NEET Biology: Photosynthesis — MCQ Test 2

Q6. Which structure in C₄ plants prevents photorespiration?

Q7. Which of the following statements about photorespiration is correct?

Q8. Which of the following statements about cyclic photophosphorylation is correct?

Q9. Which molecule acts as the primary acceptor of CO2 in C4 plants?

Q10. Which factor is most limiting for photosynthesis under natural conditions?

NEET BiologyPhotosynthesis

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Photorespiration occurs due to which of the following reasons?

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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 Photorespiration, Following, Independent, Reactions, Photosynthesis, and Carboxylase.

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. Photorespiration occurs due to which of the following reasons?

  • A. Low oxygen concentration
  • B. High carbon dioxide concentration
  • C. The oxygenase activity of RuBisCO
  • D. Efficient carbon fixation

Q2. Which of the following is a product of the light-independent reactions of photosynthesis?

  • A. Oxygen
  • B. ATP
  • C. Glucose
  • D. NADPH

Q3. Which of the following is a feature of the C4 pathway in plants?

  • A. It forms a three-carbon compound as the first stable product.
  • B. It is less efficient in hot and dry climates.
  • C. It involves spatial separation of carbon fixation and the Calvin cycle.
  • D. Stomata remain open throughout the day.

Q4. What is the role of PEP carboxylase in C₄ plants?

  • A. Fixes CO₂ in mesophyll cells
  • B. Reduces NADP⁺ to NADPH
  • C. Synthesizes ATP
  • D. Breaks down starch

Q5. Which type of phosphorylation occurs only in Photosystem I?

  • A. Cyclic photophosphorylation
  • B. Non-cyclic photophosphorylation
  • C. Substrate-level phosphorylation
  • D. Oxidative phosphorylation

+ 5 more questions in the actual test

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