HORTICULTURE SCIENCE
PLANT BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Plants have hormones just like humans do. Plant hormones are created in the plant’s stem, buds, and root tips. These hormones are carried and distributed throughout the plant by the plant’s ____ system. Which of the following correctly completes the sentence?
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vascular
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reproductive
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dermal
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root
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Explanation:
Detailed explanation-1: -Plant hormones (or phytohormones) 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.
Detailed explanation-2: -Plant hormones are chemicals in plants that regulate almost all aspects of plant growth and development. Hormones play a critical role in how plants respond to biotic and abiotic factors, including sunlight, soil conditions, soil water and nutrients.
Detailed explanation-3: -(ii) Plant hormone gibberellins help in growth of a stem.
There is 1 question to complete.