Climate | Live Poll Session PYQs and MIQs | Geography Class 9 2024-25

Digraj Singh Rajput2 minutes read

The ninth class session covers the climate chapter and includes a test scheduled for today, with a poll session on Food Security in India set for September 23rd. India's weather patterns, monsoon seasons, and various influencing factors like relief features and atmospheric conditions are thoroughly discussed, alongside distinctions between weather and climate.

Insights

  • The syllabus for the ninth class is being rapidly covered, with a significant reduction in the climate chapter, but it has been thoroughly explained in previous videos, including the difference between weather and climate, discussing specific weather patterns in different regions of India.
  • The session delves into the detailed factors influencing India's climate, such as local winds benefiting specific crops, the impact of Western Cyclonic Disturbances, and the concept of continentality affecting extreme weather conditions. Additionally, it explores the significance of relief features like mountains and plateaus, alongside atmospheric conditions like upper air circulation and pressure, in shaping India's climate and weather patterns.

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Recent questions

  • What is the difference between weather and climate?

    Weather refers to short-term atmospheric conditions, while climate represents long-term patterns.

  • What is the characteristic of the cold weather season in India?

    The cold weather season in India is characterized by clear skies during the day and cool nights.

  • What is the concept of continentality in relation to climate?

    Continentality refers to the increase in extreme weather conditions as distance from the sea increases.

  • How do relief features like mountains influence climate?

    Relief features like mountains can affect climate by blocking wind patterns and causing precipitation.

  • How do economic activities differ between market and non-market activities?

    Market activities involve the exchange of goods and services for money, while non-market activities do not involve monetary transactions.

Related videos

Summary

00:00

"Live session covers climate, test scheduled"

  • The session is live, with greetings and welcomes exchanged.
  • The syllabus for the ninth class is being rapidly covered.
  • The climate chapter has been significantly reduced in the current syllabus.
  • A test on the climate chapter is scheduled for today.
  • A poll session on Food Security in India is set for September 23rd.
  • The climate chapter has been thoroughly covered in previous videos.
  • The difference between weather and climate is explained.
  • Tamil Nadu receives a significant portion of its rainfall in October and November.
  • The characteristic of the cold weather season in India is discussed.
  • Houses with thick walls and flat roofs are found in Rajasthan.

17:29

Seasonal Winds and Weather Patterns in India

  • In winter, South West Trade Winds do not prevail over the country, instead, North Eastern Winds blow, causing dry conditions.
  • The North Eastern Winds blow from land to sea, leading to dry seasons in most parts of the country.
  • Western Cyclonic Disturbances cause rain in the country during winters.
  • Local winds like Mango Shers in Kerala benefit crops like mangoes.
  • Blossom Sars in Karnataka benefit coffee crops.
  • Kaal Baisha in West Bengal benefits jute crops.
  • During retreating monsoon, October heat is a common phenomenon due to the transition from hot rainy season to dry winter conditions.
  • Continentality is defined as the decrease in moderating influence from the sea as distance increases, resulting in extreme weather conditions.
  • The season characterized by clear skies and a rise in temperature during the day but cool nights is the cold weather season.
  • The movement of the Sun from the Equator northwards signifies the arrival of summer, followed by rain, and then the end of rain as the Sun moves southward.

33:04

"Indian Climate: Monsoon Retreat and Influences"

  • In July, August, September, the sun sets, indicating clear skies and the end of the monsoon season.
  • Temperature remains steady during this period, with no decrease, suggesting the monsoon is retreating.
  • After October, a decrease in temperature signifies the retreating monsoon.
  • A scenario involving Messi and Ronaldo playing different sports within the same match is described.
  • The distance of various places from the Equator is discussed, with Thiruvananthapuram being closest.
  • Rainfall exceeding 200 cm occurs in regions like the Western Ghats, North Eastern India, and Meghalaya Hills.
  • The wind blowing in the Nadan plain during summer can cause illness.
  • The elements of weather and climate are detailed, with altitude being a factor, not an element.
  • Relief features like mountains and plateaus influence climate, along with factors like temperature and altitude.
  • Atmospheric conditions like upper air circulation and pressure affect India's climate and weather conditions.

48:10

Forces, Rainfall, and Economic Activities Explained

  • Olivia Nirvan is asked for her surname, which she reveals as Mason.
  • The Collis Force is discussed, responsible for deflecting winds and causing the Earth's rotation.
  • The Coriolis Force in the Northern Hemisphere deflects winds to the right and to the left in the Southern Hemisphere due to the Earth's rotation.
  • The region in India receiving the least rainfall annually is discussed, with options provided.
  • Economic activities are classified into market and non-market activities, with examples provided to differentiate between the two.
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