a simple question on Plants?

Question

Is the function of a plant part, such as a leaf, learned by a chemical analysis or by experiment

Answer 1

most of it originally by observation and experiments.
these days they understand chemical reactions better, and may use them more

Answer 2

Functions of plant part can be examined by designing certain experiments based on certain hypothses. Durig experiments, physico chemical, bio-chemical analysis tell us about phtosynthetic, respiratory characteristics, and status of metabolism that is going on inside the leaf.
Microscopy (of different types) will tell us about its structure and supports the assumptions made during biochemical analysis that how leaf is performing diverse functions, how food is synthesized and transported with subsequent utilization.
However, in very simple experiments you can observe a few general information.

regards
Habib Athar

Answer 3

Its both.Any ways isn't chemical analysis a type of experiment.The physio-chemical processes are checked by some experiments which involve physical as well as chemical analysis.

Answer 4

The function of leaf was checked by experiment measuring the gases used and furnished by the leaves. So, you see that the leaves take CO2 and release O2. this is called photosynthesis

Answer 5

by experiment
like if u pour red colored water in a plant's root , it will turn little red in color
you can understand things easily, by experiment

Answer 6

both of them could be possible