Question Discussion & Solution

All are creator except Publisher.

The correct answer is Vivek Ram Chaudhari.

Key Points

• Air Marshal Vivek Ram Chaudhari has been named as the next Chief of Air Staff.
  • He succeeds Air Chief Marshal RKS Bhadauria who will retire from service in the end of September 2021.
  • Currently posted as the Vice Chief of Air Staff, the officer was commissioned into the fighter stream and has commanded a MiG 29 squadron and has experience of various types of aircraft including the SU 30MKI.

Similarly,

So

Hence, “ETHIC” is written as “57239”

Key Points

• Microbes belong to diverse organisms – bacteria, fungi, protozoa, viruses.
• Microbes influence man's life in several ways- they are found in clothes, jams, shoes, dead wood, food products, soil, etc.
• Spore Formation is a method in asexual reproduction.
• Spore formation can be seen in the bread mold / Rhizopus.
• The presence of sugar and carbohydrate on bread provides proper conditions for spore formation. 

Rhizopus is the correct option. 

Additional Information

• Yeast is used as a fermentation agent in the bakery (bread industry) and brewery (wine industry). So, Saccharomyces cerevisiae is also called “Baker’s yeast”.
• Wart disease is caused by the fungus Synchytrium endobioticum. 
• Aspergillus is a Fungus genus that belongs to the class Ascomycetes or the sac fungi.

The correct answer is Plotter.

• The plotter is an output device producing continuous lines of different colours.

​Key Points

• Plotter
  • ​The plotter is used to draw Continuous lines.
  • A plotter is a printer that reads commands from a computer to make line drawings on paper with one or more automated pens.
  • The plotter can draw continuous point-to-point lines directly from vector graphics files or commands.
• There are a number of different types of plotters:
  • A drum plotter
    • Draws on paper wrapped around a drum which turns to produce one direction of the plot, while the pens move to provide the other direction.
  • A flatbed plotter
    • It draws on paper placed on a flat surface.
  • An electrostatic plotter
    • It is used to draw on negatively charged paper with positively charged toner.

Additional Information

• Daisy wheel printing 
  • It is an impact printing technology invented in 1970 by Dr. Andrew Gabor.
  • Used for high-quality text printing.
• Chain Printer
  • An early line printer that used type slugs linked together in a chain as its printing mechanism.
  • The chain spins horizontally around a set of hammers.
  • When the desired character is in front of the selected print column, the corresponding hammer hits the paper into the ribbon and onto the character in the chain.