Mestral examined the seeds under a:
AMegaphone
BMicroscope
CMetronome
DMicrometer
Answer & Solution
Correct answer: B. Microscope
1. He wondered what made the seeds stick.
2. So he observed these seeds under a microscope.
3. He saw that the seeds had many tiny hooks.
_Source: NCERT Class 5 Environmental Studies, 'Looking Around', Ch 5 'Seeds and Seeds'_
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