Answer: Option [A]The correct answer is 1911-21. In fact, the census year 1911- 1921 registered a negative growth rate of-0.31 per cent which happened only once throughout the demographic history of India. It is because of this decline in place of rise in population that the year 1921 is called the 'demographic divide' in the demographic history of India.
Answer: Option [B]The maximum area under crops in India is used for the cultivation of Rice. Rice is the most cultivated crop in India. India is the world's second-largest producer of rice. producction of rice in the year 2019 is 117.47 million tonnes
Answer: Option [D]The correct answer is Wheat. The major rabi crop in India is wheat, followed by barley, mustard, sesame and peas.
Answer: Option [C]The correct answer is Indian Railways. Indian Railways is the largest rail network in Asia. It is also world's largest passenger carrier during a year.
Answer: Option [A]The correct answer is Jamshedpur. All public sector undertakings market their steel through the Steel Authority of India Ltd.(SAIL). As Bhilai, Durgapur, Rourkela, and Bokaro steel plants are public sector industries so these come under the management of SAIL. Jamshedpur steel plant is a private sector industry. It was started by Jamshedji Tata. It comes under the management of TISCO (Tata Iron and Steel Company).