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(PRELIMS & MAINS Focus)


‘Viral Spillover Risk’

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In news: A research article titled, ‘Viral spillover risk increases with climate change in High Arctic Lake sediments’, was published in the biological research journal of the UK’s The Royal Society.

What is viral spillover?

About the study:

The result:

Source: Indian Express

Previous Year Question

Q.1) Which of the following statements is/are correct (2013)

  1. Viruses lack enzymes necessary for the generation of energy.
  2. Viruses can be cultured in any synthetic medium.
  3. Viruses are transmitted from one organism to another by biological vectors only.

Select the correct answer using the codes given below.

  1. 1 only
  2. 2 and 3 only
  3. 1 and 3 only
  4. 1, 2 and 3

‘Scorched-Earth Tactics’

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In news: German Chancellor Olaf Scholz said Russian President Vladimir Putin was using “energy and hunger” as weapons but his “scorched earth tactics” would not help Russia win the war over Ukraine.

What are scorched earth tactics:

Past instances of the technique:

Source: Indian Express


Tropical Cyclone Sitrang

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In News: Cyclone Sitrang started landfall along the Bangladesh coast between Barishal and Chattogram, close to Bhola, according to Bangladesh Meteorological Department (BMD).   

        

About:

Source: Down To Earth

Previous Year Questions

Q.1) Consider the following statements: (2020)

  1. Jet streams occur in the Northern Hemisphere only.
  2. Only some cyclones develop an eye.
  3. The temperature inside the eye of a cyclone is nearly 10°C lesser than that of the surroundings.

Which of the following statements are correct:

  1. 1 only
  2. 2 and 3 only
  3. 2 only
  4. 1 and 3 only

Q.2) In the South Atlantic and South-Eastern Pacific regions in tropical latitudes, cyclone does not originate. What is the reason? (2015)

  1. Sea surface temperatures are low
  2. Inter-Tropical Convergence Zone seldom occurs
  3. Coriolis force is too weak
  4. Absence of land in those regions

Microbial interactions in ISS

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In News: IIT Madras, NASA’s Jet Propulsion Lab conduct study regarding the interactions between microbes in the International Space Station (ISS) to help devise strategies for disinfection of space stations and to minimise any potential impact of microbes on the health of astronauts.

About:

Significance:

Source: Down to Earth


Sandalwood Spike Disease (SSD)

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Context: Recently, Sandalwood Spike Disease started infecting natural habitats in Karnataka and Kerala. India’s sandalwood trees, particularly of Karnataka are facing a serious threat with the return of the destructive Sandalwood Spike Disease (SSD).

About Sandalwood Spike Disease:

Reasons for Spread:

About Sandalwood:

Source: The Hindu

Previous Year Question

Q.1) Which one of the following best describes the term “greenwashing:”? (2022)

  1. Conveying a false impression that a company’s products are eco-friendly and environmentally sound
  2. Non-Inclusion of ecological/ environmental costs in the Annual Financial Statements of a country
  3. Ignoring the disastrous ecological consequences while undertaking infrastructure development
  4. Making mandatory provisions for environmental costs in a government project/programme

Q.2) If a particular plant species is placed under Schedule VI of The Wildlife Protection Act,

1972, what is the implication?  (2020)

  1. A licence is required to cultivate that plant
  2. Such a plant cannot be cultivated under any circumstances
  3. It is a Genetically Modified crop plant
  4. Such a plant is invasive and harmful to the ecosystem

Basmati Rice

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Context: Five new varieties of seeds of Basmati rice, developed by a group of scientists led by the Indian Agriculture Research Institute (IARI) Director in 2020 and 2021, are all set to bring revolutionary changes in the way Basmati rice is cultivated in the country.

About Basmati Rice:

Difference between Basmati and Non-Basmati Rice:

About Indian Agricultural Research Institute (IARI):

Source: The Hindu

Previous Year Question

Q.1) “System of Rice Intensification” of cultivation, in which alternate wetting and drying of rice fields is practiced, results in:                                                                               (2022)

  1. Reduced seed requirement
  2. Reduced methane production
  3. Reduced electricity consumption

Select the correct answer using the code given below:

  1. 1 and 2 only
  2. 2 and 3 only
  3. 1 and 3 only
  4. 1, 2 and 3

Cyber Warfare

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Context:

About:

What are Grey Zone operations:

India’s assessment:

Major challenges:

Historical Evolution:

Cyberspace governance in India:

Government initiatives:

Way forward:

Source: The Hindu


India’s Burning Issue Sustainably

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Context: The monsoon has receded, and North India is bracing for a smoggy winter. And with that the feverish focus on crop stubble burning has returned to India’s public discourse.

About Stubble Burning:

Why this problem of stubble burning occurs?

Crop duopoly:

Introduction of subsidies:

Government policy:

Government Interventions to reduce crop residue burning:

Banning Crop Residue Burning:

Establishment of a Marketplace for Crop Residue:

Public Awareness Campaigns:

Subsidy on Agri-implements:

Crop Diversification:

Pusa Decomposer:

Crop Residue Management:

Way Forward:

Therefore, taking the long view on this would also mean establishing a mechanism for intersectoral policymaking that aligns our goals for sectorial policy within the broad frame of sustainable development we wish to follow.

Source: The Hindu


INTERPOL General Assembly

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Context: The union home minister recently addressed the concluding session of the 90th INTERPOL General Assembly. This session was hosted by India in New Delhi.

About the Interpol:

India’s recommendations for INTERPOL

Setting up of permanent platforms:

Good and bad terrorism:

Plan of Action:

India’s efforts in combating crimes:

Terrorism and Pakistan:

Interpol’s Future Challenges:

Way Forward:

Source: The Hindu


Lothal, ‘oldest dock in the world’, to get Heritage Complex

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Context: Recently, the Prime Minister reviewed the construction of the National Maritime Heritage Complex (NMHC) site at Gujarat’s Lothal via video conferencing.

National Maritime Heritage Complex:

About Lothal:

Discovery of Lothal:

Additional excavation findings about Lothal:

Significance of Lothal:

Way Forward:

Source:  Indian Express

Previous Year Question

Q.1) Which one of the following ancient towns is well known for its elaborate system of water harvesting and management by building a series of dams and channelising water into connected reservoirs?        (2021)

  1. Dholavira
  2. Kalibangan
  3. Rakhigarhi
  4. Ropar

Baba’s Explainer – India’s uphill battle to bring down air pollution

India’s uphill battle to bring down air pollution

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Context: Air quality in Delhi and adjoining regions has slumped ahead of winter, and the bountiful rains in October has merely delayed the inevitable.

Read Complete Details on India’s uphill battle to bring down air pollution


Daily Practice MCQs

Daily Practice MCQs

Q.1) Which one of the following is not a Harappan site?

  1. Lothal
  2. Kalibangan
  3. Sanchi
  4. Rakhigarhi

Q.2) With respect to Lake Hazen, consider the following statements:

  1. It is located in Greenland.
  2. It is the largest High-Arctic Lake in the world.
  3. It is a saltwater lake.

Which of the above are correct?

  1. 1 and 2 only
  2. 2 only
  3. 2 and 3 only
  4. 1, 2 and 3

Q.3) In context of ‘Scorched-Earth’ tactics, which of the following statements is correct:

  1. cyber-attacks tactics to breach information
  2. weapons to incapacitate enemy satellites
  3. electrostatic separation of rare earth metals
  4. bombing of energy infrastructure

Comment the answers to the above questions in the comment section below!!

ANSWERS FOR ’25th October 2022 – Daily Practice MCQs’ will be updated along with tomorrow’s Daily Current Affairs.st


ANSWERS FOR 22nd October – Daily Practice MCQs

Answers- Daily Practice MCQs

Q.1) – b

Q.2) – d

Q.3) – c

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