Question
Set up an experiment to demonstrate osmosis.
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Describe some flight adapiations of the birds.
What is the difference between parenchyma and collenchyma?
Give the fsour characteristics of algae.
Write short notes on the following disesases:
AIDS.
Write down four characters of Osteichthyes and give two examples.
Why lead compounds are added to petrol? How is it harmful?
Which system of our body is activated in response to infection and how it responds?
Distinguish between mixed cropping and intercropping.
Write a note on bee keeping.