Which of the following are reasons for the chief fishing grounds being located in continental shelf areas where cold and warm currents meet? 1. Warm currents are rich in phosphates and nitrates 2. Plankton - the chief fish feed - thrives in these regions 3. The meeting of cold and warm currents allows the water to be well aerated 4. The epicontinental seas allow sunlight to reach almost to the bottom

Related MCQs

• Why are major fishing areas of the world confined to the temperate zone? 1. Cold and warm currents meet, creating conditions favourable for plankton growth 2. The fish of these waters are highly palatable as human food 3. There is a ready mark, in the land masses of the zone 4. The existence of submarine plateaus help in growth of fish population
• Consider the following statements : 1. Where fold mountains run parallel and close to the coast, continental shelf is narrow or absent 2. The average depth of continental shelf is 100 meters 3. Submarine canyons are mostly found in continental slope 4. The submarine flat topped mountains are called guyots. Which of the statements given above are correct? [IAS 2004]
• Fishing grounds are concentrated in the high latitudes. The reasons are: 1. great length of indented coastline 2. extensive continental shelves 3. water temperatures lower than 20°C 4. sparse population
• The world's major fishing grounds are located along the eastern shores of continents between 40º N and 50º N latitudes where cool and warm currents converge. An example or such area is
• The fishing grounds in the Pacific Ocean, the world's greatest fishing regions, lie between the :
• The shallow waters of continental shelves are rich fishing grounds. An example of such area is
• Consider the following statements: 1. Ocean currents are the slow- surface movement of water in the ocean. 2. Ocean currents assist in maintaining the Earth's heat balance. 3. Ocean currents are set in motion primarily by prevailing winds. 4. Ocean currents are affected by the configuration of the ocean. Which of these statements are correct? [IAS 2002]
• Consider the following statements: 1. Ocean currents are the slow-surface movement of water in the ocean 2. Ocean currents assist in maintaining the Earth's heat balance 3. Ocean currents are set in motion primarily by prevailing winds 4. Ocean current are affected by the configuration of the ocean Which of these statements are correct?
• What could be the main reason / reasons for the formation of African and Eurasian desert belt? 1. It is located in the sub-tropical high pressure cells. 2. It is under the influence of warm ocean currents. Which of the statements given above is/are correct in this context? [CSAT 2011]
• The meeting or warm and cold currents in the ocean lives rise to