19 Questions
Why do roots usually grow underground?
To move toward the source of water
Which of the following is a role of plant hormones?
Regulating photosynthesis
What is the main function of florigen in plants?
Promoting flowering
What is the function of dormin (abcisin II) in plants?
Promoting the dormancy of buds
What does thiamin (vitamin B1) do for plant roots?
Is required for normal root growth
What is the role of traumatic acid in plants?
Stimulates cell division
What is the main difficulty associated with plant photoperiodism?
Sensitivity to day and night conditions
'Like animals, plants produce which organic substances?'
'Chemical messengers'
'What do plant hormones play an important role in?'
'Plant defense against microorganisms'
Why do roots grow underground?
To move toward the source of water
What is the main role of plant hormones in plants?
Regulate plant defense
Which hormone is needed for flowering to occur in plants?
Florigen
What is the function of traumatic acid in plants?
Facilitate cell division and wound healing
What is the difficulty associated with plant photoperiodism?
Sensitivity to day and night cycles
Which hormone promotes dormancy of buds and abscission of leaves?
Dormin (abcisin II)
Which organic substances do plants produce?
Vitamins and hormones
What is the role of thiamin (vitamin B1) in plant growth?
Supporting normal flowering
What do plant hormones regulate in plants?
Cell division and wound healing
What is the purpose of florigen in plants?
Inducing flowering
Test your knowledge on the function and regulation of parathormone, a hormone that helps regulate calcium and phosphorus metabolism in the body. Learn about its role in calcium balance, bone health, and kidney function.
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