Explanation: Chembarabakkam is a village located in the northern part of Tamil Nadu, India, and is known for receiving the highest rainfall in the region, particularly during the North East Monsoon (NEM) season. The North East Monsoon, also known as the retreating monsoon, typically occurs from October to December and is crucial for the agricultural activities in the region.
The rainfall data for Chembarabakkam is significant for several reasons:
1. **Climate Patterns**: Understanding the rainfall patterns helps in predicting future weather conditions and planning agricultural activities.
2. **Water Management**: Accurate rainfall data is essential for managing water resources, including irrigation and reservoir management.
3. **Disaster Preparedness**: High rainfall data helps in preparing for potential flooding and other weather-related disasters.
In the year 2018, Chembarabakkam recorded a rainfall of 299 mm during the North East Monsoon season. This amount is considered significant and is the correct answer to the question. The other options (284 mm, 298 mm, and 157 mm) are incorrect as they do not match the recorded data for that specific year and location.
It is important to note that rainfall data can vary from year to year due to various factors such as climate change, El Niño, and other meteorological conditions. Therefore, it is crucial to refer to the most recent and accurate data for any specific year and location.
Understanding the rainfall patterns in Chembarabakkam and other parts of Tamil Nadu is essential for students preparing for competitive examinations such as TNPSC, UPSC, and other state-level PSC exams, where questions on regional geography and climate patterns are common. This knowledge also helps in comprehending the broader implications of climate change and its impact on regional water resources and agricultural practices.