431. The Bhilai Steel Plant has been established with the assistance of-
1. U.K.
2. U.S.A
3. Russia
4. Germany
Option “3” is correct. Bhilai Steel Plant was set up with the help of the USSR in 1955.
432. Which is the largest metals trading centre?
1. Johannesburg
2. London
3. New York
4. Singapore
Option “2” is correct. London is the largest metal trading centre.
433. Why the Earth is having its own atmosphere?
1. Winds
2. Clouds
3. Gravity
4. Rotation of the Earth
Option “3” is correct. An atmosphere, meaning is a layer of gases surrounding a planet or other material body, which is held in place by the gravity of that body. Earth also has its own environment due to gravity.
434. A level of atmosphere which is composed partly of electrons and positive ions is called-
Option “3” is correct. The transfer of minerals from top soil to subsoil through soil-water is called leaching.
436. Which place is said to be the Manchester of South India?
1. Coimbatore
2. Salem
3. Thanjavur
4. Madurai
Option “1” is correct. Coimbatore is referred to as the “Manchester of South India” due to its cotton production and textile industries.
437. Which state in India has the longest coastline?
1. Kerala
2. Tamil Nadu
3. Maharashtra
4. Gujarat
Option “4” is correct. Gujarat forms the longest coastline of all Indian states. The total length of coastline of Gujarat is 1214.7 Km.
438. Khangchendzonga National Park, also known as Kanchenjunga Biosphere Reserve, is located in ________.
1. West Bengal
2. Assam
3. Sikkim
4. Meghalaya
Option “3” is correct. Kanchenjunga National Park is a National Park and a Biosphere reserve located in Sikkim, India. It was inscribed to the UNESCO World Heritage Sites list on July 17, 2016, becoming the first “Mixed Heritage” site of India.
