Plant Defence Responses (OCR GCSE Biology A (Gateway Science Suite)): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What are the three types of defences plants have evolved?
What are the three types of defences plants have evolved?
Physical, chemical, mechanical
What is the function of the waxy cuticle on leaf surfaces?
What is the function of the waxy cuticle on leaf surfaces?
Acts as a barrier to prevent pathogens
How do layers of dead cells around stems protect plants?
How do layers of dead cells around stems protect plants?
Shield against pathogens and fall off
Which plants produce poisons as a chemical defence?
Which plants produce poisons as a chemical defence?
Foxgloves, tobacco, deadly nightshade
What is the purpose of poisons produced by certain plants?
What is the purpose of poisons produced by certain plants?
Deter herbivores from eating them
Which plants produce antibacterial compounds?
Which plants produce antibacterial compounds?
Mint and witch hazel
What is the function of thorns and hairs on plants?
What is the function of thorns and hairs on plants?
Make it difficult and painful to consume
Against which predators are thorns and hairs less effective?
Against which predators are thorns and hairs less effective?
Insect pests
How do drooping or curling leaves protect plants?
How do drooping or curling leaves protect plants?
Dislodge insects or move from harm
Why do some plants droop to mimic an unhealthy appearance?
Why do some plants droop to mimic an unhealthy appearance?
Discourage animals from eating them
Why do some plants have patterns resembling butterfly eggs?
Why do some plants have patterns resembling butterfly eggs?
Deter butterflies to avoid competition
Which plant family has evolved to resemble stones or pebbles?
Which plant family has evolved to resemble stones or pebbles?
Ice plant family