Q. Which of the following is not a chemical agent for microbial control?

View solution

Q. Escherichia coli is much more resistant to cationic disinfectants than Staphylococcus aureus.

View solution

Q. The process of killing all microorganisms along with their spores is ____________________

View solution

Q. Which of the following are generally applied on living animal tissues?

View solution

Q. How much percentage of aqueous solution of phenol rapidly kills the vegetative cells of microorganisms?

View solution

Q. The antimicrobial activity of phenolics is not reduced at which of the following conditions?

View solution

Q. Alcohol concentrations above 60% are effective against _________________

View solution

Q. Polyvinylpyrrolidone (PVP) is a complex belonging to which group?

View solution

Q. Which of the following agents irreversibly oxidize and inactivate proteins with sulphydral groups?

View solution

Q. Chlorinated lime is the alternative name for __________________

View solution

Q. Chloramines are more stable than than hypochlorites.

View solution

Q. Solutions of sodium hypochlorite of a 1% concentration are used for ________

View solution

Q. Which among the following is an example of organic compound of mercury?

View solution

Q. Which of the following methods is used for determining the decrease in the amount of growth?

View solution

Q. Liquid water-soluble substances appropriately diluted are dispensed into sterile test tubes, to which are added a measured amount of the test organism and then this is transferred into tubes of sterile media.This method helps in determining _____________________

View solution

Q. We observe increased growth in nutrient agar plates as concentration of chemical agent is decreased.

View solution

Q. Which of the following acts as a test organism in the procedure of phenol-coefficient method?

View solution

Q. Which of the following chemical agents lack penetrating power?

View solution

Q. Which of the following agent is used to disinfect skin?

View solution

Q. Iodine kills the microorganisms by causing denaturation of proteins.

View solution