Question

Identify the diagram, label A, B, C, D, E and write aim and observation of this
Experiment.

Answer 1

Answer:

(i) To show that chlorophyll is necessary for photosynthesis.

ii) Starch test and potassium iodide are mainly used for the test.

iii) Variegated leaf/Coleus leaf (leaf having non-green and green regions)

iv) After performing the starch test, part A turns blue-black with Iodine solution and part B turns brown with Iodine solution.

v) 6CO

2

+12H

2

O

Sunlight

Chlorophyll

C

6

H

12

O

6

+6H

2

O+6O

2