MCQ practice · SSC Biology Board questions · Chapter 4: Bioenergetics
In which light does photosynthesis go well?
Think it through first, then pick an option.
- a Green, red
- b Blue, red
- c Yellow, blue
- d Green, blue
Answer and explanation
Correct answer: b Blue, red
Photosynthesis goes well in blue and red light (and in orange and violet).
Why the other options are wrong
- a Green, red: Photosynthesis is poor in green light, so this pair is not right.
- c Yellow, blue: It is not good in yellow light, so this pair is not right.
- d Green, blue: Green light is not good, so the pair fails even with blue.
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