77001. Which of the following methods will not sterilize?
77002. Which of the following is/are vapour-phase disinfectant/s?
77003. Sweet and salty foods frequently don't require refrigeration to prevent spoilage because they have
77004. Iodophores are mixture of
77005. Which of the following compounds are commonly used as general antiseptics to treat cuts and scratches?
77006. Complete destruction of the microorganisms is commonly known as
77007. Which of the following articles can be sterilized in an autoclave?
77008. Which of the following disinfectants act by disrupting microbial membranes?
77009. Which of the following is best to sterilize heat labile solutions?
77010. The time required to kill 90% of the microorganisms in a sample at a specific temperature is the
77011. Which of the following is best used for long term storage of microbial samples when carried out properly?
77012. The strongest dia-magnetic material
77013. The magnitude of torque developed by a three phase induction motor depends upon
77014. Rheostat method of speed control of induction motor is used in
77015. In a three phase IM the number of poles in the rotor winding are
77016. If the air gap of induction motor is increased
77017. RNA populations can also be used as PCR templates after reverse transcription into
77018. The cloning step in PCR/sequencing analysis of microbial communities is necessary for
77019. The template for PCR is
77020. Which of the following infection(s) can be diagnosed by the use of polymerase chain reaction?
77021. Polymerase chain reaction basically consists of
77022. The PCR/sequencing approach to rRNA is most likely to give information about
77023. The efficiency of amplification in PCR in later cycles is reduced due to
77024. The original enzyme(s) used in PCR reaction is/are known as
77025. Isolate fire from the supply of oxygen by blanketing it with foam,sand etc
77026. What is the condition of ohm’s law?
77027. Power p=
77028. Moving cell instruments are use
77029. Low resistance means
77030. The growth of Streptomyces on straw or elsewhere near the egg may produce
77031. Unopened, sliced bacon, packaged in material somewhat highly resistant to oxygen permeability, is spoiled mostly by
77032. Pink rots in eggs is caused by the strains of
77033. Beef hams are made spongy by species of
77034. The red color of meat, called its bloom, may be changed to shades of green, brown or grey as a result of production of oxidizing compounds by bacteria. Which of the following species are reported to cause the greening of sausage?
77035. Yellow discolorations in meat are caused by bacteria with yellow pigments, usually species of
77036. Which of the following (s) is/are responsible for the green patches on the surface of meats under aerobic conditions?
77037. Which of the following microorganisms grow in beef at a temperature of 15°C and above?
77038. Green rots in eggs is chiefly caused by
77039. Black rots in eggs is most commonly caused by
77040. In storage atmospheres of high humidity variety of molds may cause
77041. Which of the following microorganism spoil poultry in polyethylene bags?
77042. Black spot in meat are produced mainly by
77043. Which of the cause(s) has/have been suggested for the chill rings in sausage?
77044. Lactic acid bacteria in meats may be responsible for
77045. Colorless rots in eggs is caused by
77046. The greening of sausage may appear as a green ring not far from the casing, a green core, or a green surface. The cause of greening is the production of hydrogen peroxide by
77047. Iced, cut up poultry often develops a slime i.e. accompanied by an odor describe as tainted, acid, sour or dishraggy. This defect is chiefly by the species of
77048. Which of the following is recommended for the improvement in flavor during ageing of beef under controlled conditions?
77049. The spoilage of eggs by fungi goes through stages of mold growth that give the defects their names. Very early mold growth is termed
77050. White spot in meat is formed due to presence of