Home
Class 12
BIOLOGY
The step which involves removal of small...

The step which involves removal of small and large particles through filtration and sedimentation.
I. Primary treatment
II. Secondary treatment
III. Biological treatment
IV. Tertiary treatment

A

I and III

B

Only III

C

Only I

D

II and IV

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MICROBES IN HUMAN WELFARE

    ARIHANT NEET|Exercise Chapter exercises C ( Medical entrances gallery )|28 Videos

  • MICROBES IN HUMAN WELFARE

    ARIHANT NEET|Exercise Chapter exercises A (Taking it together (Assorted Questions of the Chapter for Advanced Level Practice))|114 Videos

  • MENDELIAN BASIS OF INHERITANCE

    ARIHANT NEET|Exercise Chapter Exercise C Medical entrances gallery (Collection of questions asked in NEET & Various Medical Entrance Exams)|84 Videos

  • MINERAL NUTRITION

    ARIHANT NEET|Exercise Chapter Exercises (C) Medical Entrances gallery (Collection of questions asked in NEET & Various Medical Entrance Exams)|70 Videos

Similar Questions

Explore conceptually related problems

Physical removal of large and small particle from the sewage through filtration and sedimentation is called

Physical removal of large and small particles from the sewage through filtration and sedimentation is done under-

Study the following statements and select the incorrect ones. (i) Physical removal of large and small particles through filtration and sedimentation is called primary sewage treatment. (ii) Secondary sewage treatment is mainly a mechanical process. (iii) Activated sludge sediment in a sewage treatment plant is a rich source of aeroic bacteria. (iv) Biogas, commonly called as gobar gas, is pure methane.

Study the following statements and select the incorrect ones (i) Physical removeal of large and small particles through filtration and sedimentation is called primary sewage treamtent. (ii) Secondry sewage treatment is mainly a mechanical process (iii) Activated sludge sediment is a sewage treatement plant is a rich soruce of aerobic bactria.

Filtration and Sedimentation are the sewage treatment steps involved in

Secondary treatment or biological treatment of waste or sewage is done by the :-

What is the flocs in Biological treatment step

Given below are the steps involved in sewage treatment. Arrange them in proper sequence and select the correct option. A. Passage of primary effluent into large aeration tanks for mechanical agitation and pumping of air. B. Passage of secondary effluent and formation of activated sludge. C. Physical removal of particles through filtration and sedimentation D. Release of effluent from the secondary treatment plant into natural water bodies. E. Growth of useful aerobic microbes into flocs which significantly reduce the BOD.

Why do we prefer to call secondary waste water treatment as biological treatment?