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Class 10 NCERT General Science MCQs-Chapter 5-Life Processes

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  NCERT MCQs of Class 10 General Science, Chapter no 5 (Life Processes) 1) Which of the following is not a life process? (a) Respiration (b) Nutrition (c) Excretion (d) Growth of crystals Answer: (d) Growth of crystals Explanation: Life processes are activities performed by living organisms to sustain life, and growth of crystals is a physical process, not a biological one. 2) What is the primary source of energy for living organisms? (a) Carbohydrates (b) Sunlight (c) Vitamins (d) Proteins Answer: (b) Sunlight Explanation: Sunlight is the primary energy source for life on Earth, as it powers photosynthesis in plants. 3) In which part of the plant does photosynthesis mainly occur? (a) Roots (b) Stem (c) Leaves (d) Flowers Answer: (c) Leaves Explanation: Leaves contain chlorophyll, which captures sunlight to perform photosynthesis. 4) What is the end product of photosynthesis?...
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Class 10 Science NCERT MCQs Chapter 13 Our Environment

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 NCERT MCQs of Class 10 Science, Chapter 13, Our Environment 1) Which of the following is a biotic component of the environment? a) Soil b) Water c) Plants d) Air Answer: c) Plants Explanation: Biotic components include living organisms like plants, animals, and microbes, while abiotic components include non-living things like water, soil, and air. 2) Which of the following is an example of a decomposer? a) Cow b) Grass c) Fungi d) Eagle Answer: c) Fungi Explanation: Decomposers like fungi and bacteria break down organic matter into simpler substances, recycling nutrients into the ecosystem. 3) Which of these organisms is a primary consumer? a) Grass b) Deer c) Lion d) Vulture Answer: b) Deer Explanation: Primary consumers are herbivores that feed on producers (plants) . Deer eat grass, making them primary consumers . 4) What is the ultimate source of energy for all living organisms? a) Water b) Plants c) Sun d) Air A...
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Class 10 Social Science (Contemporary India 2) Chapter 3 Water Resources

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 NCERT MCQs of  Class 10 Social Science(Contemporary India 2), chapter 3, Water Resources 1) What percentage of the Earth's surface is covered by water? a) 29% b) 50% c) 71% d) 90% Answer: c) 71% Explanation: About 71% of the Earth’s surface is covered with water, but only 2.5% is freshwater . 2) Which of the following is the main source of freshwater on Earth? a) Oceans b) Glaciers and ice caps c) Seas d) Underground water Answer: b) Glaciers and ice caps Explanation: Glaciers and ice caps hold about 69% of the world’s freshwater . 3) What is the process of artificial storage and conservation of water called? a) Rainwater harvesting b) Deforestation c) Industrialization d) Groundwater depletion Answer: a) Rainwater harvesting Explanation: Rainwater harvesting involves collecting and storing rainwater for later use . 4) Which river is known as the 'River of Sorrow' in India due to frequent floods? a) Ganga b) Brahmaput...
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