Question Discussion & Solution

The correct answer is Another name for the coronavirus that created the epidemic in 2020.

Key Points

• The Ministry of AYUSH has launched the Jan Andolan Campaign on COVID-19.
• This Andolan is regarding “Public Health Response to COVID-19: Campaign for COVID-Appropriate Behaviour” which has been launched by the Prime Minister.
• The three key messages which are being highlighted across it are - “Wear Mask, Follow Physical Distancing, and Maintain Hand Hygiene.

The correct answer is Hydrogen.

Key Points

• Hydrogen has atomic number 1 and is placed in group 1 along with alkali metals.
• It is the first element in the periodic table.

​Additional Information

• Hydrogen was discovered by Henry Cavendish.
• Hydrogen gas is called the fuel of the future.
• The most abundant element in the universe is Hydrogen.
• The most abundant element on earth's crust is Oxygen.
• Hydrogen is the 'lightest element' in the periodic table.
• Lithium is the 'lightest metal' in the periodic table.

The correct answer is Interconnection and networks.

Key Points

• Internet:
  • The term Internet is derived from the words interconnection and networks. Hence, Option 4 is correct.
  • The Internet (or internet) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices.
  • It is a network of networks that consists of private, public, academic, business, and government networks of local to global scope, linked by a broad array of electronic, wireless, and optical networking technologies.
  • The Internet carries a vast range of information resources and services, such as the inter-linked hypertext documents and applications of the World Wide Web (WWW), electronic mail, telephony, and file sharing. 
  • The first web page address was http://info.cern.ch/hypertext/WWW/TheProject.html.
  • ARPANET adopted TCP/IP on January 1, 1983.
  • NCSA Mosaic ran on Windows computers was the first browser to surf the internet. 

Additional Information

• A computer network is mainly of four types:
  • LAN(Local Area Network)
  • PAN(Personal Area Network)
  • MAN(Metropolitan Area Network)
  • WAN(Wide Area Network) 

The correct answer is Deforestation.

• Deforestation is not related to conservation of land resources.

Key Points

• The felling and clearing of forest cover or tree plantations to accommodate agricultural, industrial or urban use is Deforestation.
• Deforestation can also be seen as removal of forests leading to several imbalances, both ecologically and environmentally.
• According to the Global Forest Resources Assessment 2020 (FRA 2020) report, the rate of forest loss has declined in the period of 1990-2020.
• The world’s total forest area is 4.06 billion hectares (bha), which is 31% of the total land area.

Additional Information

• The FRA is released by the United Nations Food and Agriculture Organization (FAO).
• Restriction on overgrazing is done to reduce Negative effects of grazing which include overgrazing, increased soil erosion, compaction and degradation, deforestation.
• Land reclamation is the process of creating new land from oceans, seas, riverbeds or lake beds.
• Regulated use of fertilizer controls the movement of water and nutrients within the plant.

The correct answer is Flower.

• Flower is known as the reproductive part of a plant.
  • Plant reproduction is accomplished by sexual or asexual reproduction.
  • The male part of a flower is known as androecium.
  • The stamens in the flower of a seed plant collectively called the androecium.
  • The female part of a flower is known as gynoecium.
  • The process of transfer of pollen grains from the anther to stigma is called pollination.
  • Pollination is possible only with the help of pollen agents such as insects, birds, bats; water; and wind.
  • In sunflowers, pollination is occurred by honeybee.
  • In pepper, pollination is occurred by rain.
• ​Root is part of a vascular plant that normally lies below the surface of the soil.
  • Roots help for the absorption of water and dissolved minerals from the soil.
• The stem helps to conduct water, minerals, and food to different parts of the plant.