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Light Reaction Questions

Practice 7 Light Reaction questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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7
Total Questions
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3
Easy
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3
Medium
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1
Hard
Practice by Exam:Biology(7)

About Light Reaction — practice questions, PYQs & concepts

Light Reaction is a frequently-tested topic on Biology. ExamTest.live currently lists 7 Light Reaction questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

Light Reaction weight in competitive exams

Across our Light Reaction question bank, the largest sources are Biology (7). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 3 easy Light Reaction questions are available — build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right — the explanation often surfaces a faster approach you can reuse.

All Light Reaction Questions(1–7 of 7)

Filter:
Q1mediummcqBiologyNEET (UG) 20182026
Which of the following is not a product of light reaction of photosynthesis?
Q2hardmcqBiologyNEET 2020 E12026
In light reaction, plastoquinone facilitates the transfer of electrons from:
Q3mediummcqBiologyNEET 20212026
Which of the following statements is incorrect?
Q4easymcqBiologyNEET 20232026
The reaction centre in PS II has an absorption maxima at:
Q5mediummcqBiologyBiology
The first acceptor of electrons from an excited chlorophyll molecule of photosystem II is:
Q6easymcqBiologyBiology
Electrons from excited chlorophyll molecules of Photosystem II are accepted first by:
Q7easymcqBiologyBiology
Cyclic photophosphorylation results in the formation of:

Frequently Asked Questions

How many Light Reaction questions are on ExamTest.live?▼
We have 7 Light Reaction questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Light Reaction MCQs free?▼
Yes. All Light Reaction questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Light Reaction questions?▼
Light Reaction questions are commonly asked in Biology. You can filter by exam using the links above.
How do I practice Light Reaction questions effectively?▼
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.