Question Discussion & Solution

The correct answer is Authentication.

Key Points

• MAC stands for message authentication code.
• A message authentication code is an authentication tag (also called a checksum) derived by application of an authentication scheme, together with a secret key, to a message.
• MACs can be categorized as - 
  • Unconditionally secure
  • Hash function-based
  • Stream cipher based
  • Block cipher based

The correct answer is New Delhi.

• The "Indian Sports Summit - Fitness: $ 10 Billion Opportunity" was organized in New Delhi.

Key Points

• The event was launched by Prime Minister Narendra Modi.
• The aim event was focused on driving objective of ‘Sports and Industry’ by various initiatives, advocating for new policies for the sector, encourage investments in the sector of sports, create a roadmap in encouraging fitness programmes in school education and industry participation in the FIT INDIA Movement.
• Current Youth Affairs and Sports Minister is Mr Kiren Rijiju.

The correct answer is 1939.

Key Points

Congress Party: 

• An Indian political party founded in 1885 as Indian National Congress.
• Founded by Allen Hume, a British colonist and, until World War-I it was a moderate body.
• Later, under the leadership of Mahatma Gandhi, it began a campaign of non-violent non-cooperation.
• It was declared illegal between 1932-34. It led the movement to end British rule and was the government party after independence from 1947-77.

Key people-Congress Party Leader: 

•  Maulana Abul Kalam Azad (1888-1958): Leading Muslim member of Congress Party; Congress president, 1940-1946; Indian education minister after independence.
•  Mohandas Karamchand Gandhi (Mahatma) (1869-1948):  Studied law in London; 1893-1914, worked in South Africa; on return to South Africa, rose to dominance in Congress Party, becoming its president in 1924. Led a number of civil disobedience campaigns, spending a number of spells in prison. Made numerous attempts between 1944-1947 to stop the partition of India but failed. Assassinated, 1948.
• Jawaharlal (Pandit) Nehru(1889-1964) Barrister and politician in the United Provinces of India; supporter of Gandhi; President of Indian National Congress, 1929, 1936-37, 1946, 1951-54; first prime minister of India, 1947-1964.

The correct answer is Jaipur.

• Jaipur is known as the Panna City of Rajasthan.

Key Points 

• Emerald (Panna) is a gemstone.
  • It is a variety of beryl minerals.
  • It is also called Green Fire.
  • It is found in the following areas of Rajasthan-
    • Udaipur- Kalaguman, Gogunda, Tikki
    • Ajmer-  Rajgarh, Gudas, Bubani
      • Ajmer's Bubani to Rajsamand's Gamguda and Nathdwara area is known as Green Fire Belt, where the emerald is found.

Additional Information

• Panna Mandi Is also situated in Jaipur.

The correct answer is Indicator.

Key Points

• Indicators are substances that show a change in colour when brought in contact with acids and bases.
• The most common indicator used in the laboratory is Litmus.
• Litmus is extracted from lichens.

Additional Information

• A promoter is a sequence of DNA needed to turn a gene on or off.
• A neutralizer is a substance used in the neutralization of acidic water.
• Neutralization is a chemical reaction in which acid and a base react quantitatively with each other to form water and salt.
• A catalyst is a substance that speeds up the rate of a chemical reaction but is not consumed during the reaction.