In which experimental setup shown above would you expect the

In which experimental setup shown above would you expect the Elodea plant inside the test tube to produce the LEAST amount of oxygen?

A. Setup A

B. Setup B

C. Setup C

D. Setup D

Bucket Lamp Elodea Sodium bicarbonate solution Natural Flashlight

Solution

A.

For the production of O2 the two most important factor are presence of light and CO2 and in condition A both are deficient.