Skip to main content
MediumBotanyMicrobes in Human Welfare
+4 / -1
Identify the INCORRECT statement regarding Sewage Treatment:
A
In primary treatment, the sediment is called primary sludge and the supernatant forms the effluent.
B
During secondary treatment, the BOD of the effluent is increased until the organic matter is consumed.
C
The activated sludge is pumped into anaerobic sludge digesters where methane, hydrogen sulfide, and CO2 are produced.
D
Tertiary treatment is a physico-chemical process used to remove nitrates and phosphates.
Previous

In the standard diagram of a biogas plant, the floating cover is placed over the

Next

Regarding the enzyme Streptokinase, which statement is INCORRECT?

More from Microbes in Human Welfare
Medium

Assertion (A): Rhizobium forms symbiotic association with roots of non-leguminous plants like Alnus.

Medium

Assertion (A): Methanogens grow aerobically on cellulosic material to produce methane. Reason (R): M

Easy

Assertion (A): Trichoderma polysporum is used as a biocontrol agent against plant pathogens. Reason

Easy

Assertion (A): Streptokinase is used as a clot buster in patients suffering from myocardial infarcti

Medium

Assertion (A): During secondary treatment of sewage, the BOD of the effluent increases until the org

Medium

Which of the following statements regarding Biofertilizers is INCORRECT?

Practice Botany Exams

Full-length mock tests with detailed analytics, rank, and percentile.

Browse Exams