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A bacteria gives birth to two new bacteria in each second and the life span of each bacteria is 5 seconds. The process of the reproduction is continuous until the death of the bacteria. initially there is one newly born bacteria at time t = 0, the find the total number of live bacteria just after 10 seconds :
Which of the following statement is/are correct regarding coliform bacteria? i. It is gram negative ii. It is rod shaped bacteria iii. It is a harmless aerobic microorganism
Essentially in an experiment involving bacteria, we measure Optical density of the media where the bacteria grow at different time point from the same flask. If we have 2 or more types of bacteria and want to investigate whether the growth curve of those bacteria are significantly different, what do you think the best analysis can be applied for this purpose?
A continuous process is set up for treatment of wastewater. Each day, 103 kg cellulose and 105 kg bacteria enter in the feed stream, while 102 kg cellulose and 1.5 x 102 kg bacteria leave in the effluent. The rate of cellulose digestion by the bacteria is 8 x 102 kg d-1. The rate of bacterial growth is 4x 102 kg d-l; the rate of cell death by lysis is 6 x 102 kg d-1. Write balances for cellulose and bacteria in the system.
The number of coliform bacteria provides an estimate about which of the following?
Coliform bacteria are found in which human organ?
The coliform group of bacteria includes all the __________________ bacilli.
Which of the following organism does not belong to coliform group of bacteria?
In the question below are given three statements followed by four conclusions numbered I, II, III, IV. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the following conclusions logically follows from the given statements disregarding commonly known facts. Statements: All sands are golds. No silver is a gold. Some silvers are leads. Conclusions: I) No sand is a gold. II) Some leads are not golds. III) Some sands are silvers. IV) Some leads are sand.
Which of the following statements are correct?
1. The growth needs in ERG model are similar to self actualisation and self esteem needs of need hierarchy model.
2. Absence of hygiene factor leads to dissatisfaction.
3. Presence of hygience factors leads to satisfaction.
4. Presence of motivators leads to satisfaction.