-by Pre Empower Sep 18 : Daily Quiz for Civil Services Prelims Examination
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Welcome to Pre Empower, your daily destination for mastering multiple-choice questions (MCQs) framed for Civil Services Examinations. Each day, we present a diverse set of carefully crafted MCQs to enhance your knowledge, boost your confidence, and prepare you for success in your civil services examinations of UPSC CSE and other State PCS like APSC, BPSC, UPPCS and others.
Questions have been designed as per the demands of examination that cover a wide range of topics, including General Studies, Current Affairs, and Aptitude for CSAT. With Pre Empower, you’ll not only test your understanding but also develop critical thinking skills essential for tackling the challenges of the Preliminary exam in the best possible manner.
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Question 1 of 5
1. Question
The Western Ghats are locally known by different names. In this context, consider the following pairs:
Local name Region
1. Sahyadri : Maharashtra
2. Nilgiri : Tamil Nadu
3. Anamalai : Karnataka
Which of the pairs given above is/are correctly matched?Correct
Answer: The correct option is A.
Explanation: The Western Ghats are locally known by different names such as Sahyadri in Maharashtra, Nilgiri hills in Karnataka, and Tamil Nadu and Anaimalai hills and Cardamom hills in Kerala.- The Western Ghats are comparatively higher in elevation and more continuous than the Eastern Ghats.
- Their average elevation is about 1,500 m with the height increasing from north to south.
- ‘Anaimudi’ (2,695 m), the highest peak of the Peninsular plateau, is located on the Anaimalai Hills of the Western Ghats followed by Dodabetta (2,637 m) on the Nilgiri hills.
Incorrect
Answer: The correct option is A.
Explanation: The Western Ghats are locally known by different names such as Sahyadri in Maharashtra, Nilgiri hills in Karnataka, and Tamil Nadu and Anaimalai hills and Cardamom hills in Kerala.- The Western Ghats are comparatively higher in elevation and more continuous than the Eastern Ghats.
- Their average elevation is about 1,500 m with the height increasing from north to south.
- ‘Anaimudi’ (2,695 m), the highest peak of the Peninsular plateau, is located on the Anaimalai Hills of the Western Ghats followed by Dodabetta (2,637 m) on the Nilgiri hills.
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Question 2 of 5
2. Question
Which of the following are the effects of the Himalayan Mountains on Indian climate?
1. It protects the subcontinent from the cold northern winds.
2. It traps the monsoon winds, forcing them to shed their moisture within the subcontinent.
3. It creates different air pressure zones causing a reversal in the direction of monsoon winds.
Select the correct answer using the code given below:Correct
Answer: The correct option is A.
Explanation: Himalayan mountain range in Asia separates the plains of the Indian subcontinent from the Tibetan Plateau. They act as a climatic divide between the Indian subcontinent and Central Asia. They cast an important influence on Indian climate by:- protecting the subcontinent from the cold northern winds blowing from as far as Siberia. Hence, statement 1 is correct.
- trapping the monsoon winds, forcing them to shed their moisture within the subcontinent. Hence, statement 2 is correct.
- Differential heating of land and sea and the shift of ITCZ is responsible for creating different air pressure zones causing a reversal in the direction of monsoon winds. Hence, statement 3 is not correct.
Incorrect
Answer: The correct option is A.
Explanation: Himalayan mountain range in Asia separates the plains of the Indian subcontinent from the Tibetan Plateau. They act as a climatic divide between the Indian subcontinent and Central Asia. They cast an important influence on Indian climate by:- protecting the subcontinent from the cold northern winds blowing from as far as Siberia. Hence, statement 1 is correct.
- trapping the monsoon winds, forcing them to shed their moisture within the subcontinent. Hence, statement 2 is correct.
- Differential heating of land and sea and the shift of ITCZ is responsible for creating different air pressure zones causing a reversal in the direction of monsoon winds. Hence, statement 3 is not correct.
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Question 3 of 5
3. Question
In the context of Indian geography, Karewas are:
Correct
Answer: The correct option is A.
Explanation: Karewas are the thick deposits of glacial clay and other materials embedded with moraines.- To be more precise, Karewas are lacustrine deposits.
- According to geographers, the Karewa Formation is glacial- fluvial-lacustrine and aeolian loess of Plio-Pleistocene age.
- The Kashmir Himalayas are also famous for Karewa formations, which are useful for the cultivation of Zafran, a local variety of saffron.
- It lies between the Pir Panjal Range and the Great Himalayan Range, in Northwest India. Hence option (a) is the correct answer.
Incorrect
Answer: The correct option is A.
Explanation: Karewas are the thick deposits of glacial clay and other materials embedded with moraines.- To be more precise, Karewas are lacustrine deposits.
- According to geographers, the Karewa Formation is glacial- fluvial-lacustrine and aeolian loess of Plio-Pleistocene age.
- The Kashmir Himalayas are also famous for Karewa formations, which are useful for the cultivation of Zafran, a local variety of saffron.
- It lies between the Pir Panjal Range and the Great Himalayan Range, in Northwest India. Hence option (a) is the correct answer.
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Question 4 of 5
4. Question
In which of the following plate boundaries, new crust formation takes place?
1. Convergent Boundaries
2. Divergent Boundaries
3. Transform Boundaries
Select the correct answer using the code given below:Correct
Answer: The correct option is B.
Explanation: There are three types of plate boundaries:- Convergent Boundaries: Where the crust is destroyed as one plate dives under another. The location where the sinking of a plate occurs is called a subduction zone. There are three ways in which convergence can occur. These are: (i) between an oceanic and continental plate; (ii) between two oceanic plates; and (iii) between two continental plates.
- Divergent Boundaries: Where a new crust is generated as the plates pull away from each other. The sites where the plates move away from each other are called spreading sites. The best-known example of divergent boundaries is the Mid-Atlantic Ridge. At this, the American Plate(s) is/are separated from the Eurasian and African Plates.
- Transform Boundaries: Where the crust is neither produced nor destroyed as the plates slide horizontally past each other. Transform faults are the planes of separation generally perpendicular to the midoceanic ridges. As the eruptions do not take all along the entire crest at the same time, there is a differential movement of a portion of the plate away from the axis of the earth. Also, the rotation of the earth has its effect on the separated blocks of the plate portions.
Incorrect
Answer: The correct option is B.
Explanation: There are three types of plate boundaries:- Convergent Boundaries: Where the crust is destroyed as one plate dives under another. The location where the sinking of a plate occurs is called a subduction zone. There are three ways in which convergence can occur. These are: (i) between an oceanic and continental plate; (ii) between two oceanic plates; and (iii) between two continental plates.
- Divergent Boundaries: Where a new crust is generated as the plates pull away from each other. The sites where the plates move away from each other are called spreading sites. The best-known example of divergent boundaries is the Mid-Atlantic Ridge. At this, the American Plate(s) is/are separated from the Eurasian and African Plates.
- Transform Boundaries: Where the crust is neither produced nor destroyed as the plates slide horizontally past each other. Transform faults are the planes of separation generally perpendicular to the midoceanic ridges. As the eruptions do not take all along the entire crest at the same time, there is a differential movement of a portion of the plate away from the axis of the earth. Also, the rotation of the earth has its effect on the separated blocks of the plate portions.
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Question 5 of 5
5. Question
With reference to the difference between continental and oceanic crusts, consider the following statements:
1. The main mineral constituents of the continental mass are silica and magnesium while the oceanic crust mainly consists of silica and aluminium.
2. The continental crust is composed mostly of granite while the oceanic crust mostly consists of a volcanic lava rock called basalt.
Which of the statements given above is/are correct?Correct
Answer: The correct answer is B.
Explanation:- Statement 1 is not correct: The uppermost layer over the earth’s surface is called the crust. It is the thinnest of all the layers. It is about 35 km. on the continental masses and only 5 km. on the ocean floors. The main mineral constituents of the continental mass are silica and alumina. It is thus called sial (si-silica and al-alumina). The oceanic crust mainly consists of silica and magnesium; it is therefore called sima (si-silica and ma-magnesium).
- Statement 2 is correct: The crust is composed of two basic rock types granite and basalt. The continental crust is composed mostly of granite. The oceanic crust consists of a volcanic lava rock called basalt. Basaltic rocks of the ocean plates are much denser and heavier than the granitic rock of the continental plates.
Incorrect
Answer: The correct answer is B.
Explanation:- Statement 1 is not correct: The uppermost layer over the earth’s surface is called the crust. It is the thinnest of all the layers. It is about 35 km. on the continental masses and only 5 km. on the ocean floors. The main mineral constituents of the continental mass are silica and alumina. It is thus called sial (si-silica and al-alumina). The oceanic crust mainly consists of silica and magnesium; it is therefore called sima (si-silica and ma-magnesium).
- Statement 2 is correct: The crust is composed of two basic rock types granite and basalt. The continental crust is composed mostly of granite. The oceanic crust consists of a volcanic lava rock called basalt. Basaltic rocks of the ocean plates are much denser and heavier than the granitic rock of the continental plates.
