Practise UPSC MCQs with explanations

Recently, scientists observed the merger of giant 'blackholes' billions of light-years away from the Earth. What is the significance of this observation?

'RNA interference (RNAi)' technology has gained popularity in the last few years. Why? 1. It is used in developing gene silencing therapies. 2. It can be used in developing therapies for the treatment of cancer. 3. It can be used to develop hormone replacement therapies. 4. It can be used to produce crop plants that are resistant to viral pathogens. Select the correct answer using the code given below.

In the context of wearable technology, which of the following tasks is/are accomplished by wearable devices? 1. Location identification of a person 2. Sleep monitoring of a person 3. Assisting the hearing impaired person Select the correct answer using the code given below.

Consider the following statements: A digital signature is 1. an electronic record that identifies the certifying authority issuing it 2. used to serve as a proof of identity of an individual to access information or server on Internet 3. an electronic method of signing an electronic document and ensuring that the original content is unchanged Which of the statements given above is/are correct?

With reference to the recent developments in science, which one of the following statements is not correct?

The word 'Denisovan' is sometimes mentioned in media in reference to

In the context of digital technologies for entertainment, consider the following statements: 1. In Augmented Reality (AR), a simulated environment is created and the physical world is completely shut out. 2. In Virtual Reality (VR), images generated from a computer are projected onto real-life objects or surroundings. 3. AR allows individuals to be present in the world and improves the experience using the camera of smart-phone or PC. 4. VR closes the world, and transposes an individual, providing complete immersion experience. Which of the statements given above is/are correct?

The money multiplier in an economy increases with which one of the following?

Recently, India signed a deal known as 'Action Plan for Prioritization and Implementation of Cooperation Areas in the Nuclear Field' with which of the following countries?

Which of the following adopted a law on data protection and privacy for its citizens known as 'General Data Protection Regulation' in April 2016 and started implementation of it from 25th May, 2018?

Consider the following statements: The Reserve Bank of India's recent directives relating to 'Storage of Payment System Data', popularly known as data diktat, command the payment system providers that 1. they shall ensure that entire data relating to payment systems operated by them are stored in a system only in India 2. they shall ensure that the systems are owned and operated by public sector enterprises 3. they shall submit the consolidated system audit report to the Comptroller and Auditor General of India by the end of the calendar year Which of the statements given above is/are correct?

Which one of the following is not the most likely measure the Government/RBI takes to stop the slide of Indian rupee?

In the context of polity, which one of the following would you accept as the most appropriate definition of liberty?

Among the agricultural commodities imported by India, which one of the following accounts for the highest imports in terms of value in the last five years?

With reference to the cultivation of Kharif crops in India in the last five years, consider the following statements: 1. Area under rice cultivation is the highest. 2. Area under the cultivation of jowar is more than that of oilseeds. 3. Area of cotton cultivation is more than that of sugarcane. 4. Area under sugarcane cultivation has steadily decreased. Which of the statements given above are correct?

Consider the following statements: 1. Purchasing Power Parity (PPP) exchange rates are calculated by comparing the prices of the same basket of goods and services in different countries. 2. In terms of PPP dollars, India is the sixth largest economy in the world. Which of the statements given above is/are correct?

With reference to the Constitution of India, consider the following statements: 1. No High Court shall have the jurisdiction to declare any central law to be constitutionally invalid. 2. An amendment to the Constitution of India cannot be called into question by the Supreme Court of India. Which of the statements given above is/are correct?

In the context of any country, which one of the following would be considered as part of its social capital?

The economic cost of food grains to the Food Corporation of India is Minimum Support Price and bonus (if any) paid to the farmers plus

In India, 'extended producer responsibility' was introduced as an important feature in which of the following?