Question 3 :
The bread mold Rhizopus stolonifer belongs to which of the following fungal divisions?
Question 4 :
If a canning procedure is not properly followed, which type of microbe is most likely to grow in the canned food?
Question 5 :
Which of these mechanisms for thymine dimers repair lead to mutations?
Question 7 :
The chromosome of almost all bacteria is in the shape of
Question 8 :
The test (s) based on the principle of toxin neutralization is/are
Question 11 :
To a living organism, which of the following has the greatest amount of available energy per molecule?
Question 12 :
In order to get inorganic phosphorous into organic compounds, the phosphate ion is incorporated via
Question 15 :
A(n)____is used to prevent infection by killing or inhibiting pathogen growth on animal tissues.
Question 16 :
In Yersinia pestis, capsule is best demonstrated in cultures grown at
Question 18 :
Type III secretion systems are used to inject "effector" proteins directly into a host cell. Salmonella uses a type III secretion system to help the pathogen to
Question 20 :
Which of the following is best used for long term storage of microbial samples when carried out properly?
Question 21 :
At higher temperatures, the souring of Oysters may be the result of the fermentation of sugars by
Question 22 :
Oxidation ponds are shallow ponds, generally designed at the depth of
Question 27 :
Hydrogen and oxygen release enormous amounts of energy when they react. Yet, hydrogen and oxygen can be mixed together in a balloon and nothing will happen. Why?
Question 28 :
Many enzymes consists of a protein combined with low molecular weight organic molecule called as
Question 31 :
Which of the following plamids do not possess information for self transfer to another cell?
Question 34 :
A culture broth tube was very turbid at the surface but clear throughout the rest of the tube indicating that the
Question 35 :
Which of the following is not a member of the division Ascomycota?
Question 36 :
Genetic and biochemical similarities between contemporary cyanobacteria and eukaryotic chloroplasts are accepted to mean that
Question 37 :
The fungus responsible for ergotism belongs to which of the following fungal divisions?
Question 39 :
Most soil protozoa are flagellates or amoebas, having their dominant mode of nitrogen as
Question 43 :
The efficiency of amplification in PCR in later cycles is reduced due to
Question 44 :
Which of the following is not a function of cysts for Protozoa?
Question 45 :
Which of the following is an example of rod-shaped viruses having their capsomeres arranged helically and not in the stacked ring?
Question 46 :
Which of the following species of Mycobacterium is positive for nitrate reduction test?
Question 48 :
The organism which utilizes the pentose of sulphite waste liquor for lactic acid production is