Multiple choice

The experiments of which of the following scientists showed that small bubbles were formed around green parts in bright sunlight, while in the dark, they did not?

  1. Joseph Priestley

  2. Julius von Sachs

  3. T. W. Engelmann

  4. Jan Ingenhousz

  5. Cornelius van Niel

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option. He is best known for showing that light is essential to photosynthesis and thus having discovered photosynthesis.