Q. Consider the following pairs:
  1. Isoneph -  a line on a weather map or chart connecting points having the same amount of cloudiness
  2. Isohaline - a line on a map connecting points having the same duration of sunshine.
  3. Isocheim - a line on a map connecting points having the same average temperature in winter
   Which of the above is/are correct?

Answer: 1 & 3 Only
Notes: Isocheim is a line on a map connecting points having the same average temperature in winter. Isoneph is a line on a weather map or chart connecting points having the same amount of cloudiness. Isohaline is a line on map connecting points having the same salinity.
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