Lesson 4.3.3.2
4.3.3.2 Plant defence responses Quiz: AQA Biology, Unit 3
20 questions
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Lesson 4.3.3.2, Plant defence responses: 20 multiple choice questions for the AQA GCSE Biology (8461), Unit 3: Infection and response, written with Revision Ninja.
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The 20 questions
-
Which structural feature provides a physical barrier against plant pathogens?
- Cellulose cell wall
- Cytoplasm layer
- Vacuole membrane
- Chloroplast membrane
-
What is the tough waxy layer on leaves called in the specification?
- Cortex
- Xylem
- Epidermis
- Cuticle
-
What layers of dead cells around stems fall off as a defence?
- Pith
- Phloem
- Bark
- Cambium
-
What type of chemical do some plants produce to kill invading bacteria?
- Antiviral hormones
- Antibacterial chemicals
- Pheromone sprays
- Antifungal enzymes
-
Which chemical defence deters herbivores?
- Cellulose
- Sugars
- Poisons
- Starch
-
Which mechanical adaptation deters herbivores from eating a plant?
- Antibacterial chemicals
- Thorns and hairs
- Waxy cuticles
- Cellulose walls
-
How do leaves of some plants mechanically defend themselves when touched?
- Releasing toxins
- Changing colour
- Falling off stems
- Drooping and curling
-
What mechanical adaptation involves a plant copying another object to trick animals?
- Thorns
- Antibacterial chemicals
- Mimicry
- Drooping leaves
-
Which category of defence includes cellulose cell walls?
- Hormonal defence
- Physical defence
- Mechanical adaptation
- Chemical defence
-
How many categories of plant defence does the specification list?
- Three
- Four
- Five
- Two
-
What physical defence layer on plant leaves resists invasion by pathogens?
- Dead bark layer
- Stomatal guard cell
- Tough waxy cuticle
- Cellulose cell wall
-
Which layer of dead cells around stems falls off to remove pathogens?
- Bark layer
- Phloem tube
- Xylem vessel
- Root cap
-
A tree produces an antibacterial chemical after infection. Which category is this?
- Physical defence
- Hormonal coordination
- Mechanical adaptation
- Chemical defence
-
A plant droops its leaves when touched by an insect. Which defence type is this?
- Hormonal coordination
- Physical defence
- Mechanical adaptation
- Chemical defence
-
Why do some plants produce bitter poisons in their leaves?
- Resist pathogens
- Deter herbivores
- Prevent water loss
- Attract insects
-
Which category of plant adaptation includes thorns and drooping leaves?
- Physical response
- Mechanical adaptation
- Pathogenic defence
- Chemical defence
-
What type of defence response are cellulose cell walls and waxy cuticles?
- Immune response
- Chemical defence
- Physical defence
- Mechanical adaptation
-
Which category of plant defence includes antibacterial chemicals and poisons?
- Mechanical adaptation
- Physical defence
- Chemical defence
- Structural barrier
-
Which of these is a chemical defence response in plants?
- Antibacterial chemicals
- Leaf thorns
- Dead cell bark
- Tough waxy cuticle
-
Which adaptation is classed as a mechanical defence in plants?
- Antibacterial chemicals
- Cellulose cell walls
- Waxy cuticle
- Plant mimicry
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