Millionaire Mode

Microbial Waste Water Treatment

Question 1 of 23

Activated sludge should have the ability to settle quickly so that it can:

  1. be rapidly pumped back from sedimentation tank to aeration tank
  2. absorb pathogenic bacteria present in wastewater while sinking to the bottom of the settling tank
  3. be discarded and anaerobically digested
  4. absorb colloidal organic matter.

Prize Money

15₹7 Crores
14₹1 Crore
13₹50,00,000
12₹25,00,000
11₹12,50,000
10₹6,40,000
9₹3,20,000
8₹1,60,000
7₹80,000
6₹40,000
5₹20,000
4₹10,000
3₹5,000
2₹2,000
1₹1,000