Which of the following plate is used to detect and isolate organic acid producers?

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Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids?

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Which of the following method is not used in isolation and screening of desired microorganisms?

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Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors?

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Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium?

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Which of the following dye is colourless at acidic pH and becomes red at basic pH?

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A test tube contains 9ml distilled water. 1g of soil is added to that test tube and the soil is allowed to settle down. Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. The process is repeated several times until the requirement is met. For this dilution, it may be said that the solution was diluted _______

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Which of the following is NOT a criterion for the choice of an organism?

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The screening is isolation and detection of microorganisms of interest.

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The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves.

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Full-form of ATCC is _________

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What is the pH range of Bromophenol blue?

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The Replica plate technique was used for _________

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The preservation of agar slopes has an expiration of 6 months and the agar needs to be changed every 6 months. Which of the following can be used to extent sub-culturing to 1 year?

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Which of the following method of preservation is more suitable and used widely?

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Who discovered the Gradient plate technique?

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Which of the following is/are used in dried culture preservation?

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The cryoprotective agents are used to prevent cell damage.

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In which of the following technique the genome is transferred from one organism to another?

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Which of the following control system involves the control of pathway after the branch point to the product?

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Which of the following is NOT a cryoprotective agent?

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Which of the following is not true for the feedback system?

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Which of the following is the analogue of valine?

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