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Consider the following statements about relief features:

  1. High mountains act as barriers for winds.

  2. They may cause precipitation if in the path of rain-bearing winds.

A1 only

B2 only

CBoth 1 and 2

DNeither 1 nor 2

Answer:

C. Both 1 and 2

Read Explanation:

  • Statement 1: High mountains act as barriers for winds : This is absolutely true. Mountains, due to their sheer size and elevation, physically obstruct the flow of air.

  • They can deflect winds, force them to change direction, or even block them entirely. This barrier effect is a fundamental aspect of how mountains influence regional climates.

  • Statement 2: They may cause precipitation if in the path of rain-bearing winds : This is also accurate. This phenomenon is known as orographic precipitation.

  • When moist air is forced to rise over a mountain range, it cools. As the air cools, it condenses, forming clouds and leading to rainfall or snowfall on the windward side of the mountain.

  • The leeward side of the mountain often experiences a rain shadow effect, where it receives significantly less precipitation.


Related Questions:

Choose the correct statement(s):

  1. El-Nino is a marine-only phenomenon with no atmospheric involvement.

  2. El-Nino affects both ocean currents and atmospheric circulation.

The high pressure over northern plains during winter is best explained by which of the following factors?

Consider the following: Choose the Correct Statements

The “Amw” type is found on the Coromandel Coast.

The “As” type indicates summer dryness and is rare globally.

Both “Amw” and “As” are variants of Tropical monsoon climates.

ശീതജലപ്രവാഹമായ പെറു അല്ലെങ്കിൽ ഹംബോൾട്ട് പ്രവാഹത്തെ താൽക്കാലികമായി മാറ്റി പ്രസ്തുത സ്ഥാനത്ത് എത്തുന്ന മധ്യരേഖാ ഉഷ്ണജലപ്രവാഹത്തിൻ്റെ ഒരു തുടർച്ച മാത്രമാണ് :

Which of the following statements are true about the variability of rainfall in India?

  1. Variability is calculated using the formula: (Standard deviation / Mean) x 100.

  2. Higher variability indicates more consistent rainfall patterns.

  3. Variability contributes to the occurrence of droughts and floods.

  4. The annual average rainfall of India is 250 cm.