Question

Microorganism can be seen with the help
Write true 'T' and false 'F' ageist each statement.
1. It is better to use fertilizers than organic manure ( )
2.The pitch of the sound depends on the length of vibrating column()
3. All viruses are parasitic ( )
4. Cotton is a natural fibre ( )
5. Oxygen gas produced during reaction between metal with acid ( )​

Answer 1

Answer:

Cooton is natural fibre true .

Answer 2

Answer:

1)false

2)true

3)false

4)true

5)false