General Studies 1

Fact: They are the largest soil group covering about 46 percent of the total area. Formation in India Alluvial soils are formed mainly due to silt deposited by Indo-Gangetic-Brahmaputra rivers.  In coastal regions, some alluvial deposits are formed due to … Continue reading →

Definition of Soil  Soil is a mixture of small rock particles/debris and organic materials/ humus that develop on the earth’s surface and support the growth of plants. Factors Influencing Soil Formation Parent Material Relief/Topography Climate Natural Vegetation & Biological Factors … Continue reading →

Basics Period: mid-March to May. Characteristics: This season include high temperature and low humidity. Temperature in Summer Season High insolation due to the apparent movement of the sun between the equator and the Tropic of Cancer. Due to the moderating … Continue reading →

Basics Period: November to mid-March Fact: January is the coldest month as the apparent path of the sun is south of the equator. Characteristics: Clear skies, pleasant weather, cool and slow north-east trade winds, low temperature, low humidity, wide temperature … Continue reading →

Areas of Very High Rainfall (more than 200m) These include western side of Western Ghats. Average rainfall is 200 – 400 cm. Assam, Nagaland, Meghalaya, Mizoram, Arunachal Pradesh, Sikkim, parts of Manipur, Tripura and north – eastern tip of West … Continue reading →

Most severe and devastating tropical cyclones originate in Indian seas especially in Bay of Bengal region. The highest frequency of the cyclones is in the month of October and first half of November. More cyclones are born in October and … Continue reading →

Differences between the Advancing and the Retreating Monsoons Factors of Comparison Advancing Monsoon  Retreating Monsoon Wind Movement The Advancing monsoon winds blow from the sea to the land. The wind flows from the southwest to the northeast. The Retreating Monsoon … Continue reading →

El – Nino and La – Nina El – Nino Causes monsoon deficit and reduced rainfall in India. Weakens the Somali Jet, decreasing moisture flow to India. Leads to droughts, delayed monsoons, and crop failures. La – Nina Causes above-average … Continue reading →

Basics The word ‘monsoon’ is believed to have originated from the Arabic word for the season ‘mawsam’. Monsoons are seasonal winds that reverse their direction according to the change in season, so they are periodic winds. The monsoon is the … Continue reading →

Origin: Vindhyas, Madhya Pradesh Basin States: Madhya Pradesh, Rajasthan, and Gujarat Borders: It is bounded by Aravalli hills on the north and the north-west, by the Malwa Plateau on the east, by the Vindhyas on the south, and by the … Continue reading →