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Puucho STATIC QUIZ 2020 – 21
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Question 1 of 5
Consider the following statements.
- India is prone to heat waves conditions, which is declared only when the maximum temperatures rise over 10 degrees from normal recorded at a location.
- La Nina favours cooler than normal temperatures and it is the only dominating factor affecting the temperature of a place during summer months.
Which of the above statements is/are correct?
CorrectSolution: d)
India is prone to heat waves conditions, which is declared when the maximum temperatures rise over 4 degrees from normal recorded at a location.
What role will La Nina play?
La Nina is a Pacific Ocean phenomenon when the sea surface temperatures along its central and equatorial belt remain cooler than normal. Even though higher temperatures are associated with El Nino and the opposite scenario for La Nina, both these ocean conditions influence temperatures globally.
“La Nina favours cooler than normal temperatures and it is not the only dominating factor affecting the temperatures during summer months. There are other atmospheric and ocean parameters, local wind factors all of which together decide the temperatures during summer season over India.”
IncorrectSolution: d)
India is prone to heat waves conditions, which is declared when the maximum temperatures rise over 4 degrees from normal recorded at a location.
What role will La Nina play?
La Nina is a Pacific Ocean phenomenon when the sea surface temperatures along its central and equatorial belt remain cooler than normal. Even though higher temperatures are associated with El Nino and the opposite scenario for La Nina, both these ocean conditions influence temperatures globally.
“La Nina favours cooler than normal temperatures and it is not the only dominating factor affecting the temperatures during summer months. There are other atmospheric and ocean parameters, local wind factors all of which together decide the temperatures during summer season over India.”
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Question 2 of 5
Consider the following statements regarding Earthquake.
- All natural earthquakes take place in the lithosphere.
- The surface waves are more destructive.
- The denser the material, the lower is the velocity of the earthquake waves.
Which of the above statements is/are correct?
CorrectSolution: a)
All natural earthquakes take place in the lithosphere.
Earthquake waves are basically of two types — body waves and surface waves. Body waves are generated due to the release of energy at the focus and move in all directions travelling through the body of the earth. The body waves interact with the surface rocks and generate new set of waves called surface waves. These waves move along the surface. The velocity of waves changes as they travel through materials with different densities. The denser the material, the higher is the velocity.
The surface waves are the last to report on seismograph. These waves are more destructive. They cause displacement of rocks, and hence, the collapse of structures occurs.
IncorrectSolution: a)
All natural earthquakes take place in the lithosphere.
Earthquake waves are basically of two types — body waves and surface waves. Body waves are generated due to the release of energy at the focus and move in all directions travelling through the body of the earth. The body waves interact with the surface rocks and generate new set of waves called surface waves. These waves move along the surface. The velocity of waves changes as they travel through materials with different densities. The denser the material, the higher is the velocity.
The surface waves are the last to report on seismograph. These waves are more destructive. They cause displacement of rocks, and hence, the collapse of structures occurs.
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Question 3 of 5
Consider the following statements regarding Jhelum River.
- Jhelum River forms a natural boundary between India and Pakistan.
- It forms Meanders even in the youth stage of river development.
- Wular Lake is situated on the Jhelum River.
Which of the above statements is/are correct?
CorrectSolution: c)
Jhelum in the valley of Kashmir is still in its youth stage and yet forms meanders – a typical feature associated with the mature stage in the evolution of fluvial land form. River Jhelum forms a natural boundary between India and Pakistan. Lake Wular is situated on the river Jhelum.
IncorrectSolution: c)
Jhelum in the valley of Kashmir is still in its youth stage and yet forms meanders – a typical feature associated with the mature stage in the evolution of fluvial land form. River Jhelum forms a natural boundary between India and Pakistan. Lake Wular is situated on the river Jhelum.
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Question 4 of 5
The eastern and western boundaries of the Pacific Ocean experience frequent earthquakes due to
CorrectSolution: c)
The Ring of Fire is a direct result of plate tectonics/ movement and collisions of lithospheric plates. Since the margins coincide with the plate margins, the continuous tectonic movements cause earthquakes.
IncorrectSolution: c)
The Ring of Fire is a direct result of plate tectonics/ movement and collisions of lithospheric plates. Since the margins coincide with the plate margins, the continuous tectonic movements cause earthquakes.
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Question 5 of 5
Which of the following will increase the strength of a cyclone?
- Absence of cloud formation
- Heat released from condensation of water vapour
- Decline in the temperature of sea water
Select the correct answer code:
CorrectSolution: b)
Before cloud formation, water takes up heat from the atmosphere to change into vapour. When water vapour changes back to liquid form as raindrops, this heat is released to the atmosphere. The heat released to the atmosphere warms the air around. The air tends to rise and causes a drop in pressure. More air rushes to the centre of the storm. This cycle is repeated. The chain of events ends with the formation of a very low- pressure system with very high-speed winds revolving around it. It is this weather condition that we call a cyclone.
Absence of clouds reduces the strength of a cyclone.
Lowering temperature of sea water will reduce formation of water vapour and increase the pressure of the eye of cyclone. This will reduce the strength instead of increasing it.
IncorrectSolution: b)
Before cloud formation, water takes up heat from the atmosphere to change into vapour. When water vapour changes back to liquid form as raindrops, this heat is released to the atmosphere. The heat released to the atmosphere warms the air around. The air tends to rise and causes a drop in pressure. More air rushes to the centre of the storm. This cycle is repeated. The chain of events ends with the formation of a very low- pressure system with very high-speed winds revolving around it. It is this weather condition that we call a cyclone.
Absence of clouds reduces the strength of a cyclone.
Lowering temperature of sea water will reduce formation of water vapour and increase the pressure of the eye of cyclone. This will reduce the strength instead of increasing it.
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