Ordinary Thinking
Subject Experts Biology Solutions for Exercise - Ordinary Thinking
Simple step-by-step solutions to Ordinary Thinking questions of Microbes in Human Welfare from NTA Errorless Biology Volume-2. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from Ordinary Thinking with Hints & Solutions
Refer the given flowchart of sewage treatment, accordingly match Column I with Column II and select the correct answer from the codes given below
Column-I | Column-II | ||
A. | The stage in which physical treatment of sewage is done | (i) | Anaerobic digestion of activated sludge and production of biogas |
B. | The stage in which biological treatment of sewage is done | (ii) | Activated sludge |
C. | Name of the sediment in primary treatment | (iii) | Aeration tanks |
D. | It is carried to aeration tanks from primary settling | (iv) | Primary effluent |
E. | Name of the sediment in secondary treatment | (v) | Primary sludge |
F. | Site of flocs growth | (vi) | Secondary treatment |
G. | Function of sludge digester | (vii) | Primary treatment |

Which of the following in sewage treatment removes suspended solids

Which among these are produced by distillation of fermented broth
(i) Whisky
(ii) Wine
(iii) Beer
(iv) Rum
(v) Brandy

Antibiotic flavicin is obtained from

Immobilised enzymes are generally used for bioreactors in

Fleming, Chain, and Florey were awarded the Nobel Prize in 1945 for the discovery of

The large vessels for growing microbes on an industrial scale are called

During which stage of sewage treatment microbes are used
