10 - Science - 08. Biology – Waste Water Management
7 Questions
| Attempts: 1818
Questions and Answers
- 1.Example for water-borne disease is _________
- A.
Scabies
- B.
Dracunculiasis
- C.
Trachoma
- D.
Typhoid
- 2.The settled and floating materials are removed by this treatment method.
- A.
Primary treatment
- B.
Secondary treatment
- C.
Tertiary treatment
- D.
Peripheral treatment
- 3.Which is a non-renewable resource?
- A.
Coal
- B.
Petroleum
- C.
Natural gas
- D.
All the above
- 4.----------- is the chief component of natural gas.
- A.
Ethane
- B.
Methane
- C.
Propane
- D.
Butane
- 5.Odd one out. bio alcohol, green diesel, bio ethers, petroleum
- A.
Bio alcohol
- B.
Green diesel
- C.
Bio ethers
- D.
Petroleum
- 6.Odd one out. cholera, typhoid, scabies, dysentery
- A.
Cholera
- B.
Typhoid
- C.
Scabies
- D.
Dysentery
- 7.Pick out the suitable appliances to conserve the electric energy. Florescent bulbs, copper choke, electric water heater, tungsten bulbs
- A.
Florescent bulbs
- B.
Copper choke
- C.
Electric water heater
- D.
Tungsten bulbs
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