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Doctors Medicines MCQs Q&A

  1. Only 1
  2. Only 2
  3. Both 1 and 2
  4. None of the above
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1 Answers

Option 2 : Only 2

Option 2 is NOT correct.

  • The bottom of the stratosphere is around 10 km (6.2 miles or about 33,000 feet) above the ground at middle latitudes.
  • The top of the stratosphere occurs at an altitude of 50 km (31 miles). 
  • The height of the bottom of the stratosphere varies with latitude and with the seasons. Hence, Statement 1 is correct.
  • The lower boundary of the stratosphere can be as high as 20 km (12 miles or 65,000 feet) near the equator and as low as 7 km (4 miles or 23,000 feet) at the poles in winter. Hence, Statement 2 is NOT correct.
  • The lower boundary of the stratosphere is called the tropopause; the upper boundary is called the stratopause.
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Related Questions

In the following question the 1st and the last part of the sentence/passage are numbered 1 and 6. The rest of the sentence/ passage is split into four parts and named P, Q, R and S. These four parts are not given in their proper order. Read the sentence/passage and find out which of the four combinations is correct.  1. The northeastern region presents a diverse system of habitats, ranging from tropical rainforests to alpine meadows. P. In eastern Himalayas the rainfall ranges from 125 to 300 cms, in Assam from 178 to 305 cms. Q. The temperature in the region varies with location, elevation,topography, rainfall and humidity. R. The uneven distribution affects the region in two opposite ways, floods and droughts. S. It is largely a humid tropical region with two periods of rainfall; the winter rains come from the west and the summer rains are brought by the monsoon winds. 6. The winter temperature in Shillong, for example, varies from 4°C to 24°C; in Gangtok, from 9°C to 23°C.?
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