Plant Hormones (AQA GCSE Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What is the main function of hormones in plants?
What is the main function of hormones in plants?
To coordinate and control growth
What is phototropism?
What is phototropism?
The response to light
What is gravitropism also known as?
What is gravitropism also known as?
Geotropism
Which hormone is involved in phototropism and gravitropism?
Which hormone is involved in phototropism and gravitropism?
Auxin
Where does auxin move to in a shoot exposed to light from one side?
Where does auxin move to in a shoot exposed to light from one side?
To the shaded side
What does auxin do to cells on the shaded side of a shoot?
What does auxin do to cells on the shaded side of a shoot?
Stimulates them to grow more
What type of gravitropism do most shoots show?
What type of gravitropism do most shoots show?
Negative gravitropism
What type of gravitropism do most roots show?
What type of gravitropism do most roots show?
Positive gravitropism
In roots, which side grows more when auxin moves to the lower side?
In roots, which side grows more when auxin moves to the lower side?
The upper side with less auxin
Why is it beneficial for roots to grow downwards?
Why is it beneficial for roots to grow downwards?
For more water, nutrients and stability
What is the role of gibberellins in plants?
What is the role of gibberellins in plants?
Stimulating seed germination
What is ethene involved in?
What is ethene involved in?
Cell division and fruit ripening