) Melting of wax (e) Beating aluminium to make aluminium foil (f) Digestion of food Ans. (a) Chemical change (b) Physical change (c) Chemical […]

Science Class 7 Acids Bases and Salts Chapter 4 Question Answer

Acids Bases and Salts Solutions For All Chapters Science Class 7 Q.1. State differences between acids and bases. Ans. Q.2.Ammonia is found in many household products, such as window cleaners. It turns red litmus blue. What is its nature? Ans. Ammonia has basic nature. Q.3.Name the source from which litmus solution is obtained. What is […]

Science Class 7 Heat Chapter 3 Question Answer

Solutions For All Chapters Science Class 7 Q.1. State similarities and differences between the laboratory thermometer and the clinical thermometer. Ans. Similarities: (i) Both thermometers consist of long narrow uniform glass tubes. (ii) Both have a bulb at one end. (iii) Both contain mercury in bulb. (iv) Both use Celsius scale on the glass tube. […]

Science Class 7 Chapter 3 Question Answer

Fibre to Fabric Solutions For All Chapters Science Class 7 Q.1. You must be familiar with the following nursery rhymes: (i) ‘Baa baa black sheep, have you any Wool.’ (ii) ‘Mary had a little lamb, whose fleece was white as snow.’ Answer the following: (a) Which parts of the black sheep have wool? (b) What […]

Science Class 7 Nutrition in Animals Chapter 2 Question Answer

Solutions For All Chapters Science Class 7 Q.1.Fill in the blanks: (a) The main steps of nutrition in humans are ___________, ___________, ___________ , ___________ and ___________ (b)The largest gland in the human body is ___________. (c) The stomach releases hydrochloric acid and ___________ juices which act on food. (d) The inner wall of the […]

Science Class 7 Nutrition in Plants Chapter 1 Question Answer

Solutions For All Chapters Science Class 7 Q.1. Why do organisms take food? Ans. Food is needed by all organisms for many purposes: (a) The main function of food is to help in growth. (b) Food provides energy for movements such as running, walking or raising our arm. (c) Food is also needed for […]