Methods in Microbiology (GATE)
Description: proteins | |
Number of Questions: 15 | |
Created by: Ankita Patil | |
Tags: proteins Principles of Microbial Nutrition Light- Phase Contrast- and Electron-Microscopy Enrichment Culture Techniques for Isolation of Microorganisms |
Which of the following organisms use organic compounds as a source for carbon, electrons and energy?
Rhodobacter belongs to which of the following nutritional groups?
Which of the following minerals provides heat resistance to bacterial endospores?
Which of the following functions of bacteria may suffer due to a deficiency of potassium?
What is the minimum requirement of classifying a source as an organic nutrient provider?
Which of the following staining techniques is used to stain the volutin or metachromatic granules of C. diphtheria, so that the granules are clearly visible in light microscope?
Which of the following nutritional modes is followed by Oceanithermus profundus?
Which of the following vitamins is essential for bio-synthetic reactions that require CO2 fixation?
During which of the following steps of sample processing in electron microscopy are the samples treated with propylene oxide?
Which of the following sentences is correct about differential interference contrast microscopy (DIC)?
Mixotrophs are unicellular organisms which can switch between different metabolic modes. Which of the following organisms exhibit(s) mixotrophy?
Which of the following organisms get their carbon for biosynthesis from carbon dioxide?
Oxygen radicals produced by microorganisms in the process of photosynthesis are finally converted to water by the action of superoxide dismutase, catalase or peroxidase. Which of the following organisms possesses peroxidase but lacks catalase?
Which of the following is/are photoheterotroph(s)?
In the given paragraph, composition of a bacteriological medium is given. Which type of culture medium is it for the growth of Thiobacillus thiooxidans?
Component Amount Function
NH4Cl 0.52 g N source
KH2PO4 0.28 g P and K source
MgSO4 7H2O 0.25 g S and Mg2+ source
CaCl2 2H2O 0.07 g Ca++ source
Elemental Sulphur 1.56 g Energy source
CO2 5% C source
Water 1000 ml
pH 3.0