Jet Streams and El Nino

Q. Which of the following is/are true about Jet streams?

1. These are high velocity winds that blow in the upper troposphere.
2. Jet streams does not have any influence on Indian monsoon.

[1 mark]

1. Only 1
2. Only 2
3. Both 1&2
4. Neither 1 nor 2

Q. Multiple periodic changes in the pressure conditions of the Southern Pacific Ocean is called __________.

1. Southern Oscillation
2. El Nino
3. Northern Oscillation
4. Eastern Oscillation

Q. ____________ is the first indication of the onset of the monsoon over the Indian subcontinent.

1. Westward shift of the subtropical westerly jet stream
2. Southward shift of the subtropical westerly jet stream
3. Eastward shift of the subtropical westerly jet stream
4. Northward shift of the subtropical westerly jet stream

Q. A:) El Nino is characterised by warm ocean surface waters near the coast of Peru.

B:) El Nino causes lower than normal monsoon in India.

Read the above given statements carefully and select the option that is true.

1. Statement A is correct.
2. Statement B is correct.
3. Both Statement A and B are correct.
4. Both Statement A and B are false.

Q. are high-velocity winds that blow in the troposphere at an altitude of around 12, 000 metres.

1. Monsoon winds
2. Northeast trade winds
3. Jet Streams
4. Southwest trade winds

Q. are high-velocity winds that blow in the troposphere at an altitude of around 12, 000 metres.

1. Monsoon winds
2. Northeast trade winds
3. Jet Streams
4. Southwest trade winds

Q. Which of the following are true with reference to jet streams?

1. High-velocity winds
2. Blows in the troposphere
3. Causes weaker monsoon
4. Affects the onset of monsoon

Q. The Indian subcontinent receives the highest rainfall in an El Nino year compared to a normal year.

1. False
2. True

Q. Jet streams are a narrow belt of high-velocity winds that occur in which of the following layers of atmosphere?

1. Thermosphere
2. Exosphere
3. Mesosphere
4. Troposphere

Q. Which of the following are true with reference to jet streams?

1. High-velocity winds
2. Blows in the troposphere
3. Causes weaker monsoon
4. Affects the onset of monsoon

Q. Jet streams are a narrow belt of high-velocity winds that occur in which of the following layers of atmosphere?

1. Exosphere
2. Mesosphere
3. Troposphere
4. Thermosphere

Q. The Indian subcontinent receives the highest rainfall in an El Nino year compared to a normal year.

1. False
2. True