Chlorophylls absorb most light in which colors of the visible range?

• A. Blue and red
• B. Orange and violet
• C. Red and green
• D. Green and yellow

Answer: (A)

Verified step by step guidance

1. Step 1: Understand the role of chlorophyll in photosynthesis. Chlorophyll is a pigment found in plants that absorbs light energy to drive the process of photosynthesis.
2. Step 2: Recall the visible light spectrum, which includes colors such as violet, blue, green, yellow, orange, and red. Each color corresponds to a specific wavelength range.
3. Step 3: Learn that chlorophyll primarily absorbs light in the blue (short wavelength) and red (long wavelength) regions of the visible spectrum. These wavelengths are most effective for photosynthesis.
4. Step 4: Note that chlorophyll reflects green light, which is why plants appear green. This means green light is not absorbed effectively by chlorophyll.
5. Step 5: Eliminate incorrect options based on the absorption properties of chlorophyll. The correct answer is 'Blue and red,' as these are the colors most absorbed by chlorophyll.