THE WATER WORLD / FACTS AND COUNTRIES MCQS 03

THE WATER WORLD / FACTS AND COUNTRIES MCQS 03

1. The Cape Route has recently assumed some importance in the shipping world because:
(a) the trade through this route has greatly increased with the development of South African States
(b) The canal tolls on the Suez Canal are heavy
(c) large oil tankers cannot be accommodated in the narrow and comparatively shallow Suez Canal
(d) all the above
Ans: (d)

2. Which of the following is called the "Gateway to the Pacific" ?
(a) Suez Canal
(b) Panama Canal
(c) Bering Sea
(d) Gulf of Alaska
Ans: (b)

3. Which one of the following statements is not true?
(a) Gulfs with narrow fronts and wider rears experience high tides
(b) Tidal currents take place when a gulf is connected with the open sea by a narrow channel
(c) Tidal bore occurs when a tide enters the narrow and shallow estuary of a river
(d) The tidal nature of the mouth of the river Hooghly is of crucial importance to Kolkata as port
Ans: (a)

4. Which of the following are true of the Pacific Ocean?
1. It is the largest of all water bodies
2. It is roughly triangular in shape
3. The average depth is about 7300 m
4. Nearly 20,000 islands dot this vast ocean
(a) I, II and III
(b) I and III
(c) II and III
(d) I, II, III and IV
Ans: (d)

5. Match the following:
Types of Deltas Formed by Rivers
A. Fan-shaped Delta 1. Tiber
B. Birds' Foot Delta 2. Hudson
C. Estuarine Delta 3. Mississippi
D. Cuspate Delta 4. Ganga
A B C D
(a) 4 3 1 2
(b) 3 4 2 1
(c) 2 1 4 3
(d) 4 3 2 1
Ans: (d)
6. Match the following:
A. Fringing 1. wide coral reef separated Reef from the coastline by a wide deep lagoon
B. Barrier Reef 2. uneven platform of coral separated from the mainland by a narrow shallow lagoon
C. Atoll 3. circular/elliptical/horse shoe shaped coral reef enclosing a lagoon
A B C
(a) 2 1 3
(b) 3 2 1
(c) 3 2 1
(d) 3 1 2
Ans: (a)
7. What is the correct decreasing order of the share of different salts in sea water?
(a) sodium chloride, magnesium chloride, magnesium sulphate, potassium sulphate
(b) sodium chloride, magnesium chloride, potassium sulphate, magnesium sulphate
(c) sodium chloride, magnesium sulphate, potassium sulphate, magnesium chloride
(d) sodium chloride, magnesium chloride, potassium sulphate, magnesium sulphate
Ans: (a)

8. The coastline formed by the submergence of mountain ridges running parallel to the coast is known as :
(a) Dalmation coast
(b) Ria coast
(c) Fiord coast
(d) Haff coast
Ans: (a)
9. Coral reefs are formed by :
(a) volcanic rocks
(b) marine sediments
(c) chlorine material precipitated from sea water
(d) tiny colonial marine animals which construct limestone skeleton material
Ans: (d)
10. 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?
(a) 1, 2, 3 and 4
(b) 1, 2 and 4
(c) 1, 3 and 4
(d) 2 and 3
Ans: (b)