Static Quiz 21 January 2023
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Static Quiz 21 January 2023 for UPSC Prelims
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1. Question
Consider the following statements about red soils:
1. They are found in the northern part of the Kashmir Valley.
2. These soils develop in areas with low rainfall.
3. These soils are poor in phosphorous.
Which of the statements given above is/are correct?CorrectAnswer: C
• Red soil develops on the crystalline igneous rocks in areas of low rainfall in the eastern and southern parts of the Deccan Plateau.
• Along the piedmont zone of the Western Ghats, long stretch of area is occupied by red loamy soil. Yellow and red soils are also found in parts of Odisha and Chhattisgarh, and in the southern parts of the middle Ganga plain.
• They are generally poor in nitrogen, phosphorous and humus.IncorrectAnswer: C
• Red soil develops on the crystalline igneous rocks in areas of low rainfall in the eastern and southern parts of the Deccan Plateau.
• Along the piedmont zone of the Western Ghats, long stretch of area is occupied by red loamy soil. Yellow and red soils are also found in parts of Odisha and Chhattisgarh, and in the southern parts of the middle Ganga plain.
• They are generally poor in nitrogen, phosphorous and humus. - Question 2 of 5
2. Question
Which of the following about the tectonic ‘Indian Plate’ is NOT correct?
CorrectSolution: C
Justification: Plates are divided between major and minor plates based on their geographical coverage. The Indian plate is thus a major plate. So, (a) is correct. The subduction zone along the Himalayas forms the northern plate boundary in the form of continent convergence. So, (b) is correct. The peninsular plate is an integral part of the Indian plate. So, (c) is incorrect. In the east, it extends through the Rakinyoma Mountains of Myanmar towards the island arc along the Java Trench. The Western margin follows the Kirthar Mountain of Pakistan. So, (d) is correctIncorrectSolution: C
Justification: Plates are divided between major and minor plates based on their geographical coverage. The Indian plate is thus a major plate. So, (a) is correct. The subduction zone along the Himalayas forms the northern plate boundary in the form of continent convergence. So, (b) is correct. The peninsular plate is an integral part of the Indian plate. So, (c) is incorrect. In the east, it extends through the Rakinyoma Mountains of Myanmar towards the island arc along the Java Trench. The Western margin follows the Kirthar Mountain of Pakistan. So, (d) is correct - Question 3 of 5
3. Question
Lithospheric plates move around very slowly – just a few millimeters each year. What is the reason behind this movement?
CorrectSolution: B
Justification: The lithosphere is broken into a number of plates known as the Lithospheric plates. The molten magma inside the earth moves in a circular manner. These plates move because of the movement of the molten magma inside the earth. Lateral movements between lithospheric plates create transform faults at the sites of plate slippage.IncorrectSolution: B
Justification: The lithosphere is broken into a number of plates known as the Lithospheric plates. The molten magma inside the earth moves in a circular manner. These plates move because of the movement of the molten magma inside the earth. Lateral movements between lithospheric plates create transform faults at the sites of plate slippage. - Question 4 of 5
4. Question
Which of the following statements is/are correct about the Moist Deciduous forests?
1. Moist Deciduous forests are found in the north-eastern states, along the foothills of the Himalayas.
2. They cover regions which receive annual rainfall between 70 – 100 cm.
3. Teak, Sal and Shisham are the main species of these forests.
Select the correct answer using the code given below:CorrectAnswer: B
• Moist Deciduous forests are more pronounced in the regions which record annual rainfall between 100 – 200 cm.
• These forests are found in the north- eastern states, along the foothills of the Himalayas, eastern slopes of the Western Ghats and Odisha.
• Teak, sal, shisham, hurra, mahua, amla, semul, kusum and sandalwood etc. are the main species of these forests.IncorrectAnswer: B
• Moist Deciduous forests are more pronounced in the regions which record annual rainfall between 100 – 200 cm.
• These forests are found in the north- eastern states, along the foothills of the Himalayas, eastern slopes of the Western Ghats and Odisha.
• Teak, sal, shisham, hurra, mahua, amla, semul, kusum and sandalwood etc. are the main species of these forests. - Question 5 of 5
5. Question
Consider the following statements.
(1) The crust is richer in Silicon than it is in oxygen and iron.
(2) The crust is relatively enriched in less dense compounds and relatively depleted in iron compared to the rest of the earth.
Which of the above is/are correct?CorrectSolution: B
Justification: The most common chemical elements in the crust are oxygen (46.6%), silicon (27.7), aluminum (8.1), iron (5.0), calcium (3.6), potassium (2.8), sodium (2.6), and magnesium (2.1). Typical mantle rocks have higher magnesium to iron ratio and a smaller proportion of silicon and aluminum than the crust. The solid, inner core of the earth is iron and has a radius of about 760 miles. It is surrounded by a liquid, outer core composed of a nickel-iron alloy.IncorrectSolution: B
Justification: The most common chemical elements in the crust are oxygen (46.6%), silicon (27.7), aluminum (8.1), iron (5.0), calcium (3.6), potassium (2.8), sodium (2.6), and magnesium (2.1). Typical mantle rocks have higher magnesium to iron ratio and a smaller proportion of silicon and aluminum than the crust. The solid, inner core of the earth is iron and has a radius of about 760 miles. It is surrounded by a liquid, outer core composed of a nickel-iron alloy.
