Plant Growth and Development questions
465 published questions with worked solutions.
- Match the following. Column I | Column II A. IAA | i) Herring sperm DNA B. ABA | ii) Bolting C. Ethylene | iii) Stomatal closure...
- Growth can be measured in various ways. Which of these can be used as parameters to measure growth?
- Plasticity in plant growth means that
- To increase sugar production in sugarcanes, they are sprayed with
- ABA acts antagonistic to
- A young dicot seedling (e.g. soybean) is laid horizontally on a surface and is subjected to the gravity stimulus. The shoot bends...
- A farmer, while growing grape plants in his garden, observes the following: (i) Fruit size normally remains small (ii) Natural...
- Consider the following statements and select the correct option stating which one is true (T) and which one is false (F). (i)...
- X and Y are antagonistic plant growth regulators. X is a growth inhibitor whereas Y is a growth promoter. X helps the plant to...
- Which among the following sets consists exclusively of auxins?
- Assertion: Plant growth regulators (PGRs) are very important for plant growth and development. Reason: Auxins do not induce...
- The study of phototropic response led to the discovery of
- Which one of the following plant functions is not controlled by auxins?
- Gibberellins can promote seed germination because of their influence on
- Which of the following phytohormones promotes male flowering and parthenocarpy?
- Which of the following is not a bioassay for cytokinins?
- The plant growth regulator kinetin is a/an
- Match the phytohormones given in column I with their functions given in column II. Choose the answer with the correct combination...
- Which hormone inhibits morphogenesis?
- Identify the incorrect statement about the ABA growth regulator.
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