| Column I (Apparatus) | Column II (Uses) | ||
| A. | Parometer | 1. | Measuring the rate of transpiration |
| B. | Ganong?s photometer | 2. | For measuring root pressure |
| C. | Manometer | 3. | Measuring the area of the stomatal openings of a leaf |
A) A-1, B-3, C-2
B) A-3, B-1, C-2
C) A-1, B-2, C-3
D) A-2, B-3, C-1
Correct Answer: B
Solution :
Porometer An instrument for measuring the area of stomatal openings of a leaf by the amount of a gas passing through a given area of it. Ganong?s potometer It is used for measuring the rate of transpiration. Manometer An instrument for measuring pressure of tension (such as root pressure) in gases and liquids.
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