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Question 1 of 5
1. Question
Consider the following statements.
- The northern Indian Ocean experiences a quarter of world’s tropical storms.
- The impact of tropical storms on the Indian subcontinent is severe due to a dense population and poor capacity to absorb large quantities of rainfall in a short period.
Which of the above statements is/are incorrect?
Correct
Solution: a)
The northern Indian Ocean, of which the Arabian Sea and the Bay of Bengal are a part, experiences only a minority of tropical storms annually, at about 7% of worldwide events, but their destructive impact on the subcontinent is severe due to a dense population and poor capacity to absorb large quantities of rainfall dumped in a short period over cities and towns.
Incorrect
Solution: a)
The northern Indian Ocean, of which the Arabian Sea and the Bay of Bengal are a part, experiences only a minority of tropical storms annually, at about 7% of worldwide events, but their destructive impact on the subcontinent is severe due to a dense population and poor capacity to absorb large quantities of rainfall dumped in a short period over cities and towns.
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Question 2 of 5
2. Question
Consider the following statements regarding Brahmani river basin.
- Brahmani is the tributary of the River Ganga.
- Together with the river Baitarani, it forms a large delta before emptying into the Bay of Bengal.
- It is famous for Mangrove vegetation.
Which of the above statements is/are correct?
Correct
Solution: c)
Environmentalists expressed concern over the massive diversion of fresh water from the Brahmani river basin, which could pose a grave threat to the famous mangrove vegetation in Odisha.
Bhitarkanika — a notified Ramsar wetland — is spread over 195 sq. km and is home to 62 mangrove species. Besides, 1,600 salt water crocodiles crawl on the mudflats of the Bhitarkanika mangrove forest.
Mangroves grow in brackish water. Proportionate fresh water flow from the Brahmani river basin and the Kharasrota river keep the salinity level of the water along the shore down. The brackish water becomes ideal for the mangroves to grow and stay healthy.
Together with the river Baitarani, Brahmani river forms a large delta before emptying into the Bay of Bengal.
Incorrect
Solution: c)
Environmentalists expressed concern over the massive diversion of fresh water from the Brahmani river basin, which could pose a grave threat to the famous mangrove vegetation in Odisha.
Bhitarkanika — a notified Ramsar wetland — is spread over 195 sq. km and is home to 62 mangrove species. Besides, 1,600 salt water crocodiles crawl on the mudflats of the Bhitarkanika mangrove forest.
Mangroves grow in brackish water. Proportionate fresh water flow from the Brahmani river basin and the Kharasrota river keep the salinity level of the water along the shore down. The brackish water becomes ideal for the mangroves to grow and stay healthy.
Together with the river Baitarani, Brahmani river forms a large delta before emptying into the Bay of Bengal.
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Question 3 of 5
3. Question
Consider the following statements regarding Western Ghats.
- Western Ghats is one of the eight hotspots of biological diversity in the world.
- Western Ghats is older than the Himalaya mountains.
- Entire Western Ghats traverses through five states in India.
- The peak of Anamudi in Tamil Nadu is the highest peak in the Western Ghats.
Which of the above statements is/are correct?
Correct
Solution: a)
Western Ghats traverses the states of Karnataka, Goa, Maharashtra, Gujarat, Kerala, and Tamil Nadu. It is a UNESCO World Heritage Site and is one of the eight hotspots of biological diversity in the world.
According to UNESCO, the Western Ghats are older than the Himalayas.
Anamudi is a mountain located in Ernakulam district and Idukki district of the Indian state of Kerala. It is the highest peak in the Western Ghats and in South India.
Incorrect
Solution: a)
Western Ghats traverses the states of Karnataka, Goa, Maharashtra, Gujarat, Kerala, and Tamil Nadu. It is a UNESCO World Heritage Site and is one of the eight hotspots of biological diversity in the world.
According to UNESCO, the Western Ghats are older than the Himalayas.
Anamudi is a mountain located in Ernakulam district and Idukki district of the Indian state of Kerala. It is the highest peak in the Western Ghats and in South India.
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Question 4 of 5
4. Question
Although the monsoon season ends with September, several parts of the country still receives rainfall. This can be due to
- Delayed monsoon withdrawal
- Development of low-pressure areas at multiple places
Select the correct answer code:
Correct
Solution: c)
Although the monsoon season ends with September, a delayed withdrawal and other factors can cause heavy rainfall in several states.
Development of low-pressure areas at multiple places results in these rainfall events at several places.
Incorrect
Solution: c)
Although the monsoon season ends with September, a delayed withdrawal and other factors can cause heavy rainfall in several states.
Development of low-pressure areas at multiple places results in these rainfall events at several places.
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Question 5 of 5
5. Question
Consider the following statements.
- Western disturbances are periodic influxes of moisture-laden clouds from the Mediterranean that are common during winter and cause rain in northern India.
- The elevated temperatures and warmer waters in the Arctic Ocean reduces the intensity of Western disturbances over North-India.
Which of the above statements is/are correct?
Correct
Solution: a)
Western disturbances cause rain in northern India.
Western disturbances are periodic influxes of moisture-laden clouds from the Mediterranean that are common during winter.
Overall elevated temperatures are also contributing to warmer waters in the Arctic Ocean and drawing colder air from the poles with greater intensity.
This has added to the increased moisture, thereby seeding more intense western disturbance activity over north India.
Incorrect
Solution: a)
Western disturbances cause rain in northern India.
Western disturbances are periodic influxes of moisture-laden clouds from the Mediterranean that are common during winter.
Overall elevated temperatures are also contributing to warmer waters in the Arctic Ocean and drawing colder air from the poles with greater intensity.
This has added to the increased moisture, thereby seeding more intense western disturbance activity over north India.
