1. A nautical mile is equal to
a. 5060 feet
b. 5280 feet
c. 6060 feet
d. 6080 feet
2. The current produced by upwelling of cold water off the coast of chile and peru is known as
a. Canary current
b. Humboldt current
c. Agulhas current
d. el nino
3. Which one of the following is a warm ocean current
a. East Australian current
b. Benguela current
c. West Australian current
d. Peru current
4. Which of the following are cold ocean currents
a. Humbolt current
b. Brazil current
c. Oyasiwo current
d. Canary current
5. Which one among the following is responsible for the expansion of water in the ocean?
a. Carbon dioxide
b. Nitrogen dioxide
c. Carbon monoxide
d. Sulphur dioxide
6. Which one of the following is tide produced as a consequence of moon and sun pulling the earth in the same direction?
a. Spring tide
b. Neap tide
c. Equatorial tide
d. Low tide
7. Tidal range denotes the
a. Rise of sea water and its movement towards the coast
b. Fall of sea water and its movement towards the sea
c. Rise and fall of sea water due to gravitational force
d. Difference between high and low tide
8. Tides are caused by the gravitational pull of the
a. Earth on the moon
b. Earth on the sun
c. Sun and Moon on the Earth
d. Moon on the Earth
9. Which one of the following separates North and South islands of New Zealand
a. Foveaux Strait
b. Bass strait
c. Cook strait
d. Torres strait
10. The coral reefs are the marine counterparts of
a. Temperate forests
b. Tropical rain forests
c. Savannas
d. Scrubland
ANSWERS:
1. D
2. B
3. A
4. C
5. A
6. A
7. D
8. C
9. C
10. B