Pigments Involved in Photosynthesis – 20 MCQ Quiz
MBBS Anatomy / Radiodiagnosis Quiz

Topic: Pigments Involved in Photosynthesis
Total Questions: 20
Total Marks: 20
Each question carries 1 mark.
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Student Name *
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1. Where are photosynthetic pigments located mainly? *
2. What is the colour of chlorophyll a? *
3. What is the colour of chlorophyll b? *
4. What is the main function of chlorophyll a? *
5. What is the colour of carotenoids? *
6. What is the colour of carotenes? *
7. What is the colour of xanthophylls? *
8. Which region of light is most effectively absorbed by chlorophylls? *
9. Why do leaves appear green? *
10. In which region do carotenoids absorb mainly? *
11. What does the absorption spectrum show? *
12. What does the action spectrum show? *
13. What are pigment-protein complexes in the thylakoid membrane called? *
14. What does the reaction centre contain? *
15. What is the maximum absorption wavelength for Photosystem I (PSI)? *
16. What is the maximum absorption wavelength for Photosystem II (PSII)? *
17. Which photosystem acts first in the non-cyclic electron transport pathway? *
18. Which of the following is considered an accessory pigment? *
19. What is the function of carotenoids regarding light? *
20. Which pigment helps dissipate excess light energy and protect the photosynthetic apparatus? *
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