Geography(7th Grade ) Questions and Answers

Question 1. The chemical substance used to destroy the weeds in crops is called
  1.    herbicides
  2.    monoxides
  3.    carob-oxides
  4.    pesticides
Explanation:-
Answer: Option D. -> pesticides
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 2. Besides the forest fires as natural source of pollution, the other major sources of pollution are
  1.    zonal settlement patterns
  2.    human activities
  3.    falling of meteoroids
  4.    nucleated settlement patterns
Explanation:-
Answer: Option B. -> human activities
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 3. The kind of land pollution in which salt content rises and land becomes unsuitable for farming is called
  1.    carbonization of soil
  2.    deoxygenating of soil
  3.    salinization of soil
  4.    oxygenation of soil
Explanation:-
Answer: Option C. -> salinization of soil
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 4. The harmful substance released by power plants and cars is
  1.    carbon dioxide
  2.    oxygen
  3.    potassium
  4.    magnesium
Explanation:-
Answer: Option A. -> carbon dioxide
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 5. The natural source of pollution is
  1.    rain forest
  2.    mining for minerals
  3.    forest fire
  4.    falling of meteoroids
Explanation:-
Answer: Option C. -> forest fire
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 6. The reduce, reuse and recycle principle by which wastes can be reduced is classified as
  1.    waste organizer principle
  2.    waste management principle
  3.    RE principle
  4.    3R principle
Explanation:-
Answer: Option D. -> 3R principle
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 7. The Kyoto Protocol agreement signed by participating countries and became legally binding in
  1.    1982
  2.    2005
  3.    1990
  4.    2010
Explanation:-
Answer: Option B. -> 2005
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 8. During the process of photosynthesis, the element that plants give off is
  1.    methane
  2.    carbon dioxide
  3.    oxygen
  4.    ethane
Explanation:-
Answer: Option C. -> oxygen
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 9. The 'global warming' leads to
  1.    low level of oxygen
  2.    high level of oxygen
  3.    floods and droughts
  4.    rain forests
Explanation:-
Answer: Option C. -> floods and droughts
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 10. The fuel oils and coal are classified as
  1.    deoxygenated fuels
  2.    eutrophication fuels
  3.    fossil fuels
  4.    allotropic fuels
Explanation:-
Answer: Option C. -> fossil fuels
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!