UPSC Static Quiz – Geography : 6 June 2024

We will post 5 questions daily on static topics mentioned in the UPSC civil services preliminary examination syllabus. Each week will focus on a specific topic from the syllabus, such as History of India and Indian National Movement, Indian and World Geography, and more.

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• Question 1 of 5 1. Question Consider the following statements regarding Earthquakes and Volcano. Earthquake normally occurs along with the volcanoes. Volcanoes occur only where ocean crust collides with continental crust. Volcanoes are one of the best sources of sulphur. How many of the above statements is/are correct? (a) Only one (b) Only two (c) All three (d) None Correct Solution: b) Statement 2 is incorrect. Earth quakes are usually associated with volcanoes, since both are related to plate movements. Volcanoes can also happen with ocean-ocean crust collision. Best example is South East Asian Archipelago. Volcanoes are one of the best sources of sulphur. Incorrect Solution: b) Statement 2 is incorrect. Earth quakes are usually associated with volcanoes, since both are related to plate movements. Volcanoes can also happen with ocean-ocean crust collision. Best example is South East Asian Archipelago. Volcanoes are one of the best sources of sulphur.

#### 1. Question

Consider the following statements regarding Earthquakes and Volcano.

• Earthquake normally occurs along with the volcanoes.

• Volcanoes occur only where ocean crust collides with continental crust.

• Volcanoes are one of the best sources of sulphur.

How many of the above statements is/are correct?

• (a) Only one

• (b) Only two

• (c) All three

Solution: b)

Statement 2 is incorrect.

Earth quakes are usually associated with volcanoes, since both are related to plate movements.

Volcanoes can also happen with ocean-ocean crust collision. Best example is South East Asian Archipelago.

Volcanoes are one of the best sources of sulphur.

Solution: b)

Statement 2 is incorrect.

Earth quakes are usually associated with volcanoes, since both are related to plate movements.

Volcanoes can also happen with ocean-ocean crust collision. Best example is South East Asian Archipelago.

Volcanoes are one of the best sources of sulphur.

• Question 2 of 5 2. Question Without a magnetic field, our planet will lose its atmosphere as per researchers. How is Earth’s magnetic field helping to hold the atmosphere? a) Magnetic field supports the gravitation forces in increasing the escape velocity of gas particles b) The charged particles in the Earth’s atmosphere are being held by this magnetic field c) It deflects ionizing particles from the Sun which would otherwise wear atmosphere away d) None of the above Correct Solution: c) It is the magnetic field of earth that protects earth from harmful solar winds or else earth would have been washed away of the atmosphere like other planets. Incorrect Solution: c) It is the magnetic field of earth that protects earth from harmful solar winds or else earth would have been washed away of the atmosphere like other planets.

#### 2. Question

Without a magnetic field, our planet will lose its atmosphere as per researchers. How is Earth’s magnetic field helping to hold the atmosphere?

• a) Magnetic field supports the gravitation forces in increasing the escape velocity of gas particles

• b) The charged particles in the Earth’s atmosphere are being held by this magnetic field

• c) It deflects ionizing particles from the Sun which would otherwise wear atmosphere away

• d) None of the above

Solution: c)

It is the magnetic field of earth that protects earth from harmful solar winds or else earth would have been washed away of the atmosphere like other planets.

Solution: c)

It is the magnetic field of earth that protects earth from harmful solar winds or else earth would have been washed away of the atmosphere like other planets.

• Question 3 of 5 3. Question Consider the following statements. The gravitation force (g) is not the same at different latitudes on the surface of the earth. Uneven distribution of mass of material within the earth influences the gravitational force as experienced within the earth. Which of the above statements is/are incorrect? a) 1 only b) 2 only c) Both 1 and 2 d) Neither 1 nor 2 Correct Solution: d) Statement 1: It is greater near the poles and less at the equator. This is because of the distance from the centre at the equator being greater than that at the poles. Statement 2: Distribution of mass affects the effective mass that is applying the gravitational force. Since not all earthly mass has same density, there is bound to be a difference in the way gravitational force is experienced within the earth. Incorrect Solution: d) Statement 1: It is greater near the poles and less at the equator. This is because of the distance from the centre at the equator being greater than that at the poles. Statement 2: Distribution of mass affects the effective mass that is applying the gravitational force. Since not all earthly mass has same density, there is bound to be a difference in the way gravitational force is experienced within the earth.

#### 3. Question

Consider the following statements.

• The gravitation force (g) is not the same at different latitudes on the surface of the earth.

• Uneven distribution of mass of material within the earth influences the gravitational force as experienced within the earth.

Which of the above statements is/are incorrect?

• c) Both 1 and 2

• d) Neither 1 nor 2

Solution: d)

Statement 1: It is greater near the poles and less at the equator. This is because of the distance from the centre at the equator being greater than that at the poles.

Statement 2: Distribution of mass affects the effective mass that is applying the gravitational force. Since not all earthly mass has same density, there is bound to be a difference in the way gravitational force is experienced within the earth.

Solution: d)

Statement 1: It is greater near the poles and less at the equator. This is because of the distance from the centre at the equator being greater than that at the poles.

• Question 4 of 5 4. Question The most prominent feature in the oceans, forming an almost continuous mountain range, is the a) Abyssal plain b) Deep ocean trench c) Seamount d) Mid-ocean ridge Correct Solution: d) A mid-ocean ridge or mid-oceanic ridge is an underwater mountain range, formed by plate tectonics. This uplifting of the ocean floor occurs when convection currents rise in the mantle beneath the oceanic crust and create magma where two tectonic plates meet at a divergent boundary. The mid-ocean ridges of the world are connected and form a single global mid-oceanic ridge system that is part of every ocean, making the mid-oceanic ridge system the longest mountain range in the world, with a total length of about 60,000 km. Incorrect Solution: d) A mid-ocean ridge or mid-oceanic ridge is an underwater mountain range, formed by plate tectonics. This uplifting of the ocean floor occurs when convection currents rise in the mantle beneath the oceanic crust and create magma where two tectonic plates meet at a divergent boundary. The mid-ocean ridges of the world are connected and form a single global mid-oceanic ridge system that is part of every ocean, making the mid-oceanic ridge system the longest mountain range in the world, with a total length of about 60,000 km.

#### 4. Question

The most prominent feature in the oceans, forming an almost continuous mountain range, is the

• a) Abyssal plain

• b) Deep ocean trench

• c) Seamount

• d) Mid-ocean ridge

Solution: d)

A mid-ocean ridge or mid-oceanic ridge is an underwater mountain range, formed by plate tectonics.

This uplifting of the ocean floor occurs when convection currents rise in the mantle beneath the oceanic crust and create magma where two tectonic plates meet at a divergent boundary.

The mid-ocean ridges of the world are connected and form a single global mid-oceanic ridge system that is part of every ocean, making the mid-oceanic ridge system the longest mountain range in the world, with a total length of about 60,000 km.

Solution: d)

A mid-ocean ridge or mid-oceanic ridge is an underwater mountain range, formed by plate tectonics.

This uplifting of the ocean floor occurs when convection currents rise in the mantle beneath the oceanic crust and create magma where two tectonic plates meet at a divergent boundary.

• Question 5 of 5 5. Question Consider the following statements: Area of Pacific Ocean is almost equal to area of all other oceans combined. More diversity of landforms can be observed in oceans than continents. Which of the above statements is/are correct? (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2 Correct Solution: b) Although Pacific Ocean is the largest ocean than other oceans, its area is far lesser than all other oceans area combined. Continental slope, Guyots, Trenches and other landforms can be observed in the ocean which is far diverse than the continents. Incorrect Solution: b) Although Pacific Ocean is the largest ocean than other oceans, its area is far lesser than all other oceans area combined. Continental slope, Guyots, Trenches and other landforms can be observed in the ocean which is far diverse than the continents.

#### 5. Question

Consider the following statements:

• Area of Pacific Ocean is almost equal to area of all other oceans combined.

• More diversity of landforms can be observed in oceans than continents.

Which of the above statements is/are correct?

• (a) 1 only

• (b) 2 only

• (c) Both 1 and 2

• (d) Neither 1 nor 2

Solution: b)

Although Pacific Ocean is the largest ocean than other oceans, its area is far lesser than all other oceans area combined.

Continental slope, Guyots, Trenches and other landforms can be observed in the ocean which is far diverse than the continents.

Solution: b)

Although Pacific Ocean is the largest ocean than other oceans, its area is far lesser than all other oceans area combined.

Continental slope, Guyots, Trenches and other landforms can be observed in the ocean which is far diverse than the continents.

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