Motion — Science STD 9 — Question

Give one example the following. Solution of a liquid in solid.

In which group of plants seeds are protected by fruits?

Name the device or machines which convert: Electrical energy into sound energy.

What percent of moisture should be present in the food grains at the time of storage?

Which connective tissue connects bone to another bone?

In which type of plants arenchyma is found? Give example.

Group the following and tabulate them as energy yielding, protein yielding, oil yielding and fodder crop. Wheat, rice, berseem, maize, gram, oat, pigeon gram, sudan grass, lentil, soyabean, groundnut, castor and mustard.

How do biotic and abiotic factors affect crop production?

How is a common name misleading?