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MCQs

Total Questions : 223 | Page 21 of 23 pages
Question 201. Which mining causes breathing and chest problems?
  1.    Opencast mining
  2.    Deep Mining
  3.    Deep and open cast mining
  4.    Digging
 Discuss Question
Answer: Option B. -> Deep Mining
Answer: (b).Deep Mining
Question 202. Urbanization is the increase growth of
  1.    Rural areas
  2.    Villages
  3.    Cities
  4.    Town
 Discuss Question
Answer: Option C. -> Cities
Answer: (c).Cities
Question 203. The southern oceans hold on dissolved gases such as
  1.    Oxygen
  2.    Carbon dioxide
  3.    Both a and b
  4.    None of these
 Discuss Question
Answer: Option C. -> Both a and b
Answer: (c).Both a and b
Question 204. Which countries depends mostly on exporting minerals?
  1.    Europe
  2.    American countries
  3.    Africa
  4.    Asian
 Discuss Question
Answer: Option C. -> Africa
Answer: (c).Africa
Question 205. Which lung disease is caused to a miner by inhaling quartz is called?
  1.    Silicosis
  2.    Pulmonary fibrosis
  3.    Tuberculosis
  4.    Lung cancer
 Discuss Question
Answer: Option A. -> Silicosis
Answer: (a).Silicosis
Question 206. Southern Ocean consists of
  1.    Atlantic Ocean
  2.    Pacific Ocean
  3.    Indian Ocean
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Answer: (d).All of these
Question 207. What is the basis of food chain?
  1.    Phytoplantons
  2.    Zooplankton
  3.    Photosynthesis
  4.    Krills
 Discuss Question
Answer: Option A. -> Phytoplantons
Answer: (a).Phytoplantons
Question 208. To preserve a wide range of plants and to guard against the continuos loss of hereditary materials is known as
  1.    Gene Pool
  2.    Gene bank
  3.    Conservation
  4.    Mitigation
 Discuss Question
Answer: Option B. -> Gene bank
Answer: (b).Gene bank
Question 209. During the long hours of the day in summers in the southern oceans, there is almost a constant
  1.    Eutrophication
  2.    Photosynthesis
  3.    Infiltration
  4.    All of these
 Discuss Question
Answer: Option B. -> Photosynthesis
Answer: (b).Photosynthesis
Question 210. Nutrients and minerals are kept in suspension, where they can be used by the
  1.    Phytoplantons
  2.    Planktons
  3.    Both a and b
  4.    None of these
 Discuss Question
Answer: Option A. -> Phytoplantons
Answer: (a).Phytoplantons

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