3
QuizMultiple Select

Plant Responses

Question 3 • AISD-Biology B CR (25-26)

Which statements describe hormones in plants? Select three options.Cutting stems can stimulate hormones to start lateral leaf growth. Some tropisms are controlled by hormones. Cells grow faster in areas where auxin is concentrated.Hormones help buds form and grow in the winter. Auxin is the only hormone involved in plant development.

Answer
A
Cutting stems can stimulate hormones to start lateral leaf growth.
B
Some tropisms are controlled by hormones.
C
Cells grow faster in areas where auxin is concentrated.
D
Hormones help buds form and grow in the winter.
E
Auxin is the only hormone involved in plant development.

Explanation

Cutting a stem can reduce apical dominance, allowing hormones to stimulate lateral buds and leaf growth. Plant hormones also control some tropisms, such as auxin’s role in bending toward light or responding to gravity. Auxin promotes cell elongation where it accumulates, while buds generally remain dormant in winter, and auxin is not the only hormone involved in plant development.

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