General Knowledge MCQs
Topic Notes: General Knowledge
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
11
What is the study of the distribution and determinants of health-related states in populations called?
Answer:
Epidemiology
Epidemiology is the cornerstone of public health, shaping policy decisions and evidence-based practice by identifying risk factors for disease.
12
Who proved that Yellow Fever is transmitted by mosquitoes?
Answer:
Walter Reed
Major Walter Reed led the team that confirmed the theory (proposed by Carlos Finlay) that yellow fever is transmitted by a particular mosquito species.
13
Which blood disorder is characterized by a lack of clotting factors, leading to excessive bleeding?
Answer:
Hemophilia
Hemophilia is an inherited genetic disorder that impairs the body's ability to make blood clots, a process needed to stop bleeding.
14
What does 'FDA' stand for?
Answer:
Food and Drug Administration
The FDA is the US agency responsible for protecting public health by ensuring the safety of food, drugs, and medical devices.
15
Which ancient Roman physician's theories dominated Western medicine for over 1,300 years?
Answer:
Galen
Galen's understanding of anatomy and physiology (humoral theory) was the medical authority until the Renaissance.
16
Who founded the American Red Cross?
Answer:
Clara Barton
Clara Barton, a Civil War nurse, founded the American Red Cross in 1881.
17
Which autoimmune disease destroys the insulin-producing beta cells in the pancreas?
Answer:
Type 1 Diabetes
Type 1 diabetes is a chronic condition where the pancreas produces little or no insulin due to autoimmune destruction.
18
What is 'ORS' (Oral Rehydration Salts) primarily used to treat?
Answer:
Dehydration caused by Diarrhea
ORS is a simple, cheap solution of sugar and salts that has saved millions of children from death due to dehydration from diarrhea.
19
Which surgical procedure involves making small incisions and using a camera (keyhole surgery)?
Answer:
Laparoscopy
Laparoscopy is a minimally invasive surgery using a thin, lighted tube put through a cut in the belly to look at the abdominal organs.
20
What is the function of a 'Stent' in cardiology?
Answer:
To keep an artery open
A stent is a tiny tube inserted into a blocked passageway (like an artery) to keep it open.