Static Quiz 10 June 2022 (Geography)
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Static Quiz 10 June 2022 (Geography)
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- Question 1 of 5
1. Question
1) Which of the following strait/canal connects the Aegean Sea to the
Sea of Marmara?CorrectThe Dardanelles Strait is a narrow channel of water that connects the Aegean Sea to the
Sea of Marmara.
IncorrectThe Dardanelles Strait is a narrow channel of water that connects the Aegean Sea to the
Sea of Marmara.
- Question 2 of 5
2. Question
With reference to the theory of Plate Tectonics, consider the following statements:
1) The collision of Indian plate with Asia led to the uplift of the Himalayas
2) Mid oceanic ridges are formed along the Constructive Edge
3) The Tethys Sea separated the Indian plate and the Eurasian plate.
Select the correct answer using the code given below:CorrectAll the statements are correct.
India was a large island situated off the Australian coast. The Tethys Sea separated it from the Asian continent till about 225 million years ago.
• India is supposed to have started her northward journey about 200 million years (Pangaea broke).
• About 140 million years ago, the subcontinent was located as south as 50? S latitude.
• The Tethys Sea separated the Indian plate and the Eurasian plate.
• Divergence forming Divergent Edge or the Constructive Edge
• In this kind of interaction, the plates diverge (move away from each other).
• Mid-ocean ridges (e.g. Mid-Atlantic Ridge) are formed due to this kind of interaction.India collided with Asia about 40-50 million years ago, causing the rapid uplift of the Himalayas (the Indian plate and the Eurasian plate were close to the equator back then).
IncorrectAll the statements are correct.
India was a large island situated off the Australian coast. The Tethys Sea separated it from the Asian continent till about 225 million years ago.
• India is supposed to have started her northward journey about 200 million years (Pangaea broke).
• About 140 million years ago, the subcontinent was located as south as 50? S latitude.
• The Tethys Sea separated the Indian plate and the Eurasian plate.
• Divergence forming Divergent Edge or the Constructive Edge
• In this kind of interaction, the plates diverge (move away from each other).
• Mid-ocean ridges (e.g. Mid-Atlantic Ridge) are formed due to this kind of interaction.India collided with Asia about 40-50 million years ago, causing the rapid uplift of the Himalayas (the Indian plate and the Eurasian plate were close to the equator back then).
- Question 3 of 5
3. Question
With reference to Volcanic landforms, which among the following is/are not an example extrusive landform?
1) Mid-oceanic ridges
2) Dykes
3) Crater
4) Phacolith
Which of the above statements is/are correct?CorrectExtrusive Volcanic Landforms:
Extrusive landforms are formed from material thrown out to the surface during volcanic activity.
The materials thrown out include lava flows, pyroclastic debris, volcanic bombs, ash, dust and gases such as nitrogen compounds, sulphur compounds and minor amounts of chlorine, hydrogen and argon.
Examples: Conical Vent and Fissure Vent
Mid-Ocean Ridges
Composite Type Volcanic Landforms
Shield Type Volcanic Landforms
Fissure Type Flood Basalt Landforms (Lava Plateaus)
Crater
Caldera
Cinder cone
Lava DomeMid oceanic ridges and Crater are examples of Intrusive Volcanic landforms.
IncorrectExtrusive Volcanic Landforms:
Extrusive landforms are formed from material thrown out to the surface during volcanic activity.
The materials thrown out include lava flows, pyroclastic debris, volcanic bombs, ash, dust and gases such as nitrogen compounds, sulphur compounds and minor amounts of chlorine, hydrogen and argon.
Examples: Conical Vent and Fissure Vent
Mid-Ocean Ridges
Composite Type Volcanic Landforms
Shield Type Volcanic Landforms
Fissure Type Flood Basalt Landforms (Lava Plateaus)
Crater
Caldera
Cinder cone
Lava DomeMid oceanic ridges and Crater are examples of Intrusive Volcanic landforms.
- Question 4 of 5
4. Question
Fluvial Erosional Landforms are landforms created by the erosional activity of rivers. With reference to this, match the following pairs:
Erosion type Action
A) Hydration 1) Solid river load striking against rocks and wearing them down.
B) Corrasion 2) The force of running water wearing down rocks.
C) Attrition 3) River load particles striking, colliding against each other and breaking down in the process.
Select the correct answer using the code given below.
Codes:
A B CCorrectFluvial Erosional Landforms
• Fluvial Erosional Landforms are landforms created by the erosional activity of rivers.Various aspects of fluvial erosive action include:
• Hydration: the force of running water wearing down rocks.
• Corrosion: chemical action that leads to weathering.
• Attrition: river load particles striking, colliding against each other and breaking down in the process.
• Corrasion or abrasion: solid river load striking against rocks and wearing them down.
• Downcutting (vertical erosion): the erosion of the base of a stream (downcutting leads to valley deepening).
• Lateral erosion: the erosion of the walls of a stream (leads to valley widening).
• Headward erosion: erosion at the origin of a stream channel, which causes the origin to move back away from the direction of the stream flow, and so causes the stream channel to lengthen.IncorrectFluvial Erosional Landforms
• Fluvial Erosional Landforms are landforms created by the erosional activity of rivers.Various aspects of fluvial erosive action include:
• Hydration: the force of running water wearing down rocks.
• Corrosion: chemical action that leads to weathering.
• Attrition: river load particles striking, colliding against each other and breaking down in the process.
• Corrasion or abrasion: solid river load striking against rocks and wearing them down.
• Downcutting (vertical erosion): the erosion of the base of a stream (downcutting leads to valley deepening).
• Lateral erosion: the erosion of the walls of a stream (leads to valley widening).
• Headward erosion: erosion at the origin of a stream channel, which causes the origin to move back away from the direction of the stream flow, and so causes the stream channel to lengthen. - Question 5 of 5
5. Question
Consider the following statements regarding Madden-Julian Oscillation (MJO):
1) It is an oceanic-atmospheric phenomenon which affects weather activities across the globe.
2) It’s a traversing phenomenon and is most prominent over the Atlantic Ocean
Which of the following statements is/are correct?CorrectAccording to India Met Department (IMD), the Arabian Sea arm of south-west monsoon is counting on an itinerant Madden-Julian Oscillation (MJO) wave for normal monsoon.
It is an oceanic-atmospheric phenomenon which affects weather activities across the globe. It brings major fluctuation in tropical weather on weekly to monthly timescales. Hence statement 1 is correct.
The MJO can be defined as an eastward moving ‘pulse’ of clouds, rainfall, winds and pressure near the equator that typically recurs every 30 to 60 days. It’s a traversing phenomenon and is most prominent over the Indian and Pacific Oceans. Hence statement 2 is incorrect.
Phases of Madden-Julian Oscillation
• The MJO consists of two parts or phases. Strong MJO activity often dissects the planet into halves. One half within the enhanced convective phase and the other half in the suppressed convective phase.
• Enhanced rainfall (or convective) phase: winds at the surface converge, and the air is pushed up throughout the atmosphere. At the top of the atmosphere, the winds reverse (i.e., diverge). Such rising air motion in the atmosphere tends to increase condensation and rainfall.
• Suppressed rainfall phase: winds converge at the top of the atmosphere, forcing air to sink and, later, to diverge at the surface. As air sinks from high altitudes, it warms and dries, which suppresses rainfall.
• It is this entire dipole structure, that moves west to east with time in the Tropics, causing more cloudiness, rainfall, and even storminess in the enhanced convective phase, and more sunshine and dryness in the suppressed convective phase.IncorrectAccording to India Met Department (IMD), the Arabian Sea arm of south-west monsoon is counting on an itinerant Madden-Julian Oscillation (MJO) wave for normal monsoon.
It is an oceanic-atmospheric phenomenon which affects weather activities across the globe. It brings major fluctuation in tropical weather on weekly to monthly timescales. Hence statement 1 is correct.
The MJO can be defined as an eastward moving ‘pulse’ of clouds, rainfall, winds and pressure near the equator that typically recurs every 30 to 60 days. It’s a traversing phenomenon and is most prominent over the Indian and Pacific Oceans. Hence statement 2 is incorrect.
Phases of Madden-Julian Oscillation
• The MJO consists of two parts or phases. Strong MJO activity often dissects the planet into halves. One half within the enhanced convective phase and the other half in the suppressed convective phase.
• Enhanced rainfall (or convective) phase: winds at the surface converge, and the air is pushed up throughout the atmosphere. At the top of the atmosphere, the winds reverse (i.e., diverge). Such rising air motion in the atmosphere tends to increase condensation and rainfall.
• Suppressed rainfall phase: winds converge at the top of the atmosphere, forcing air to sink and, later, to diverge at the surface. As air sinks from high altitudes, it warms and dries, which suppresses rainfall.
• It is this entire dipole structure, that moves west to east with time in the Tropics, causing more cloudiness, rainfall, and even storminess in the enhanced convective phase, and more sunshine and dryness in the suppressed convective phase.
