Plant Growth and Development
If plants are given only visible light it's growth will
- Unusual form
- None of the above
Correct Answer: Option(b)
Solution: If visible light only is given for plants, growth will decrease. Chlorophyll is the most common pigment in photosynthesis, giving leaves their usual green colour. The chlorophyll best absorbs light in the 450 nm (violet-blue) and 650 nm (red) area of the light spectrum.