NEET Biology: Plant Growth and Development — MCQ Test 5

Q6. Which type of meristem is responsible for secondary growth in dicotyledonous plants?

Q7. Which statement regarding lateral meristem is correct?

Q8. Which plant growth phase is associated with increased vacuolation, cell enlargement, and new cell wall deposition?

Q9. Which plant hormone is known to regulate stomatal closure during water stress?

Q10. Which plant growth regulator promotes the formation of female flowers in cucumbers, increasing their yield?

NEET Biology — Plant Growth and Development

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Which statement about senescence in plants is incorrect?

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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 Plant Growth and Development. 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 Statement, Senescence, Incorrect, Discovered, Seedling, and Function.

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. Which statement about senescence in plants is incorrect?

  • A. Senescence involves the degradation of chlorophyll.
  • B. Cytokinins accelerate senescence.
  • C. Ethylene promotes leaf abscission.
  • D. Senescence is a form of programmed cell death.

Q2. Select the incorrect statement about plant growth phases:

  • A. The lag phase shows slow growth.
  • B. The log phase shows rapid growth.
  • C. The stationary phase shows reduced growth.
  • D. The maturation phase occurs before the elongation phase.

Q3. Which plant hormone was first discovered due to its role in the 'foolish seedling' disease of rice?

  • A. Auxin
  • B. Gibberellin
  • C. Ethylene
  • D. Cytokinin

Q4. What is the function of kinetin, a cytokinin discovered from autoclaved herring sperm DNA?

  • A. Promotes fruit ripening
  • B. Promotes cell division
  • C. Induces seed dormancy
  • D. Promotes apical dominance

Q5. In arithmetic growth, how does the length of an organ change over time?

  • A. Exponentially
  • B. Linearly
  • C. Logarithmically
  • D. Randomly

+ 5 more questions in the actual test

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