VI. Answer the following questions. 38. (a) What are plant hormones ? Give 1. promotes growth 2. inhibits growth. 3. promotes cell division (b) Name the parts labelled A, B and C in part
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1Plant hormones are signal molecules, produced within plants, that occur in extremely low concentrations. Plant hormones control all aspects of plant growth and development, from embryogenesis, the regulation of organ size, pathogen defense, stress tolerance and through to reproductive development.
2-gibberellins
3Abscisic acid (ABA)
4-Cytokinins or CKs
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