Chapter-Movements of ocean water

Important MCQ-Based Questions for class 11 Geography chapter-Movements of ocean water

This page consists of Important MCQ questions from the chapter Movements of ocean water uploaded as per the CBSE syllabus and consists of a detailed explanation. Questions are prepared from the entire chapter-Movements of ocean water to give you effective revision. 

Find below MCQ-Based Questions for class 11 Geography chapter-Movements of ocean water

Important MCQ-based questions Geography class 11 chapter-Movements of ocean water Set-A

Geography - MCQ on Movements of ocean water

Class XI

Q.1.Which one of the following factors affect the origin and movement of currents.

a) Gravitational force

b) Salinity and density of water

c) Direction and shape of the coast

d) All the above

Answer:

(d) All the above

Q.2. The Thermodynamics of the ocean are:

a) Currents

b) Waves

c) Tides

d) Salinity

Answer:

(d) Salinity

Q.3. Psunamis are waves caused due to:

a) Gravitational pull of the sun

b) Gravitational pull of the moon

c) Due to winds

d) Due to earthquake in the water

Answer:

(d) Due to earthquake in the water

Q.4. wave crest and trough refers to:

a) Wave size

b) Wave length

c) The highest and lowest points of a wave

d) Wave speed

Answer:

(c) The highest and lowest points of a wave

Q.5. Wave amplitude is:

a) The height of the wave

b) The breadth of the wave

c) ½ of the wave height

d) It is the time interval between two successive waves

Answer:

(c) ½ of the wave height

Q.6. Wave speed is measured in:

a) Kilometers

b) Knots

c) Miles

d) Shots

Answer:

(b) Knots

Q.7. Movement of waters caused by meteorological effects (wind, pressure etc.) are called:

a) Waves

b) Currents

c) Tides

d) Surges

Answer:

(d) Surges

Q.8. When the tide is channeled between islands or into bays and estuaries they are called:

a) Tides

b) Tidal currents

c) Spring tides

d) Neap tides

Answer:

(b) Tidal currents

Q.9. In Perigee:

a) Low tides occur

b) High tides occur

c) No tide occur

d) None

Answer:

(b) High tides occur

Q.10. Tides are used to generate:

a) Gravity

b) Energy

c) Minerals

d) None

Answer:

(b) Energy

Q.11. Factors which are responsible for the generation of currents are:

a) Wind

b) Gravity

c) Coriolis-force

d) Precipitation

Answer:

(d) Precipitation

Q.12. The large accumulations of water and the flow around them are called:

a) Gysers

b) Gyers

c) Currents

d) Eddies

Answer:

(b) Gyers

Q.13. The surface currents constitute about:

a) 15 per cent

b) 10 per cent

c) 8 per cent

d) 20 per cent

Answer:

(b) 10 per cent

Explanation: - rest of 90%

Q.14. Labrador current is found in :

a) Atlantic ocean

b) Indian Ocean

c) Pacific ocean

d) Arctic ocean

Answer:

(a) Atlantic ocean

Q.15.Kuroshio current is a current of :

a) Atlantic ocean

b) Pacific ocean

c) Indian ocean

d) None

Answer:

(b) Pacific Ocean

Q.16. Brazilian current is an important current of:

a) Indian Ocean

b) Atlantic Ocean

c) Pacific Ocean

d) None

Answer:

(b) Atlantic Ocean

Q.17. Which one of the following is not a current of Indian Ocean:

a) The west wind drift

b) Agulhas current

c) Mozambique

d) Benguela current

Answer:

(d) Benguela current

Explanation: - It is a current of Atlantic Ocean.

Q.18. Which one of the following is not a current of Atlantic:

a) Canary current

b) Gulf stream

c) Brazil current

d) Alaska current

Answer:

(d) Alaska current

Explanation: - It is a cool current of Pacific Ocean.

Q.19. Which one of the following current is wrongly matched with its ocean of origin:

a) Brazil current – Atlantic

b) Kuroshio current – Pacific

c) West wind drift – Indian Ocean

d) Benguela current – Pacific

Answer:

(d) Benguela current – Pacific

Q.20. The dense fog in Newfoundland is due to:

a) Intermixing of Labrador current and Gulf stream

b) Due condensation on salt nuclei present in the air due to ocean

c) Up welling of waters.

d) None

Answer:

(a) intermixing of Labrador Current and Gulf Stream

Q.21. Great barrier reef is in the:

a) Antarctic ocean

b) Australia

c) Austria

d) Amsterdam

Answer:

(b) Australia

Q.22. Corals are made by the:

a) Dead shells of calcium containing organisms

b) Dead shells of silica containing organisms

c) Accumulation of sediments

d) Organic remains of plants and animals

Answer:

(a) Dead shells of calcium containing organisms

Q.23. Coral are mainly confined to the seas and oceans of:

a) Higher latitudes

b) Mid – latitudes

c) Lower latitudes

d) Tropics

Answer:

(b) Mid – latitudes

Q.24. The shape of which of the following oceans is resemble the Engpsh letter ‘S’:

a) Indian Ocean

b) Pacific Ocean

c) Baltic

d) Atlantic Ocean

Answer:

(d) Atlantic Ocean

Q.25. Which one of the following repef features are the best areas for fishing:

a) Continental slope

b) Continental shelf

c) Abyssal plains

d) None

Answer:

(b) Continental shelf

Important MCQ-based questions Geography class 11 chapter-Movements of ocean water Set-B

Q.1 Why does a wave slow down when it reaches the beach?

a. Due to friction

b. Due to velocity

c. Due to gravity

d. None of the above

Answer:

(a)

Explanation. The friction is occurring between the dynamic water and the sea floor.

Q.2 When the tide is channeled between islands or into bays and estuaries they are called:

a. tidal bulge

b. tide generation

c. tidal currents

d. tidal force

Answer:

(c)

Explanation. The shape of the bays and estuaries along a coastpne can magnify the intensity of tides.

Q.3 Deep water currents constitute ----- of ocean water.

a. 10%

b. 45%

c. 80%

d. 90%

Answer:

(d)

Explanation. The ocean currents are of two types-surface currents and deep water currents.