20. Make a list of any four States of India and tribes living in them.
21. In India various organs of government help in running the government. Justify the
statement.
22. Mention the factors affecting pressure and explain any two.
23. Write a short note on weather forecasting.
Answers
Answer:
20ANS:tate Tribes
Uttar Pradesh Bhotia, Buksa, Jaunsari, Kol, Raji, Tharu.
West Bengal Asur, Khond, Hajong, Ho, Parhaiya, Rabha, Santhals, Savar.
Andaman and Nicobar Oraons, Onges, Sentinelese, Shompens.
Little Andaman Jarawa
21ANS:Basic structure. Modelled after the Westminster system for governing the state, the Union government is mainly composed of the executive, the legislature, and the judiciary, in which all powers are vested by the constitution in the prime minister, parliament and the supreme court.
22ANS:Pressure is affected by volume, temperature, and the number of moles present. P is pressure; V is volume; n is number of moles; R is a constant; T is temperature (in Kelvin!) Area and force are the two factors on which pressure depend.
23ANS: Weather forecasting is the prediction of what the atmosphere will be like in a particular place by using technology and scientific knowledge to make weather observations. In other words, it's a way of predicting things like cloud cover, rain, snow, wind speed, and temperature before they happen.
Explanation: