A gardener is concerned that her greenhouse is getting too hot from too much light, and seeks to shade her plants with coloured translucent plastic sheets. What colour should she use to reduce overall light energy, but still maximize plant growth?
A)green
B)blue
C)yellow
D)orange
E)Any colour will work equally well.

Question

Quizplus · Accepted Answer

Blue light is essential for plant growth as it is absorbed by chlorophyll and used in photosynthesis. Using blue translucent sheets will reduce overall light energy while still providing the necessary light spectrum for optimal plant growth.

A Gardener Is Concerned That Her Greenhouse Is Getting Too