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41
Which of the following is the largest irrigation canal in the world?
Discuss
Answer & Solution
Answer: Option D
Solution:
The Indira Gandhi Canal is the longest canal in India and the largest irrigation project in the world. Indira Gandhi Canal is 649 km long and consists of Rajasthan feeder canal and Rajasthan main canal and runs through 167 km in Punjab and Haryana and remaining 492 km in Rajasthan.
42
The Strait connecting Arabian Sea and the Bay of Bengal is ________
Discuss
Answer & Solution
Answer: Option C
Solution:
The Strait connecting Arabian Sea and the Bay of Bengal is Palk Strait. It connects the Bay of Bengal in the northeast with Palk Bay in the southwest. The strait is 53 to 82 kilometres (33 to 51 mi) wide.
43
Where are the Balearic Islands located?
Discuss
Answer & Solution
Answer: Option A
Solution:
The Balearic Islands is a Spanish archipelago located in the Mediterranean Sea. It is an autonomous community of Spain. It has four major islands and several minor ones.
44
Which one of the following countries does not border Mediterranean Sea?
Discuss
Answer & Solution
Answer: Option D
Solution:
Bulgaria does not border mediterranean sea, shares the boundary with Black-sea.
45
Which of the following are factors that effect the movement of ocean currents?
I. Earth's gravity
II. Atmospheric pressure
III. Winds
IV. Salinity of the water
V. Seasonal Variations
Discuss
Answer & Solution
Answer: Option D
Solution:
The factors that effect the movement of ocean currents are Earth's gravity, Atmospheric pressure, Winds, Salinity of the water and Seasonal Variations.
46
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
Discuss
Answer & Solution
Answer: Option A
Solution:
Fishing grounds are concentrated in the high latitudes. The reasons are there great length of indented coastline, extensive continental shelves and water temperatures lower than 20°C.
47
The Kiel Canal links the ________
Discuss
Answer & Solution
Answer: Option C
Solution:
The Kiel Canal links the North Sea and Baltic Sea. The canal constitutes the safest, most convenient, shortest, and cheapest shipping route between the two seas.
48
The deepest surface depression on earth is
Discuss
Answer & Solution
Answer: Option B
Solution:
The deepest known depression on the earth is the Mariana Trench, which lies east of the Mariana Islands in the western North Pacific Ocean; it reaches 11,034 metres (36,200 feet) at its deepest point.
49
Major source of oceanic salinity is
Discuss
Answer & Solution
Answer: Option A
Solution:
Major source of oceanic salinity is rivers. There are many chemicals in seawater that make it salty. Most of them get there from rivers carrying chemicals dissolved out of rock and soil. The main one is sodium chloride, often just called salt.
50
The deepest trench of the Indian Ocean is
Discuss
Answer & Solution
Answer: Option A
Solution:
The average depth of the Indian Ocean is about 12,750 feet. The deepest is 24,440 feet in the Java Trench in the extreme northeast corner of the basin.