Question

The diagram below shows a set-up used to investigate a certain process in plants.
         

1. Identify the process being investigated. 
2. Name the equipment represented by the diagram above.
3. Give two precaution that should be taken when setting up this experiment.

Answer 1

1. Transpiration
2. Potometer
3.  
   1. All air bubbles in the capillary tube should be expelled before the experiment.
   2. Cut off the last few centimeters of the stem under water.
   3. Some jelly should be applied around the stem and rubber bung.
   4. The end of the capillary tube should rest in water in the beaker.
   5. The leafy shoot should be from a herbaceous plant.

Answer 2

1Transpiration 

Answer 3

2.potometer
3.the first bubbles should be eliminated 
The root should be cut at the end

Answer 4

3.the first air bubbles should be eliminated 

Answer 5

The root should be cut at the end 

Answer 6

Jelly should be applied at the end of the root

Answer 7

Transpiration 

Answer 8

2.potometer
3.¹air bubbles in the capillary  tube  should be expelled before the experiment.
²the leaf stem should be obtained in a herbaceous plant.
³cut off the last few centimeters  of the stem under water

Answer 9

Potometer