76951. RNA that is complementary to a segment of another RNA molecule to which it will bind is known as
76952. Which is not an essential part of a two-component phosphorelay system?
76953. The DNA that actually codes for a protein's primary structure in eukaryotes is
76954. Stem and loop structures are
76955. In DNA sequencing, the primer
76956. The chromosome of almost all bacteria is in the shape of
76957. In which of the following uracil is present?
76958. To which of the following adenine always binds?
76959. Guanine always binds to
76960. Which type of loss is not common to transformer and rotating machines?
76961. The difference between the synchronous speed and the actual speed of an induction motor is known as
76962. Three resistances of 30,15,5 ohms are connected in parallel,their combined resistance will be
76963. Which of the following acts as a depolarizer in a dry cell?
76964. Efficiency of a power transformer is of the order of
76965. Which of the following is not a disinfectant containing a heavy metal?
76966. Which is the most important surface active disinfectants?
76967. Which disinfectant would be most effective against Staphylococcus found in a blood spill?
76968. Which of the following substances can sterilize?
76969. Milk is pasteurized in batch method by keeping it at
76970. Preservation of foods by using salts and sugars works by
76971. Which of the following items could be sterilized by dry heat sterilization?
76972. Which of the following does not kill endospores?
76973. Which disinfectant was the most effective against Salmonella"?
76974. If a canning procedure is not properly followed, which type of microbe is most likely to grow in the canned food?
76975. Bactericidal concentration of phenol is
76976. Which of the following is most effective for sterilizing mattresses and plastic petri plates?
76977. Which of the following skin disinfectant(s) is/are most frequently used?
76978. All of the following are sporicidal except
76979. Which of the following describes the effect of ionizing radiation on microbes?
76980. The process of making an object free from living organisms including bacterial and fungal spores and viruses is known as
76981. Media containing spores and thermolabile constituents are sterilized by
76982. A(n)____is used to prevent infection by killing or inhibiting pathogen growth on animal tissues.
76983. One drawback to the use of ultraviolet light as a sterilizing agent is its
76984. Ethylene oxide is used to destroy or kill which of the following microbes?
76985. Which of the following was the first widely used antiseptic and disinfectant?
76986. If a 1:600 dilution of a test compound kills a standard population of Staphylococcus aureus in 10 minutes but not 5 minutes while a 1:60 dilution of phenol kills the population in the same time, what is the phenol coefficient of the test compound?
76987. Microbes can be removed from a liquid solution by the process of
76988. Which of the following is bactericidal?
76989. Which of the following process can be efficiently carried out by incineration?
76990. The organisms retained in the fluids filtered by Seitz filter is
76991. Which of the following material is sterilized by heating at 160°C in a hot air oven for one hour?
76992. For sterilization of which material gamma rays can be used?
76993. Which of the following is sterilized with the help of glutaraldehyde?
76994. The time in minutes at a specific temperature needed to kill a population of cells is the
76995. Which of the following is a limitation of the autoclave?
76996. Which of the following has most heat resistant spores?
76997. The lowest temperature that kills all microorganisms in a liquid suspension in 10 minutes is known as the
76998. Which of the following tests is designed to simulate the natural conditions under which the disinfectants are used in hospitals?
76999. Steam exposure of a material at 100°C for 20 minutes for three consecutive days is known as
77000. Which of the following material is sterilized by use of red heat?