Question 6 โ€” Conditions for microbe growth - Questions at the end of the chapter - Chapter 2 Class 8 - The Invisible Living World: Beyond our (Curiosity)

Last updated at June 7, 2026 by

Q 6
Question

Devise an experiment to test that microorganisms need the right temperature, air, and moisture to grow.

๐Ÿ”— Concept: 2.4 How Are We Connected to Microbes?

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Keep bread slices in different conditions and see where microbes grow.

Explanation

  • Take several bread slices.
  • Keep one warm and moist, one dry, one cold, and one sealed without air.
  • Check them after a few days.
  • Mould grows most on the warm, moist slice with air.
  • This shows microbes need warmth, air, and moisture.
Comparing bread in different conditions shows microbes need warmth, air, and moisture.
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