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question_answer1) Some bacteria benefit mammals by helping in
question_answer2) Which of the following statements is not TRUE about lotus plant?
question_answer3) Which of the following does not help to save the Earth?
question_answer4) An electrical fire should not be put out by using water since there is a danger of
question_answer5) Arteries, veins and capillaries along with blood form the
question_answer6) Which of the following forces act on your hand and pushes it upwards when you push a block of wood in a bucket of water?
question_answer7) Leaves are modified into spines in
question_answer8) Millions of years ago, the Earth consisted of dense forests. When the plants and animals died, they got covered by sand and mud and slowly decayed to form
question_answer9) A tooth decay results in bad breath, cavities and tooth ache. Which of the following causes tooth decay?
question_answer10) Shelled terrestrial vertebrate animals are
question_answer11) Paper bags are preferred to plastic ones because
question_answer12) Which of the following methods kill most of the microbes in drinking water?
question_answer13) In humans, deficiency of which of the following vitamins show the symptoms given below? The bones become soft and bend
question_answer14) Which of the following activities are usually done with levers? (i) Using your arm to lift a handbag (ii) Using scissors to cut cloth (iii) Using a wheel barrow to transfer tools
question_answer15) The fulcrum of a lever acts as the
question_answer16) The disease kwashiorkor is caused due to the Nr lack of certain class of food. Which of the following types of food should be consumed to reduce the risk of kwashiorkor?
question_answer17) The Pulley is mainly used to lift objects above the ground. This opposes
question_answer18) Which of the following blocks is the heaviest?
question_answer19) Grasshopper gets energy by
question_answer20) Which of the following is NOT a form of energy?
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