Phytohormones, photoperiodism, vernalisation.
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Q1 · Plant Growth and Development · EASY
Which phytohormone is primarily responsible for promoting cell elongation in stems and is involved in apical dominance?
Q2 · Plant Growth and Development · EASY
A plant requires exposure to low temperatures for a certain period to induce flowering. This phenomenon is known as:
Q3 · Plant Growth and Development · MEDIUM
A farmer wants to prevent the sprouting of potato tubers during storage. Which plant growth regulator should be applied?
Q4 · Plant Growth and Development · MEDIUM
Short-day plants (SDPs) flower when the night length exceeds a critical duration. Which of the following statements about photoperiodism in SDPs is correct?
Q5 · Plant Growth and Development · HARD
In an experiment, gibberellic acid was applied to a rosette plant (a plant with very short internodes). Subsequently, the stem elongated rapidly. This effect is called bolting. The primary mechanism by which gibberellin causes stem elongation involves: