Multiple choice

Swiss engineer George de Mestral invented velcro after observing a part of a plant. Which of the following parts of a plant inspired him?

  1. Seeds

  2. Flowers

  3. Fruits

  4. Stem

  5. Leaves

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Swiss engineer George de Mestral invented velcro after studying burrs or seeds that stuck on clothes and animal fur. He noticed that the burrs had hooks that caught on anything with loops. The same mechanism is used in making velcro.