CHAPTER 2: OCEANS AND CONTINENTS
1. Why is Earth often called the “blue planet”?
A. Most of its surface is covered with water
B. Most of its surface is covered with forests
C. It has a blue atmosphere
D. It is the coldest planet
Answer: A. Most of its surface is covered with water
2. Approximately how much of Earth’s surface is covered with water?
A. One-fourth
B. One-half
C. Three-fourths
D. One-tenth
Answer: C. Three-fourths
3. What are the largest water bodies on Earth called?
A. Rivers
B. Oceans
C. Lakes
D. Glaciers
Answer: B. Oceans
4. What is a large continuous expanse of land called?
A. Bay
B. Gulf
C. Sea
D. Continent
Answer: D. Continent
5. What is a large body of land called?
A. Landmass
B. Ocean
C. Strait
D. Sea
Answer: A. Landmass
6. Which of the following plays a vital role in shaping Earth’s climate?
A. Only mountains
B. Only rivers
C. Oceans and continents
D. Only deserts
Answer: C. Oceans and continents
7. Which hemisphere has more land than the other?
A. Southern Hemisphere
B. Northern Hemisphere
C. Both have exactly equal land
D. Neither hemisphere
Answer: B. Northern Hemisphere
8. Which of the following is a smaller extension of an ocean?
A. Continent
B. Plateau
C. Desert
D. Bay
Answer: D. Bay
9. Why is most ocean water unsuitable for drinking?
A. It is salty
B. It is frozen
C. It contains no minerals
D. It is always polluted
Answer: A. It is salty
10. Which of the following is a source of freshwater?
A. Open ocean
B. Saltwater sea
C. Rivers
D. Ocean floor
Answer: C. Rivers
11. Which of the following is another source of freshwater mentioned in the chapter?
A. Coral reefs
B. Groundwater
C. Ocean currents
D. Sea waves
Answer: B. Groundwater
12. How many oceans are identified on the world map in the chapter?
A. Three
B. Four
C. Six
D. Five
Answer: D. Five
13. Which is the largest ocean on Earth?
A. Pacific Ocean
B. Atlantic Ocean
C. Indian Ocean
D. Arctic Ocean
Answer: A. Pacific Ocean
14. Which is the second-largest ocean?
A. Southern Ocean
B. Indian Ocean
C. Atlantic Ocean
D. Arctic Ocean
Answer: C. Atlantic Ocean
15. Which is the third-largest ocean?
A. Arctic Ocean
B. Indian Ocean
C. Pacific Ocean
D. Southern Ocean
Answer: B. Indian Ocean
16. Which is the fourth-largest ocean?
A. Atlantic Ocean
B. Arctic Ocean
C. Indian Ocean
D. Southern Ocean
Answer: D. Southern Ocean
17. Which is the smallest ocean?
A. Arctic Ocean
B. Pacific Ocean
C. Atlantic Ocean
D. Indian Ocean
Answer: A. Arctic Ocean
18. Which statement about the five oceans is correct?
A. They contain completely separate bodies of water
B. They are all freshwater bodies
C. They are interconnected
D. They have no marine life
Answer: C. They are interconnected
19. What are the lines dividing oceans on world maps?
A. Permanent walls
B. Conventional boundaries
C. Mountain ranges
D. River boundaries
Answer: B. Conventional boundaries
20. What does marine flora refer to?
A. Animal life in forests
B. Birds living near rivers
C. Plants growing on mountains
D. Plant life in oceans and seas
Answer: D. Plant life in oceans and seas
21. What does marine fauna refer to?
A. Animal life in oceans and seas
B. Plant life in deserts
C. Trees in coastal forests
D. Animals living only on land
Answer: A. Animal life in oceans and seas
22. Which of the following is an example of marine flora?
A. Dolphin
B. Shark
C. Algae
D. Whale
Answer: C. Algae
23. Which of the following is an example of marine fauna?
A. Seaweed
B. Dolphin
C. Algae
D. Grass
Answer: B. Dolphin
24. Which sea lies to the west of India?
A. Bay of Bengal
B. Mediterranean Sea
C. Red Sea
D. Arabian Sea
Answer: D. Arabian Sea
25. Which bay lies to the east of India?
A. Bay of Bengal
B. Hudson Bay
C. Bay of Biscay
D. Persian Gulf
Answer: A. Bay of Bengal
26. Which continent lies to the west of the Indian Ocean?
A. Australia
B. Asia
C. Africa
D. Europe
Answer: C. Africa
27. Which continent lies to the east of the Indian Ocean?
A. South America
B. Australia
C. North America
D. Europe
Answer: B. Australia
28. What brings rain to the continents, including monsoon rainfall in India?
A. Only deserts
B. Mountain rocks
C. Underground minerals
D. Clouds originating over oceans
Answer: D. Clouds originating over oceans
29. What is a cyclone?
A. A type of island
B. A freshwater lake
C. A storm with very strong winds or extreme rainfall
D. A continent covered with ice
Answer: C. A storm with very strong winds or extreme rainfall
30. What generally causes a tsunami?
A. A strong earthquake or volcanic eruption beneath the ocean
B. Ordinary rainfall
C. A change in the seasons
D. The formation of a river
Answer: A. A strong earthquake or volcanic eruption beneath the ocean
31. On which date did the devastating tsunami mentioned in the chapter occur?
A. 15 August 1947
B. 26 December 2004
C. 2 October 1869
D. 26 January 1950
Answer: B. 26 December 2004
32. The 2004 tsunami mentioned in the chapter was caused by an earthquake in which country?
A. India
B. Australia
C. Japan
D. Indonesia
Answer: D. Indonesia
33. Which Indian island group was severely affected by the 2004 tsunami?
A. Andaman and Nicobar Islands
B. Lakshadweep Islands only
C. Diu Island
D. Majuli Island
Answer: A. Andaman and Nicobar Islands
34. Which Indian authority is mentioned as responsible for dealing with disasters?
A. Survey of India
B. Indian Navy
C. National Disaster Management Authority
D. Election Commission of India
Answer: C. National Disaster Management Authority
35. How many continents are included in the most widely adopted classification?
A. Four
B. Seven
C. Five
D. Six
Answer: B. Seven
36. Which of the following is one of the seven continents?
A. Arabian Sea
B. Pacific Ocean
C. Bay of Bengal
D. Antarctica
Answer: D. Antarctica
37. Which two continents are generally considered separate but form one continuous landmass?
A. Europe and Asia
B. Africa and Australia
C. North America and Antarctica
D. South America and Australia
Answer: A. Europe and Asia
38. What name is often used by geologists for the combined landmass of Europe and Asia?
A. Gondwana
B. Pangaea
C. Eurasia
D. Australasia
Answer: C. Eurasia
39. Which two continents can also be considered one landmass?
A. Africa and Europe
B. North America and South America
C. Asia and Australia
D. Europe and Antarctica
Answer: B. North America and South America
40. Which list contains only continents?
A. Pacific, Atlantic, Indian, Arctic
B. Arabian Sea, Africa, Asia, Europe
C. Australia, Indian Ocean, Antarctica, Asia
D. Africa, Asia, Europe, Australia
Answer: D. Africa, Asia, Europe, Australia
41. Which continents are represented by the five Olympic rings according to the chapter?
A. Africa, America, Asia, Australia and Europe
B. Africa, Antarctica, Asia, Europe and Australia
C. North America, South America, Europe, Antarctica and Asia
D. Africa, Asia, Antarctica, Australia and South America
Answer: A. Africa, America, Asia, Australia and Europe
42. What is an island?
A. A large continuous landmass
B. A body of freshwater surrounded by land
C. A piece of land surrounded by water on all sides
D. A mountain surrounded by forests
Answer: C. A piece of land surrounded by water on all sides
43. Which is the largest island in the world?
A. Madagascar
B. Greenland
C. Sri Lanka
D. New Guinea
Answer: B. Greenland
44. Approximately how many small islands does India have, according to the chapter?
A. More than 100
B. More than 500
C. More than 1,000
D. More than 1,300
Answer: D. More than 1,300
45. Where are the Andaman and Nicobar Islands located?
A. Bay of Bengal
B. Arabian Sea
C. Mediterranean Sea
D. Atlantic Ocean
Answer: A. Bay of Bengal
46. Where are the Lakshadweep Islands located?
A. Pacific Ocean
B. Bay of Bengal
C. Arabian Sea
D. Southern Ocean
Answer: C. Arabian Sea
47. What was the name of India’s first scientific base station in Antarctica, established in 1983?
A. Maitri
B. Dakshin Gangotri
C. Himadri
D. Sagar Kanya
Answer: B. Dakshin Gangotri
48. Why are oceans called “the planet’s lungs” in the chapter?
A. They contain all the freshwater on Earth
B. They prevent all natural disasters
C. They cover every continent
D. Their flora produces more than half of the world’s oxygen
Answer: D. Their flora produces more than half of the world’s oxygen
49. On which date is World Oceans Day observed?
A. June 8
B. April 22
C. March 21
D. December 26
Answer: A. June 8
50. Which human activity is identified as a cause of declining marine life?
A. Planting trees
B. Rainwater harvesting
C. Overfishing
D. Protecting coral reefs
Answer: C. Overfishing
