Challenge Prelims V1.0 – Day 20 – GS Paper (Geography)

1. In the context of the Indian Monsoon, which of the following best describes the reason for the break in monsoon over northern India?

2. Consider the following:

1. Clear skies and a rise in temperature
2. Oppressive weather
3. Southward movement of a low-pressure trough in the Plains of Ganga
4. Rainfall on the southeastern coast

Which of the following has the characteristics mentioned above?

3. Which of the following statements is not correct with reference to the Western Disturbances?

4. With reference to the Easterly Jet Streams, consider the following statements:

1. The easterly jet stream shifts southward during the southwest monsoon period.
2. The easterly jet stream is responsible for bringing the tropical depressions into India.
3. During the winter season in India, there is an onset of an easterly jet stream over peninsular India.

How many of the statements given above is/are correct?

5. In the context of the Indian monsoon, which of the following statements is not correct?

6. With reference to monsoon depressions in India, consider the following statements:

1. These can originate over the Bay of Bengal only.
2. Due to the high vertical wind shear present during the Southwest monsoon season, monsoon depressions generally do not intensify into cyclonic storms.

Which of the statements given above is/are not correct?

7. With reference to Madden Julian Oscillation, consider the following statements:

1. It is an equatorial traveling pattern of anomalous rainfall that is planetary in scale.
2. Each cycle lasts approximately 30–60 days.
3. In its active phase in the tropics, MJO plays an important role in the occurrence of monsoon rains.

How many of the statements given above is/are correct?

8. With reference to Indian Monsoons, consider the following statements regarding Tibetan High:

1. Tibetan High is a warm anticyclone located over Tibetan Plateau in the troposphere during the monsoon period.
2. The westward shift of Tibetan High leads to an extension of monsoon in Pakistan and in extreme cases into north Iran.
3. Cold winds coming from the Tibetan plateau has its impacts on excessive cold in northern India during the months of December-January

How many of the statements given above is/are correct?

9. Consider the following pairs in the context of rainfall distribution in India:

Rainfall intensity: Region

1. Extreme rainfall: Arunachal Pradesh
2. Heavy rainfall: Nagaland
3. Moderate rainfall: West Bengal
4. Scanty rainfall: Tamil Nadu

How many pairs given above are correctly matched?

10. “This type of climate is found in the western coastal region, south of Mumbai. This area receives over 300 cm of annual rainfall in summer from the south-west monsoons.” According to Koppen’s classification, the above mentioned paragraph refers to which of the following climatic regions?

11. Consider the following statements:

1. Long Period Average of rainfall is the rainfall recorded over a particular region for a given interval average over a long period like 30 years, 50 years, etc.
2. Long-range forecast of a monsoon is the forecast over a period ranging from 15 years to 25 years.
3. India Meteorological Department maintains five rainfall distribution categories on an all-India scale.

How many of the statements given above is/are correct?

12. With reference to the Indian Ocean Dipole (IOD), consider the following statements:

1. It is characterized by differences in sea surface temperatures (SSTs) between the western and eastern Indian Ocean.
2. Negative IOD can lead to increased rainfall and atmospheric convection over the eastern Indian Ocean, Indonesia, and northern Australia.

Which of the statements given above is/are not correct?

13. Consider the following statements:

Statement-I: The off-shore vortices on the west coast bring very heavy rainfall to the west coast during the monsoon season.

Statement-II: The Votices are formed due to the inability of monsoon winds to climb over western ghats.

Which one of the following is correct in respect of the above statements?

14. Which of the following can be the reason that India doesn’t get cyclones during main monsoon months like July and August?

15. What is the role of Mascarene High in influencing the Indian Climate?