Which one of the following to provides the force needed to drive the atmospheric circulation?
(A) Higher biotic content of the tropical latitudes and lower piotic content of the polar latitudes.
(B) The energy content between high insulation tropical latitudes and the low insulation polar latitudes.
(C) Higher rotational speed of lower latitudes lower rotational speed of higher latitudes.
(D) Equatorial radius of the earth is longer than the polar radius,
Kiel Canal connects ?
(A) Baltic Sea and North Sea
(B) Red Sea and Mediterranean Sea
(C) Caribbean Sea and Pacific Ocean
(D) Atlantic Ocean and Pacific Ocean
Agaragar is a colourless, tasteless jelly like substance used in the manufacture of Ice cream, is extracted from
(A) Red algae
(B) Brown algae
(C) Green algae
(D) Blue-green algae
Hypsometric graph is a
(A) graph of area-altitude distribution
(B) Graph of area-latitude distribution
(C) Graph of salinity-temperature distribution
(D) Graph of temperature-pressure distribution below the sea level
Identify the correct decreasing order of salts in terms of % in sea water?
(A) Sodium Chloride, Magnesium Sulphate, Calcium Sulphate, Magnesium Chloride
(B) Calcium Sulphate, Sodium Chloride, Magnesium Sulphate, Magnesium Chloride
(C) Sodium Chloride, Magnesium Chloride, Magnesium Sulphate, Calcium Sulphate
(D) Sodium Chloride, Magnesium Chloride, Calcium Sulphate, Magnesium Sulphate
Evaporation is greater when?
(A) warm air flows over warm current
(B) warm air flows over cold current
(C) cold air flows over warm current’
(D) cold air flows over cold current
The main area of production of icebergs is found in
(A) the West Coast of Greenland
(B) the East Coast of Japan
(C) The North Coast of Siberia
(D) the West Coast of Africa
Assertion (A) In the deep ocean, primary production occurs near hydrothermal vents.
Reason (R) Over there, microbes produce food through chemosynthesis which forms the basis for a food-chain.
(A) Both A and R are true and R is the correct explanation of A
(B) Both A and R are true, but R is not the correct explanation of A
(C) A is true, but R is false
(D) A is false, but R is true
No tress are found in Tundra biome near polar region of Northern hemisphere. This is due to
(A) snowfall inhibits plant respiration
(B) frozen ice beneath the surface soil (permafrost) restricts root growth
(C) less wind movement and inadequate* sunlight
(D) low temperature which restricts development of reproductive organs
Assertion (A) Areas lying within five to eight degrees latitude on either side of the equator receive rainfall throughout the year.
Reason (R) High temperatures and high humidity cause convectional rain to fall mostly in the afternoons near the equator
(A) If A and R are correct and R is the correct explanation of A
(B) If A and R are correct, but R is not the correct explanation of A
(C) If A is true, but R is false
(D) If A is false, but R is true
Average salinity of water of Arabian Sea is?
(A) 25 ppt
(B) 35 ppt
(C) 45 ppt
(D) 55 ppt
Which one among the following best explains the reason for the Eastern and Western boundaries of the Pacific Ocean experiencing frequent earthquake?
(A) There are deep ocean trenches along these margins
(B) High mountain stretch along the continental margins adjacent to this ocean
(C) These margins coincide with the plate margins
(D) The currents of the vast Pacific Ocean continue to dash against the continental margins
Which from the following is a landlocked sea?
(A) Red Sea
(C) North Sea
(D) Aral Sea
Which one of the following countries is not situated in the region between the Caspian Sea and the Black Sea?
Which of the following seas are enclosed?
2. Arab Sea
3. Sea of Azov
4. Bering Sea
Select the correct answer using the codes given below
(A) 1 and 2
(B) 3 and 4
(C) 2 and 3
(D) 1 and 4
Which of the following theories of the origin of tides is not correctly matched?
(A) Equilibrium Theory : Newton
(B) Canal Theory : Airy
(C) Stationary Wave : William Whwell Theory
(D) Dynamic Theory : Laplace
(Landform types) with List II (Location) and select the correct answer using the codes given below the lists
List I ————–List II
A. Mariana trench 1. Indian Ocean
B. Sunda trench 2. West-PacificOcean
C. Pureto Rico trench 3. Arabian Sea
D. Carlsberg ridge 4. Atlantic Ocean
(A) 2 1 4 3
(B) 2 3 1 4
(C) 4 1 2 3
(D) 3 1 4 2