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21
Which of the following are reasons for the chief fishing grounds being located in continental shelf areas where cold and warm currents meet?
I. Warm currents are rich in phosphates and nitrates
II. Plankton - the chief fish feed - thrives in these regions
III. The meeting of cold and warm currents allows the water to be well aerated
IV. The epicontinental seas allow sunlight to reach almost to the bottom
Discuss
Answer & Solution
Answer: Option D
Solution:
The reasons for the chief fishing grounds being located in continental shelf areas where cold and warm currents meet are Plankton - the chief fish feed - thrives in these regions, The meeting of cold and warm currents allows the water to be well aerated and The epicontinental seas allow sunlight to reach almost to the bottom.
22
The Great Barrier Reef is found
Discuss
Answer & Solution
Answer: Option D
Solution:
The Great Barrier Reef is found of the coast of Queensland. The Great Barrier Reef is the world's largest coral reef. It is near the coast of Queensland, Australia. It is made up of nearly 2900 coral reefs and over 600 islands. It is 327,800 km² big and 2600 km long.
23
Where is the Great Barrier Reef located?
Discuss
Answer & Solution
Answer: Option A
Solution:
Great Barrier Reef is located on the off shore region of Eastern Australia in the Pacific Ocean. It runs parallel to eastern coast of Australia.
24
Scandinavia is a suitable country for exploiting hydroelectricity because of the presence of
Discuss
Answer & Solution
Answer: Option A
Solution:
Scandinavia is a suitable country for exploiting hydroelectricity because of the presence of Lakes.
25
Which of the following is taken into consideration while deciding a shipping route?
Discuss
Answer & Solution
Answer: Option D
Solution:
The following that is taken into consideration while deciding a shipping route are Depth of the sea, Availability of ports and harbours and Climate of the region.
26
Country peopled almost by migration is
Discuss
Answer & Solution
Answer: Option C
Solution:
Country peopled almost by migration is Australia. Australia's estimated resident population (ERP) reached 24 million. More than one quarter (28.2%) of Australia's resident population was born overseas - a level that is considered very high compared to most other OECD countries.
27
European Turkey is separated from its Asian part by
Discuss
Answer & Solution
Answer: Option D
Solution:
European Turkey is separated from its Asian part by Straits of Bosporus, Sea of Marmara and Straits of Dardanelles.
28
The actual amount or moisture contained in the air is known as
Discuss
Answer & Solution
Answer: Option D
Solution:
The actual amount or moisture contained in the air is known as Absolute humidity. Absolute humidity (units are grams of water vapor per cubic meter volume of air) is a measure of the actual amount of water vapor in the air, regardless of the air's temperature. The higher the amount of water vapor, the higher the absolute humidity.
29
The only port in erstwhile Soviet Union that is ice free throughout the year is
Discuss
Answer & Solution
Answer: Option C
Solution:
The only port in erstwhile Soviet Union that is ice free throughout the year is Murmansk. The port of Murmansk remains ice-free year round due to the warm North Atlantic Current and is an important fishing and shipping destination.
30
On which or the following African riven is the Kariba Dam one of the world's largest hydel power systems located?
Discuss
Answer & Solution
Answer: Option D
Solution:
On the Zambezi river is the Kariba Dam one of the world's largest hydel power systems is located. The dam stands 128 metres (420 ft) tall and 579 metres (1,900 ft) long. The dam forms Lake Kariba, which extends for 280 kilometres (170 mi) and holds 185 cubic kilometres (150,000,000 acre⋅ft) of water.