NEET Biology: Plant Growth and Development — MCQ Test 2

Q6. Which plant hormone is responsible for apical dominance?

Q7. What is the primary role of gibberellins in sugarcane crops?

Q8. What is dedifferentiation in plants?

Q9. In which phase of the growth curve does rapid cell division occur?

Q10. Which type of growth occurs due to the activity of intercalary meristem?

NEET Biology — Plant Growth and Development

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1Question 1 of 10
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Select the correct statement regarding plant growth regulators:

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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, Regarding, Regulators, Following, Heterophylly, and Observed.

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. Select the correct statement regarding plant growth regulators:

  • A. Auxin inhibits root formation.
  • B. Cytokinin promotes apical dominance.
  • C. Abscisic acid induces dormancy.
  • D. Ethylene delays senescence.

Q2. Which of the following about the sigmoid growth curve is correct?

  • A. Lag phase represents rapid growth.
  • B. Log phase shows exponential growth.
  • C. Stationary phase is the phase of cell division.
  • D. Log phase occurs after the stationary phase.

Q3. Which type of heterophylly is observed in coriander?

  • A. Genetic
  • B. Developmental
  • C. Environmental
  • D. None of the above

Q4. Which of the following statements about gibberellins is incorrect?

  • A. Gibberellins promote bolting in rosette plants.
  • B. Gibberellins cause parthenocarpy.
  • C. Gibberellins delay fruit ripening.
  • D. Gibberellins promote seed germination.

Q5. Which plant growth regulator induces parthenocarpy in tomatoes?

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

+ 5 more questions in the actual test

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