Q82. Recently, there has been a concern over the short supply of a group of elements called ‘rare earth metals’. Why? 1. China, which is the largest producer of these elements, has imposed some restrictions on their export. 2. Other than China, Australia, Canada and Chile, these elements are not found in any country. 3. Rare earth metals are essential for the manufacture of various kinds of electronic items and there is a growing demand for these elements. Which of the statements given above is/are correct?

Consider the following statements: 1. The Global Ocean Commission grants licences for seabed exploration and mining in international waters. 2. India has receiv

With reference to India, consider the following statements: 1. Monazite is a source of rare earths. 2. Monazite contains thorium. 3. Monazite occurs naturally i

There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in the manufacture of various products. Why? 1. They c

Graphene has been frequently in the news recently. What is its importance? 1. It is a two-dimensional material and has good electrical conductivity. 2. It is on

To meet its rapidly growing energy demand, some opine that India should pursue research and development on thorium as the future fuel of nuclear energy. In this

With reference to the management of minor minerals in India, consider the following statements: 1. Sand is a ‘minor mineral’ according to the prevailing law in

Despite having large reserves of coal, why does India import millions of tons of coal? 1. It is the policy of India to save its own coal reserves for the future

Consider the following statements : 1. India does not have any deposits of Thorium. 2. Kerala’s monazite sands contain Uranium. Which of the statements given ab

Consider the following statements: 1. Coal ash contains arsenic, lead and mercury. 2. Coal-fired power plants release sulphur dioxide and oxides of nitrogen int

Consider the following statements: The nation-wide ‘Soil Health Card Scheme’ aims at: 1. Expanding the cultivable area under irrigation. 2. Enabling the banks t

What are the possible limitations of India in mitigating the global warming at present and in the immediate future? 1. Appropriate alternate technologies are no

Consider the following statements : 1. In India, State Governments do not have the power to auction non-coal mines. 2. Andhra Pradesh and Jharkhand do not have

With reference to the mineral resources of India, consider the following pairs: | Mineral | 90% Natural sources in | | :--- | :--- | | 1. Copper | Jharkhand |

With reference to ‘fly ash’ produced by the power plants using coal as fuel, which of the following statements is/are correct? 1. Fly ash can be used in the pro

What are the duties of the Chief of Defence Staff (CDS) as Head of the Department of Military Affairs? 1. Permanent Chairman of Chiefs of Staff Commit

Operations undertaken by the Army towards upliftment of the local population in remote areas to include addressing of their basic needs is called:

Which of the following is/are correctly matched in terms of equivalent rank in the three services of Indian Defence forces? | | Army | Airforce | Nav

Who of the following is the author of the books “The India Way” and “Why Bharat Matters”?

Which one of the following was the latest inclusion in the Intangible Cultural Heritage List of UNESCO?

With reference to the Pradhan Mantri Surakshit Matritva Abhiyan, consider the following statements: 1. This scheme guarantees a minimum package of ant

With reference to the Pradhan Mantri Shram Yogi Maandhan (PM-SYM) Yojana, consider the following statements : 1. The entry age group for enrolment in

Consider the following airports: 1. Donyi Polo Airport 2. Kushinagar International Airport 3. Vijayawada International Airport In the recent past, w