Plant Responses to the Environment (Grade 12 NSC Matric Life Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is phototropism?
What is phototropism?
Growth response to light direction
What are auxins?
What are auxins?
Plant hormones controlling phototropism
What happens when light shines directly from above on a plant stem?
What happens when light shines directly from above on a plant stem?
Auxins distribute evenly, stem grows up
Where do auxins accumulate when light comes from one side?
Where do auxins accumulate when light comes from one side?
On the shaded side
Why does a stem bend towards light?
Why does a stem bend towards light?
Shaded side grows faster due to auxins
How do stems and roots respond differently to light?
How do stems and roots respond differently to light?
Stems grow towards, roots grow away
How does phototropism improve photosynthesis?
How does phototropism improve photosynthesis?
Leaves positioned for maximum sunlight
In the foil cap experiment, what happened to the covered shoot?
In the foil cap experiment, what happened to the covered shoot?
Grew straight up with no bending
Where are auxins produced in plants?
Where are auxins produced in plants?
At growing tips of stems and shoots
Which side of a stem grows more when light comes from one side?
Which side of a stem grows more when light comes from one side?
The shaded side