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Parathormone Function and Regulation Quiz

19 Questions

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Parathormone Function and Regulation Quiz

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Questions and Answers

Why do roots usually grow underground?

To absorb sunlight

To regulate seed germination

To move toward the source of water (correct)

To produce hormones

Which of the following is a role of plant hormones?

Promoting abscission

Stimulating cell division

Initiating fruit ripening

Regulating photosynthesis (correct)

What is the main function of florigen in plants?

Initiating seed germination

Promoting flowering (correct)

Causing abscission of leaves

Regulating root development

What is the function of dormin (abcisin II) in plants?

Promoting the dormancy of buds Signup and view all the answers

What does thiamin (vitamin B1) do for plant roots?

Is required for normal root growth Signup and view all the answers

What is the role of traumatic acid in plants?

Stimulates cell division Signup and view all the answers

What is the main difficulty associated with plant photoperiodism?

Sensitivity to day and night conditions Signup and view all the answers

'Like animals, plants produce which organic substances?'

'Chemical messengers' Signup and view all the answers

'What do plant hormones play an important role in?'

'Plant defense against microorganisms' Signup and view all the answers

Why do roots grow underground?

To move toward the source of water Signup and view all the answers

What is the main role of plant hormones in plants?

Regulate plant defense Signup and view all the answers

Which hormone is needed for flowering to occur in plants?

Florigen Signup and view all the answers

What is the function of traumatic acid in plants?

Facilitate cell division and wound healing Signup and view all the answers

What is the difficulty associated with plant photoperiodism?

Sensitivity to day and night cycles Signup and view all the answers

Which hormone promotes dormancy of buds and abscission of leaves?

Dormin (abcisin II) Signup and view all the answers

Which organic substances do plants produce?

Vitamins and hormones Signup and view all the answers

What is the role of thiamin (vitamin B1) in plant growth?

Supporting normal flowering Signup and view all the answers

What do plant hormones regulate in plants?

Cell division and wound healing Signup and view all the answers

What is the purpose of florigen in plants?

Inducing flowering Signup and view all the answers