The question asks to identify the place in India that receives the highest average annual rainfall in the world. This requires knowledge of geographical facts related to rainfall distribution, particularly in India.
A) Mawsynram in Khasi Hills of Meghalaya is widely recognized as the wettest place on Earth, receiving the highest average annual rainfall. Its geographical location, nestled in the Khasi Hills, causes the monsoon winds from the Bay of Bengal to rise and condense, leading to heavy orographic rainfall.
The question asks about the 'Southern Oscillation' in the context of the Indian monsoon. This phenomenon is a key component of the El Niño-Southern Oscillation (ENSO) cycle, which significantly influences global weather patterns, including the Indian monsoon.
Correct Option: B) Pressure difference between Tahiti in Pacific and Port Darwin in Australia
The question asks about the number of distinct seasons recognized by the Indian Meteorological Department (IMD). This is a factual question related to the climate classification in India.
B) Four seasons is the correct answer. The Indian Meteorological Department officially recognizes four distinct seasons: Winter, Summer, Southwest Monsoon, and Retreating Monsoon.
The question asks about 'October Heat' in the context of the Indian climate. This phenomenon is directly related to the retreating monsoon season. We need to identify the option that accurately describes the atmospheric conditions during this period.
A) Oppressive weather due to high temperature and humidity during retreating monsoon
This option accurately describes 'October Heat'. As the monsoon retreats in October, the skies clear, leading to a rise in daytime temperatures. The land is still moist, and the air retains a significant amount of humidity. The combination of high temperature and high humidity results in an oppressive and uncomfortable weather condition, commonly referred to as 'October Heat'.
The question asks to identify the season associated with the local weather phenomenon 'Loo'. This requires knowledge of Indian climatic conditions and specific local winds.
Correct Option: D) Hot weather season (summer) is the correct answer because the 'Loo' is a characteristic feature of the summer months in North India, bringing intense heat and dryness.
The question asks to identify the local storm known as 'Kalbaisakhi' in Bengal. This requires knowledge of local weather phenomena in India, particularly those occurring before the monsoon season.
Correct Option: C) Nor'westers — evening thunderstorms
Nor'westers are violent thunderstorms that occur in the north-eastern parts of India, particularly West Bengal, Assam, and Odisha, during the pre-monsoon season (March to May). They are locally known as 'Kalbaisakhi' in Bengal and Assam due to their occurrence in the month of Baisakh and their often destructive nature (Kal means calamity). These storms are characterized by strong winds, heavy rainfall, and sometimes hail, typically occurring in the late afternoon or evening.