Given alongside is the diagram of an experimental set-up to demonstra

1.	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 ?
Answer» 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 ?

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 ?

Answer»

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 ?

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