Nature as a source of scientific ideas — task. Science CBSE, Class 7 New.

PDF chapter test TRY NOW

Choose the correct answer below:

1. Which technology was developed by studying the swimming movement of fish?

Robots that walk
Aeroplane wings
Submarines and underwater vehicles
Self-cleaning surfaces

2. The shape of lotus leaves inspired the development of surfaces that are

rough and sticky
soft and flexible
water-repellent and self-cleaning
heavy and strong

Login or Fast registration

Previous exercise

Exit to the topic

Did you find an error?

Register for free to see more content

Register for free to see more content