NEET Biology: Plant Growth and Development — MCQ Test 3

Q6. Which of the following about differentiation and dedifferentiation is correct?

Q7. Which parameter is commonly used to measure growth in a dorsiventral leaf?

Q8. Who discovered the plant hormone responsible for phototropism?

Q9. Which of the following statements about auxins is incorrect?

Q10. Which of the following about plant growth measurement is incorrect?

NEET Biology — Plant Growth and Development

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Which phase of growth is characterized by maximum cell enlargement and thickening of cell walls?

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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 Characterized, Enlargement, Thickening, Produces, Thinning, and Cherries.

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 phase of growth is characterized by maximum cell enlargement and thickening of cell walls?

  • A. Meristematic phase
  • B. Elongation phase
  • C. Maturation phase
  • D. Lag phase

Q2. Which type of growth pattern produces a sigmoid curve?

  • A. Arithmetic growth
  • B. Geometric growth
  • C. Linear growth
  • D. Exponential growth

Q3. Which plant hormone is used for thinning of cotton, cherries, and walnuts?

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

Q4. What happens if cytokinin is not added to a plant tissue culture medium?

  • A. Root formation is inhibited
  • B. Shoot formation is inhibited
  • C. Flowering is delayed
  • D. Leaf abscission increases

Q5. Which plant hormone is known as the 'stress hormone'?

  • A. Auxin
  • B. Gibberellin
  • C. Abscisic acid
  • D. Cytokinin

+ 5 more questions in the actual test

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