Plant Disease (AQA GCSE Biology): Flashcards
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15 cards from this deck
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Practise the cards
15 cards from this deck
Pathogens
Pathogens
Disease-causing microorganisms
Causative agent of TMV
Causative agent of TMV
Virus
Causative agent of rose black spot
Causative agent of rose black spot
Fungus
Causative agent of bacterial wilt
Causative agent of bacterial wilt
Bacteria
How aphids damage plants directly
How aphids damage plants directly
Pierce plant stems to feed on sugary sap
Second way aphids harm plants
Second way aphids harm plants
Carry pathogens between plants
Why plants need nitrate ions
Why plants need nitrate ions
To make proteins for growth
Why plants need magnesium ions
Why plants need magnesium ions
To make chlorophyll for photosynthesis
Function of cellulose cell walls
Function of cellulose cell walls
Tough barriers against microorganisms
Function of waxy leaf cuticle
Function of waxy leaf cuticle
Stops water loss & prevents microorganism entry
How tree bark protects plants
How tree bark protects plants
Layers of dead cells form protective barrier
Antibacterial substances in plants
Antibacterial substances in plants
Chemicals that kill harmful bacteria
Why plants produce toxins
Why plants produce toxins
To stop animals eating them
Function of thorns and sharp hairs
Function of thorns and sharp hairs
Hurt animals that try to eat the plant
Passion flower mimicry strategy
Passion flower mimicry strategy
Spots look like butterfly eggs to deter egg-laying