Explanation

• Headquarters: Geneva, Switzerland
• UNHCR: United Nations High Commission for Refugees
• Founded: 1950
• Purpose: Protection and assistance of refugees
• Won Nobel Peace Prize: 1954

Last verified on 19-01-2026

Explanation

• The Green Revolution (1960s–70s) introduced dwarf, high-yielding crop varieties.
• These varieties respond well to fertilizers and irrigation, increasing production.
• Mainly applied to wheat and rice in developing countries.
• Helped reduce hunger and improve food security globally.
• Introduced by scientists like Norman Borlaug.

Last verified on 12-02-2026

Explanation

• First World population day was celebrated in 1987.
• World population day is observed on July 11.

Additional information:

• Theme 2024: Leave no one behind, count everyone
• Theme 2025: Empowering young people to create the families they want in a fair and hopeful world.

Last verified on 01-02-2026

Explanation

• Plants need gas exchange for photosynthesis and respiration.
• Exchange of CO₂, O₂, and water vapor occurs through stomata on leaves.
• Stomata are tiny pores controlled by guard cells.

Additional information:

• Helps maintain internal water balance and gas diffusion.
• Essential for growth, energy production, and transpiration.

Last verified on 22-01-2026

Explanation

Major Kharif Crops

1. Rice
2. Sugarcane
3. Cotton
4. Maize
5. Bajra
6. Jowar

• Start: April – June
• End: September – October

• Sowing: October – December
• Harvesting: March – May

Last verified on 27-01-2026

Explanation

• Agriculture remains a key contributor to Pakistan’s economy.
• It directly contributes close to 24% of the country’s Gross Domestic Product (GDP).

Last verified on 03-02-2026

Explanation

• Metals allow electricity to pass through them easily.
• Among all metals, silver has the highest electrical conductivity.
• Copper and gold are also very good conductors.
• Silver is widely used in high-precision electrical applications.
• Copper is commonly used in wiring due to cost-effectiveness.

Last verified on 16-05-2026

Explanation

• Vitamin A deficiency → Night blindness (Nyctalopia)
• Vitamin A is important for vision and immune function.

Additional information:

• Vitamin K is essential for blood clotting.
• Vitamin D helps in calcium absorption and bone mineralization.
• Vitamin B1 supports nerve function and energy metabolism.

Last verified on 01-02-2026

Explanation

• The Treaty of Versailles was a peace treaty signed on 28 June 1919.
• Exactly five years after the assassination of Archduke Franz Ferdinand
• Ended  World War I Between Germany and the Allied Powers.
• Location: Hall of Mirrors in the Palace of Versailles, France
• Effective: 10 January 1920
• Languages: French and English

Last updated by NA on 27 April 2026

Explanation