Here is the diagram of an experimental set-up to demonstrate a certain phenomenon in plants.
Would it make a difference if the experimental set-up is kept in bright sunshine?

Q.

Given alongside is the diagram of an experimental set-up to demonstrate a certain phenomenon in plants.

(a) Name the phenomenon being demonstrated.

(b) What is the purpose of putting oil in the test tube ?

(c) What is the purpose of the spring balance in the set-up ?

(d) Would it make a difference if the experimental set-up is kept in bright sunshine ?

Q. Given alongside is the diagram of an experimental set-up to demonstrate a certain phenomenon in a plant.
Name the phenomenon.

Q. Here is the diagram of an experimental set-up to demonstrate a certain phenomenon in plants.
What is the purpose of the spring balance in the set-up?

Q. Here is the diagram of an experimental set-up to demonstrate a certain phenomenon in plants.
What is the purpose of putting oil in the test tube?

Q. The figure given below represents experimental set up with a weighing machine to demonstrate a particular process in plants. The experimental set up was placed in bright sunlight. Study the diagram and answer the following questions:
What is the purpose of keeping the test tube B in the experimental set up?