Bacteria and Bacteria Disease quiz:
Question: A substance that causes the disintegration of bacteria is
(a) Bacteriocin
(b) Bacterin
(c) Barophile
(d) Bacteriolysin
Question: Which of the following is a way in which bacteria can develop resistance to antibiotics?
(a) Mutation
(b) Conjugation
(c) Both A and B
(d) Neither A nor B
Question: What is the name of the process by which bacteria exchange genetic material?
(a) Conjugation
(b) Meiosis
(c) Mitosis
(d) Replication
Question: How many bacteria are produced in four hours if a bacterium divides once in half an hour?
(a) 8
(b) 64
(c) 16
(d) 256
Question: Cyanobacteria are
(a) Mosses which attack bacteria
(b) Bacteria which attack cyanophyceae
(c) Autotrophic organism with phycocyanin
(d) None of these
Question: Which of the following is not a chemosynthetic bacteria?
(a) Nitrobacter
(b) Beggiatoa
(c) Azotobacter
(d) Nitrosomonas
Question: What is the shape of a bacillus bacteria?
(a) Round
(b) Spiral
(c) Rod-shaped
(d) Irregular
Question: In bacteria, sex is determined by
(a) Presence of episomes
(b) Presence of flagella
(c) Presence of pili
(d) Presence of mesosomes
Question: Which of the following is an example of a disease caused by bacteria?
(a) AIDS
(b) Hepatitis B
(c) Malaria
(d) Tuberculosis
Question: Bacteria living in human large intestine that feed on undigested food without harming the host is termed as
(a) Predators
(b) Commensals
(c) Symbionts
(d) Parasites
Question: Genes which confer antibiotic resistance on bacteria are located on
(a) Polysome
(b) Circular DNA molecule
(c) Plasmid
(d) RNA
Question: Which of the following is a beneficial function of bacteria in the human body?
(a) Digestion
(b) Respiration
(c) Sensation
(d) Reproduction
Question: Harmful poisonous substances secreted by Streptomyces and other soil saprophytic bacteria are
(a) Txoins
(b) Aflatoxin
(c) Antibiotics
(d) Antiseptics
Question: Which of the following is a type of bacteria?
(a) Fungi
(b) Virus
(c) Algae
(d) E. coli
Question: Bacteria are included in which of the following kingdoms
(a) Protista
(b) Plantae
(c) Monera
(d) Animalia
Question: One of the useful activities of several bacteria is
(a) Nitrogen fixation
(b) Nitrification
(c) Operation of biogeochemical cycles
(d) All of the above
Question: Gram negative bacteria differ from gram positive bacteria in that their cell wall is
(a) Thicker
(b) Without lipid
(c) Complex
(d) Simple
Question: Which of the following is a method of controlling bacterial growth?
(a) Antibiotics
(b) Vaccines
(c) Antifungal drugs
(d) All of the above
Question: Bacteria were for the first time observed by
(a) W.H. Stanley
(b) Louis Pasteur
(c) Anton Von Leeuwenhoek
(d) Robert Koch
Question: Which of the following is a method of bacterial reproduction?
(a) Budding
(b) Binary fission
(c) Meiosis
(d) Mitosis
Question: Which of the following is a type of bacteria that can cause food poisoning?
(a) Streptococcus
(b) Salmonella
(c) Staphylococcus
(d) E. coli
Question: What is the name of the protein structures on the surface of some bacteria that help them adhere to surfaces?
(a) Capsules
(b) Cilia
(c) Pili
(d) Flagella
