Question

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 1

Answer:(d) violet and blue

The fractions of the visible spectrum of solar radiations are primarily absorbed by carotenoids of the higher plants is the violet and blue.This mainly because the violet and blue have shorter wavelength.Carotenoids are a key group of pigments that absorb violet and blue.The brightly colored carotenoids found in fruit such as the red of tomato,the yellow of corn seeds or the orange of an orange peel are often used as advertisements to attract animals, which can help disperse the plant's seeds.