Explanation

Astronomy is the science that deals with stars, planets, moons, and all objects beyond Earth’s atmosphere.

It helps in understanding the origin, evolution, and structure of the universe.

Explanation

• Vitamin E is a fat-soluble vitamin important for protecting cells from oxidative damage.
• It is stored in the body’s fat tissues and liver.

Additional information:

• Vitamin E acts as an antioxidant.
• Found in nuts, seeds, vegetable oils, and green leafy vegetables.

Last verified on 17-01-2026

Explanation

• Sedimentary rocks are rocks formed by the deposition and compression of sediments over time.
• Also called stratified rocks because they are formed in layers (strata).
• Often porous, meaning they have small holes (pores) that can contain water or other fluids.

Additional information:

• Cover about 75% of the Earth's surface.
• Examples: Sandstone, Limestone, Shale.
• Usually softer and less dense than igneous rocks.

Explanation

• The Sui Gas Field, located near Sui in Balochistan Province, Pakistan.
• It was discovered by Pakistan Petroleum Limited in 1952.
• Production of Sui gas began in 1955.
• It remains the largest natural gas field in Pakistan.

Explanation

Explanation

The yeast used in baking bread is a single-celled fungus,

Specifically, a strain of Saccharomyces cerevisiae, 

It's a living microorganism that ferments sugars in dough, producing gases that cause bread to expand.

Explanation

Diphtheria primarily affects the nose, throat, and tonsils,

Forming a thick gray coating (pseudomembrane) that blocks airways

Tonsils & Larynx (Voice Box): These areas are also commonly affected. 

Explanation

• Electron: Discovered by J. J. Thomson, 1897

Additional information:

• Proton: Discovered by Ernest Rutherford, 1919
• Neutron: Discovered by James Chadwick, 1932
• Atomic Model Proposed: Plum Pudding Model
• Significance: First subatomic particle discovered

Last updated by NA on 05-11-2026

Explanation

• Scientist: Edward Jenner
  • Discovery Year: 1796
  • Vaccine Type: Smallpox
  • Significance: First ever successful preventive vaccine
  • Extra Fact: Smallpox was declared eradicated in 1980 by WHO

Additional information:

• Edward Jenner is often called the “Father of Immunology.”

Last verified on 16-01-2026

Explanation

• Founder: Mark Zuckerberg
• Founded in: February 4, 2004
• Headquarters: Menlo Park, California, USA
• Users (2023): Over 3 billion monthly active users
• Parent Company: Meta Platforms Inc.

Last verified on 16-01-2026