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Introduction to Physiographic Regions MCQs for UPPSC (UP) Exam
It covers all Important Questions with answers on Introduction to Physiographic Regions for the UPPSC (UP) exam. The questions are based on important topics. Details about the questions:- Topic: Introduction to Physiographic Regions
- Type of Questions: MCQs with solutions
- Number of Questions: 50
- You can attempt them on EduRev to score high in UPPSC (UP) exam.
Many places in India are famous for particular minerals. Which of these pairs are correctly matched?1. Zawar : Uranium2. Khetri : Copper3. Balaghat : Manganese4. Jaduguda : ZincSelect the correct answer using the codes given below.- a)1 and 2 only
- b)1 and 3 only
- c)1 and 4 only
- d)2 and 3 only
Correct answer is option 'D'. Can you explain this answer?
Many places in India are famous for particular minerals. Which of these pairs are correctly matched?
1. Zawar : Uranium
2. Khetri : Copper
3. Balaghat : Manganese
4. Jaduguda : Zinc
Select the correct answer using the codes given below.
a)
1 and 2 only
b)
1 and 3 only
c)
1 and 4 only
d)
2 and 3 only
 | Ankita Jawale answered |
Khatri nagar which is located 10 km far from khatri known as 'Tamba project (copper project ) khatri nagar was built by Hindustan copper Limited which is a public sector under the "Government of India" and user his jurisdiction. India contributes 2 % in worlds copper production.
Balaghat distric of M.P is famous for production of manganese . About 80% of the manganese production in India comes from Balaghat. zawar is famous for zinc mines created by Hindustan Zinc Limited.
Balaghat distric of M.P is famous for production of manganese . About 80% of the manganese production in India comes from Balaghat. zawar is famous for zinc mines created by Hindustan Zinc Limited.
The direction of wind around a low pressure in northern hemisphere is:- a)Clockwise
- b)Perpendicular to isobars
- c)Anti-clock wise
- d)Parallel to isobars
Correct answer is option 'C'. Can you explain this answer?
The direction of wind around a low pressure in northern hemisphere is:
a)
Clockwise
b)
Perpendicular to isobars
c)
Anti-clock wise
d)
Parallel to isobars
 | Shreya Mehta answered |
Low pressure systems are characterized by rising air that cools and condenses to form clouds and precipitation. As air rises in a low pressure system, it creates a region of lower pressure at the surface. Air flows from areas of higher pressure to areas of lower pressure, so in the Northern Hemisphere, air flows towards a low pressure system in a counterclockwise direction.
Explanation:
Coriolis Effect:
The Coriolis Effect is an important factor in the movement of air around low pressure systems. The Coriolis Effect is a result of the Earth's rotation on its axis, which causes objects in the Northern Hemisphere to be deflected to the right of their intended path. This means that air flowing towards a low pressure system in the Northern Hemisphere will be deflected to the right, causing it to flow in a counterclockwise direction around the low pressure system.
Rising Air:
As air rises in a low pressure system, it creates a region of lower pressure at the surface. Air flows from areas of higher pressure to areas of lower pressure, so in the Northern Hemisphere, air flows towards a low pressure system. This air is deflected to the right by the Coriolis Effect, causing it to flow in a counterclockwise direction around the low pressure system.
Conclusion:
In conclusion, the direction of wind around a low pressure system in the Northern Hemisphere is counterclockwise. This is due to the Coriolis Effect, which causes air to be deflected to the right in the Northern Hemisphere. As air flows towards a low pressure system, it is deflected to the right, causing it to flow in a counterclockwise direction around the low pressure system.
Explanation:
Coriolis Effect:
The Coriolis Effect is an important factor in the movement of air around low pressure systems. The Coriolis Effect is a result of the Earth's rotation on its axis, which causes objects in the Northern Hemisphere to be deflected to the right of their intended path. This means that air flowing towards a low pressure system in the Northern Hemisphere will be deflected to the right, causing it to flow in a counterclockwise direction around the low pressure system.
Rising Air:
As air rises in a low pressure system, it creates a region of lower pressure at the surface. Air flows from areas of higher pressure to areas of lower pressure, so in the Northern Hemisphere, air flows towards a low pressure system. This air is deflected to the right by the Coriolis Effect, causing it to flow in a counterclockwise direction around the low pressure system.
Conclusion:
In conclusion, the direction of wind around a low pressure system in the Northern Hemisphere is counterclockwise. This is due to the Coriolis Effect, which causes air to be deflected to the right in the Northern Hemisphere. As air flows towards a low pressure system, it is deflected to the right, causing it to flow in a counterclockwise direction around the low pressure system.
Days and nights are equal throughout the globe when the sun is above: - a)Poles
- b)Equator
- c)Tropic of Cancer
- d)Tropic of Capricorn
Correct answer is option 'B'. Can you explain this answer?
Days and nights are equal throughout the globe when the sun is above:
a)
Poles
b)
Equator
c)
Tropic of Cancer
d)
Tropic of Capricorn
 | Saanvi Reddy answered |
Explanation: An equinox is an astronomical event in which the plane of Earth's equator passes through the center of the Sun, which occurs twice each year, around 20 March and 23 September. On an equinox, day and night are of approximately equal duration all over the planet
A piece of land surrounded by water from all sides in an ocean, sea, lake or river, is called- a)Estuary
- b)An island
- c)Peninsula
- d)None of these
Correct answer is option 'B'. Can you explain this answer?
A piece of land surrounded by water from all sides in an ocean, sea, lake or river, is called
a)
Estuary
b)
An island
c)
Peninsula
d)
None of these
 | Alok Verma answered |
A piece of land that is completely surrounded by water on all sides is known as an island.
A peninsula is a piece of land that is bordered by water on three sides but connected to the mainland. Peninsulas are formed through a gradual rise in water level, surrounding land at low elevation.
A peninsula is a piece of land that is bordered by water on three sides but connected to the mainland. Peninsulas are formed through a gradual rise in water level, surrounding land at low elevation.
An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea.
Temperature increases in ________- a)Stratosphere
- b)Thermosphere
- c)Both (a) & (b)
- d)None of these
Correct answer is option 'C'. Can you explain this answer?
Temperature increases in ________
a)
Stratosphere
b)
Thermosphere
c)
Both (a) & (b)
d)
None of these
| | Sandip Jadhav answered |
In stratosphere the ozone layer is present which absorbs UV radiations coming from sun, results in increase of temperature up to 4 degree Celsius.
In case of thermosphere (ionosphere) gas molecules are present which absorbs X Ray's and UV rays causing temp. rise upto 1480 degree Celsius.
In case of thermosphere (ionosphere) gas molecules are present which absorbs X Ray's and UV rays causing temp. rise upto 1480 degree Celsius.
Which of the following is/are not characteristics of El nino?- a)Increased surface pressure over the Indian Ocean, Australia and Indonesia
- b)Rise in warm air near Peru
- c)Fall in air pressure over eastern and central Pacific ocean and Tahiti.
- d)Below-average sea surface temperatures across the east-central Equatorial Pacific
Correct answer is option 'D'. Can you explain this answer?
Which of the following is/are not characteristics of El nino?
a)
Increased surface pressure over the Indian Ocean, Australia and Indonesia
b)
Rise in warm air near Peru
c)
Fall in air pressure over eastern and central Pacific ocean and Tahiti.
d)
Below-average sea surface temperatures across the east-central Equatorial Pacific
| | Puja Sengupta answered |
Explanation: Below-average sea surface temperatures across the east-central Equatorial Pacific is a characteristic of La Nina which is anti El-Nino.
The largest of all plates is _____ plate.- a)Eurasian
- b)North American
- c)Pacific
- d)None of these
Correct answer is option 'C'. Can you explain this answer?
The largest of all plates is _____ plate.
a)
Eurasian
b)
North American
c)
Pacific
d)
None of these
 | Vaibhav Chauhan answered |
Explanation: The Pacific Plate is an oceanic tectonic plate that lies beneath the Pacific Ocean. At 103 million square kilometers, it is the largest tectonic plate.
The earth reaches its perihelion in:- a)October
- b)September
- c)July
- d)January
Correct answer is option 'D'. Can you explain this answer?
The earth reaches its perihelion in:
a)
October
b)
September
c)
July
d)
January
| | Sanchita Bose answered |
Explanation: When the earth is closest to the sun (perihelion), around 3rd January each year
With reference to International Date Line (IDL), consider the following statements:1. A traveller crossing the International Date Line from east to west gains a day and while crossing the dateline from west to east he loses a day.2. The International Date Line I the mid-Pacific curves from the normal 180-degree meridian at the Bering Strait, Fiji, Tonga and other islands to prevent confusion of the day and date in some of the groups that are cut through by the meridian. Which of the statements given above is/are correct?- a) 1 only
- b) Neither 1 nor 2
- c) 2 only
- d)Both 1 and 2
Correct answer is option 'D'. Can you explain this answer?
With reference to International Date Line (IDL), consider the following statements:
1. A traveller crossing the International Date Line from east to west gains a day and while crossing the dateline from west to east he loses a day.
2. The International Date Line I the mid-Pacific curves from the normal 180-degree meridian at the Bering Strait, Fiji, Tonga and other islands to prevent confusion of the day and date in some of the groups that are cut through by the meridian.
Which of the statements given above is/are correct?
a)
1 only
b)
Neither 1 nor 2
c)
2 only
d)
Both 1 and 2
| | Sonal Basak answered |
- Crossing the International Date Line from east to west, you gain a day. From west to east, you lose a day. This is due to the way time zones are structured globally.
- The International Date Line isn't a straight line. It deviates around the Bering Strait, Fiji, Tonga, and other islands to avoid splitting countries or islands into different days, minimizing confusion.
- Both statements are accurate, confirming why the correct answer is D: Both 1 and 2.
- The International Date Line isn't a straight line. It deviates around the Bering Strait, Fiji, Tonga, and other islands to avoid splitting countries or islands into different days, minimizing confusion.
- Both statements are accurate, confirming why the correct answer is D: Both 1 and 2.
Correct answer is D.
Consider the following towns:1. Karachi2. Dhaka3. Mandalay4. JodhpurWhich of the following is the correct order of the towns from north to south ?- a)4 1 2 3
- b)4 3 2 1
- c)1 2 3 4
- d)4 2 3 1
Correct answer is option 'A'. Can you explain this answer?
Consider the following towns:
1. Karachi
2. Dhaka
3. Mandalay
4. Jodhpur
Which of the following is the correct order of the towns from north to south ?
a)
4 1 2 3
b)
4 3 2 1
c)
1 2 3 4
d)
4 2 3 1
| | Saanvi Mehta answered |
To accurately determine the order from north to south, we should verify the latitudes once more:
- Mandalay, Myanmar: Latitude approximately 21.98° N
- Dhaka, Bangladesh: Latitude approximately 23.81° N
- Karachi, Pakistan: Latitude approximately 24.86° N
- Jodhpur, India: Latitude approximately 26.29° N
Correct order from north to south:
- Jodhpur (26.29° N) - The northernmost town.
- Karachi (24.86° N) - Further south than Jodhpur but north of Dhaka.
- Dhaka (23.81° N) - Further south than Karachi.
- Mandalay (21.98° N) - The southernmost town.
So, the correct order from north to south is:
- Jodhpur
- Karachi
- Dhaka
- Mandalay
Consider the following statements about forests soils :1. They are rich in humus2. They are deficient in phosphorous and potashWhich of the statements given above is/are correct ?- a)1 only
- b)2 only
- c)Neither 1 nor 2
- d)Both 1 and 2
Correct answer is option 'D'. Can you explain this answer?
Consider the following statements about forests soils :
1. They are rich in humus
2. They are deficient in phosphorous and potash
Which of the statements given above is/are correct ?
a)
1 only
b)
2 only
c)
Neither 1 nor 2
d)
Both 1 and 2
| | Akash Majumdar answered |
Explanation:
1. Rich in humus:
- Forest soils are typically rich in organic matter, including humus, which is formed from the decomposition of plant and animal materials.
- Humus helps to improve soil structure, fertility, and moisture retention, making forest soils ideal for supporting diverse plant and animal life.
2. Deficient in phosphorous and potash:
- While forest soils are generally nutrient-rich due to the presence of organic matter, they can be deficient in certain essential nutrients like phosphorous and potash.
- Phosphorous and potash are important for plant growth and development, and their deficiency can limit the productivity of forest ecosystems.
Conclusion:
Both statements are correct. Forest soils are rich in humus but may be deficient in phosphorous and potash, highlighting the importance of nutrient management in forest ecosystems.
1. Rich in humus:
- Forest soils are typically rich in organic matter, including humus, which is formed from the decomposition of plant and animal materials.
- Humus helps to improve soil structure, fertility, and moisture retention, making forest soils ideal for supporting diverse plant and animal life.
2. Deficient in phosphorous and potash:
- While forest soils are generally nutrient-rich due to the presence of organic matter, they can be deficient in certain essential nutrients like phosphorous and potash.
- Phosphorous and potash are important for plant growth and development, and their deficiency can limit the productivity of forest ecosystems.
Conclusion:
Both statements are correct. Forest soils are rich in humus but may be deficient in phosphorous and potash, highlighting the importance of nutrient management in forest ecosystems.
Which among the following is known as ” Doctor Wind”?- a)Loo
- b)Chinook
- c)Harmattan
- d)None of the above
Correct answer is option 'C'. Can you explain this answer?
Which among the following is known as ” Doctor Wind”?
a)
Loo
b)
Chinook
c)
Harmattan
d)
None of the above
| | Aravind Basu answered |
Answer: c
Explanation: The Harmattan is a dry and dusty northeasterly trade wind which blows from the Sahara Desert over the West African subcontinent into the Gulf of Guinea between the end of November and the middle of March (winter)
Which one of the following is the source region for the formation of air masses?- a) The Equatorial forest
- b) The Himalayas
- c) The Siberian Plain
- d)The Deccan Plateau
Correct answer is option 'C'. Can you explain this answer?
Which one of the following is the source region for the formation of air masses?
a)
The Equatorial forest
b)
The Himalayas
c)
The Siberian Plain
d)
The Deccan Plateau
 | Kanala Rajeswari answered |
Freebase. West West Siberian plain. The West Siberian plain, also known as Zapadno-sibirskaya Ravnina, is a large plain that occupies the western portion of siberia between the Ural Mountains in the west and the Yenisei River in the east, and by the Altay Mountains on the southeast.
Salinity is expressed as the amount of salt in grams dissolved in sea water per- a)10 gm
- b)1,000 gm
- c)100 gm
- d)10,000 gm
Correct answer is option 'B'. Can you explain this answer?
Salinity is expressed as the amount of salt in grams dissolved in sea water per
a)
10 gm
b)
1,000 gm
c)
100 gm
d)
10,000 gm
| | Vaibhav Chauhan answered |
Explanation: Salinity is the term used to define the total content of dissolved salts in sea water (Table 13.4). It is calculated as the amount of salt (in gm) dissolved in 1,000 gm (1 kg) of seawater. It is usually expressed as parts per thousand (o/oo) or ppt.
The International Date-line passes through the:- a)Bering Strait
- b)Florida Strait
- c)Gibraltar Strait
- d)Malacca Strait
Correct answer is option 'A'. Can you explain this answer?
The International Date-line passes through the:
a)
Bering Strait
b)
Florida Strait
c)
Gibraltar Strait
d)
Malacca Strait
| | S R Khan answered |
The International Date Line passes through the Bering Strait between the Diomede Island.
The sun is directly overhead at noon on 21st June at:- a) The equator
- b) 23.5° S
- c) 23.5° N
- d) 66.5° N
Correct answer is option 'C'. Can you explain this answer?
The sun is directly overhead at noon on 21st June at:
a)
The equator
b)
23.5° S
c)
23.5° N
d)
66.5° N
 | Rohit Jain answered |
The correct option is Option C.
At that time, sun's rays are overhead at the tropic of cancer (23.5°N). The Tropic of Cancer passes through the middle of India. It remains till the end of May in India. Before summer solstice i.e., 21st June, monsoon starts in India which brings a cooling effect to the climate of India.
At that time, sun's rays are overhead at the tropic of cancer (23.5°N). The Tropic of Cancer passes through the middle of India. It remains till the end of May in India. Before summer solstice i.e., 21st June, monsoon starts in India which brings a cooling effect to the climate of India.
With reference to laterite soil, consider the following statements:1. They are the result of intense leaching.2. They are poor in organic matter.Which of the statements given above is/are correct?- a) 1 only
- b) 2 only
- c) Both 1 and 2
- d) Neither 1 nor 2
Correct answer is option 'C'. Can you explain this answer?
With reference to laterite soil, consider the following statements:
1. They are the result of intense leaching.
2. They are poor in organic matter.
Which of the statements given above is/are correct?
a)
1 only
b)
2 only
c)
Both 1 and 2
d)
Neither 1 nor 2
| | Akanksha Ahuja answered |
Answer c)
Explanation: Laterite soil is primarily found in the tropical regions which receive heavy seasonal rainfall. High rainfall encourages the leaching of soil where lime and silica are leached away and a soil rich in oxides of aluminum predominate and abundance laterite is called bauxite. Due to the presence of iron oxides the colour of laterite soil is basically red. This soil is poor in organic matter and lime content.
Which of the following INCORRECT about cirrus clouds?- a) They formed at high altitudes
- b) They are thin and detatched clouds
- c) They are white and grey in colour
- d) None of the above
Correct answer is option 'C'. Can you explain this answer?
Which of the following INCORRECT about cirrus clouds?
a)
They formed at high altitudes
b)
They are thin and detatched clouds
c)
They are white and grey in colour
d)
None of the above
 | Preethi Shah answered |
Cirrus clouds are thin and detached clouds that form at high altitudes. They are composed of ice crystals and are typically white or light grey in color. However, option C states that they are white and grey in color, which is incorrect.
Explanation:
Cirrus clouds are high-level clouds that form above 20,000 feet (6,000 meters) in the atmosphere. They are often found in the upper troposphere and the lower stratosphere. These clouds are composed of ice crystals due to the extremely cold temperatures at these altitudes.
Cirrus clouds are characterized by their thin and wispy appearance. They have a fibrous or hair-like structure, which gives them a unique appearance in the sky. These clouds are often described as being "feathery" or "curly."
Although cirrus clouds are typically white or light grey in color, their appearance can vary depending on several factors such as the angle of the sun, the presence of other clouds, and the size and shape of the ice crystals within the cloud. Under certain lighting conditions, cirrus clouds can appear pink, orange, or even purple.
Cirrus clouds are commonly associated with fair weather conditions, but they can also indicate the approach of a warm front or an upper-level disturbance. They are often the first sign of an approaching weather system.
In summary, cirrus clouds are thin and detached clouds that form at high altitudes. They are composed of ice crystals and can appear white, light grey, or even have a tint of color depending on various factors. Option C, which states that they are white and grey in color, is incorrect.
Explanation:
Cirrus clouds are high-level clouds that form above 20,000 feet (6,000 meters) in the atmosphere. They are often found in the upper troposphere and the lower stratosphere. These clouds are composed of ice crystals due to the extremely cold temperatures at these altitudes.
Cirrus clouds are characterized by their thin and wispy appearance. They have a fibrous or hair-like structure, which gives them a unique appearance in the sky. These clouds are often described as being "feathery" or "curly."
Although cirrus clouds are typically white or light grey in color, their appearance can vary depending on several factors such as the angle of the sun, the presence of other clouds, and the size and shape of the ice crystals within the cloud. Under certain lighting conditions, cirrus clouds can appear pink, orange, or even purple.
Cirrus clouds are commonly associated with fair weather conditions, but they can also indicate the approach of a warm front or an upper-level disturbance. They are often the first sign of an approaching weather system.
In summary, cirrus clouds are thin and detached clouds that form at high altitudes. They are composed of ice crystals and can appear white, light grey, or even have a tint of color depending on various factors. Option C, which states that they are white and grey in color, is incorrect.
Albedo is the fraction of solar energy reflected from the Earth back into space. Consider the following :1. Fresh snow2. Ocean ice3. Rivers on high mountains.The correct order of their Albedo is:- a)1 > 2 > 3
- b)2 > 3 > 1
- c)2 > 1 > 3
- d)1 > 3 > 2
Correct answer is option 'A'. Can you explain this answer?
Albedo is the fraction of solar energy reflected from the Earth back into space. Consider the following :
1. Fresh snow
2. Ocean ice
3. Rivers on high mountains.
The correct order of their Albedo is:
a)
1 > 2 > 3
b)
2 > 3 > 1
c)
2 > 1 > 3
d)
1 > 3 > 2
| | Saanvi Mehta answered |
Answer: a)
Explanation: High-frequency radiowaves are reflected from the E layer. D layer is the lowest of the ionosphere layers, which absorbs the highest amount of harsh x-ray radiation. During the night, there is a minimal amount of ionization taking place. There is a high amount of energy dissipation because of rapid collisions of the ions. During day time all three- D, E and F layer are present, but D layer does not help in communication. This is because its density is greatly reduced. The D layer is normally not dense enough to reflect the radio waves. However, the E layer is, so the VLF signals go through the D layer, bounce off the E layer, and go back down through the D layer to the ground. The signals lose energy as they penetrate through the D layer and hence radios pick up weaker signals from the transmitter during the day.
Consider the following statements:- Seamount is a mountain with pointed summits, rising from the seafloor.
- Seamounts are of coral origin.
Which of the above statements is/ are correct?- a) Only 1
- b) Only 2
- c) Both 1 & 2
- d) None of the above
Correct answer is option 'B'. Can you explain this answer?
Consider the following statements:
- Seamount is a mountain with pointed summits, rising from the seafloor.
- Seamounts are of coral origin.
Which of the above statements is/ are correct?
a)
Only 1
b)
Only 2
c)
Both 1 & 2
d)
None of the above
| | Akshara Chavan answered |
Answer: b)
Explanation: Seamount is a mountain with pointed summits, rising from the seafloor that does not reach the surface of the ocean. Seamounts are volcanic in origin.
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