1) Bacteria reproduce by a) Binary Fission b) Budding c) Conjugation 2) Helminths are a) Single-celled organisms b) Parasitic worms c) Fungal Spores 3) E.coli multiples every 15 minutes under the correct conditions a) True b) False 4) What is the protein coat of a virus called a) Capsule b) Capsid c) Nucleocapsid 5) Identify the bacteria shape in the picture a) Cocci b) Bacilli c) Spiral 6) Eukaryotic organisms contain a true nucleus a) True b) False 7) What colour do gram -tive bacteria stan? a) Purple/Blue b) Green/Yellow c) Pink/Red 8) Which of the following is the correct pH level for bacteria to reproduce? a) 5-5.4 b) 6-6.4 c) 7-7.4 9) Define binary fission a) One cell becomes two, new organisms are genetically identical b) An asexual reproduction, can replicate itself c) The transfer of genetic material between cells by direct cell-to-cell contact 10) Which group of protozoa does Toxoplasmosis belong to? a) Flagellates b) Ciliates c) Sporozoans 11) Intestinal parasites in dogs & cats are which pathogenic organism? a) Bacteria b) Protozoa c) Prion 12) Fungi have a ridged cell wall composed primarily of a) Chitin & Glucans b) Lipid & Protein c) Peptidoglycan 13) Which of the following defines a endospore? a) Accumulate in bodily secretions b) Have a basic mouth, GI tract & anus c) A tough & non-reproductive structure 14) A network of hyphae is called a a) Envelope b) Mycelium c) Periplasmic space 15) Define Lysis a) Death of the host cell b) Cell not usually killed in the replication process c) Seen commonly in enveloped viruses 16) What is the incubation period of a prion? a) 2 days - 2 months b) 2 months - 20 months c) 2 months - 20 years 17) Prions cause infection within the a) Respiratory system b) Central nervous system c) Neuromuscular system 18) Prion infections are always fatal a) True b) False 19) Which of the following is true about enveloped viruses? a) Readily destroyed by disinfectants b) Contain enzymes that can inhibit some antiB's, leading to antiB resistance c) Range in size from microscopic to macroscopic 20) Which form of protozoa are highly resistant to environmental stress? a) Trophozoite b) Oocyst

Pathogens

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