Question

A teacher assigns a project work to the students of grade 9 on the topic osmosis. They were

asked to take three potato cups named A,B and C. Out of the three ,the cup was boiled. They

had to keep all the three cups in a trough containing water. They were also asked to keep the

cup A empty, put one teaspoon sugar in each cup B and C .They had to keep the setup fortwo

hours and observe the changes in them.

Now answer the following questions

1) What was the observation in potato cup B? (1)

2) Name the osmotic condition of the water in the trough (1)

3) Explain the detail about the findings you noticed in the potato cup C. State the reason(1)

4) Define the term osmosis (1)​

Answer 1

Answer:

trough mean kya kya hai bataiye