The answer for this question would be B
The stem of the plant should be cut at least three to four inches above the surface level.
The glass capillary should be tightly fixed with the stem.
The initial water level and the final water level should be carefully noted.
The droplets on the leaves should be observed and conclude that these drops are not from transpiration.
Are there choices to choose from, because that is a very general question?
Answers 1-15. I didn’t know if you needed a letter or not so I just put it just in case.