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Showing posts from September, 2022

Class 9 Geography | Climate | NCERT Solutions | Important Question Answer | Term 2 Social science

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Class 9 Geography chapter 4 Climate Question Answer/ NCERT solutions     ðŸ‡ª 🇽 🇪 🇷 🇨 🇮 🇸 🇪   1. Choose the correct answer from the four alternatives given below. (i) Which one of the following places receives the highest rainfall in the world? (a) Silchar   (b) Mawsynram  (c) Cherrapunji (d) Guwahati (ii) The wind blowing in the northern plains in summers is known as: (a) Kaal Baisakhi  (b) Loo  (c) Trade Winds (d) None of the above (iii) Which one of the following causes rainfall during winters in north-western part of India. (a) Cyclonic depression  (b) Retreating monsoon (c) Western disturbances (d) Southwest monsoon   (iv) Monsoon arrives in India approximately in: (a) Early May  (b) Early July  (c) Early June (d) Early August (v) Which one of the following characterises the cold weather season in India? (a) Warm days and warm nights ( b) Warm days and cold nights (c) Cool days and cold nights (d) Cold days and warm ...

Atmosphere notes | Social studies for otet/osstet/JT/CHT/CTET/ Competitive exams

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 Atmosphere - Components and structure of Atmosphere. Study notes for all competitive Examination.  The composition and structure of the atmosphere   The air which surrounds the earth is called the atmosphere. The atmosphere is held to the earth due to its gravitational pull. The total weight of earth atmosphere is about 500 million tons. The atmosphere is essential for the existence of life on earth. Composition of the atmosphere The atmosphere is a mixture of colourless,   odourless and tasteless gases. The atmosphere contains two main gases oxygen ( 21%) and Nitrogen (78%). Other gases found in small quantities include Argon carbon dioxide, neon,, hydrogen, helium, methane etc. Besides these gases the lower layer of the atmosphere contains   water vapour,   dust particle, smoke, salt etc. Heavier gas like oxygen is mostly found in the lower layer. All living organisms need oxygen to breath. Nitrogen helps in th...

Green Revolution Short note | What is Green revolution| Green revolution in India

Green Revolution > What is Green Revolution > Who is known as the Father of Green revolution > Who  taken  initiative to start Green revolution in India.  Green revolution came up to India in the decade of 1960, before that there was a time when  it found an acute food shortage in the country. Being an Agrarian country India had to import food grains. The country was struggling against such dependent conditions. Sudden population growth, natural calamities, passion for industrialization were few of the reasons for shortage of food.  The idea of Green revolution was initiated by Norman Borough ( an American Agronomist) in 1960's. He developed a new variety of seeds called HYV ( High  Yielding Varieties) which helped tremendously to increase the Agricultural production. For his contribution to the field of Agriculture he received nobel peace Prize in 1970s. For this Great invention he is known as the 'Father of Green revolution' in World.  What ...