Daily UPSC Prelims Current Affairs – May 3-4, 2023 [Mock Test]
May 23, 2023 May 23, 2023
1. Consider the following statements regarding
Chondrostereum purpureum:- It is a plant bacterium.
- It causes silver leaf disease in plants.
- Till now, there were no reported instances of this infecting human beings.
Which of the statements given above is/are correct?
[A] Only 1
[B] Only 2
[C] Only 1 & 2
[D] 1, 2 & 3
Show Answer
Correct Answer: B [Only 2]
Notes:- The first case of a plant fungus called Chondrostereum purpureum infecting human beings has been reported from Kolkata.
- Chondrostereum purpureum is a plant fungus that causes silver leaf disease in plants, particularly those in the rose family.
- Silver leaf disease infects their leaves and branches, the fungus can be fatal for the plant if not quickly treated.
- However, there were no reported instances of this fungus infecting human beings from any part of the world.
- This is the first instance of a plant fungus causing disease in a human.
2. Consider the following statements:
- Phagocytosis is the process by which certain living cells called phagocytes ingest other cells.
- Amoeba and white blood cell are examples of phagocytes.
- Phagocytosis can be a means of feeding.
Which of the statements given above is/are correct?
[A] Only 1
[B] Only 3
[C] Only 1 & 3
[D] 1, 2 & 3
Show Answer
Correct Answer: D [1, 2 & 3]
Notes:- Phagocytosis is the process by which certain living cells called phagocytes ingest or engulf other cells or particles.
- The phagocyte may be a free-living one-celled organism, such as an amoeba, or one of the body cells, such as a white blood cell.
- In some forms of animal life, such as amoebas and sponges, phagocytosis is a means of feeding.
- In higher animals phagocytosis is chiefly a defensive reaction against infection and invasion of the body by foreign substances (antigens).
3. W12+ Blueprint was in news recently, it is a:
[A] Set of database for solutions to achieve safe drinking water for all
[B] Set of database for solutions to urban water challenges
[C] Set of database for solutions to clean Indian rivers
[D] Set of database for solutions to increase the ground water level
Show Answer
Correct Answer: B [Set of database for solutions to urban water challenges]
Notes:- The W12+ Blueprint committed knowledge sharing for water security challenges at Un Water Conference 2023.
- The W12+ Blueprint is one of the W12+ programs for urban water challenges.
- The W12+ Blueprint is an online information tool for urban water solutions.
- It was launched by two NGOs (SOS and ECOCIV) in partnership with UNESCO IHP.
- The platform is dynamic, interactive knowledge-sharing database of case studies and best-practice water solutions at city-level.
- The W12+ Blueprint is an informational database for solutions to urban water challenges.
- Two cities from India are listed in this Blueprint: Bengaluru – Community Leadership for Water Source Rejuvenation and Chennai- Rainwater Harvesting Policy for Enhanced Supply.
