hydrosphere & oceanography section 6 MCQ Questions & Answers Detailed Explanation

Question : 1

Spring Tide occurs

a) When the night is very cold

b) When a strong wind blows

c) When the Sun, the Earth and Moon are in a straight line

d) When the Sun and Moon make a right angle

Question : 2

Identify the correct statement regarding variation in density of ocean water and air at the same temperature—.

a) Ocean water is 200 times more denser than air.

b) Ocean water is 400 times more denser than air.

c) Ocean water is 800 times more denser than air.

d) Ocean water is 600 times more denser than air.

Question : 3

Which one among the following is a sea without having a coastline?

a) Bering sea

b) Baltic sea

c) North sea

d) Sargasso sea

Question : 4

What is the triangular landmass that forms at its mouth when a river splits into several branches just before entering the sea?

a) Delta

b) Estuary

c) Cape

d) Island

Question : 5

The sea surrounded by Italy, Sicily, Sardinia and Corsica is

a) Tyrrhenian Sea

b) Ligurian Sea

c) Adriatic Sea

d) Aegean Sea

Question : 6

Match rivers labelled (a), (b), (c) and (d) on the given map with their names given in the list and select the correct answer using the code given below the lists.

1. St. Lawrence
2. Orinoco
3. Mackenzie
4. Amazon
5. Yukon

a) 3 1 4 2

b) 5 4 1 3

c) 4 3 2 1

d) 5 3 1 2