Current Affairs

GK MCQs Section

GS-III: Science & Technology

What contribution can Nanotechnology play in enhancing the Energy efficiency in India. Discuss highlighting associated challenges also towards the same.

The contributions of nanotechnology towards energy efficiency are as follows: Solar Cells: Nanotechnology has revolutionised the development of solar cells, including quantum dot solar cells and organic photovoltaics....

December 19, 2024

What are lead-acid batteries? How could these batteries help India in achieving the SDGs?

A lead acid battery is a type of rechargeable battery that runs on lead and sulfuric acid. To facilitate a managed chemical reaction, the lead is immersed in...

September 28, 2023

What are the benefits of a lithium ion battery? What are the challenges to its wide-spread usage? What can be done to overcome these challenges?

The lithium ion battery in the past few years has become the preferred mode for storing energy, finding usage in handheld devices like your smartphones, laptops to Electric...

September 24, 2023

What are the advantages of offshore wind energy projects over onshore projects? What are the associated challenges?

Despite having a 7500 km long coastline and government’s push for renewable energy, offshore wind energy is still a relatively underdeveloped sector in India.  Offshore wind energy is...

September 23, 2023

What is Aditya-L1 mission? Discuss its objectives and importance.

Aditya-L1 is the India’s first dedicated scientific mission, which aims to send a satellite to study the dynamics of sun’s chromosphere. The mission is a joint venture between...

September 21, 2023

What do you understand by Optogenetics? Discuss its applications in healthcare.

Optogentics uses techniques from optics and genetics to control and measure the activities of particular cells of living tissue, typically neurons.  Scientists are using the technology to make...

September 19, 2023

What is DMH-11 that was recently approved by the Genetic Engineering Appraisal Committee? What are the advantages and challenges in its adoption?

The Genetic Engineering Appraisal Committee (GEAC), working under the ambit of the Ministry of Environment, Forest and Climate Change has recently approved the environmental release of GM Mustard...

September 19, 2023

What is tokenization? What are the challenges and way ahead for this unique RBI initiative?

Tokenisation is the process of replacing actual credit and debit card information with an alternate code called ‘token’. A tokenized card transaction is considered safer as the actual...

September 12, 2023

What are the advantages and limitations of Li-FI over Wi-Fi? While throwing light on its functioning, discuss the main challenges in conversion of existing devices into Li-Fi enabled ones.

Li-Fi uses LEDs and ‘visible’ light to transmit data wirelessly as an alternative to short-range radio. It does not require any special LED bulbs but only standard LED...

September 7, 2023

What is the R21/Matrix-M vaccine? How does it compare to the RTS,S/AS01 vaccine that was approved by WHO in 2021?

R21/Matrix-M is a vaccine against malaria, developed by the University of Oxford in the UK. The vaccine showed an efficacy of 77% in phase 1 and phase 2...

September 3, 2023

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