The Universe And Solar System

Samacheer Book Back Questions And Answers For Geography Standard 6 Term 1 “The Universe And Solar System”

A. Fill in the blank
1. The Universe was formed after _____ explosion.
2. _____ is the unit used to measure the distance between two celestial bodies.
3. _____ is the centre of the solar system.
4. The word planet means _____.
5. _____ planet has many natural satellites.
6. India’s first ever mission to the moon is _____.
7. Earth is inclined by _____ degrees.
8. The Equator faces the Sun directly _____on and _____.
9. The time of Perihelion, the Earth is _____ to the sun.
10. The line which divides day and night on the Earth’s surface is _____.

Answers:
1. Big Bang
2. Light year
3. Sun
4. Wanderer
5. Jupiter
6. Chandrayaan – I
7. 231/2
8. 21st March and 23rd September
9. Closest
10. Terminator Line

B. Choose the best answer
1. The movement of the Earth on its axis is called _____.
(a) Revolution
(b) Seasons
(c) Rotation
(d) Circulation

2. The Tropic of Capricorn faces the Sun directly on _____.
(a) March 21
(b) June 21
(c) September 23
(d) December 22

3. The galaxy in which our solar system found is _____.
(a) Andromeda
(b) Magellanic clouds
(c) Milky Way
(d) Starburst

4. The only celestial body where man has successfully landed _____.
(a) Mars
(b) Moon
(c) Mercury
(d) Venus

5. Which of the following planets can float on water?
(a) Jupiter
(b) Saturn
(c) Uranus
(d) Neptune

C. Circle the odd one out
1. Venus, Jupiter, Neptune, Saturn
2. Sirius, Andromeda, Milky way, Magellanic clouds
3. Pluto, Eris, Ceres, Io
4. Comet, Asteroids, Meteorites, Dwarf planets
5. Rover, Orbiter, Aeroplane, Space shuttle

Answers:
1. Venus is rocky planet other are gas gaints
2. Sirus is star and all other are Galaxys
3. Io – Because all the other three are dwarf planets but Io is an satellite of jupiter
4. Meteorites – as they fall on planets while others revolves around the star
5. Aeroplane – Passengers (or)
Rover – as it study from ground and all other from sky

D. (I) Consider the following statement
1. Venus rotates from east to west.
2. The Tropic of Cancer faces the Sun on June 21.
3. Mars has rings around it.
Choose the correct answer using the codes given below.
(a) 1 and 2
(c) 1,2 and 3
(b) 2 and 3
(d) 2 only

(II) Consider the following statements.
Statement I: Is Earth is called a watery planet,
Statement II: The rotation of the Earth causes seasons.
Which of the statement(s) is/are true?
(a) I is true; II is wrong
(b) I is wrong; II is true
(c) Both the statements are true
(d) Statements I and II are wrong.

E. Name the following
1. Cluster of stars.
2. The nearest galaxy to the solar system.
3. The brightest planet.
4. The living sphere.
5. The year which has 366 days.

Answers:
1. Galaxy
2. Magellanic clouds/Andromeda
3. Venus
4. Earth
5. Leap year

F. Match the following
1. Hottest Planet                 A. Mars
2. Ringed Planet                 B. Neptune
3. Red Planet                      C. Venus
4. Somersaulting Planet     D. Saturn
5. Coldest Planet                E. Uranus

Answers:
1. C
2. D
3. A
4. E
5. B