Ocean
1. Consider
the following statements about coral reef:
1. Fresh water is harmful for its growth.
2. For its growth the salinity should be 21 to
27 %
3. The currents of the oceans are not
destructive for coral growth.
Which
of the following statements is\ are corrective?
(a) 1 Only (b) 2 Only
(c) 1 & 2 (d) All of these
2. Most
warm ocean current flow
(a) On the eastern sides of continents.
(b) In tropical seas.
(c) Towards the equator.
(d) Towards the high latitudes.
3. Consider
the following?
1. Calcareous coze forms mainly shells of
amoeba
2. Evapoites an important group of biogenous
deposits.
Which
of statements is\are correct?
(a) 1 Only (b) 2 Only
(c) Both 1 & 2 (d) Neither 1 nor 2
4. Which
one of the following statements is not correct?
(a) Sunda Trench ties to the south of equator.
(b) Rampo Trench lies in the south Pacitic Ocean
(c) Swire Trench lies in northwest Pacific Ocean
(d) Tizard Trench lies in the south Atlantic
Ocean
5. The
Widest continental shelf is found in the:
(a) Atalantic Ocean (b) Indian Ocean
(c) Arctic Ocean (d) Pacific Ocean
6. Which
one of the following has the least numer of corol formations?
(a) North Pacific Ocean (b) North Atlantic Ocean
(c) South Pacific Ocean (d) South Atlantic Ocean
7. Consider
the following statements:
1. 80% Abyssal Hills
2. Numerous trenches most of there run parallel
to islands arcs.
3. Albatross plateau is found
These
statements are about?
(a) Atlantic Ocean (b) Indian Ocean
(c) Pacific Ocean (d) Arctic Ocean
8. Which
of plays the most important part in the development of ocean current system?
(a) Differences in salinity part.
(b) Differences in temperature of the water.
(c) Rotation of the earth.
(d) Planetary wind Systems
9. Consider
the following conditions:
1. Low precipitation with high evaporation.
2. High precipitation with low evaporation.
3. Anticyclone conditions with static air and
high temperature.
High
salinity of Ocean waters is associated with:
(a) 1 & 2 (b) 2 & 3
(c) 1 & 3 (d) All of these
10. Mangrove
vegetation does not grow along the:
(a)
Brazilian coast (b) Chile coast
(c) Malaysian coast (d) Guinea coast
11. The
Elnino which influenced the Indian mansoon is:
(a) A warm ocean current that flows west-words
along the coast of Ecuador
and Peru
(b) A cold current that flows north-wards along
the coast of circle.
(c) A low Pressure system over western coast of spain.
(d) None of above.
12. Which
one of following pairs not correctly matched?
(a) Marriana tranch : West-Pacific Ocean
(b) Sunda trench : West Pacific Ocean
(c) Pureto Rico trench : Atlantic
Ocean
(d) Carlsberg ridge : Arabic sea
13. The accumulation of water in the western part
of the Atlantic ocean by the equatorial current is compensated by the:
(a) Counter Equtorial current
(b) High rate of evaporation
(c) Inking of surface current
(d) Upwelling of water the eastern part of the
oceans.
14. Which
one of the following pairs not correctly matched?
Theories\Hypothesis
(a) Tetrahedral hypothesis- Origin of continents
and ocean basins.
(b) Stationary wave Theory – Origin of Tides
(c) Subsidence Theory – Origin of Coral reefs and
atolls.
(d) Geosynclinal Theory- Origion Oceans
15. Consider
the following statements?
1. Siliceous
ooze predominates at greater depths and in colder polar regions:
2. Diatom ooze is most common in the Antarctic.
Which
of statements is correct?
(a) 1 Only (b) 2 Only
(c) Both 1 & 2 (d) Neither 1 nor 2
16. Which
one of the following the percent of Ocean Areas is Highest?
(a) Continental shelves (b) Continental slope
(c) Continental Rise (d) Deep-Ocean floor
17. Which
is the correct sequence of the salarity of following Gulf\sea?
(a) Persian Gulf > Red Sea > Mediterranean
Sea > Andaman Sea
(b) Red Sea > Persian Gulf
> Maditeranean > Andaman sea
(c) Mediteranean > Red sea > Persian Gulf > Andaman sea
(d) Maditarranean > Persian Gulf > Andman
sea > Red sea
18. Consider
the following?
1. The territorial water extends upto 12
nantical miles from the shore.
2. The Exclusive Economical Zone (EEZ) extends
up to 200 nautical miles.
3. The outside of the EEZ is the “High – Sea”.
Which
of the above statements are correct?
(a) 1 & 2 (b) 2 & 3
(c) 1 & 3 (d) All of these
19. Which
one of following is not correct?
(a) Irminger current is warm current.
(b) The
range of temperature of Ocean water is more than the range of temperature on
the continents.
(c) In some areas of Oceans there is inversion of
temperature
(d) The
range of temperature is lesser in the southern Hemisphere than in the Northern
Hemisphere.
20. The
Northern-half of the mid-Atlantic ridge is known as:
(a) Dolphin Ridge (b) Challenger Ridge
(c) Telegraph Plateau (d) Labour Ridge
21. Which one of the following sequence correctly
represents the percentage of given salts in sea-Water in decreasing Order?
(a) Magnesium-chloride, Sodium-chloride,
Magnesium Sulphate and Calcium Sulphate.
(b) Sodium-chloride, Magnesium Sulphate ,
Magnisium chloride and Calcium- Sulphate
(c) Sodium chloride, Magnisium chloride,
Magnisium Sulphate and Calcium Sulphate
(d) Magnesium Sulphate, Magnesium Chloride,
Calcium Sulphate, Sodium chloride.
22. Which
one of the following region Leeuwin current flows:
(a) North East Pacific Ocean.
(b) Indian Ocean
(c) West coast of Australia
(d) North Atlantic Ocean
23. Which
one of the pairs not correctly matched?
Biozone Depth
(a) Epipelagic 200m
(b) Bathepelagic 1000-4000m
(c) Meropelagic Less
4000m
(d) Abysspelagic More
than 1000m
24. Which
is the correct sequence of Oceanic trench in the decreasing order of Depth?
(a) Kuril-Kermedac-Yap-Aleutian (b) Kermedac-Kuril-Yap-Aleutian
(c) Aleutian-Kuril-Kermedac-Yap (d) Yap-Aleutian-Kril-Kermedac
25. Which
one of the following is not correct about the Oceanic Ridge?
(a) It is a Broad, fractured swell generally more
tha 150 km wide.
(b) Its area is almost equivalent to the area of
continents.
(c) It covers about 40 percent of the Earth’s
Surface.
(d) Its Total Length is more than 64000 Km
26. Which
one of the following is not correct about the Guyots?
(a) The Ocean floor is dotted with thousands of
Guyots.
(b) They may be above or below he sea-Level.
(c) Their Slope is relatively steep.
(d) Seamounts are circular or elliptical I shape.
27. Which
is not volcanic island?
(a) Azores (b) Ascenssian
(c) Tristain-De-Kuna (d) Fiji
28. Which
one of the following statements is not correct?
(a) Density of water increase with increasing
depth in thermoline.
(b) The thermocline is also known as Pycnocline.
(c) The thermocline contains about 25% of the
Ocean’s water.
(d) The depth of thermocline in up to 1000m.
29. The layer of water in the Ocean’s and lakes
that separate the warmer surface layer from the deeper colder layer is called?
(a) Epilimnion (b) Hypolimnion
(c) Hypothermia (d) Thermocline
30. Radiolarian oozes occurs in the depth of?
(a) 600
to 1200 fathoms
(b) 2000
to 5000 Fathoms
(c) 5000
to 6000 Fathoms
(d) 1500
to 2000 Fathoms
31. Consider the following?
1. Continental
shelves are wider where high mountains are very close and parallel to the
coast.
2. Continental
shelves are formed by prolonged deposition of detritus under sea water in those
areas where sea condition are calm.
Which of the statements is\are correct?
(a) 1
Only (b) 2 Only
(c) Both
1 & 2 (c) Neithe 1 nor 2
32. Consider the following statements:
The Horizontal distribution of
temperature of Ocean water is largly affected by:
1. Ocean
currents.
2. Depth
of water in the Ocean
3. Prevailing
winds.
4. Latitude
Which of these are correct?
(a) 1,
2 & 3 (b) 1, 2 & 4
(c) 2,
3, &4 (d) 1, 2 & 4
33. Which one of the following is not a factor
modifying Ocean currents?
(a) Tidal
wave in the Ocean.
(b) Seaaonal
Variations in Winds.
(c) Direction
and shape of the coastline
(d) Bottom
Topography.
34. Consider the following?
1. The
temperature in the southern Hemisphere is considerably lower than that in the
Northern Hemisphere.
2. The
Large Mass of ice-covered Antarctic Continent is an important soure of cold in
the south.
Which of statements is\are correct?
(a) 1
Only (b) 2 Only
(c) Both
1 & 2 (d) Neither 1 nor 2
35. Which of the following Zone found in lowest
portion of Ocean?
(a) Abyssopelagic (b) Bathypelagic
(c) Hadalpelagic (d) None of these
36 Consider the following?
1. Globegerina
is siliceous ooze.
2. Red
clay is organic deposits
3. Foraminifora
is Siliceous ooze.
Which of above statements ae correct?
(a) 1
& 2 (b) 2 & 3
(c) 1
& 3 (d) None of these
37. Consider the following statement about EINino?
1. Before
coming ELNino rise in surface pressure order the Indian Ocean, Indonesia and Australia.
2. Warm
air rises near Peru,
causing rain in northern Peruvian deserts.
Which of the following statement is\are
correct?
(a) 1
Only (b) 2 Only
(c) Both
1 & 2 (d) Neither 1 nor 2
38. Which Tides occurs during the full moon and
new moon?
(a) Neap
Tides (b) Sprig Tides
(c) Semi
diureal Neap Tide (d) Low Tides
39. Which of the following Ridge divides the Arabian Sea into two parts?
(a) Carlsberg (b) Seychelles
(c) Madagasear (d) Prince Edward crozet
40. The time it takes for the crest (or troughs)
of two successive waves to pass a given point is known as the?
(a) Wave
Length (b) Wave Frequency
(c) Wave
Period (d) Wave Time
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