Question 1. (a) Which kind of garbage is not converted into compost by the red-worms? Answer: Garbage containing salt, pickles, oil, vinegar, meat, and milk preparations is not converted into compost by the red-worms. (b) Have you seen any other organism besides red-worms, in your pit? If yes, try to find out their names. Draw …
NCERT Solutions for Class 6 Science Chapter 16 Garbage in, Garbage out Read More »
Question 1. Fill in the blanks in the following : (a) The process of changing water into its vapour is called ______. Answer: Evaporation (b) The process of changing water vapour into water is called ______. Answer: Condensation (c) No rainfall for a year or more may lead to ______ in that region. Answer: Drought …
NCERT Solutions for Class 6 Science Chapter 14 Water Read More »
Question 1. Rearrange the boxes given below to make a sentence that helps us understand opaque objects. Answer : Question 2. Classify the objects or materials given below as opaque, transparent or translucent and luminous or non-luminous: Air, water, a piece of rock, a sheet of aluminium, a mirror, a wooden board, a sheet of …
NCERT Solutions for Class 6 Science Chapter 11 Light, Shadows and Reflections Read More »
Question 1. Correct the following statements and rewrite them in your notebook : (a) Stem absorbs water and minerals from the soil. Answer: Roots absorb water and minerals from the soil. (b) Leaves hold the plant upright. Answer: The stem holds the plant upright. (c) Roots conduct water to the leaves. Answer: Stem conducts water …
NCERT Solutions for Class 6 Science Chapter 7 Getting to Know Plants Read More »
Question 1. Why do we need to separate different components of a mixture? Give two examples. Answer: We need to separate different substances present in a mixture for the following purposes : (1) To remove the unuseful or harmful component. For example – removing tea leaves after making tea. (2) To obtain the useful component …
NCERT Solutions for Class 6 Science Chapter 5 Separation of Substances Read More »
Question 1. Answer the following questions. What are the three layers of the earth? What is a rock? Name three types of rocks. How are extrusive and intrusive rocks formed? What do you mean by a rock cycle? What are the uses of rocks? What are metamorphic rocks? Answer. 1. Crust, mantle, and core are …
NCERT Solutions for Class 7 Social Science Geography Chapter 2 Inside our Earth Read More »
Question 1. Answer the following questions briefly. (a) What is the angle of inclination of the earth’s axis with its orbital plane? (b) Define rotation and revolution. (c) What is a leap year? (d) Differentiate between the Summer and Winter Solstice. (e) What is an equinox? (f) Why does the Southern Hemisphere experience Winter and …
NCERT Solutions for Class 6 Social Science Geography Chapter 3 Motions of the Earth Read More »
Question 1. State any two conditions essential for good health. Complete physical fitness free from any disease. Perfect mental (and social) well being. Answer: State any two conditions essential for being free of disease. Non-overcrowded living conditions, safe drinking water and clean environment. Balanced diet, personal hygiene, exercise and relaxation. Question 2. Are the answers …
NCERT Solutions for Class 9 Science Chapter 13 Why Do we Fall Ill Read More »
Question 1. Suppose you are in a dark room. Can you see objects in the room? Can you see objects outside the room? Explain. Answer. We cannot see objects in the darkroom. But, we can see objects outside the room, in case there is light outside the room. It is so because to see an …
NCERT Solutions for Class 8 Science Chapter 13 Light Read More »
Question 1. Explain why some fibres are called synthetic. Answer. Since man-made fibres are synthesised from petrochemicals, they are called synthetic fibres. Question 2. Mark the correct answer. Rayon is different from synthetic fibres because (a) it has a silk-like appearance (b) it is obtained from wood pulp (c) its fibres can also be woven like those of …
NCERT Solutions for Class 8 Science Chapter 3 Synthetic Fibres and Plastics Read More »
