Investigating plant responses (AQA GCSE Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does the light intensity experiment investigate in newly germinated seedlings?
What does the light intensity experiment investigate in newly germinated seedlings?
How light intensity affects growth
What ruler divisions are needed for measuring seedling height?
What ruler divisions are needed for measuring seedling height?
1mm divisions
How many seeds should be added to each Petri dish at the start?
How many seeds should be added to each Petri dish at the start?
About 10 seeds
Which three light conditions are used in the experiment?
Which three light conditions are used in the experiment?
Bright, dark, dim
What must be kept the same for a fair test besides light intensity?
What must be kept the same for a fair test besides light intensity?
Temperature and number of seedlings
How often should seedling height be measured?
How often should seedling height be measured?
Every day for at least one week
If 5 seedlings measure 15mm, 18mm, 16mm, 17mm, 14mm, what is the mean?
If 5 seedlings measure 15mm, 18mm, 16mm, 17mm, 14mm, what is the mean?
16mm
What should be on the horizontal axis of the results graph?
What should be on the horizontal axis of the results graph?
Day
What is gravitropism?
What is gravitropism?
Plant response to gravity
In the gravity experiment, which direction does the root grow after tipping the beaker?
In the gravity experiment, which direction does the root grow after tipping the beaker?
Downwards (towards gravity)
What is phototropism?
What is phototropism?
Plants grow towards light sources
Why do plant responses to light and gravity help plants survive?
Why do plant responses to light and gravity help plants survive?
Get light for photosynthesis and anchor in soil