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Plant Diseases Flashcards | StudBud
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Plant Diseases
Plant Diseases
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#Plant Disease #OCR #A-level Biology
Flashcards
8 cards
F
Practice quiz
P
Host live
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Questions
8
Answers
1
Which of these is formed of triglycerides
Phenol
Defensins
Tarpenoids
Alkaloids
2
Which of these are passive defences?
Waxy Cuticle
Production of Alkaloids
Necrosis
Production of Terpenoids
3
Which of the following is a disease caused by protocists
Blight
TMV
Black Sigatoka
Ring Rot
4
Which of these is NOT a key benefit from the process of necrosis?
Denies pathogen glucose
Denies pathogen water
Denies pathogen other cells to infect
Denies pathogen amino acids
5
Which of these is a necrotic (causes cell death) defence?
Phenol
Callose
Cellulose
Canker
6
Which of these does not affect fungal infections directly?
Bark
Trepenoids
Defensins
Alkaloids
7
Which of these block Plasmodesmata?
Tylose
Lignin
Cellulose
Callose
8
What type of disease is ring rot?
viral
bacterial
fungal
protocist
