Download App

BIOLOGY CH24 Environmental Science — Science STD 9 — Question

Tamilnadu BoardEnglish MediumSTD 9ScienceBIOLOGY CH24 Environmental Science1 Mark
MCQ
The wastes removed in tertiary treatment are ………………
  • A
    Suspended solids
  • B
    Biodegradable organic matter
  • C
    Inorganic substances
  • D
    All of these
✓

Answer

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" from BIOLOGY CH24 Environmental Science→BIOLOGY CH24 Environmental Science — all question types→Science STD 9 question papers→Tamilnadu Board STD 9 question papers→Tamilnadu Board question paper generator→

Similar questions

Two cylindrical rods of same length have the area of cross section in the ratio 2:1. If both the rods are made up of same material, which of them conduct heat faster?
→
…………….. is an intentionally added adulterant in milk.
→
Elements with stable electronic configurations have eight electrons in their valence shell. They are ______.
→
d-block elements are otherwise known as _________ .
→
Which among the planets does not have a moon?
→
The disappearance of spindle fibres is seen in …………….
→
Unit used to measure length
→
Unit which is used to measure mass
→
The relation between displacemeñt and time is given by the equation of
→
The Indigenous Draught breed from Thanjavur district is ………………..
→