A food label shows 9 kcal per gram; which nutrient is mainly responsible for this energy value A Proteins B
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Chapter 11: Human Health and Hygiene (Set-3)
Which statement best explains why roughage is included in a balanced diet daily A Increases body heat B Makes blood
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Which food group mainly provides vitamins and minerals for daily body functions A Refined sugar items B Fried snacks daily
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Which term best describes a diet that has all nutrients in right amounts A Only protein diet B Only fat
Continue readingChapter 10: Energy, Environment, and Everyday Applications (Set-5)
A fuel releases maximum heat with least smoke when the burning condition ensures A Very low oxygen B Wet fuel
Continue readingChapter 10: Energy, Environment, and Everyday Applications (Set-4)
Which option correctly pairs an energy source with its main category A Wind — non-renewable B Sun — fossil fuel
Continue readingChapter 10: Energy, Environment, and Everyday Applications (Set-3)
Which statement best defines a “fuel” in daily life A Substance making noise B Substance giving heat C Substance making
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Which feature best explains why solar energy is renewable A Sunlight keeps coming B Needs mining process C Forms in
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Which statement best describes renewable energy sources A Refilled naturally B Formed very slowly C Limited in amount D Made
Continue readingChapter 9: Electricity and Magnetism (Set-5)
A wire carries 0.25 A for 4 minutes; how much charge passes through it A 15 C B 30 C
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