Questions

• Two Indian companies, Tata SteelBSE and Wipro have been named in the list of world’s most ethical companies by American think tank Ethisphere Institute.

• Ethisphere honors those companies who recognize their role in society to influence and drive positive change in the business community and organizations around the world.

• In 2017, 124 honorees were spanning five continents, 19 countries, and 52 industry sectors.

• Wipro is one of the two information technology companies named in the list, the other being Xerox Corporation.

First Generation  Vacuum Tubes (1940-1956)

The first computer systems used vacuum tubes for circuitry and magnetic drums for memory

Prokaryotic cells lack a nucleus and do not have an extensive system of interior membranes. They are encased in a cell wall and many contain external structures such as a capsule, flagellum, or pili. Prokaryotes – have a relatively uniform interior that is not subdivided by internal membranes.

Competition  occurs when two or more organisations act independently to supply their products to the same group of consumers.

There are mainly two cases when firms can compete. One is price where firms are selling identical or very similar products, they must compete on price with each firm trying to undercut the others. The other is differentiation. A non-price competition depends on making a product different from those of competitors and by giving it distinctive qualities that are valued by the target market. This might include branding, styling, special features or higher levels of customer service. Good competition provides more options to customers and also brings with it improved  customer services.

BRICS is basically an association of 5 major emerging national economies: Brazil, Russia,China, India and South Africa.

BRIC was coined in Foreign Ministerial meeting of Brazil,Russia,China and India in Newyork in Sept 2006. BRIC officialy came in existance in 2009 at Yekaterinburg,Russia.

At start group was named as BRIC, but after being formally invited by the BRIC countries to join the group, South Africa officially became a member nation on 24 December 2010, and the group was renamed BRICS.

FALSE. Each hemoglobin molecule can transport four molecules of oxygen.

Hemoglobin, or Hb, is a protein molecule found in red blood cells (erythrocytes) made of four subunits: two alpha subunits and two beta subunits. Heme the component of hemoglobin responsible for binding oxygen consists of an iron ion that binds oxygen and a porphyrin ring that binds the globin molecules, one molecule binds one molecule of oxygen and can bind up to four oxygen molecules.