12.1 animal and plant pathogens

What is the name for infective organisms causing disease?
Pathogen
Bacteria
Vector
Virus
A vector is always living
True
False
Match the statements about pathogens
Bacteria
Non living agent
Fungus
Malaria
Protoctista
Eukaryote
Virus
Procaryote
What is the name of a virus that infects a bacterium
Bacteriovirus
Rna virus
Bacteriophage
Virophage
All viruses are pathogenic
True
False
Some protoctista invade a cell and take over the genetic material
True
False
Gram positive bacteria appear what colour after gram staining
Pink
Purple
Blue
Brick red
How do fungi feed
Engulf and internally digest
Photoautotrophically
Externally digest and absorb
Chemoautotrophically
Viruses cause disease symptoms by producing toxin
True
False
How do fungi cause disease in an organism?
Take over living cells and break them open
Take over cell metabolism genetically
Digest living cells and destroy them
Produce toxins and damage host cells
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