Multiple choice

Photosynthetically Active Radiation (PAR) refers to the amount of light accessible for photosynthesis in green plants. The photosynthetically active radiation (PAR) refers to which of the following spectrum of light?

  1. 200 – 400 nm

  2. 10 – 100 nm

  3. 400 – 700 nm

  4. 750 – 900 nm

  5. 800 – 1000 nm

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

The photosynthetically active radiation (PAR) refers to the visible spectrum of light between 400 – 700 nm.