GS One‑Liners
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5107
facts
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Latest facts first
| # | Question & Answer |
|---|---|
| 2876 |
How is Southern Oscillation measured?
-
Pressure difference between Tahiti and Darwin.
|
| 2877 |
Which phenomenon is associated with El Niño/La Niña?
-
Southern Oscillation (SO).
|
| 2878 |
What is La Niña?
-
A cold ocean current off Peru.
|
| 2879 |
What is El Niño?
-
A warm ocean current off Peru.
|
| 2880 |
What condition leads to the burst of monsoon?
-
Shift of the westerly jet stream.
|
| 2881 |
What happens when the Tibetan Plateau is intensely heated?
-
Strong vertical air currents and low pressure at 9 km altitude.
|
| 2882 |
Where is the high-pressure area east of Madagascar located?
-
Around 20°S in the Indian Ocean.
|
| 2883 |
What happens when SW trades hit the Indian Peninsula highlands?
-
They cause orographic rainfall.
|
| 2884 |
What do SE Trade Winds become after crossing the equator?
-
South West Trades (due to Coriolis effect).
|
| 2885 |
Which winds are drawn towards the shifted ITCZ?
-
South East Trade Winds.
|
| 2886 |
Why does the ITCZ shift northward?
-
Due to the apparent northward movement of the sun.
|
| 2887 |
Where does the ITCZ usually remain due to landmass effect?
-
North of the equator.
|
| 2888 |
What zone is formed due to intense convection and insolation?
-
Inter Tropical Convergence Zone (ITCZ).
|
| 2889 |
What causes low pressure on the Indian landmass?
-
Differential heating and cooling of land and water.
|
| 2890 |
What is the latitudinal range where monsoons occur?
-
20°N to 20°S.
|
| 2891 |
What is the monsoon analogy?
-
A heat engine transporting stored solar energy.
|
| 2892 |
Difference between estuary & delta?
-
One opening vs many distributaries.
|
| 2893 |
Tidal mouth of a river?
-
Estuary.
|
| 2894 |
Why Western Ghat rivers lack deltas?
-
High speed & narrow plains.
|
| 2895 |
Condition needed for delta formation?
-
Slow flow.
|
| 2896 |
Narrow channel between two seas?
-
Strait.
|
| 2897 |
How were Himalayan lakes formed?
-
Glacial basins.
|
| 2898 |
Where are most freshwater lakes in India?
-
Himalayas.
|
| 2899 |
How lagoon differs from estuary?
-
Formed by sand barriers, not river action.
|
| 2900 |
Example of lagoon in India?
-
Chilika Lake.
|