NEET Biology: Photosynthesis — MCQ Test 10

Q6. Which of the following statements about the role of water in photosynthesis is correct?

Q7. Which molecule is the final electron acceptor in the light-dependent reactions of photosynthesis?

Q8. Which of the following statements is true about NADP reductase?

Q9. Which of the following statements about cyclic photophosphorylation is true?

Q10. Which of the following wavelengths of light is least effective for photosynthesis?

NEET Biology — Photosynthesis

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What is the role of cytochrome b6f complex in the electron transport chain?

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Biology preparation, focusing specifically on the chapter Photosynthesis. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Cytochrome, Electron, Transport, Productivity, Compared, and Following.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. What is the role of cytochrome b6f complex in the electron transport chain?

  • A. Transfers electrons from PSII to plastocyanin
  • B. Fixes CO₂
  • C. Synthesizes ATP
  • D. Reduces NADP⁺

Q2. Why do C₄ plants have a higher productivity compared to C₃ plants?

  • A. They lack RuBisCO
  • B. They use only cyclic photophosphorylation
  • C. They have a mechanism to minimize photorespiration
  • D. They perform photosynthesis only at night

Q3. Which of the following statements about C4 plants is correct?

  • A. Carbon fixation occurs in bundle sheath cells.
  • B. The first stable product is a three-carbon compound.
  • C. PEP carboxylase efficiently captures carbon dioxide.
  • D. C4 plants are less efficient in hot and dry environments.

Q4. What is the immediate product of photolysis of water in photosynthesis?

  • A. O₂, ATP, and NADPH
  • B. O₂, protons (H⁺), and electrons
  • C. CO₂ and water
  • D. Glucose and oxygen

Q5. Which of the following statements about CAM plants is correct?

  • A. They open their stomata during the day.
  • B. They store carbon dioxide as organic acids at night.
  • C. They fix carbon dioxide using RuBisCO at night.
  • D. They perform the Calvin cycle only at night.

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