Maharashtra State BoardHSC Arts 11th
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Balbharati solutions for Geography 11th Standard Maharashtra State Board chapter 7 - Indian Ocean - Relief and Strategic Importance [Latest edition]

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Chapters

Geography 11th Standard Maharashtra State Board - Shaalaa.com

Chapter 7: Indian Ocean - Relief and Strategic Importance

Make friends with maps!Find Out!Try This.Can you do it?Do you know?Can you tell ?Exercise
Make friends with maps! [Page 75]

Balbharati solutions for Geography 11th Standard Maharashtra State Board Chapter 7 Indian Ocean - Relief and Strategic Importance Make friends with maps! [Page 75]

Make friends with maps! | Q 1 | Page 75

Look at the figure and answer the following questions:

  1. What does this map show?
  2. Which continents and sub-continents are visible on this map?
  3. What lies between the continents?
  4. Chagos Plateau, Sunda Trench, Central Mountain range are a part of what?
  5. What are the conclusions you can draw after looking at the map?
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Find Out! [Page 77]

Balbharati solutions for Geography 11th Standard Maharashtra State Board Chapter 7 Indian Ocean - Relief and Strategic Importance Find Out! [Page 77]

Find Out! | Q 1 | Page 77

Why Ninety East ridge name has been given to this north-south extending range in the eastern Indian Ocean (Bay of Bengal)?

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Try This. [Page 78]

Balbharati solutions for Geography 11th Standard Maharashtra State Board Chapter 7 Indian Ocean - Relief and Strategic Importance Try This. [Page 78]

Try This. | Q 1 | Page 78

Given below are the names of some ocean basins in the Indian Ocean. Identify these in figure Write a note on their locations, their separators, and the rivers entering into them. Rank these according to their size on the basis of your perception.

  1. Oman basin
  2. Arabian basin
  3. Somali basin
  4. Mauritius basin
  5. Mascarene basin
  6. Agulhas-Natal basin
  7. West Australian basin
  8. MidIndian basin
  9. Ganga basin
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Can you do it? [Pages 78 - 79]

Balbharati solutions for Geography 11th Standard Maharashtra State Board Chapter 7 Indian Ocean - Relief and Strategic Importance Can you do it? [Pages 78 - 79]

Can you do it? | Q 1 | Page 78

Study maps given in the figure carefully. These maps are showing the portion of the Indian Ocean lying north of the equator. Maps in the figure depict the temperature conditions in three seasons:

  1. pre-SW monsoon,
  2. NE monsoon
  3. during SW monsoon.

Answer the following questions.

  1. Why are isotherms not drawn on the continental part?
  2. Why is the temperature in the Arabian Sea lower than in the Bay of Bengal?
  3. Why is the temperature higher in the southern portion of the Indian Ocean during pre SW monsoon?
Can you do it? | Q 2 | Page 79

Given below are the maps depicting the salinity distribution of the northern Indian Ocean. Study the maps.

  1. NE monsoon,
  2. pre-SW monsoon
  3. SW monsoon
    given in figure carefully and answer the following questions.
  1. Why does the Arabian Sea record higher salinity than the Bay of Bengal?
  2. What is the minimum salinity in the Bay of Bengal? In which seasons do we find it?
  3. Account for the high salinity in the Arabian Sea throughout the year?



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Do you know? [Page 80]

Balbharati solutions for Geography 11th Standard Maharashtra State Board Chapter 7 Indian Ocean - Relief and Strategic Importance Do you know? [Page 80]

Do you know? | Q 1 | Page 80

See the maps in Figures A and B. They show the pattern of ocean currents in the Indian Ocean during different seasons.
Study the maps carefully and answer the following questions.

  1. Identify the season each map is representing and name them accordingly.
  2. What difference do you notice in the direction of currents between winter and summer in the Northern part of the Indian Ocean?
  3. How many cold currents are there in the Indian Ocean? Name them.
  4. Why do you think the cold currents are fewer in the Indian Ocean.
  5. Which currents maintain the direction in both the season?
  6. Can you see any circulation in the currents of the Indian Ocean? What are such circulations called? If yes name the currents sequentially.


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Can you tell ? [Page 81]

Balbharati solutions for Geography 11th Standard Maharashtra State Board Chapter 7 Indian Ocean - Relief and Strategic Importance Can you tell ? [Page 81]

Can you tell ? | Q 1 | Page 81
  1. Name the Gulf countries
  2. In which direction do they lie in the Asian content.
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Exercise [Page 83]

Balbharati solutions for Geography 11th Standard Maharashtra State Board Chapter 7 Indian Ocean - Relief and Strategic Importance Exercise [Page 83]

Exercise | Q 1 | Page 83

Complete the chain:

A B C
1) Pacific Ocean 1) Christmas 1) Bab-al-Mandeb
2) Chagos 2) Atlantic Ocean 2) Lakshadweep
3) Ashmore 3) Maldives 3) Indian Ocean
4) Hormuz 4) Malacca 4) Cocos
Exercise | Q 2.1 | Page 83

Give a geographical reason:

Salinity is less in the Bay of Bengal in the Indian Ocean.

Exercise | Q 2.2 | Page 83

Give a geographical reason:

The eastern coastal part of the Indian Ocean is seismically active.

Exercise | Q 2.3 | Page 83

Give a geographical reason:

Gyre develops in the Southern Indian Ocean.

Exercise | Q 2.4 | Page 83

Give a geographical reason:

Temperatures are high in the pre-monsoon season in the equatorial region in the northern Indian ocean.

Exercise | Q 3.1 | Page 83

Write a short note on:

The width of the continental shelf in the Bay of Bengal and the Arabian Sea.

Exercise | Q 3.2 | Page 83

Write a short note on:

Mineral resources in the Indian ocean

Exercise | Q 3.3 | Page 83

Write a short note on:

Ocean currents in the Indian ocean

Exercise | Q 3.4 | Page 83

Write a short note on:

Oil and natural gas in the Indian ocean

Exercise | Q 4.1 | Page 83

Answer in detail:
Outline the importance of the Indian ocean with respect to trade and transport routes.

Exercise | Q 4.2 | Page 83

Answer in detail:

Evaluate the strategic location of India with respect to its location in the Indian Ocean.

Exercise | Q 4.3 | Page 83

Explain the Indian ocean with respect to the following aspects :

Ocean Trenches

Exercise | Q 4.3 | Page 83

Explain the Indian ocean with respect to the following aspects :

Abyssal Plains

Exercise | Q 4.3 | Page 83

Explain the Indian ocean with respect to the following aspects :

ridges

Exercise | Q 4.3 | Page 83

Explain the Indian ocean with respect to the following aspects :

Ocean Currents

Exercise | Q 5 | Page 83

On an outline map of the world, locate the following, and make an index:

  1. Sunda Trench
  2. Diego Garcia
  3. SW Monsoon
  4. Agulhas Current
  5. West Australian Current
  6. Ninety East ridge
  7. Strait of Holmuz
  8. Chabahar port
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Chapter 7: Indian Ocean - Relief and Strategic Importance

Make friends with maps!Find Out!Try This.Can you do it?Do you know?Can you tell ?Exercise
Geography 11th Standard Maharashtra State Board - Shaalaa.com

Balbharati solutions for Geography 11th Standard Maharashtra State Board chapter 7 - Indian Ocean - Relief and Strategic Importance

Balbharati solutions for Geography 11th Standard Maharashtra State Board chapter 7 (Indian Ocean - Relief and Strategic Importance) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Maharashtra State Board Geography 11th Standard Maharashtra State Board solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. Balbharati textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Geography 11th Standard Maharashtra State Board chapter 7 Indian Ocean - Relief and Strategic Importance are Indian Ocean Region, Bottom Relief of Indian Ocean, Continental Shelf, Mid-oceanic Ridges, Islands of Indian Ocean, Ocean Basins, Deeps and Trenches, Distribution of Temperature and Salinity in Indian Oceans, Indian Ocean Salinity, Ocean Currents in Indian Ocean, Importance of the Indian Ocean, The Importance of Indian Ocean for India.

Using Balbharati 11th solutions Indian Ocean - Relief and Strategic Importance exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Balbharati Solutions are important questions that can be asked in the final exam. Maximum students of Maharashtra State Board 11th prefer Balbharati Textbook Solutions to score more in exam.

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