Given below is the diagram of an apparatus used to study a particular

1.	Given below is the diagram of an apparatus used to study a particular phenomenon in plants : (a) Name the apparatus. (b) What is it used for ? (c) What is the role played by the air-bubble in this experiment ? (d) What is the use of the reservoir ? (e) What happens to the movement of the air-bubble if the apparatus is kept : (i) in the dark; (ii) in sunlight; (iii) in front of a fan ? Give a reason in each case.
Answer» Given below is the diagram of an apparatus used to study a particular phenomenon in plants : (a) Name the apparatus. (b) What is it used for ? (c) What is the role played by the air-bubble in this experiment ? (d) What is the use of the reservoir ? (e) What happens to the movement of the air-bubble if the apparatus is kept : (i) in the dark; (ii) in sunlight; (iii) in front of a fan ? Give a reason in each case.

Given below is the diagram of an apparatus used to study a particular phenomenon in plants : (a) Name the apparatus. (b) What is it used for ? (c) What is the role played by the air-bubble in this experiment ? (d) What is the use of the reservoir ? (e) What happens to the movement of the air-bubble if the apparatus is kept : (i) in the dark; (ii) in sunlight; (iii) in front of a fan ? Give a reason in each case.

Answer»

Given below is the diagram of an apparatus used to study a particular phenomenon in plants :

(a) Name the apparatus.

(b) What is it used for ?

(d) What is the use of the reservoir ?

(e) What happens to the movement of the air-bubble if the apparatus is kept :

(i) in the dark; (ii) in sunlight; (iii) in front of a fan ?

Give a reason in each case.