Which of the following statements is incorrect?

  • A
    Municipal wastewater contains large amounts of organic matter and microbes.
  • B
    Flocs are non-living.
  • C
    In a biogas plant,the concrete tank is filled with a slurry of bio-organic waste and dung.
  • D
    Methanogens perform anaerobic respiration in a biogas plant.

Explore More

Similar Questions

Microbes are used in:
$1.$ Primary treatment of sewage
$2.$ Secondary treatment of sewage
$3.$ Anaerobic sludge digester
$4.$ Production of bioactive molecules

Consider the following statements:
$I.$ Yeast used in making bread and beverages is a prokaryotic fungus.
$II.$ Streptokinase is produced by $Streptococcus$ and modified by genetic engineering is used as a clot buster.
$III.$ Lipases are added in detergent for removing only stains from laundry.
$IV.$ Pectinases are used in clearing fruit juices.
Which of the statements given above are correct?

$A$ - The puffed-up appearance of dough is due to the production of $CO_2$ gas.
$R$ - $LAB$ damages the stomach.

One of the useful activities of several bacteria is

Which of the following pairs is mismatched?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo