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- Question
Which one of the following gases is released mostly from landfills in urban areas?
Options- A. Nitrogen
- B. Hydrogen
- C. Methane
- D. Oxygen
- Correct Answer
- Methane
ExplanationDecomposing waste in the landfills, by the action of microorganisms, produce methane and carbon dioxide. Landfill gas consists of 40-60% of methane and rest is carbon dioxide. Trace amount of volatile organic compounds (<1) are also present which mainly comprise of hydrocarbons.
- 1. Who invented Gunpowder?
Options- A. G. Ferdinand Von Zeppelin
- B. Sir Frank Whittle
- C. Roger Bacon
- D. Leo H Baekeland Discuss
- 2. Jeev Milkha Singh is associated with which sports?
Options- A. Volleyball
- B. Golf
- C. Athletics
- D. Hockey Discuss
- 3. The largest dry rock in India is situated at
Options- A. Mumbai
- B. Cochin
- C. Marmugao
- D. Kolkata Discuss
- 4. The landmass of which of the following continents is the least?
Options- A. Africa
- B. Asia
- C. Australia
- D. Europe Discuss
- 5. 'Vijay Stambha' is situated in
Options- A. Jaipur
- B. Agra
- C. Delhi
- D. Chittor Discuss
- 6. Balloons are filled with
Options- A. nitrogen
- B. helium
- C. oxygen
- D. argon Discuss
- 7. Plants hormone that induces cell division is
Options- A. auxins
- B. gibberellins
- C. kinins
- D. domins Discuss
- 8. The Vedic deity Indra was the Goddess of
Options- A. wind
- B. eternity
- C. rain and thunder
- D. fire Discuss
- 9. The minimum age required to become a member of Rajya Sabha is
Options- A. 21 years
- B. 25 years
- C. 30 years
- D. 35 years Discuss
- 10. The main factor determining a region's climate is
Options- A. longitude
- B. latitude
- C. temperature
- D. All of the above Discuss
More questions
Correct Answer: Roger Bacon
Correct Answer: Golf
Correct Answer: Marmugao
Correct Answer: Australia
Correct Answer: Chittor
Correct Answer: helium
Correct Answer: kinins
Correct Answer: rain and thunder
Correct Answer: 30 years
Correct Answer: latitude
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