Practise UPSC MCQs with explanations

With reference to India, consider the following pairs — Organization : Union Ministry I. The National Automotive Board : Ministry of Commerce and Industry II. The Coir Board : Ministry of Heavy Industries III. The National Centre for Trade Information : Ministry of Micro, Small and Medium Enterprises How many of the above pairs are correctly matched?

With reference to the Constitution of India, if an area in a State is declared as Scheduled Area under the Fifth Schedule I. the State Government loses its executive power in such areas and a local body assumes total administration II. the Union Government can take over the total administration of such areas under certain circumstances on the recommendations of the Governor Which of the statements given above is/are correct?

Consider the following pairs — Provision in the Constitution of India : Stated under I. Separation of Judiciary from the Executive in the public services of the State : The Directive Principles of the State Policy II. Valuing and preserving the rich heritage of our composite culture : The Fundamental Duties III. Prohibition of employment of children below the age of 14 years in factories : The Fundamental Rights How many of the above pairs are correctly matched?

Consider the following statements: I. The Constitution of India explicitly mentions that in certain spheres the Governor of a State acts in his/her own discretion. II. The President of India can, of his/her own, reserve a bill passed by a State Legislature for his/her consideration without it being forwarded by the Governor of the State concerned. Which of the statements given above is/are correct?

With reference to India, consider the following: I. The Inter-State Council II. The National Security Council III. Zonal Councils How many of the above were established as per the provisions of the Constitution of India?

Consider the following pairs — State : Description I. Arunachal Pradesh : The capital is named after a fort, and the State has two National Parks II. Nagaland : The State came into existence on the basis of a Constitutional Amendment Act III. Tripura : Initially a Part 'C' State, it became a centrally administered territory with the reorganization of States in 1956 and later attained the status of a full-fledged State How many of the above pairs are correctly matched?

With reference to the Indian polity, consider the following statements: I. An Ordinance can amend any Central Act. II. An Ordinance can abridge a Fundamental Right. III. An Ordinance can come into effect from a back date. Which of the statements given above are correct?

Consider the following statements: Statement I: Activated carbon is a good and an attractive tool to remove pollutants from effluent streams and to remediate contaminants from various industries. Statement II: Activated carbon exhibits a large surface area and a strong potential for adsorbing heavy metals. Statement III: Activated carbon can be easily synthesized from environmental wastes with high carbon content. Which one of the following is correct in respect of the above statements?

Consider the following statements: I. No virus can survive in ocean waters. II. No virus can infect bacteria. III. No virus can change the cellular transcriptional activity in host cells. How many of the statements given above are correct?

With reference to monoclonal antibodies, often mentioned in news, consider the following statements: I. They are man-made proteins. II. They stimulate immunological function due to their ability to bind to specific antigens. III. They are used in treating viral infections like that of Nipah virus. Which of the statements given above are correct?

Consider the following statements: I. It is expected that Majorana 1 chip will enable quantum computing. II. Majorana 1 chip has been introduced by Amazon Web Services (AWS). III. Deep learning is a subset of machine learning. Which of the statements given above are correct?

What is the common characteristic of the chemical substances generally known as CL-20, HMX and LLM-105, which are sometimes talked about in media?

Consider the following substances: I. Ethanol II. Nitroglycerine III. Urea Coal gasification technology can be used in the production of how many of them?

Consider the following: I. Cigarette butts II. Eyeglass lenses III. Car tyres How many of them contain plastic?

In the context of electric vehicle batteries, consider the following elements: I. Cobalt II. Graphite III. Lithium IV. Nickel How many of the above usually make up battery cathodes?

With reference to Unmanned Aerial Vehicles (UAVs), consider the following statements: I. All types of UAVs can do vertical landing. II. All types of UAVs can do automated hovering. III. All types of UAVs can use battery only as a source of power supply. How many of the statements given above are correct?

Consider the following types of vehicles: I. Full battery electric vehicles II. Hydrogen fuel cell vehicles III. Fuel cell-electric hybrid vehicles How many of the above are considered as alternative powertrain vehicles?

With reference to the planet Earth, consider the following statements: I. Rain forests produce more oxygen than that produced by oceans. II. Marine phytoplankton and photosynthetic bacteria produce about 50% of world's oxygen. III. Well-oxygenated surface water contains several folds higher oxygen than that in atmospheric air. Which of the statements given above is/are correct?

Consider the following pairs — Plant : Description I. Cassava : Woody shrub II. Ginger : Herb with pseudostem III. Malabar spinach : Herbaceous climber IV. Mint : Annual shrub V. Papaya : Woody shrub How many of the above pairs are correctly matched?

Consider the following statements: I. Carbon dioxide (CO2) emissions in India are less than 0.5 t CO2/capita. II. In terms of CO2 emissions from fuel combustion, India ranks second in Asia-Pacific region. III. Electricity and heat producers are the largest sources of CO2 emissions in India. Which of the statements given above is/are correct?