2211: Which among the following National Highway routes is the longest?
(a) Agra-Mumbai
(b) Chennai-Thane
(c) Kolkata-Hajira
(d) Pune-Machilipatnam
2212: The chemical used as a 'fixer' in photography is
(a) sodium sulphate
(b) sodium thiosulphate
(c) ammonium persulphate
(d) borax
2213: When a ship enters a sea from a river, its portion under water will:
(a) Increase
(b) Decrease
(c) Show no change
(d) Increase and decrease alternately
2214: Consider the following regions:
1. Eastern Himalayas
2. Eastern Mediterranean region
3. North-western Australia
Which of the above is/are Biodiversity Hotspot(s)?
(a) 1 only
(b) 1 and 2 only
(c) 2 & 3 only
(d) 1, 2, 3
2215: Deserts such as the Sahara are generally found between 20° and 30° latitudes in the western parts of the continents. This is because these regions
(a) Have off-shore winds throughout the year
(b) Have warm off-shore currents
(c) Lie in the belt of the doldrums
(d) Are very hot throughout the year