Question

The diagram alongside shows two test tubes $A$ and $B$. Test tube $A$ contains a green water plant. Test tube $B$ contains both, a green water plant and a snail. Both test tubes are kept in sunlight. Answer the questions that follows.

(v) Give an example of a water plant, that can be used in the above experiment.

Answer 1

• The physiological process being studied here is photosynthesis.
  
• An example of a water plant that can be used in the above experiment is Hydrilla.