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विषयों
मुख्य विषय
अध्याय
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Science
Doctors use the stethoscope to hear the sound of the heart. Why?
Chapter: [14] Transportation in Plants and Circulation in Animals
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Explain the construction and working of a ‘Compound Microscope’.
Chapter: [2] Optics
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Value based question
List any three activities based on 4R approach to conserve natural resources.
Chapter: [22] Environmental Management
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