Explanation

• World Environment Day is on 5 June.
• First observed in the city of Spokane in the USA in 1974.
• Established by the UN General Assembly in 1972.
• It is also called Eco Day.

Additional information:

Theme:

• 2020: Time for Nature in Colombia
• 2021: Ecosystem restoration in Pakistan
• 2022: Only One Earth in Sweden
• 2023: Solutions to Plastic Pollution in the Ivory Coast
• 2024: Land restoration, desertification, and drought resilience in Riyadh, Saudi Arabia
• 2025: Ending plastic pollution in South Korea
• Theme 2026: Inspired by Nature. For Climate. For Our Future in Azerbaijan

Explanation

• The Holy Quran was first translated in the subcontinent into Persian by Shah Waliullah Dehlavi in 1738.

Last verified on 16-05-2026

Explanation

• Diamond is a naturally occurring allotropic form of carbon.
• Allotropy means a single element can exist in more than one form with different structures and properties.
• It is extremely hard.
• It has a high melting point.
• It is widely used in jewelry and cutting tools.

Additional information:

• Graphite – soft, good conductor
• Fullerenes (C60) – spherical molecules
• Carbon nanotubes – tubular, high strength
• Amorphous carbon – coal, soot
• Lonsdaleite – hexagonal diamond

Last verified on 17-01-2026

Explanation

• Current Position: 72nd U.S. Secretary of State
• Assumed Office: 21 January 2025
• President: Donald Trump
• Preceded by: Antony Blinken
• Nationality: American
• 
  

Last verified on 15-05-2026

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Explanation

• Headquarters: Manila, Philippines
• Established: 19 December 1966
• Membership: 68 countries
• Asia & Pacific: 49
• Outside region (Non-Asian): 19

• Largest recipient of ADB loans: Pakistan
• Pakistan received highest ADB loans in 2022: $5.58 billion
• ADB loans & grants to Pakistan (2021): $1.31 billion
• Largest shareholder of ADB: Japan

Last verified on 20-06-2026

Explanation

• Light Year is the distance that light can travel in one year.
• The distance light travels in one year is known as light year.
• 1 light year is equal to 9.5 x 10¹²km.

Last verified on 30-03-2026

Explanation

OIC (Organization of Islamic Cooperation)

• Foundation Date: 25 September 1969
• Headquarters: Jeddah, Saudi Arabia
• Official Languages: Arabic, English, French
• Total Members: 57 countries
• First Summit: Rabat, Morocco
• Significance: Largest international organization after the UN

Last verified on 20-06-2026

Explanation

• CPU stands for Central Processing Unit.
• It is the main part of a computer that processes all instructions.
• It is considered the brain of the computer system.
• It performs all calculations and decision-making tasks.
• It controls the operations of all hardware and software.
• It is located on the motherboard.

Last verified on 10-06-2026

Explanation

United Nations Climate Change Conference 2025

• Edition: 30th 
• Starting date: 10 Nov 2025
• Closing date: 21 Nov 2025
• Venue: Brazil

Additional Information: 

• COP29 was held in Baku, Azerbaijan in 2024.

Last verified on 10-05-2026

Explanation

• Leader: Hussain Shaheed Suhrawardy
• Visit Year: 1956
• Chinese Counterpart: Premier Zhou Enlai
• Event: Signing of Treaty of Friendship Between China and Pakistan in Beijing
• Significance: Laid the foundation for long-term Pakistan-China relations

Last verified on 16-01-2026