A. Choose the correct answer<\/span><\/p>\nQuestion 1.
\nWhich of the following is the smallest ocean on Earth?
\n(a) The Pacific Ocean
\n(b) The Indian Ocean
\n(c) The Atlantic Ocean
\n(d) The Arctic Ocean
\nAnswer:
\n(d) The Arctic Ocean<\/p>\n
Question 2.
\nThe Malacca Strait connects
\n(a) The Pacific and Atlantic Oceans
\n(b) The Pacific and Southern Oceans
\n(c) The Pacific and Indian Oceans
\n(d) The Pacific and Arctic Oceans
\nAnswer:
\n(c) The Pacific and Indian Oceans<\/p>\n
<\/p>\n
Question 3.
\nWhich of the following oceans is the busiest ocean?
\n(a) The Pacific Ocean
\n(b) The Atlantic Ocean
\n(c) The Indian Ocean
\n(d) The Arctic Ocean
\nAnswer:
\n(b) The Atlantic Ocean<\/p>\n
Question 4.
\nThe frozen continent is
\n(a) North America
\n(b) Australia
\n(c) Antarctica
\n(d) Asia
\nAnswer:
\n(c) Antarctica<\/p>\n
Question 5.
\nA narrow strip of water that connects two large water bodies?
\n(a) A Strait
\n(b) An Isthmus
\n(c) An Island
\n(d) A Trench
\nAnswer:<\/p>\n
B. Fill in the blanks<\/span><\/p>\n\n- The world’s largest continent is …………….<\/li>\n
- ……………. is the mineral-rich plateau in India.<\/li>\n
- The largest ocean is …………….<\/li>\n
- Deltas are ……………. order landforms ……………..<\/li>\n
- The Island continent is …………….<\/li>\n<\/ol>\n
Answer:<\/p>\n
\n- Asia<\/li>\n
- Chotanagpur Plateau<\/li>\n
- The Pacific ocean<\/li>\n
- Third<\/li>\n
- Australia<\/li>\n<\/ol>\n
C. Circle the odd one out<\/span><\/p>\n<\/p>\n
D. Match the following<\/span><\/p>\n
\nAnswer:
\n1. – b
\n2. – a
\n3. – d
\n4. – e
\n5. – c<\/p>\n
E. (i) Consider the following statements<\/span><\/p>\n1. Plains are formed by rivers.
\n2. The ‘South Sandwich Trench’ is found in the Indian Ocean.
\n3. Plateaus have steep slopes.
\nChoose the correct answer using the codes given below.
\n(a) 1 and 3
\n(b) 2 and 3
\n(c) 1, 2 and 3
\n(d) 2 only
\nAnswer:
\n(a) 1 and 3<\/p>\n
(ii) Consider the following statements<\/span><\/p>\nStatement I : Mountains are second order landforms.
\nStatement II : The Mariana Trench is the deepest trench in the world.
\nWhich of the statement(s) is\/are true?
\n(a) I is true; II is wrong
\n(b) I is wrong; II is true
\n(c) Both the statements are true
\n(d) Statements I and II are wrong.
\nAnswer:
\n(c) Both the statements are true<\/p>\n
F. Answer in a word<\/span><\/p>\nQuestion 1.
\nWhich is the highest plateau in the world?
\nAnswer:
\nTibetan Plateau.<\/p>\n
Question 2.
\nName a second-order landform.
\nAnswer:
\nMountains or Plateaus or Plains<\/p>\n
Question 3.
\nWhich ocean is named after a country?
\nAnswer:
\nIndian Ocean.<\/p>\n
<\/p>\n
Question 4.
\nName the island located in the Arabian Sea.
\nAnswer:
\nLakshadweep islands<\/p>\n
Question 5.
\nWhat is the deepest part of the ocean called?
\nAnswer:
\nTrench<\/p>\n
G. Answer in brief<\/span><\/p>\nQuestion 1.
\nWhat is a continent?
\nAnswer:
\nThe vast landmasses on Earth are called Continents.<\/p>\n
Question 2.
\nName the continents which surround the Atlantic Ocean.
\nAnswer:
\nThe Atlantic ocean is bounded by North America and South America in the West, and ( Europe and Africa in the East)<\/p>\n
Question 3.
\nWhat are the oceans?
\nAnswer:
\nOceans are a vast expanse of water.<\/p>\n
<\/p>\n
Question 4.
\nList out the names of continents according to their size
\nAnswer:
\nFrom the largest to the smallest, they are Asia, Africa, North America, South America,\u00a0 Antarctica, Europe, and Australia.<\/p>\n
Question 5.
\nName the oceans which surround North America and South America.
\nAnswer:
\nNorth America: On the west by the Pacific Ocean, on the east by Atlantic ocean and on the north by Arctic ocean
\nSouth America: On the west by the Pacific Ocean, on the east by Atlantic ocean.<\/p>\n
H. Distinguish between<\/span><\/p>\nQuestion 1.
\nA Mountain and a Plateau?
\nAnswer:
\nMountains<\/p>\n
\n- A landform that rises over 600 meters above its surroundings and has steep slopes is called a mountain.<\/li>\n
- Example: Himalayas<\/li>\n<\/ol>\n
Plateaus<\/p>\n
\n- Plateaus are the elevated portions of the Earth that have flat surfaces bounded by steep slopes. The elevation of plateaus maybe a few hundred metres or several thousand metre.<\/li>\n
- Example: Chotanagpur Plateau<\/li>\n<\/ol>\n
<\/p>\n
Question 2.
\nAn ocean and a sea
\nAnswer:<\/p>\n
Ocean<\/p>\n
\n- Oceans are a vast expanse of water.<\/li>\n
- Eg. the Pacific Ocean<\/li>\n<\/ol>\n
Sea<\/p>\n
\n- Seas are water bodies partially or fully enclosed by land.<\/li>\n
- Eg: Bay of Ben, Arabian Sea.<\/li>\n<\/ol>\n
I. Answer the following questions in detail<\/span><\/p>\nQuestion 1.
\nMention the classification of landforms.
\nAnswer:
\nFirst-order landforms:<\/p>\n
\n- Continents and oceans are grouped as first-order landforms.<\/li>\n
- The vast landmasses on Earth are called Continents and huge water bodies are called Oceans.<\/li>\n
- There are seven continents in the world. They are Asia, Africa, North America, South America, Antarctica, Europe and Australia.<\/li>\n
- The five oceans are the Pacific, Atlantic, Indian, Southern, and Arctic Oceans.<\/li>\n<\/ol>\n
Second-order landforms:<\/p>\n
\n- Mountains, Plateaus, and Plains are grouped as second-order landforms.<\/li>\n
- A landform that rises 600 meters above its surroundings and has steep slopes is called a mountain. Example:<\/li>\n
- The Himalayas, the Rocky Mountains, and the Andes.<\/li>\n
- Plateaus are the elevated portions of the Earth that have flat surfaces bounded by steep slopes. Example:<\/li>\n
- Tibetan plateau and Deccan plateau.<\/li>\n
- Plains are flat and relatively low-lying lands. These plains are used extensively for agriculture. Example: Indo – Gangetic plain.<\/li>\n<\/ol>\n
Third-order landforms:<\/p>\n
\n- Third-order landforms are formed on mountains, plateaus, and plains mainly by erosional and depositional activities of rivers, glaciers, winds, and waves.<\/li>\n
- Example: Valleys, beaches, and sand dunes.<\/li>\n<\/ol>\n
Question 2.
\nWrite a note on plateaus.
\nAnswer:
\nOcean:<\/p>\n
\n- An ocean is a vast expanse of water.<\/li>\n
- Oceans are very deep.<\/li>\n
- Example: The Pacific Ocean<\/li>\n<\/ul>\n
Sea:<\/p>\n