1) A vast sandy area that gets very little rainfall a) mountain b) desert c) plain 2) The boundary area between land and sea a) Coastal region b) marshy area c) plain 3) Peepul is an example of a) mountain tree b) evergreen tree c) deciduous tree 4) The natural environment in which an organism live and grow a) habitat b) adaptation c) camouflage 5) Animals that spend most of their time on trees a) terrestrial animals b) arboreal animals c) aquatic animals 6) They are excellent swimmers a) polar bear b) penguin c) both a) and b) 7) They have special glands to filter out excess salt from water a) camel b) polar bear c) penguins 8) This help birds to fly a) hollow bones b) wings c) both a) and b) 9) They live both on land and in water a) amphibians b) aerial c) aquatic 10) The process of long summer sleep a) aestivation b) hibernation c) adaptation 11) The ability of animals to blend in surroundings a) camouflage b) hibernation c) adaptation 12) It is harvested as a feed for poultry a) duckweed b) hyacinth c) hydrilla 13) The largest mangrove are found in a) Bay of Bengal b) Indian Ocean c) Arabian Sea 14) Chemical compound to clean water a) Alum b) None of these c) Clearing Nut tree 15) Another name of clearing nut tree a) Alum b) Nirmal seeds c) Nirmali seeds 16) frozen form of dew a) Mist b) Hail c) Frost 17) Surest method of water purification a) Adding alum b) Boiling c) Adding nirmali seeds 18) Higher the temperature a) slower the rate of evaporation b) Higher the rate of evaporation c) doesn't affect the rate of evaporation 19) Tiny water droplets combine together to form a) hail b) cloud c) snow 20) Water vapour condensed on dust particles in air to form a) frost b) fog c) snow 21) Water changes to water vapour during the process of a) condensation b) none of these c) precipitation 22) force that resists motion a) frictional force b) muscular force c) gravitational force 23) Ball falling down on the floor a) frictional force b) muscular force c) gravitational force 24) A batsman hitting the ball a) muscular force b) frictional force c) gravitational force 25) The capacity to do work a) force b) friction c) energy 26) stretching of rubber band a) push b) work c) pull 27) Energy stored in food made by plants a) Chemical energy b) Solar energy c) Muscular energy 28) Less friction a) roads b) ground c) snow 29) Universal solvent a) oil b) water c) paint 30) Insoluble in water a) sand b) sugar c) milk 31) ways to dissolve solute quickly a) heating the solvent b) using powdered form of solute c) both a) and b) 32) In a lemonade, solute is a) lemon juice b) sugar c) both a) and b) 33) Effect of breeze on the rate of evaporation a) increase b) decrease c) none of these 34) If the cactus will not have succulent stem a) it will not be green in colour b) it will not be able to grow c) it will not be able to store and absorb water 35) If the coconut palm will not have sturdy stem a) it will break easily b) it will bend easily c) both a) and b)

Grade 4 science

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