TNPSC/TNTET Geography Study materials Questions and Answers

This Study materials was prepared by using Samacheer kalvi all standard books(6th std to 10th std). In this page we provide all subject's questions and answers like as English, Maths Physics, Chemistry, Biology, History, Civics, and Geography.

So These questions and answers are helpful to the candidates who will attend tamilnadu conducting Competitive examinations test Such as (Tamil Nadu Public Service Commission)TNPSC Group 1,2,3,4,5,6,7,7b,8 & (Tamil Nadu Teachers Eligibility Test)TRB TNTET, Postal department,tnpsc vao(Village administrative officer) Exam, (Tamil Nadu Uniformed Services Recruitment Board)TNUSRB Police Constable/Jail Warden/Fire Men/Sub Inspectors Exams, Bank Exams-2014, etc.,

Below given Important Geography questions and answers for Competitive examinations.

1.What is the solar system?
Solar family consists of the Sun, its eight planets,the satellites like the moon that revolve around the plants,dwarf planets, thousands of asteroids, meteoroids andcomets. This is called the solar system.

2.How many planets is in Solar sytem?
The solar system has eight Planets.

3.List out the Eight planet?
Mercury, Venus, Earth, Mars,Jupiter, Saturn, Uranus, Neptune

4.list out the Solid Planets?
Mercury, Venus, Earth, Mars are Called as Solid Planets.

5.List out the Gaseous planets?
Jupiter, Saturn, Uranus and Neptune are gaseous planets.

6.Which planet is head of the solar system?
The sun is the head of the solar system. It is the center of solar system.

7.Which planets have the ring?
Saturn, Jupiter, Uranus, Neptune.

8.List out the Dwarf Planets?
Pluto, Charon, Ceres, Eris were newly grouped as ‘Dwarf planets’ in the year 2006.

9.Give the duration of revolution and Rotation of the Mercury planet around the sun?
Duration of revolution is 87.97 days and Duration of rotation is 58.6 days

10. How far is Mercury from the sun?
5.79 Crore KM.

11.Give the duration of revolution and Rotation of the Venus planet around the sun?
Duration of revolution is 224.7 days and Duration of rotation is 243 days

12.How far is Venus from the sun?
10.82 Crore Km

13.Give the duration of revolution and Rotation of the Earth planet around the sun?
Duration of revolution is 365 1/4 days and Duration of rotation is 23 hours 56 mins

14.How far is Earth from the sun?
15 crore Km

15.Give the duration of revolution and Rotation of the Mars planet around the sun?
Duration of revolution is 687 days and Duration of rotation is 24 hours 37 mins

16.How far is Mars from the sun?
22.79 Crore km.

17.Give the duration of revolution and Rotation of the Jupiter planet around the sun?
Duration of revolution is 11 years 9 months and Duration of rotation is 9 hours 55 mins

18.How far is Jupiter from the sun?
77.83 Crore Km

19.Give the duration of revolution and Rotation of the Saturn planet around the sun?
Duration of revolution is 29 years 5 months and Duration of rotation is 10 hours 40 mins.

20.How far is Saturn from the sun?
142.7 Crore Km

21.Give the duration of revolution and Rotation of the Uranus planet around the sun?
Duration of revolution is 84 years and Duration of rotation is 17 hours 39 mins.

22.How far is Uranus from the sun?
287.1 Crore Km

23.Give the duration of revolution and Rotation of the Neptune planet around the sun?
Duration of revolution is 164 years 9 months and Duration of rotation is 16 hours.

24.How far is Neptune from the sun?
449.7 Crore Km

25.how many satellites does Earth have?
1
26.how many satellites does Mars have?
2
27.how many satellites does Jupiter have?
63
28.how many satellites does Saturn have?
60
29.how many satellites does Uranus have?
27
30.how many satellites does Neptune have?
13
31.Is the moon is planet?
No, The moon does not revolve around the sun it revolves around the earth . Hence it is called a satellite.
32.how far is moon from earth?
384,400 Km.
33.What is mean by Meteoroids?
The sudden streaks of light seen on a starry night is called as Meteoroids.
34.What is Milky way galaxy?
Milky way galaxy is a  dense cluster of stars
35.Explain Universe?
Million of constellations of stars seen in the sky is called galaxy. Thousands of galaxies from the universe. The universe is vast and ever expanding.
36.why we live on earth?
Land, Water, air and heat are available in the optimum level only on earth.

37.What is mean by Continents?
Large land masses are called continents.

38.list out the continents in the world?
There are seven continents like Asia, Europe, North America, South America, Africa, Australia and Antarctica.

39.where is located Gobi desert and Himalaya mountains?
The cold Gobi desert and Himalaya Mountains are located in this continent.

40. Explain about Africa continent?
It is the Second largest continent in the world.

41.where is the Nile river located in the world?
Nile river located on Africa continent.

42.where is the Sahara desert located in the world?
Sahara desert located on Africa continent.

43.Explain about North America?
This continent is Surrounded by the Arctic ocean, Atlantic ocean and pacific Ocean.
44.Explain about south America?
This continent lies almost entirely in the southern hemisphere. The Andes, the world’s longest mountain range and River Amazon the world’s largest river is
situated in this continent.

45.How long is the amazon river?
The length of Amazon river is 6,586 Kms.

46.Explain about Europe Continent?
This Continent lies to the west of Asia.

47.Where is located Alps Mountain?
The Alps mountain range is situated in Europe continent.

48.Explain about Australia Continent?
Australia is referred to as ‘Island Continent’, Because it is surrounded by oceans an all the four sides.
49.Explain about Antarctica Continent?
This continent is situated in the South pole and is entirely covered with snow.
50.Explain about island continent?
A piece of land surrounded by water on all sides is called an island.
51.where is sri lanka situated?
Srilanka is situated in island.
52.what is ocean?
71% of the earth’s surface is covered by water. A large stretch of water covering covering a huge area is called an Ocean.
53.Name of the Oceans in the world?
There are five Oceans in the world. Pacific Ocean, Atlantic Ocean, Indian Ocean, Antarctic Ocean, Arctic ocean
54.Explain pacific Ocean?
It is the deepest Ocean in the world. The volcanic mountains surrounding the pacific Ocean are called the Pacific Ring of file.
55.Explain Atlantic Ocean?
It is the second largest ocean in the world.
56.Explain Indian Ocean?
It is the Third Largest ocean in the world. India receives rainfall from the monsoons which originate in this ocean.
57.Explain Antarctic Ocean?
The Ocean surrounding the continent of Antarctica is called the southern ocean or Antarctic Ocean.
58.What is Lithosphere?
The solid portion of the earth on which we live is called the Lithosphere.
59.What is Hydrosphere?
Surface and this area is called Hydrosphere.
60.What is Biosphere?
The zone in which living organisms exist is called as Biosphere.
61.what is meant by big bang?
Many experts had brought out theories on the formation of Earth and other planets. Among them, “Big Bang” theory is the most accepted one. It proposes that the universe was once extremely compact, dense not hot.
62.what is the meaning of pangea?
A few million years ago, all the present continents were clustered together around the South pole.This Super Continent was called Pangaea.
63.who is the first scientist to theorize about the structure of the world?
Isaac Newton was one of the first scientist to theorize about the structure of the world.
64.What is Mean by Crust or lithosphere?
The uppermost layer of the earth’s surface is called the “Crust or lithosphere”.
65.What is meant by Sial?
The Continental crust is composed of a layer called the “SIAL” which is made up of Silica and Aluminum.
66.What is meant by SIMA?
The Oceanic crust is composed of basaltic layer called the “SIMA”.
67.What is the meaning of Core or Barysphere?
The inner most layer of the earth is called the Core or Barysphere.It is otherwise know as NIFE. Because of the presence of Nickel and Ferrous(iron).
68.what is the temperature of the center of the earth?
The temperature is estimated at the center of the Earth to be as high as 5000 Degree Celsius.
68.where is tethys sea located?
The tethys sea was a shallow sea between the Angara and Gondwana land.
69.what is meant by fault?
The vertical movement leads to either uplift or subsidence of the earth’s crust, along lines of weaknesses which are called FAULTS.
70.what is orogenic movements?
Large scale horizontal movements are called orogenic movements.They are responsible for the formation of fold mountains of the world.
71.what is the reason of earthquake?
An earthquake is a sudden shake or tremble of a part of the earth’s crust which results in tremors or vibrations.
72.What are the types of earthquake?
They are classified as volcanic earthquake and tectonic earthquakes.
73.what is the meaning of focus and epicenter?
The point of origin of the earthquake is called the “Focus” and the Point directly above the focus on the surface is called the  “Epicentre”.
74.how many earthquakes occur every year around the world?
There are annually 8,000 – 10,000 earthquakes occuring in the world.
75.what is the purpose of richter scale?
The richter scale is used to measure the indensity of an earthquake . Its scale ranges from 0 to 9.
76.Types of earthquake waves?
There are two types of waves are Body waves and surface waves.
77.What is volcanoes?
A valcano is a vent or opening on the earth’s crust, through which hot molten materials erupt from the interior.
78.what is lava?
When the magma erupts out of the earth on to the surface, it is called LAVA.
79.list the types of volcanoes?
volcanoes classifieds into three types based on the frequency of eruption. They are Active volcanoes, Dormant volcanoes, Extinct volcanoes.
80.what is meant by active volcano?
Eruptions occur at frequent intervals. Most of the active volcanoes are found along the mid-Atlandic oceanic ridges.
81.What is meant by Dormant Volcanoes?
They are also called sleeping Volcanoes. These volconoes have been active in the past, stopped ejecting lava now, but it may erupt in the future.
82.What is meant by Extinct Volconoes?
Extinct Volconoes are also called dead Volconoes. They would have erupted in the past but have stopped erupting now.Mt Kilimanjaro in africa.
83.What is Crater lake?
The crater of a volcano filled with water is known as Crater lake.
84.Why the government of India banned the tanneries around taj mahal?
Acid rain caused by these industries which affects the marble stones of this wonder of the world.
85.What is meant by river capture?
This is also known as the river piracy or river beheading . Its development is depended on the different rates of headward erosion into a divide.
86.What is meant by River Cliffs?
When the river water enters the bend of the river, it dashes straight and erodes the outerbank into a steep river cliff.
87.What is meant by floodplain?
River in its lower course has large quantity of sediments.
88.What is meant by Delta?
When the river reaches the sea, fine materials are deposited at its mouth.
89.What is meant by Caves?
Prolonged wave attack, on the base of a cliff, excavates holes called caves.
90.What is meant by Arch?
When two caves approch one another arch is formed.
91.which river is the longest in north america?
The mississipi river is the largest river system in North America.
92.which river is the Largest river of india Subcontinent?
The Ganges is the largest river of the indian Subcontinent .
93.which river is the national river of india?
The Ganges is the national river of India.

94.which is first longest beach in the world?
World’s longest beach is the Miami in the USA.

95.which is the second longest beach in the world?
World’s second largest beach is the Marina beach in Chennai.

96.What is Wind?
Wind is a predominant agent of denudation in arid and semi arid regions, because of scarce rainfall and spares vegetation.

97.What is Meant by Barchan?
These are Cresent Shaped dunes.

98.What is meant by rock pedestals?
The prolonged erosion carves the pillar to resemble like a mushroom. They are also called rock pedestals.

99. What is meant by Inselergs?
These are isolated residual hills rising abruptly from the level ground.

100.What is meant by Drumlins?
They are the deposits of clay and resembles like a half buried egg.