Question
Biology Question on plant growth and development
Which fractions of the visible spectrum of solar radiations are primarily absorbed by carotenoids of the higher plants:
A
Blue and green
B
Green and red
C
Red and violet
D
Violet and blue
Answer
Violet and blue
Explanation
Solution
Carotenoids in higher plants primarily absorb violet and blue fractions of the visible spectrum of solar radiation. These pigments absorb light in the blue and violet regions and play a role in photosynthesis by capturing energy from these wavelengths and transferring it to chlorophyll for photosynthetic processes.
So, the correct option is (D): Violet and Blue