Prelims Current Affairs Quiz – 07 September 2023

Recently, an elusive particle, known as Pines’ demon, proposed in 1956 by theoretical physicist David Pines has just been discovered. What is/are the importance (s) of discovering this particle?

1. It will have implications in understanding superconductivity
2. Understanding the characteristics of several metals

Select the correct answer using the codes given below.

Consider the following statements regarding the various states of matter

1. Plasma is the most abundant state of matter in the visible universe
2. Plasma is the most abundant state of matter in the Earth
3. Bose–Einstein condensate is a state of matter seen in extremely high temperature

Select the correct answer using the codes given below:

Consider the following statements regarding Heat Index

1. Important factors that determines heat index are relative humidity and air temperature.
2. India Meteorological Department (IMD) has recently launched the Heat Index on experimental basis.

Which of the statements given above is/are correct?

Consider the following statements:
1. Bioethanol is derived from corn and sugarcane using fermentation process.
2. Biodiesel is derived from vegetable oils by a biochemical process called Transesterification.
3. Biogas is produced by anaerobic decomposition of organic matter.
4. Bio-hydrogen can be produced using pyrolysis, gasification or biological fermentation.
How many of the statements given above is/are correct?

Consider the following statements:
1. It is a seventeen-line Prakrit inscription inscribed in Brahmi script in a Hathigumpha cave.
2. The first recorded use of the term ‘Bharatvarsha’ dates back to 1^st century CE as evidenced by the inscription at Hathigumpha.
Which of the statements given above is/are correct?