Explanation

• Hepatitis A spreads mainly through contaminated water or food.
• Common in areas with poor sanitation.
• It is a fecal-oral transmission disease.

Last verified on 31-03-2026

Explanation

• Hepatitis A is primarily spread through the fecal-oral route, often via consumption of contaminated food or water.
• It can be prevented by maintaining good hygiene, ensuring safe drinking water, and vaccination.

Last verified on 31-03-2026

Explanation

• Rainfall is measured using a Rain Gauge.
• It collects rainwater and measures it in millimeters (mm).
• Widely used in weather forecasting and meteorology.
• Helps in studying climate and agriculture patterns.

Last verified on 31-03-2026

Explanation

• Conductors are materials that allow electricity to flow through them, such as copper, aluminum, and gold.
• They have a high concentration of free electrons, which are able to move freely within the material.

Additional information:

• Materials that do not allow electricity to pass through them are called insulators.

Last verified on 07-03-2026

Explanation

• The average adult has a blood volume of about 5 liters (5-6 litres), though this can range from 4.5 to 5.5 liters.
• Male: About 5.5 liters.
• Female: About 4.5 liters.
• Proportion: Blood makes up roughly 7% of a person's total body weight. 

Last verified on 30-03-2026

Explanation

• Jupiter's diameter is about 11 times the diameter of Earth.
• Jupiter is the largest planet in our solar system.

Last verified on 30-03-2026

Explanation

• The freezing point of heavy water is 3.82°C:
• Heavy water (D2O) Regular water
• Freezing point 3.82°C 0°C |
• Boiling point 101.42°C 100°C | 
• Heavy water is made up of two deuterium atoms and one oxygen atom.
• It contains more deuterium, a hydrogen isotope, than regular water, which contains hydrogen-1.
• Heavy water is used in reaction mechanisms.
• It is is prepared by electrolyzing water.

Last verified on 30-03-2026

Explanation

Saturn is the second-largest planet in the solar system.

Ganymede (Moon of Jupiter) is the largest satellite in the solar system.

Planets and Natural Satellites:

• Mercury: 0
• Venus: 0
• Earth: 1 (Moon)
• Mars: 2 (Deimos, Phobos)
• Jupiter: 95
• Saturn: 274
• Uranus: 27

Last verified on 30-03-2026

Explanation

• Guava is rich in Vitamin C.
• Contains more Vitamin C than oranges per 100 g.
• Strengthens immunity and skin health.
• Helps in iron absorption and antioxidant protection.

Last verified on 30-03-2026

Explanation

Samuel Hahnemann

• Birth: 1755
• Death: 1843
• Country: Germany
• Principle: “Similia similibus curentur” (like cures like)
• Famous work: Organon of Medicine

Last verified on 30-03-2026