WBBSE Class 9 Geography And Environment Chapter 1 Earth As A Planet MCQs

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Chapter 1 Earth As A Planet Multiple Choice Questions

Question 1. The Earth’s’equatorial diameter is

  1. 12,712 km
  2. 12,745 km
  3. 12,757 km
  4. 12,500 km

Answer: 3. 12,757 km

Question 2. The Earth’s polar diameter is

  1. 12,400 km
  2. 12,714 km
  3. 12,700 km
  4. 12,720 km

Answer: 2. 12,714 km

Read and Learn Also WBBSE Class 9 Geography And Environment Multiple Choice Questions

Question 3. The Earth revolves around the Sun.” This was first stated by

  1. Galileo
  2. Copernicus
  3. Aryabhatta
  4. Varahamihir

Answer: 3 Aryabhatta

Question 4. The highest point on the surface of the Earth is

  1. Mount Everest
  2. Pamir Plateau
  3. Tibetan PJateau
  4. North Pole

Answer:1. Mount Everest

Question 5. The deepest known point on the Earth is

  1. Mariana Trench
  2. Sunda Trench
  3. St. Louis Trench
  4. South Pole

Answer: 1. Mariana Trench

Question 6. The difference between the Earth’s polar diameter and the equatorial diameter is

  1. 40 km
  2. 42 km
  3. 43 km
  4. 45 km

Answer: 3. 43 km

WBBSE Class 9 Geography And Environment Chapter 1 Earth As A Planet MCQs

Question 7. The Bedford Canal Experiment was carried out by

  1. Wallace
  2. Torricelli
  3. Foucault
  4. Galileo

Answer:1. Wallace

Question 8. The average circumference of the Earth is

  1. 40,400 km
  2. 40,075 km
  3. 40,500 km
  4. 40,200 km

Answer:2. 40,075 km

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WBBSE Class 9 Geography And Environment Notes WBBSE Class 9 History Multiple Choice Questions WBBSE Class 9 Life Science Long Answer Questions
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Question 9. In ancient times, people believed that the Earth was a

  1. Sphere
  2. An oblate spheroid
  3. Plane
  4. Square

Answer: 3. plane

Question 10. The ancient Mesopotamians believed that the Earth was

  1. Floating in space
  2. Floating on an ocean
  3. A single entity standing on its own
  4. Not floating anywhere

Answer: 2. floating on an ocean

Question 11. “The Earth is round.” This statement was first made by

  1. Plato
  2. Pythagoras
  3. Aristotle
  4. Strabo

Answer: 2. Pythagoras

Question 12. Pythagoras was a

  1. Greek philosopher
  2. Roman philosopher
  3. British philosopher
  4. Portuguese philosopher

Answer: 1. Greek philosopher

Question 13. The first empirical proof that the Earth is round was given by

  1. Pythagoras
  2. Magellan
  3. Columbus
  4. Aristotle

Answer: 2. Magellan

Question 14. An example of proof that the Earth is round is

  1. The view from the mast of a ship
  2. Travelling around the world on a ship
  3. Photographs were taken from space
  4. The view from the top of Mt. Everest

Answer: 3. Photographs taken from space

Question 15. The person to calculate the Earth’s circumference on the basis of the difference in the angle of incidence of Sun rays was

  1. Strabo
  2. Aristotle
  3. Eratosthenes
  4. Plato

Answer: 3. Eratosthenes

Question 16. The Old Bedford River is in

  1. England
  2. France
  3. Germany
  4. Italy

Answer: 1. England

Question 17. The Earth can be called an oblate spheroid because

  1. The Earth’s surface is elevated by 15 m at the North Pole
  2. There is more water in the equatorial region
  3. The highest point on Earth is Mt. Everest
  4. The Poles are flattened and the equatorial region is bulging out

Answer: 2. there is more water in the equatorial region

Question 18. The Earth’s gravitational force is the greatest

  1. At the equatorial region
  2. In the ocean beds
  3. On mountain peaks
  4. At the Poles

Answer: 4. at the Poles

Question 19. The pendulum clock experiment was conducted by

  1. Pythagoras
  2. Eratosthenes
  3. Jean Richer
  4. Galileo

Answer: 3. Jean Richer

Question 20. The word ‘geoid’ means

  1. An oblate spheroid
  2. Perfect sphere
  3. Flattened
  4. Like the Earth

Answer:4. like the Earth

Question 21. One of the believers in the Earth-centric model of the universe was

  1. Copernicus
  2. Aristotle
  3. Bruno
  4. Brahe

Answer: 2. Aristotle

Question 22. The telescope was invented by

  1. Kepler
  2. Galileo
  3. Newton
  4. Halley

Answer: 2. Galileo

Question 23. If we move 111.3 kilometres from the Equator towards the Poles, the angle of incidence of the Sun’s rays will increase by

  1. 1° 30′
  2. 2° 30′
  3. 1°
  4. 1° 02′

Answer: 3. 1°

Question 24. The latitudinal coordinate of Paris is

  1. 26° 32′ N
  2. 47° N
  3. 49° N
  4. 75° 03′ N

Answer: 3. 49° N

Question 25. The Cayenne Islands are in

  1. North America
  2. South America
  3. Asia
  4. Austria

Answer: 2. South America

Question 26. The deepest point in the Mariana Trench has a depth of

  1. 10,053 m
  2. 11,035 m
  3. 11,350 m
  4. 10,994 m

Answer: 2. 11,035 m

Question 27. The Earth’s centrifugal force is greatest at the

  1. Equatorial region
  2. Tropics
  3. Polar regions
  4. Frigid zone

Answer: 2. tropics

Question 28. During a lunar eclipse, the shadow of the Earth on the Moon looks

  1. Straight
  2. Curved
  3. Circular
  4. Rectangular

Answer: 3. circular

Question 29. As we go higher up from the surface of the Earth, the line of horizon appears

  1. Shorter
  2. Longer
  3. Stays the same
  4. None of the above

Answer: 2. longer

Question 30. Eratosthenes was

  1. A Roman philosopher
  2. Greek philosopher
  3. An Egyptian philosopher
  4. An Indian philosopher

Answer: 2. Greek philosopher

Question 31. Real shape of the Earth is

  1. Spherical
  2. Flat
  3. An oblate spheroid
  4. Rectangular

Answer: 3. oblate spheroid

Question 32. Columbus was a tourist from

  1. France
  2. Japan
  3. Portugal
  4. Spain

Answer:4. Spain

Question 33. Branch of Mathematics in which the shape and size of the Earth are discussed, is known as

  1. Geodesy
  2. Geology
  3. Geography
  4. Geophysics

Answer:1. Geodesy

Question 34. Bedford Canal experiment was conducted in

  1. 1770
  2. 1870
  3. 1920
  4. 1750

Answer: 2. 1870

Question 35. World’s first astronaut was

  1. Yuri Gagarin
  2. Rakesh Sharma
  3. Neil Armstrong
  4. Michael Collins

Answer:1. Yuri Gagarin

Question 36. The world’s first woman astronaut was

  1. Koalpana Chaula
  2. Sunita Williams
  3. Valentina Tereshkova
  4. Christinach

Answer: 3. Valentina Tereshkova

Question 37. The angle of elevation of the Pole Star from the Equator is

  1. 0°
  2. 15°
  3. 60°
  4. 90°

Answer: 1. 0°

Question 38.”The Earth is a floating disc in water.”This statement was put forth by

  1. Thales
  2. Anaximander
  3. Ptolemy
  4. Hecataeus

Answer: 1. Thales

Question 39. Eratosthenes is the father of

  1. Geology
  2. Geography
  3. Geodesy
  4. Geophysics

Answer: 3. Geodesy

Question 40. The weight of any material on the Earth’s surface is maximum at the latitude of

  1. 0°
  2. 23
  3. 66
  4. 90°

Answer: 4. 90°

Question 41. The ‘Blue Planet’ is another name for

  1. Earth
  2. Venus
  3. Saturn
  4. Mars

Answer: 1. Earth

Question 42. The planet nearest to the Earth is

  1. Mercury
  2. Venus
  3. Mars
  4. Jupiter

Answer: 2. Venus

Question 43. The planet closest to the Sun is

  1. Mercury
  2. Pluto
  3. Venus
  4. Neptune

Answer: 1. Mercury

Question 44.”The Earth revolves around the Sun and on its own axis.” The first person to say this was

  1. Copernicus
  2. Aryabhatta
  3. Galileo
  4. Newton

Answer: 1. Copernicus

Question 45. The average distance of the Earth from the Sun is

  1. 140 million km
  2. 150 million km
  3. 160 million km
  4. 120 million km

Answer: 150 million km

Question 46. An example of a dwarf planet is

  1. Pluto
  2. Mercury
  3. Mars
  4. Neptune

Answer: Pluto

Question 47. The average radius of the Earth is

  1. 6,300 km
  2. 6,371 km
  3. 6,500 km
  4. 6,600 km

Answer: 2. 6,371 km

Question 48. In 1797, scientist Henry Cavendish determined the Earth’s

  1. Density
  2. Weight
  3. Circumference
  4. Diameter

Answer: 4. Diameter

Question 49. In terms of distance from, the Sun, the Earth is a planet.

  1. Second
  2. Third
  3. Fourth
  4. Fifth

Answer: 2. Third

Question 50. The Sun is a

  1. Planet
  2. Satellite
  3. Star
  4. Galaxy

Answer: 3. Star

Question 51. The Sun is heavier than the Earth by

  1. 0.35 million times
  2. 0.33 million times
  3. 0.32 million times
  4. 0.325 million times

Answer: 0.33 million times

Question 52. The number of Jovian planets in the solar system is

  1. 7
  2. 8
  3. 9
  4. 6

Answer: 2. 8

Question 53. The planet which has rings around it is

  1. Saturn
  2. Earth
  3. Mercury
  4. Venus

Answer: 1. Saturn

Question 54. The name of one satellite of Saturn is

  1. Moon
  2. Titan
  3. Haumea
  4. Phobos

Answer: 2. Titan

Question 55. The total number of components in a GPS is

  1. 3
  2. 6
  3. 4
  4. 5

Answer: 1. 3

Question 56. The shape of Mercury and Venus is

  1. A oblate spheroid
  2. Perfect sphere
  3. Geoid
  4. Flattened

Answer: 2. Perfect sphere

Question 57. To complete one Sun, Venus takes

  1. 365 days
  2. 24 hours
  3. 243 days
  4. 27 days

Answer: 3. 243 days

Question 58. To complete one revolution around the Earth, the Moon takes

  1. 36 days
  2. 20 days
  3. 27 days
  4. 27 days

Answer: 3. 27 days

Question 59. The length of the Earth’s orbit is

  1. 9.6 million km
  2. 11 million km
  3. 14.70 million km
  4. 15.20 million km

Answer: 1. 9.6 million km

Question 60. To determine the location of any place on Earth using GPS, the number of satellites launched in space by the USA is

  1. 23
  2. 24
  3. 25
  4. 31

Answer: 1. 23

Question 61. The largest planet in the solar system is

  1. Mercury Venus
  2. Venus
  3. Jupiter
  4. Mars

Answer: 3. Jupiter

Question 62. At present, the number of known planets in the solar system is

  1. 3
  2. 5
  3. 7
  4. 8

Answer: 4. 8

Question 61. At present, the number of dwarf planets in the solar system is

  1. 5
  2. 6
  3. 4
  4. 3

Answer: 1. 5

Question 62. Biosphere is extended above the surface upto

  1. 15 km
  2. 10 km
  3. 20 km
  4. 23 km

Answer: 1. 15 km

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