Practice Test Sets (Total Questions: 100)

Topic Practice: Plant Growth and Development (Test - 2)

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About Plant Growth and Development MCQ - Test 2

Ace Plant Growth and Development for NEET UG with high-yield MCQs, plant hormone functions, photoperiodism, vernalization notes, and complete exam preparatio…

This Plant Growth and Development MCQ practice set is designed for students preparing for school exams and competitive exams. It contains 100 multiple choice questions divided into 2 test sets of up to 50 questions each. Every question has four options, and after answering you can see the correct option, a detailed explanation and how other users answered.

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Sample Plant Growth and Development Questions

  1. Statement I: Vernalization prevents precocious reproductive development late in the growing season. Statement II: It allows plants adequate time to reach vegetative maturity before flowering. Which choice is correct?
    • A. Both statements are true and II explains adaptive value of I
    • B. Both statements are false
    • C. Statement I is true, II is false
    • D. Statement I is false, II is true
  2. Read statements regarding Biennial plants: 1. Biennials are monocarpic plants that normally flower and die in the second season. 2. Sugarbeet, Cabbage, and Carrot are common biennials. 3. Subjecting a biennial plant to cold treatment (vernalization) stimulates subsequent photoperiodic flowering response. Which of the above statements are CORRECT?
    • A. 1 and 2 only
    • B. 2 and 3 only
    • C. 1 and 3 only
    • D. 1, 2 and 3
  3. Consider statements regarding Bioassays: Statement I: Bioassay is a quantitative or qualitative determination of a biological substance using living plant tissue as indicator. Statement II: Avena curvature test is a specific bioassay for Gibberellins. Which option is true?
    • A. Statement I is correct, Statement II is incorrect
    • B. Statement I is incorrect, Statement II is correct
    • C. Both statements are correct
    • D. Both statements are incorrect
  4. Statement I: Seed dormancy caused by endogenous physiological factors can be broken by applying GA3 or Cytokinins. Statement II: Scarification is ineffective for seeds with physiologically immature embryos. Which choice is correct?
    • A. Both statements are correct
    • B. Both statements are incorrect
    • C. Statement I is correct, II is incorrect
    • D. Statement I is incorrect, II is correct
  5. Identify the CORRECT pairing of Plant Growth Regulator and its precursor:
    • A. Auxin — Tryptophan; Ethylene — Methionine
    • B. Gibberellin — Tryptophan; Auxin — Acetyl-CoA
    • C. Cytokinin — Methionine; ABA — Tryptophan
    • D. ABA — Tryptophan; Ethylene — Violaxanthin
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Frequently Asked Questions

How many questions are there in Plant Growth and Development MCQ?

This page has 50 questions in Test - 2 out of 100 total questions on Plant Growth and Development.

Are answers and explanations provided for Plant Growth and Development MCQs?

Yes. After you select an option, the correct answer is shown along with an explanation and the percentage of users who chose each option.

How can I practice Plant Growth and Development MCQs online?

Click the Start button on this page, answer the questions one by one, and review your score. You can resume anytime and track progress from your dashboard.