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Question 1 of 5
1. Question
The Himalayan Mountains are an example of
Correct
Solution: c)
The Himalayan mountain range and Tibetan plateau have formed as a result of the collision between the Indian Plate and Eurasian Plate which began 50 million years ago and continues today.
The Himalayas are still rising by more than 1 cm per year as India continues to move northwards into Asia, which explains the occurrence of shallow focus earthquakes in the region today.
Incorrect
Solution: c)
The Himalayan mountain range and Tibetan plateau have formed as a result of the collision between the Indian Plate and Eurasian Plate which began 50 million years ago and continues today.
The Himalayas are still rising by more than 1 cm per year as India continues to move northwards into Asia, which explains the occurrence of shallow focus earthquakes in the region today.
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Question 2 of 5
2. Question
Consider the following pairs:
Peak Hills/ Range
- Mt. Abu : Aravalli
- Kangchenjunga : Western Himalayas
- Anamudi : Nilgiris
Which of the pairs given above is/are correctly matched?
Correct
Solution: a)
Anamudi peak is located in Annamalai hills and Kangchenjunga is located in Eastern Himalayas.
Incorrect
Solution: a)
Anamudi peak is located in Annamalai hills and Kangchenjunga is located in Eastern Himalayas.
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Question 3 of 5
3. Question
Which of the following statements describes the Radial drainage pattern.
Correct
Solution: d)
Important Drainage Patterns
(i) The drainage pattern resembling the branches of a tree is known as “dendritic” the examples of which are the rivers of northern plain.
(ii) When the rivers originate from a hill and flow in all directions, the drainage pattern is known as ‘radial’. The rivers originating from the Amarkantak range present a good example of it.
(iii) When the primary tributaries of rivers flow parallel to each other and secondary tributaries join them at right angles, the pattern is known as ‘trellis’.
(iv) When the rivers discharge their waters from all directions in a lake or depression, the pattern is known as ‘centripetal’.
Incorrect
Solution: d)
Important Drainage Patterns
(i) The drainage pattern resembling the branches of a tree is known as “dendritic” the examples of which are the rivers of northern plain.
(ii) When the rivers originate from a hill and flow in all directions, the drainage pattern is known as ‘radial’. The rivers originating from the Amarkantak range present a good example of it.
(iii) When the primary tributaries of rivers flow parallel to each other and secondary tributaries join them at right angles, the pattern is known as ‘trellis’.
(iv) When the rivers discharge their waters from all directions in a lake or depression, the pattern is known as ‘centripetal’.
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Question 4 of 5
4. Question
In which of these regions, you are most likely to find a plant with breathing roots?
Correct
Solution: a)
Compared to other plants mangroves differ visually especially by their famous and typical aerial roots and biologically through the ability to grow in saline areas.
Aerial roots are roots with abilities such as enabling primary gas exchange in oxygen-poor soils.
Incorrect
Solution: a)
Compared to other plants mangroves differ visually especially by their famous and typical aerial roots and biologically through the ability to grow in saline areas.
Aerial roots are roots with abilities such as enabling primary gas exchange in oxygen-poor soils.
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Question 5 of 5
5. Question
What reasons can explain more number of debris avalanche in the Himalayas as compared to the Western Ghats?
- The Himalayas are tectonically active.
- The slopes are very steep in Himalayas as compared to Western Ghats.
- Himalayas are mostly made up of metamorphic and igneous rocks which are not stable.
Select the correct answer code:
Correct
Solution: a)
In our country, debris avalanche and landslides occur very frequently in the Himalayas. There are many reasons for this. One, the Himalayas are tectonically active. They are mostly made up of sedimentary rocks and unconsolidated and semi-consolidated deposits. The slopes are very steep.
Compared to the Himalayas, the Nilgiris bordering Tamil Nadu, Karnataka, Kerala and the Western Ghats along the west coast are relatively tectonically stable and are mostly made up of very hard rocks; but, still, debris avalanches and landslides occur though not as frequently as in the Himalayas, in these hills due to very heavy rainfall.
Incorrect
Solution: a)
In our country, debris avalanche and landslides occur very frequently in the Himalayas. There are many reasons for this. One, the Himalayas are tectonically active. They are mostly made up of sedimentary rocks and unconsolidated and semi-consolidated deposits. The slopes are very steep.
Compared to the Himalayas, the Nilgiris bordering Tamil Nadu, Karnataka, Kerala and the Western Ghats along the west coast are relatively tectonically stable and are mostly made up of very hard rocks; but, still, debris avalanches and landslides occur though not as frequently as in the Himalayas, in these hills due to very heavy rainfall.
