Practise UPSC MCQs with explanations

Consider the following statements: 1. Biofilms can form on medical implants within human tissues. 2. Biofilms can form on food and food processing surfaces. 3. Biofilms can exhibit antibiotic resistance. Which of the statements given above are correct?

Consider the following communication technologies: 1. Closed-circuit Television 2. Radio Frequency Identification 3. Wireless Local Area Network Which of the above are considered Short-Range devices/technologies?

Which one of the following is the context in which the term "qubit" is mentioned?

Which one of the following statements best reflects the idea behind the "Fractional Orbital Bombardment System" often talked about in media?

With reference to "Software as a Service (SaaS)", consider the following statements: 1. SaaS buyers can customise the user interface and can change data fields. 2. SaaS users can access their data through their mobile devices. 3. Outlook, Hotmail and Yahoo! Mail are forms of SaaS. Which of the statements given above are correct?

With reference to Web 3.0, consider the following statements: 1. Web 3.0 technology enables people to control their own data. 2. In Web 3.0 world, there can be blockchain based social networks. 3. Web 3.0 is operated by users collectively rather than a corporation. Which of the statements given above are correct?

Consider the following: 1. Aarogya Setu 2. CoWIN 3. DigiLocker 4. DIKSHA Which of the above are built on top of open-source digital platforms?

Consider the following pairs (Wetland/Lake — Location): 1. Hokera Wetland — Punjab 2. Renuka Wetland — Himachal Pradesh 3. Rudrasagar Lake — Tripura 4. Sasthamkotta Lake — Tamil Nadu How many pairs given above are correctly matched?

In the northern hemisphere, the longest day of the year normally occurs in the:

With reference to India, consider the following statements: 1. Monazite is a source of rare earths. 2. Monazite contains thorium. 3. Monazite occurs naturally in the entire Indian coastal sands in India. 4. In India, Government bodies only can process or export monazite. Which of the statements given above are correct?

Consider the following countries: 1. Azerbaijan 2. Kyrgyzstan 3. Tajikistan 4. Turkmenistan 5. Uzbekistan Which of the above have borders with Afghanistan?

The term "Levant" often heard in the news roughly corresponds to which of the following regions?

Consider the following pairs (Peak — Mountains): 1. Namcha Barwa — Garhwal Himalaya 2. Nanda Devi — Kumaon Himalaya 3. Nokrek — Sikkim Himalaya Which of the pairs given above is/are correctly matched?

Gandikota canyon of South India was created by which one of the following rivers?

Which one of the following lakes of West Africa has become dry and turned into a desert?

"System of Rice Intensification" of cultivation, in which alternate wetting and drying of rice fields is practised, results in: 1. Reduced seed requirement 2. Reduced methane production 3. Reduced electricity consumption Select the correct answer using the code given below:

Among the following crops, which one is the most important anthropogenic source of both methane and nitrous oxide?

With reference to Deputy Speaker of Lok Sabha, consider the following statements: 1. As per the Rules of Procedure and Conduct of Business in Lok Sabha, the election of Deputy Speaker shall be held on such date as the Speaker may fix. 2. There is a mandatory provision that the election of a candidate as Deputy Speaker of Lok Sabha shall be from either the principal opposition party or the ruling party. 3. The Deputy Speaker has the same power as of the Speaker when presiding over the sitting of the House and no appeal lies against his rulings. 4. The well established parliamentary practice regarding the appointment of Deputy Speaker is that the motion is moved by the Speaker and duly seconded by the Prime Minister. Which of the statements given above are correct?

With reference to Ayushman Bharat Digital Mission, consider the following statements: 1. Private and public hospitals must adopt it. 2. As it aims to achieve universal health coverage, every citizen of India should be part of it ultimately. 3. It has seamless portability across the country. Which of the statements given above is/are correct?

With reference to the writs issued by the Courts in India, consider the following statements: 1. Mandamus will not lie against a private organisation unless it is entrusted with a public duty. 2. Mandamus will not lie against a Company even though it may be a Government Company. 3. Any public minded person can be a petitioner to move the Court to obtain the writ of Quo Warranto. Which of the statements given above are correct?