GK Current Affairs - Questions & Answers - 20 January 2025
GK Current Affairs - Questions & Answers - 20 January 2025
Sperm Quality & Quantity
Stay updated with the latest current affairs through our daily quiz! Today's topics cover a wide range of subjects, including Genetic Lottery, Turtle Dance, King Cobra, Artificial Brain, Sperm Count, Anaemia, Kho Kho, Heart, Musi River, and Satellites. Test your knowledge and deepen your understanding of these significant events and discoveries. Stay engaged with our quiz for the most relevant and thought-provoking questions on today's headlines!
GK Current Affairs - Questions & Answers
Ques. What is the genetic lottery?
Ans. The genetic lottery refers to the random combination of genes inherited from parents, determining traits such as appearance, health, and intelligence. It highlights the unpredictability of genetic outcomes and their influence on individual life circumstances.
Ques What is turtle dance?
Ans. Turtle dance is a fascinating natural display in which turtles move rhythmically, often during courtship or mating. They showcase synchronized intricate swimming patterns, head bobbing, or fin waving—a mesmerizing underwater spectacle of grace and harmony.
Ques. How will King Cobra's introduction into Madhya Pradesh forests maintain ecological balance?
Ans. As the top predator, the King Cobra can help maintain ecological balance by regulating the population of other snake species, and its prey base. The snake bite cases in the state can also be curbed drastically if the king cobra is introduced in the state.
Ques. What is a device that mimics the structure and functioning of the human brain?
Ans. A neuromorphic device mimics the structure and functioning of the human brain, using artificial neurons and synapses to process information. These devices aim to enhance computing efficiency and enable advanced machine learning and cognitive tasks.
Ques How does air pollution affect sperm quality?
Ans. There is a strong correlation between air pollution and declining sperm quality. Prolonged exposure to polluted air can lead to reduced semen volume, lower sperm concentration, reduced motility, and abnormal morphology.
Ques. What is pernicious anaemia? How is it influenced by air pollution?
Ans. Air pollution can exacerbate pernicious anaemia, a condition caused by vitamin B12 deficiency. Pollutants increase oxidative stress and inflammation, impairing B12 absorption and utilization, while also damaging gut heal.
Ques. Where did the first Kho Kho World Cup held? Who are the winners?
Ans. The inaugural Kho Kho World Cup, held at Indira Gandhi Indoor Stadium, New Delhi, saw India’s men’s and women’s teams crowned champions, defeating Nepal with scores of 54-36 and 78-40, respectively.
Ans. The inaugural Kho Kho World Cup, held at Indira Gandhi Indoor Stadium, New Delhi, saw India’s men’s and women’s teams crowned champions, defeating Nepal with scores of 54-36 and 78-40, respectively.
Ques. How does winter increase strokes?
Ans. Winter increases stroke risk by raising blood pressure, thickening blood, and narrowing vessels (vasoconstriction). Cold weather, inactivity, and underlying conditions like hypertension heighten the chances of ischemic strokes. Early recognition and timely intervention are crucial for better outcomes.
Ques. What are the Musi River Heritage Sites Recognized by WMF?
Ans. Musi river heritage sites in Hyderabad recognised by the World Monuments Fund (WMF) are Telangana High Court, State Central Library, Osmania General Hospital, and British Residency.
Ques. What are firefly constellation satteites?
Ans. Pixxel's Firefly constellation satellites, launched from California's Vandenberg Space Force Base via SpaceX's Transporter-12 mission, are high-resolution hyperspectral imaging satellites. They provide precise data for environmental monitoring, agriculture, climate analysis, and advanced Earth observation.
Ques. What is the Vikas liquid engine?
Ans. ISRO's Vikas liquid engine powers PSLV and GSLV rockets. It uses hypergolic propellants and offers reliable performance for satellite launches, space missions, and India's advancing space exploration programs.
Ques. What are hypergolic propellants? Give examples.
Ans. Hypergolic propellants ignite spontaneously upon contact between fuel and oxidizer without an ignition system. They are (I) Hydrazine and Nitrogen Tetroxide (N2O4), (ii) Monomethylhydrazine (MMH) and (Nitrogen Tetroxide Aerozine 50 and (iii) Nitrogen Tetroxide - A blend of hydrazine and unsymmetrical dimethylhydrazine (UDMH).
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