Download App

Wastewater Story — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceWastewater Story1 Mark
MCQ
A septic tank is a$........$
  • A
    Sedimentation tank.
  • B
    Digestion tank.
  • C
    Aeration tank.
  • ✓
    Combination of sedimentation and digestion tank.
✓

Answer

Correct option: D.
Combination of sedimentation and digestion tank.
Septic tank is a combined sedimentation and digestion tank where sewage is retained for one day to two days.
The septic tank digests organic matter and separates solids from the wastewater.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "MCQ (1 Marks)" from Wastewater Story→Wastewater Story — all question types→Science STD 7 question papers→Gujarat Board STD 7 question papers→Gujarat Board question paper generator→

Similar questions

The process of removing the fleece of sheep along with a thin Layer of skin is called.
→
A cyclone is:
→
Which one of the following statement is correct about soil?
→
Yeast is used in wine and beer industries because it respires.
→
Why doorbell rings repeatedly when switch is pressed:
→
The process of ground water getting stored between the layers of hard rock below the water table is known as:
→
Which of the following is digested in mouth ?
→
An 11-year-old girl is experiencing pain and discomfort in her lower abdomen every month for a few days. What natural process is most likely responsible, and what should be encouraged during this period?
→
Which part of a torch glows?
→
The time taken by the earth to complete one rotation about is own axis is called:
→