DAILY CURRENT AFFAIRS QUIZ – 28 January 2025

Answer: c

Explanation:

• Researchers have found that before being diagnosed with multiple sclerosis (MS), individuals tended to experience certain health issues.
• These issues include depression, constipation, urinary tract infections, and sexual problems.
• Multiple Sclerosis is a chronic disease affecting the central nervous system.
• In MS, the immune system targets cells in the myelin, the protective covering around nerves in the brain and spinal cord.
• The damage to the myelin disrupts nerve signals between the brain and other parts of the body, resulting in symptoms that impact the brain, spinal cord, and eyes.

Answer: b) Regeneration of lost limbs

Explanation: Salamanders are known for their ability to regenerate lost limbs, including tails and toes. This unique characteristic enhances their survival by allowing them to recover from injuries and attacks from predators.

Answer: b) An anti-caste activist and practitioner of Siddha medicine.

Explanation: Iyothee Thass Pandithar was a prominent anti-caste activist and practitioner of Siddha medicine.

Answer: c) The condition of having gallstones.

Explanation: Cholelithiasis is the condition of having gallstones, which are hardened deposits of digestive fluid that form in the gallbladder.

Answer: c) Planets in our galaxy with radii between Earth and Neptune.

Explanation: Sub-Neptune planets are the most commonly observed type of planets in our galaxy, and they have radii between that of Earth and Neptune.