WEBSITE AND DATABASE FOR SALE

Unfortunately, Mr. M. Subramanian, who maintained this website lost his battle to cancer and passed away in July, 2019. The database has over 50,000 questions. If you are interested in purchasing the website/database, please reach out using the form here.
Khub.info Learn TNPSC exam and online pratice

OCEANS AND SEAS

Q1. What are the Oceans and seas?


Oceans - 1.Pacific  2. Atlantic  3. Indian 4.Arctic and 5. Southern.

Seas - 1. Arabian  2. Black  3. Red  4. South China  5. White  6.Dead  7. Baltic  8. Caspian  9. Coral  10. Caribbean  11. Mediterranean  12. Bering  13. Bay of Bengal  14. Sea of Okhotsk  15. Gulf of Mexico  16. Gulf of Guinea  17. Barents  18. Norwegian  19. Gulf of Alaska  20. Hudson Bay  21. Greenland  22. Arafura  23. Philippine  24. Japan  25. East Siberian and  26. Kara sea.

OCEANS AND SEAS

Q2. Which is the largest of the Oceans?
Pacific - Covering 45.7% of the ocean are and 35% of the earth's surface. It is spread over 155557000 SQKM.
Q3. Which is the latest and the smallest of the oceans to be defined so?
Arctic 
Q4. What are Seas?
Large body of saline water extant forming part of the oceans.
Q5. Which is the largest of the Seas?
Philippine sea 
Q6. Arrange the Oceans in their order of covered areas?
Pacific Ocean - 18,13,00,000 SQKM Atlantic Ocean - 8,22,17,000 " Indian Ocean - 7,34,26,000 ' Arctic Ocean - 1,39,86,000 "
Q7. Arrange the top ten Seas in their order of area covered and also their location?

1.Philippine Sea: 5177762 SQKM - East and North of the Philippines. 

2.Coral Sea :4791000 SQKM - North East Coast of Australia.

3.Arabian Sea: 3862000 SQKM - Western coast of Indian Peninsula.

4.South China Sea: 3500000 SQKM - encompassing an area from Singapore and Malacca Straits to the Straits of Taiwan.

5.Weddell Sea: 2800000 SQKM - part of the Southern Ocean near Antarctic.

6.Caribbean Sea:2754000 SQKM - part of the Atlantic Ocean between Mexico and Central America covering most of the Caribbean islands.

7.Mediterranean Sea: 2500000 SQKM - Connected to the Atlantic Ocean surrounded by the Mediterranean region and almost completely surrounded by land - on the north by Anatolia and Europe, on the South by North Africa and on the east by the Levant.

8. Tasman Sea: 2330000 SQKM - Between Australia and New Zealand.

9. Bering Sea: 2260100 SQKM - Part of the Pacific Ocean. 10.Bay of Bengal: 2172000 SQKM - On the eastern Coast of Indian Peninsula. Largest Bay in the world.

Q8. Which country has the longest coastline?
Canada - 265523 Kms.
Q9. What is India's total coastline length?
7517 Kms.
Q10. Which is the smallest of the seas?
Baltic Sea.
Q11. Who discovered the Pacific Ocean?
Vasco Nunez De Balboa, Spanish Explorer.
Q12. Which sea is also called the Salt Lake?
Caspian Sea - being the most salty.
Q13. Which is the deepest ocean?
Pacific Ocean (Mariana Trench, Philippines)
Q14. Which sea shore is the lowest point of Earth?
Dead Sea - Israel Jordan border.
Q15. What is Mean Sea Level?
The average level of sea or the standard level used to calculate the height of a place.
Q16. Which place's sea level is taken into consideration for deciding the height of other places on land?
Liverpool, UK.
Q17. Which ocean is known as "Herring Pond"?
Atlantic Ocean.
Q18. Which state of India has the longest coast line?
Gujarat - 1666 Kms.
Q19. What are ocean currents?
Streams of water crossing the ocean in the direction of prevailing wind.
Q20. What are the general types of ocean currents?
WARM: Flow from warm to cold regions. COLD:flow from cold to warm.
Q21. What is the name of the current in the Indian Ocean?
Agulhas Current.
Q22. What is the influence of ocean currents?
Oceana currents influence the climate of the regions as they pass along.
Q23. What are the various names of currents?

Bengeula - African Coast.

Arctic - Arctic Ocean.

Cold Labrador - Greenland shores.

Peruvian - Pacific ocean.

Kurusiwo - East coast of Australia.

Black/Japani - East coast of Asia.

Q24. What is a tide?
Movement of water with a rise and fall, in its plain or level is called so.
Q25. What is a High tide?
When the water level in a tide rises, it is called so.
Q26. How is the fall of water in a tide called?
Ebb or Low.
Q27. What makes the tide to occur?
It is the result of the gravitational pull of Earth which retains the water on the surface, while the gravitational pull of the moon and Sun, draws the water upwards. The process continues.
Q28. What is a spring tide?
The tide occurring by the gravitational pull of the Earth, Sun and the Moon is called so.
Q29. What is a Neap Tide?
The Moon and the Sun, lying at right angles to the Earth, and pulling in opposite directions, the tide rising out of this action is called so.
Q30. What is a Tidal Wave?
The terms used for waves of exceptional sizes, although they have no connection with tides. The waves produced by the earthquakes and hurricanes are also referred to as such.
Q31. What happens to the tide during New or Full Moon?
Rises to the maximum due to gravitation of Sun, and Moon cooperating.
Q32. What measures the height of waves?
Wave Height Scale with 0 to 9 numbers in it, each number having a range of height assigned to it.
Q33. Based on the height, how the waves are classified?
CODE DESCRIPTION HEIGHT RANGE/METER
 O  Glassy  O
 1.  Calm  O - .30 meter.
 2.  Rippled  O.30 meter to 0.60 meter.
 3.  Choppy  O.60 to 1.2 meters.
 4.  Very Choppy  1.2 to 2.4 meters.
 5.  Rough  2.4 to 4 meters.
 6.  Very Rough  4 to 6 meters.
 7.  High  6 to 9 meters
 8.  Very High  9 to 14 meters.
 9.  Ultra High  14 meters and above.
Q34. What is a nautical mile?
A unit of length used in sea (and air navigation). An international unit is equal to 1852 meters. In this sense, it is also called an air mile.
Q35. What is a long shore drift?
Process by which sediments such as sand move along a beach shore.
Q36. What was the biggest ever recorded wave?
1720 feet, in 1985 in Alaska after an earthquake.
Q37. Which sea is known as the "Ditch"?
Tasman Sea.
Q38. Which Sea is also called as "Ocean of Desert"?
Sargossa Sea.