AP BIOLOGY

PHOTOSYNTHESIS

PHOTOSYNTHETIC PIGMENTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The pigment responsible for yellow and orange colors in leaves is:
A
anthocyanins
B
chlorophyll
C
carotenoids
D
melanin
Explanation: 

Detailed explanation-1: -Carotenoids. Carotene is a pigment that absorbs blue and indigo light, and that provides rich yellows and oranges. The distinctive colors of mango, carrots, fall leaves, and yams are due to various forms of carotene, as is the yellow of butter and other animal fats.

Detailed explanation-2: -Yellow and Orange Pigments are Carotenoids The yellow and orange pigments in fall leaves are known as carotenoids.

Detailed explanation-3: -3 Carotenoids. Plant pigments that are responsible for their yellow, bright red, and orange color are carotenoids that play a key role in plant health. Therefore, consumption of foods that have carotenoids provide various health benefits to the human body.

Detailed explanation-4: -The carotenoids will absorb and transmit yellow and orange wavelengths of light, so the light reaching the viewer’s eye will consist of only yellow and orange wavelengths. This will cause the vegetable or leaf to appear yellow or orange.

Detailed explanation-5: -Carotenoids are tetraterpene pigments, which exhibit yellow, orange, red and purple colors. Carotenoids are the most widely distributed pigments in nature and are present in photosynthetic bacteria, some species of archaea and fungi, algae, plants, and animals.

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