One Reason Plants Have Accessory Pigment Molecules, Like Chlorophyll B

Multiple Choice

One reason plants have accessory pigment molecules, like chlorophyll b and carotenoids, is ________.

A) to reflect more energy
B) to absorb energy in parts of the electromagnetic spectrum that chlorophyll a cannot
C) to give them different colors
D) because plants cannot make enough chlorophyll a for all of their energy needs