| Column-I (Experiment) | Column-II (Aim) | ||
| A | Gridling experiment | P | Ascent of sap |
| B | Cobalt chloride paper method | q | Transpiration |
| C | Crescograph | r | Unequal transpiration on leaf surfaces |
| D | Bell jar experiment | s | Translocation |
A) A = s, B = r, C = p, D = q
B) A = r, B = p, C = s, D = q
C) A = q, B = p, C = s, D = r
D) A = s, B = p, C = q, D = r
Correct Answer: A
Solution :
The girdling experiment (Ringing experiment) is used to demonstrate the translocation in phloem. The cobalt chloride paper experiment is used to demonstrate the unequal transpiration on leaf surface. Cresco graph invented by Sir J.C. Bose to explain the phenomenon of ascent of sap and process of transpiration is demonstrated by Bell Jar experiment.
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