Human Eye and Colourful World Class 10 MCQs Questions with Answers Question 1. A student traces the path of a ray of light through a glass prism for different angles of incidence. He analyses each diagram and draws the following conclusion: (I) On enter…

Electricity Class 10 MCQs Questions with Answers Question 1. The values of mA and µA are: (a) 10-6 and 10-9 A respectively (b) 10-3 and 10-6 A respectively (c) 10-3 and 10-9 A respectively (d) 10-6 and 10-3 A respectively Answer: (b) 10-3 A and 10-6 A. …

Magnetic Effects of Electric Current Class 10 MCQs Questions with Answers Question 1. If the key in the arrangement as shown below is taken out (the circuit is made open) and magnetic field lines are drawn over the horizontal plane ABCD, the lines are: …

Our Environment Class 10 MCQs Questions with Answers Question 1. In the given food chain, suppose the amount of energy at the fourth trophic level is 5 kJ, what will be the energy available at the producer level? Grass Grasshopper → Frog → Snake → Hawk …

Management of Natural Resources Class 10 MCQs Questions with Answers Question 1. Which one of the following is responsible for the ……………… water? (a) Loss of vegetation cover (b) Diversion for high water demanding crops (c) Pollution from urban wastes (d…

Chemical Equations: Chemical equations are the symbolic representation of chemical reactions where the reactants and products are written in the form of symbols and formulae on the Left hand side and right hand side of an arrow respectively. Example of …

The reaction of Acids With Bases: Acids react with bases to form salt and water. This is known as neutralization reaction as the effect of a base is nullified by acid and vice-versa. Example: NaOH(aq) + HCl(aq) → NaCl(aq) + H2O(l) Neutralization Reactio…

Indicators These are substances that tell us whether a substance is an acid or a base by change in colour or odour when added into the substance. Types of Indicators: Indicators are classified in the following ways: Natural Indicators Natural indicators…

Basic Events in Reproduction Reproduction is a biological process by which new individuals of the same species are produced by existing organisms. Reproduction is essential for the survival of a species on the earth. The process of reproduction ensures …

Speciation A species is a population of organisms consisting of similar individuals which can breed together and produce fertile offspring. The process by which new species develop from existing species is known as speciation. The important factors whic…