GK World · 425 questions

Environment MCQs

Practice 425 Environment MCQs for competitive-examination preparation, with four-option questions, answer review and topic filters.

Open complete question bankBrowse GK World

Sample Environment questions

A sample from the full interactive bank. Open the complete bank to attempt questions and review answers.

  1. 1. Which gas has traditionally been used as a propellant in paintball markers?

    1. Air
    2. Carbon dioxide
    3. Nitrogen
    4. Nitrous oxide

  2. 2. Which element has atomic number 54?

    1. Xenon
    2. Carbon
    3. Fermium
    4. Tin

  3. 3. What approximate atomic-mass value corresponds to Carbon?

    1. 88.90584
    2. 7
    3. 85.468
    4. 12.011

  4. 4. Which chemical element has the symbol "B"?

    1. Boron
    2. Carbon
    3. Nitrogen
    4. Oxygen

  5. 5. Which chemical symbol represents Carbon?

    1. Ti
    2. C
    3. Rb
    4. Re

  6. 6. Which element has the chemical symbol Na?

    1. Sodium
    2. Carbon
    3. Ytterbium
    4. Tantalum

  7. 7. Which element has atomic number 65?

    1. Terbium
    2. Tin
    3. Tennessine
    4. Carbon

  8. 8. Which chemical element is a diamond made of?

    1. Carbon
    2. Aluminum
    3. Silicon
    4. Calcium

  9. 9. Brass is an alloy of which two metals?

    1. Copper and zinc
    2. Iron and nickel
    3. Copper and tin
    4. Iron and carbon

  10. 10. Which element has atomic number 6?

    1. Germanium
    2. Scandium
    3. Tungsten
    4. Carbon

  11. 11. Which element has atomic number 98?

    1. Boron
    2. Bromine
    3. Californium
    4. Carbon

  12. 12. Which climate classification best describes Eilat in southern Israel?

    1. Humid subtropical climate
    2. Mediterranean climate
    3. Tundra climate
    4. Hot desert climate