← All questionsGS1 · 2022 · Geography ·Troposphere and Weather Processes
QUESTION 17
GS1
15 marks

The troposphere is a very significant atmospheric layer that determines weather processes. How?

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11 min
250 words
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What the examiner wants

Explain how the features of the troposphere make it the layer where weather happens.

ExplainMake clear how and why it happens: causes, process, and an example for each point.

Demand-wise check

  1. 1Features: holds most water vapour and dust, temperature falls with height≈65 words
  2. 2Weather processes: convection, condensation, clouds, rain, storms≈65 words
  3. 3Tropopause and its variation≈65 words

Open in about 30 words and close in about 30.

Answer plan

Define the layerFeaturesLink each feature to a weather processConclusion

Where marks usually go

  • Describing all layers of the atmosphere
  • Not linking features to weather processes

Draw this

  • Atmosphere diagram with the troposphere and its processes

Value addition

  • FactTemperature falls by about 6.5°C per km of height in the troposphere (normal lapse rate).NCERT Fundamentals of Physical Geography
  • FactThe troposphere is about 18 km thick at the equator and about 8 km at the poles.NCERT Fundamentals of Physical Geography

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