Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET2019BotanyPlant - Growth and DevelopmentActual

Assertion : In vernalisation, flowering is induced by low temperature. Reason : ABA is growth inhibiting hormone.

Options

  1. AIf both assertion and reason are true and reason is the correct explanation of assertion.
  2. BIf both assertion and reason are true but reason is not the correct explanation of assertion.
  3. CIf assertion is true but reason is false.
  4. DIf both assertion and reason are false.

Correct answer

B. If both assertion and reason are true but reason is not the correct explanation of assertion.

Step-by-step solution

No Solution Available

Practice Plant - Growth and Development on Quantrex Academy →

More from Plant - Growth and Development

Heterophyllous development in response to environment is an example of which of the following phenomena ? 2026Length of the stem at time 0 is 20 cm. The arithmetic growth rate is 30 cm per day. What is the length of the stem at the end of the 7^ th day ? 2026Which of the following plant growth regulators promotes internode elongation prior to flowering in cabbage ? 2026Which one of the following is not a characteristic of plant cells in the phase of elongation ? 2026Match List I with List II : List I (Growth Regulator) List II (Function/Effect) A. 2,4 -D I. Brewing industry B. GA ₃ II. Stimulation of stomatal closure C. Kinetin III. Herbicide 2026Which of the following plant growth regulators is used as herbicide ? 2026Which one of the following phytohormones promotes nutrient mobilization which helps in the delay of leaf senescence in plants? 2025Read the following statements on plant growth and development. (A) Parthenocarpy can be induced by auxins. (B) Plant growth regulators can be involved in promotion as well as inhib 2025 Full Plant - Growth and Development list All NEET PYQs