What is the temperature at which MPN test is performed? – McqOptions

MCQOPTIONS

1.	What is the temperature at which MPN test is performed?
A.	35oC
B.	37 oC
C.	40oC
D.	45 oC
Answer» C. 40oC

Discussion

No Comment Found

Related MCQs

Presence of nitrogen in high concentration in contaminated air reduces partial pressure of oxygen in lungs, thereby causing asphyxia (suffocation) leading to death from oxygen deficiency. Concentration of N2 in contaminated air at which it acts as a natural asphyxant is ≥ __________ percent.
There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth's surface in which human being along with other organisms live is called troposphere. The rate at which air temperature in the troposphere gradually decreases with height is about __________ °C/km.
Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre.
Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called
Failures within hydrosphere in oxygen cycle can result in the development of:
What are the main constituents of the environmental cycles?
_________ is a raw material sent to and processed in a waste recycling plant.
Pollution cases can be classified into _________ types.
_________ is the simplest equipment used for collection of solid particulates.
Which of the below leads to disturbance of nitrogen fixation in the soil?