MCQ Questions: Q1: The Earth rotates on its axis in approximately how many hours? a) 12 hours b) 24 hours c) 48 hours

 True/False (a)  The Moon is a luminous object. (b) Transparent materials allow no light to pass through. (c) A kaleidoscope forms changing symmetrical

True/False (i) The food synthesized by the plants is stored as starch. (ii) Plants take carbon dioxide from the atmosphere

Q.1. True/False (i) Digestion of starch starts in the stomach. (ii) The tongue helps in mixing food with saliva. (iii) The

Q.1. True or False (i) The SI unit of speed is kilometre per hour. (ii) Candle clocks were used to measure time

Q.1. True/False (i) Metals are poor conductors of heat. (i) Land breeze occurs during the night. (i) Dark-colored clothes absorb less heat than

Q1: What is the main reason for the development of pimples during adolescence? a) ​Lack of sleep b) Increase in oily secretions

Q.1. True/False (i) Rusting of iron is a physical change. (ii) Evaporation of water is a reversible change. (iii) All physical changes are

Q1: Which metal is commonly used to make food packaging materials as it is cheaper, and its thin sheets can