DENDROLOGY

TREE PHYSIOLOGY

PHOTOSYNTHESIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Chlorophyll absorbs a higher percentage of ____ and ____ light.
A
purple and green
B
red and blue
C
black and orange
D
yellow and green
Explanation: 

Detailed explanation-1: -It is a green pigment present in the leaves of the plant which helps in the process of photosynthesis. Chlorophyll absorbs all colors present in VIBGYOR except the green color. The highest absorption occurs in violet-blue and red regions of visible light.

Detailed explanation-2: -Chlorophyll a absorbs light mostly 430nm (blue) and 662nm (red) wavelength light. It reflects green light so it appears green to us.

Detailed explanation-3: -Chlorophyll is such a molecule, and its specific arrangement of atoms allows it to absorb red and blue light and reflect green light. The absorption of blue and red light is useful for plants that have chlorophyll molecules–plants use the energy from the red and blue light to survive and thrive.

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