# UPSC/HCS/RAS Civil Service Day 39 Geography-Ocean resources and coral reef MCQ

#### UPSC/HCS/RAS Civil Service Day 39 Geography-Ocean resources and coral reef MCQ

UPSC/HCS/RAS Civil Service Day 39 Geography-Ocean resources and coral reef MCQ

Dear aspirants,

Welcome to Frontier IAS online coaching classes. Frontier IAS is a part of Pinnacle New Era Education Pvt. Ltd.  Frontier IAS provides guidance for the preparation of UPSC/HCS/RAS Civil Service. Frontier IAS has started Geography questions series for UPSC/HCS/RAS aspirants.

Questions on Geography are asked in both prelims and mains (GS1 and GS3) in UPSC Civil Service Examination. The syllabus of Geography is broadly divided into Physical Geography and Human Geography.Indian Geography as well as World Geography are to be studied in GS1. Infrastructures i.e. Energy, Ports, Roads, Airports, Railways etc. are covered in GS3. Geography has a vast syllabus. Clearing the basic ideas on key topics will help you improve your score. Practising these MCQs provided by us can help you improve your knowledge and perform better in the actual exam.

Frontier IAS team brings you an MCQ series on various topics of Geography. You can solve it in your leisure time and use your time more productively while surfing the internet. So, here comes UPSC/HCS/RAS Civil Service Day 39 Geography-Ocean resources and coral reef MCQ.

## UPSC/HCS/RAS Civil Service Day 39 Geography-Ocean resources and coral reef MCQ

Q1. Consider the following statements:

1. The hydrological cycle, is the circulation of water within the earth’s hydrosphere in different forms.
2. Rivers  have the highest percentage of water on earth’s surface.
3. Continental slope connects the continental shelf and the ocean basins.

Which of the above statement/s is/are correct?

1. only 3
2. 1 and 2
3. 1 and 3
4. 1, 2 and 3

Q2. Consider the following statements:

1. The gradient of the continental slope region varies between 2-5°.
2. Continental shelf are the flattest and smoothest regions of the world.
3. Guyot is nothing but  a flat topped seamount.

Which of the above statement/s is/are correct?

1. only 3
2. 1 and 2
3. 1 and 3
4. 1, 2 and 3

Q3. Consider the following statements:

1. A bay is usually larger and more enclosed than a gulf.
2. Strait of Gibraltar connects the Atlantic Ocean on its west with the Mediterranean Sea on its east.
3. Coral reef are often called “rainforests of the sea” as they form some of the most diverse ecosystems on Earth.

Which of the above statement/s is/are correct?

1. only 1
2. 1 and 2
3. 2 and 3
4. 1, 2 and 3

Q4. Consider the following statements:

1. Fringing reef extends as a broken, irregular ring around the coast or an island, running almost parallel to it.
2. An atoll is a roughly circular oceanic reef system surrounding a large central lagoon.
3. Atolls are far more common in the Pacific ocean than any other ocean.

Which of the above statement/s is/are correct?

1. only 1
2. 1 and 2
3. 2 and 3
4. 1, 2 and 3

Q5. Consider the following statements:

1. Mangroves produces pneumatophores (Blind or arial roots) to overcome respiration problem in anaerobic soil conditions.
2. In high water temperature, the polyps expel zooxanthellae and the colony takes on a stark white appearance termed as “coral bleaching”.
3. Corals thrive in temperate waters.

Which of the above statement/s is/are correct?

1. 2 and 3
2. 1 and 3
3. 1 and 2
4. only 3

1. Option C is correct.

• Statement 1 is correct  The hydrological cycle, is the circulation of water within the earth’s hydrosphere in different forms.
• Statement 2 is not correct Oceans have the highest percentage of water on earth’s surface.
• Statement 3 is correct  Continental slope connects the continental shelf and the ocean basins.

2. Option C is correct.

• Statement 1 is correct The gradient of the continental slope region varies between 2-5°.
• Statement 2 is not correct  Deep sea plain are the flattest and smoothest regions of the world.
• Statement 3 is correct Guyot is nothing but  a flat topped seamount.

3. Option C is correct.

• Statement 1 is not correct A bay is usually smaller and less enclosed than a gulf.
• Statement 2 is correct Strait of Gibraltar connects the Atlantic Ocean on its west with the Mediterranean Sea on its east.
• Statement 3 is  correct Coral reef are often called “rainforests of the sea” as they form some of the most diverse ecosystems on Earth.

4. Option C is correct.

• Statement 1 is not correct Barrier reef extends as a broken, irregular ring around the coast or an island, running almost parallel to it.
• Statement 2 is correct  An atoll is a roughly circular oceanic reef system surrounding a large central lagoon.
• Statement 3 is correct Atolls are far more common in the Pacific ocean than any other ocean.

5. Option C is correct.

• Statement 1 is correct Mangroves produces pneumatophores (Blind or aerial roots) to overcome respiration problem in anaerobic soil conditions.
• Statement 2 is correct  In high water temperature, the polyps expel zooxanthellae and the colony takes on a stark white appearance termed as “coral bleaching”.
• Statement 3 is not correct  Corals thrive in tropical waters (30°N and 30°S latitudes).

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