AP BIOLOGY

PHOTOSYNTHESIS

LIGHT DEPENDENT REACTIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Name an accessory pigment.
A
Chlorophyll a
B
melanin
C
melanone
D
carotene
Explanation: 

Detailed explanation-1: -Chlorophyll a, chlorophyll b, carotene and xanthophyll are different pigments found in a chloroplast. Among these, only chlorophyll a can participate directly in photosynthesis. All other pigments absorb light and transfer it to chlorophyll a. Hence, they are called accessory pigments.

Detailed explanation-2: -Carotenoids in Vegetables -carotene participates as an accessory pigment in light absorption and energy dissipation in photosynthesis, as well as general antioxidant functions.

Detailed explanation-3: -Answer: Accessory pigments are pigments that help with photosynthesis by capturing energy from different wavelengths of light. Chlorophyll-b, Xanthophylls, and carotenoids are examples.

Detailed explanation-4: -The accessory pigments are chlorophyll b, carotenoids, xanthophyll, anthocyanin, phycoerythrin, and phycocyanin. These accessory pigments broaden the range of light that can be absorbed by the plant. However, accessory pigments cannot convert light into energy.

Detailed explanation-5: -Accessory pigments are light-absorbing compounds, found in photosynthetic organisms, that work in conjunction with chlorophyll a. They include other forms of this pigment, such as chlorophyll b in green algal and higher plant antennae, while other algae may contain chlorophyll c or d.

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