NCERT · Class 7 · Science · Transportation in Animals and PlantsWhat is the instrument used by doctors to amplify the sound of the heart?
Step-by-Step Solution
A stethoscope is used by doctors as a device to amplify the sound of the heart. It consists of a chest piece that senses sound, two ear pieces, and a tube joining them.
Detailed Options Breakdown
Option : Thermometer
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Transportation in Animals and Plants.
Option 1: Stethoscope (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Barometer
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Transportation in Animals and Plants.
Option 3: Sphygmomanometer
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Transportation in Animals and Plants.
💡 Study Guide: This question tests core syllabus concepts from Transportation in Animals and Plants. For formulas, key summaries, and mock exam reference guides, read the full Transportation in Animals and Plants Revision Notes.