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Tamilnadu 6th Standard Social Science T3 - குடிமையியல் - உள்ளாட்சி அமைப்பு - ஊரகமும் நகர்ப்புறமும் Important Questions And Answers Study Material - QB365 Set B

Published on: 02/08/2018
Some of the important questions from the chapter The Universe And Solar System covered in this question paper. The questions are prepared from the book back and PTA question.
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Download Tamil Nadu 6th Standard Social Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Social Science Test

1.
The solar system is believed to have formed about ___________billion years ago
3
4.5
3.5
5
2.
Which of the following planets can float on water?
Jupiter
Saturn
Uranus
Neptune
3.
The only celestial body where man has successfully landed
Mars
Moon
Mercury
Venus
4.
The galaxy in which our solar system is found is
Andromeda
Magellanic clouds
Milky Way
Starburst
5.
The Tropic of Capricorn faces the Sun directly on
March 21
June 21
September 23
December 22
6.
The movement of the Earth on its axis is called
Revolution
Seasons
Rotation
Circulation
7.
The distance between the Sun and the Earth is about___________
8.
The planet ________ is called Earth's twin
9.
The smallest planet is____________
10.
The four planets nearer to the Sun are called __________ Planets
11.
There are ___________ planets in the solar system
12.
The word planet means ___________ .
13.
_______________ is the centre of the solar system.
14.
The velocity of Earth’s rotation is zero at poles.
15.
The surface of the moon has many craters.
16.
Why is Uranus called as the somersaulting planet?
17.
Explain the characteristics of the various spheres of the Earth.
18.
What are the effects of rotation and revolution?
19.
Distinguish between inner and outer planets.
20.
Statement I: Earth is called a watery planet.
Statement II: The rotation of the Earth causes seasons.
Which of the statement(s) is/are true?
i) I is true; II is wrong
ii) I is wrong, II is true
iii) Both the statements are true
iv) Statements I and II are wrong
I is true; II is wrong
I is wrong; II is true
Both the statements are true
Statements I and II are wrong.
21.
1. Venus rotates from east to west.
2. The Tropic of Cancer faces the Sun on June 21.
3. Mars has rings around it.
i) 1 and 2
ii) 2 and 3
iii) 1, 2 and 3
iv) 2 only
1 and 2
2 and 3
1,2 and 3
2 only
1.
(b)
4.5
2.
(b)
Saturn
3.
(b)
Moon
4.
(c)
Milky Way
5.
(d)
December 22
6.
(c)
Rotation
7.
( )
150 Million kilometers
8.
( )
Venus
9.
( )
Mercury
10.
( )
Inner or Terrestrial
11.
( )
eight
12.
( )
Wanderer
13.
( )
Sun
14.
The statement is true, because, at the poles the distance around the earth is zero, and zero divided by 24 hours result in a speed is zero.
\(\therefore \text { Velocity }=\frac{\text { Distance }(0)}{\text { Time }(24)}=\frac{0}{24}=0\)
15.
(i) The moon has no atmosphere.
(ii) The surface of the moon is characterized by craters created by the impact of meteors.
16.
(i) Uranus is called as the somersaulting planet.
(ii) Because its axis is tilted so much that, it appears to orbit the sun on its sides like a rolling ball.
17.
(i) The earth is the most suitable planet to support life.
(ii) It has thrge major components that we call as the realms of the Earth lithosphere, hydrosphere and atmosphere.
Lithosphere:
(i) The lithosphere is the land on which we live.
(ii) It is the solid outer layer of the earth consisting of rocks and soils.
Hydrosphere:
(i) The hydrosphere consists of water bodies such as oceans, seas, rivers, lakes, ice caps.on mountains and water vapour in the atmosphere.
Atmosphere:
(i) Atmosphere is the envelope of air that surrounds the earth.
(ii) Different types of gases make up the atmosphere.
(iii) The major gases are Nitrogen 78% and Oxygen 21%.
(iv) The other gases like Carbon dioxide, Hydrogen, Helium, Argon and Ozone are present in meager amounts.
Biosphere:
(i) The narrow belt of interaction among the lithosphere, the hydrosphere and the atmosphere, where life exists is known as biosphere.
(ii) Bio means life in Greek.
(iii) It consists of distinct zones.
(iv) Each zone has its own climate, plant and animal life.
(iv) These zones are known as ecosystems.
18.
Rotation:
(i) It is the spinning movement of the earth on its axis.
(ii) The rotation of the earth causes day and night.
(iii) As the earth is spherical in shape, only one half of it is illuminated by the sun at a time.
(iv) The other half remains dark.
(v) The illuminated portion of the earth experiences day, whereas the darkened part of the earth experiences night.
Revolution:
(i) It is the movement of the earth around the sun on its elliptical path.
(ii) The inclination of the earth on its axis and its revolution around the sun cause different seasons.
19.
| S.No | Inner planets | Outer planets |
| 1 | The four planets nearer to the sun are called Inner or Terrestrial planets. |
The last four plangts are called as Outer planets of Jovian planets. |
| 2 | Mercury, venus, earth and mars. | Jupiter, Saturn, Uranus and Neptune. |
| 3 | The inner planets are comparatively smaller in size and are compased of rocks |
They are also called Gaseous Giants. |
| 4 | The surface of inner planets has mountains, volcanoes and craters |
An asteriod belt is found between mars and jupiter. |
20.
i) I is true, II is wrong
21.
i) 1 and 2
6th Standard Syllabus & Materials
6th Standard
Tamilnadu 6th Standard Social Science T3 - குடிமையியல் - உள்ளாட்சி அமைப்பு - ஊரகமும் நகர்ப்புறமும் Important Questions And Answers Study Material - QB365 Set A
NEW6th Standard
Tamilnadu 6th Standard Social Science T3 - குடிமையியல் - மக்களாட்சி Important Questions And Answers Study Material - QB365 Set B
NEW6th Standard
Tamilnadu 6th Standard Social Science T3 - குடிமையியல் - மக்களாட்சி Important Questions And Answers Study Material - QB365 Set A
NEW6th Standard
Tamilnadu 6th Standard Social Science T3 - புவியியல் - பேரிடரைப் புரிந்து கொள்ளுதல் Important Questions And Answers Study Material - QB365 Set B
Tamilnadu Stateboard 6th Standard Subjects
Tamilnadu Stateboard Standards