Question
Why are legumes desired in crop rotation?
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How are winds produced?
A man drops a 10kg rock from the top of a 5m ladder. What is its speed just before it hits the ground? What is its kinetic energy when it reaches the ground? (8 = 10m/s2)
What is the difference between potential energy and kinetic energy?
Describe the mechanism of osmosis. Give its importance.
What is the difference between gravitational potential energy and elastic potential energy? Give one example of a body having gravitational potential energy and another having elastic potential energy.
Define muscular tissue, Classify and explain different types of muscles with the help of suitable diagrams.
Name the fertilizers whose excessive presence in water bodies results in algal growth. What is the consequence of eutrophication.