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Exercises 1. Select the proper option and complete the statements(single, all, double, ionic, carbon, give and take, hydrogen, multiple, share, most, covalent) a. A carbon atom forms a covalent bond with other…

SHORT ANSWER TYPE QUESTIONS 1. What do you understand by reflection ? When does an object become visible to us ? Answer: Reflection is the phenomenon where light rays bounce off…

SHORT ANSWER TYPE QUESTIONS 1.What is static electricity ? Static electricity is the buildup of an electric charge on the surface of an object. This charge remains in one place…

1. What is fertilisation? What is a zygote? Fertilisation is the process where the male gamete (sperm) and the female gamete (egg) fuse together. The single cell formed immediately after fertilisation…

A Fill in the blanks with appropriate words. Winds coming down the Himalayas during winter causes rainfall in winter. There is a drop of 1°C in temperature for every 165 metres above the…

A. Fill in the blank with appropriate words. 1. The largest state in terms of area is ______ Answer. Rajasthan 2. The river Narmada falls in to the _______ Answer.…

1 Which of the following statements about the reasons for conducting elections are false? a. Elections enable people to judge the performance of the government.b. People select the representative of…

Here are some false statements. Identify the mistake in each case and rewrite these correctly based on what you have read in this chapter. a Leaders of the freedom movement…

Here is some information about four countries. Based on this information, how would you classify each of these countries. Write ‘democratic’, ‘undemocratic’ or ‘not sure’ against each of these. a…

1. Complete the statement by filling the gaps using appropriate term from the terms given in the bracket. (slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic,…