<<= Back Next =>>
You Are On Multi Choice Question Bank SET 1525

76251. Some organisms can use reduced inorganic compounds as electron donors and are termed as





76252. The total biomass of an organism will be determined by the nutrient present in the lowest concentration relative to the organism's requirements is a statement of


76253. The growth is normally expressed as __________ in turbidimetric measurement





76254. Which of the following organisms typically get their carbon for biosynthesis from carbon dioxide?





76255. An organism that expends energy to grow in a habitat with a low water activity in order to maintain internal solute concentrations to retain water is





76256. The straightforward method of binary fission explains how bacteria





76257. The equation used to obtain bacterial population by binary fission is





76258. Bacteria and fungi multiply best





76259. An organism has an optimal growth rate when the hydrogen ion concentration is very high. This organism is





76260. Which of the following procedures uses a photocell to measure absorbance of a culture to regulate the flow of culture media?





76261. Organisms, using organic compounds as electron donors are called





76262. The reproduction by budding occur in





76263. Starvation proteins are produced by a culture during which of the following segments of the growth curve?





76264. The cell reproduction in bacteria may occur by





76265. During exponential growth, the growth rate is





76266. A spore differs from an actively replicating bacterium in that the spore





76267. Which of the following has more tolerance for acidic pH (lower pH)?





76268. The ability of Vibrio fischeri to produce bioluminescence chemicals only when a certain population density has been reached is an example of


76269. Antimicrobial constituents for the microbial growth in foods are





76270. The average size of cells during the exponential phase of growth is





76271. A culture broth tube was very turbid at the surface but clear throughout the rest of the tube indicating that the





76272. A synergistic effect is observed when





76273. Generation time is





76274. The term facultative anaerobe refers to an organism that




76275. The microorganisms that grow best in a low-oxygen environment is called a (n)





76276. Pseudomonas pseudoflava can grow as





76277. Which of the following is the suitable temperature range for mesophiles?





76278. Exponential phase of growth curve of bacteria is of limited duration because of





76279. A culture broth tube was very turbid at the bottom of the tube but clear at the top of the tube indicating that the





76280. In the exponential phase, the cells and cell mass





76281. What is the primary source of food for marine life?





76282. Postgates assay technique is useful in determining if a cell is viable even though it is





76283. What are the extrinsic factors for the microbial growth?





76284. Quantitative measurement of bacterial growth can be carried out by measuring





76285. Organisms such as lactobacilli that have elaborate requirements for specific nutrients i.e. vitamins and other growth promoting substances, are generally called as





76286. The combination of low levels of NaCl, NaNO3 (sodium nitrate), and slightly acid pH can prevent multiplication and toxin formation of





76287. Bacteria of genus Nitrosomonas use __________ as their electron source.





76288. All organisms require at least small amounts of carbondioxide, However, some can use CO2 as their sole source of carbon. Such organisms are termed as





76289. The generation time of a culture that produces two generations per hour is





76290. Autotrophic bacteria are those which





76291. Which of the following organisms typically get their carbon for biosynthesis from organic compounds?





76292. An organism is completely dependent on atmospheric O2 for growth. This organism is





76293. Microaerophilic bacteria are those which require





76294. The period between inoculation of bacteria in a culture medium and beginning of multiplication is known as





76295. The term aerotolerant anaerobe refers to an organism that




76296. The term obligate anaerobe refers to an organism that




76297. The fragmentation occurs in





76298. Which of the following is not the characteristic of a growth curve?





76299. Generation time of Escherichia coli is





76300. The organism which obtain their energy from chemicals are designated as





<<= Back Next =>>
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use | Powered By:Omega Web Solutions
© 2002-2017 Omega Education PVT LTD...Privacy | Terms And Conditions
Question ANSWER With Solution