Bacteria and Bacteria Disease quiz:
Question: A substance that causes the disintegration of bacteria is
Question: Which of the following is a way in which bacteria can develop resistance to antibiotics?
(c) Both A and B
(d) Neither A nor B
Question: How many bacteria are produced in four hours if a bacterium divides once in half an hour?
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?
Question: What is the shape of a bacillus bacteria?
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?
(b) Hepatitis B
Question: Bacteria living in human large intestine that feed on undigested food without harming the host is termed as
Question: Genes which confer antibiotic resistance on bacteria are located on
(b) Circular DNA molecule
Question: Which of the following is a beneficial function of bacteria in the human body?
Question: Harmful poisonous substances secreted by Streptomyces and other soil saprophytic bacteria are
Question: One of the useful activities of several bacteria is
(a) Nitrogen fixation
(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
(b) Without lipid
Question: Which of the following is a method of controlling bacterial growth?
(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?
(b) Binary fission
Question: Which of the following is a type of bacteria that can cause food poisoning?
(d) E. coli
Question: What is the name of the protein structures on the surface of some bacteria that help them adhere to surfaces?