Presence of _____________ bacteria in water causes disease like typhoid?
Correct answer: B. Pathogenic
- A. Aerobic
- B. Pathogenic
- C. Anaerobic
- D. Non-pathogenic
Explanation
Pathogenic bacteria are disease-causing microorganisms, and their presence in drinking water indicates faecal or other biological contamination that can transmit typhoid. Aerobic and anaerobic describe oxygen requirements, not whether the organism causes disease.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Chemical Process Principles
2,710 free Chemical Process Principles MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Chemical Process Principles questions
Which of the following is the most lethal water pollutant ?
The detrimental effect on organism and water quality with temperature rise of aquatic system is the reduction of _____________ of water?
Which of the following industries discharge mercury as a pollutant ?
As per the world health organisation (WHO) specification, the maximum permissible concentration (i.e., TLV) of particulate matter in air is _____________ μg/m3.(μg-microgram)?
Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about ______________ ppm (parts per million)?
Out of the following, TLV of _______________ is maximum (about 500 ppm)?