Option 1: Violet and red light are absorbed by chlorophyll. This means that chlorophyll molecules are able to capture and use energy from these specific wavelengths of light.
Option 2: Indigo and orange light are not mentioned as being absorbed by chlorophyll, so this option is incorrect.
Option 3: Blue and red light are not specifically mentioned as being absorbed by chlorophyll, so this option is incorrect.
Option 4: Violet and yellow light are not mentioned as being absorbed by chlorophyll, so this option is incorrect.
Therefore, the correct answer is Option 1: Violet and red light are absorbed by chlorophyll.