A gardener is concerned that her greenhouse is getting too hot from too much light and seeks to shade her plants with colored translucent plastic sheets, the color of which allows passage of only that wavelength. What color should she use to reduce overall light energy but still maximize plant growth?
A) green
B) blue
C) orange
D) Any color will work equally well.

Question

Quizplus · Accepted Answer

Plants primarily use blue and red wavelengths for photosynthesis. Using blue translucent sheets will reduce overall light energy while still allowing a critical wavelength for plant growth.

A Gardener Is Concerned That Her Greenhouse Is Getting Too