General Science/Everyday Science MCQs
Topic Notes: General Science/Everyday Science
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
21
Match diseases with mode of transmission:
Answer:
Air-borne | 1. Tuberculosis
TB spreads through air, cholera via water, syphilis by contact, and tetanus through wounds. Proper classification aids in control measures. Each has distinct prevention methods.
22
Obesity increases risk of:
Answer:
All of the above
Obesity is a major risk factor for hypertension, diabetes, and heart disease. Excess weight strains the circulatory system and metabolism. Lifestyle changes reduce risks.
23
Which of the following is a skin disease?
Answer:
skin disease?
Pellagra is caused by niacin (vitamin B3) deficiency. Symptoms include dermatitis, diarrhea, and dementia. It is most visible as skin lesions.
24
Which group includes only viral diseases?
Answer:
Measles, smallpox, mumps, rabies
All are viral diseases spread by human-to-human contact. Cholera, TB, meningitis, and syphilis are bacterial. Recognizing pathogen type aids in prevention and treatment.
25
Scurvy symptoms include:
Answer:
Bleeding gums, soreness of mouth, dry skin
Scurvy results from vitamin C deficiency. Classic symptoms include bleeding gums, skin problems, and mouth soreness. Historically, it affected sailors lacking fresh fruits.
26
Which pair is incorrect?
Answer:
Rickets – Pancreas
Rickets affects bones due to vitamin D deficiency, not the pancreas. Asthma affects lungs, influenza affects the respiratory tract, and malaria often enlarges the spleen. This checks disease-organ matching.
27
Match the following diseases and organisms:
Answer:
Cholera | 1. Bacterium
Cholera is bacterial, mumps viral, ringworm fungal, and sleeping sickness protozoan. This classification highlights different pathogenic groups. Correct pairing is crucial in treatment strategies.
28
Jaundice primarily affects the:
Answer:
Liver
Jaundice is yellowing of skin and eyes due to excess bilirubin. It indicates liver or bile duct problems. It can be caused by infections, stones, or liver damage.
29
Which disease is genetic?
Answer:
Colour blindness
Colour blindness is inherited and caused by mutations on the X chromosome. It affects the ability to distinguish certain colors. There is no cure but vision aids help.
30
Meningitis affects the:
Answer:
Central nervous system
Meningitis is inflammation of the protective membranes of the brain and spinal cord. It may be bacterial or viral. Symptoms include headache, fever, and stiff neck.