Biology·MCQ Practice

Light Reactions — MCQ Practice

NEET UG
Version 1Updated 21 Mar 2026

Interactive MCQ Practice

Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 6 questions available.

Q1medium

Which of the following statements regarding the light reactions of photosynthesis is INCORRECT?

Q2easy

During the light reactions, the accumulation of protons (H+) occurs in which of the following locations?

Q3medium

Which of the following electron carriers is responsible for transferring electrons from Photosystem II to the cytochrome b6f complex in the Z-scheme?

Q4hard

If a plant is exposed to light but lacks sufficient NADP+, which of the following processes would most likely be favored?

Q5easy

The ATP synthase enzyme in chloroplasts consists of two parts, CF0 and CF1. Which part is embedded in the thylakoid membrane and forms a transmembrane channel for proton movement?

Q6medium

The primary role of accessory pigments like chlorophyll b and carotenoids in the light reactions is to:

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