Question

Science
1. What are microorganism and different type of microorganism?
2. What are common human diseases caused by micro organism. Make a chart on
sheet with specific points like human diseases, causative organism, mode of
transmission and general protective measures.
3. What is nitrogen cycle and nitrogen fixation. Explain with the help of a diagram.
4. What are food preservation methods? Explain. Also define food preservation.
5. How can you show that the pressure of a liquid increase with depth.
6. What does the activity demonstrate? Explain.
7. How can you show the existence of an atmospheric pressure?
8. Write some application of atmospheric pressure from your daily life.
9. Define force different types of forces and its effects?

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Answer 1

Answer:

1.micro organisms are the smallest living organism that we can not see though our naked eyes.

2.HIV,viral etc.

3.nitrogen cycle is the process in which nitrogen is taken by plants through soil and they use it and then release them back to atmosphere through soil.

4.food preservation is the method of packing the food in air tight containers or cans to preserve them from getting spoiled by bacteria.

5.example: take a bottle and a pin and make holes on different heights then you will see that the pressure of water is more at the bottom and less at the upper holes.