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Which of the following inhibits the growth of lateral auxillary buds?
Options
(a) auxin
(b) ethylene
(c) cytokinin
(d) gibberellin
Correct Answer:
auxin
Explanation:
Apical dominance is the phenomenon of suppression of growth in nearby lateral buds by the presence of apical bud. Removal of apical bud causes sprouting of lateral buds. However, if a paste of auxin is painted on the cut end of the decapitated shoot, the lateral bud remain inhibited, as if the apical bud is present. It clearly indicates that it is the auxin which is responsible for apical dominance.
Related Questions: - Which one of the following is an example of carrying out biological control of
- In vitro clonal propagation in plants is characterized by:
- Which of the following pairs of animals has non glandular skin
- Bowmans capsule and glomerulus together constitute
- Which among the following is the principal cation in the human blood?
Topics: Plant Growth and Development
(126)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one of the following is an example of carrying out biological control of
- In vitro clonal propagation in plants is characterized by:
- Which of the following pairs of animals has non glandular skin
- Bowmans capsule and glomerulus together constitute
- Which among the following is the principal cation in the human blood?
Topics: Plant Growth and Development (126)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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