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

• 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

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

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

Explanation

1. Palatine Hill (original settlement of Romulus)
2. Capitoline Hill
3. Quirinal Hill
4. Viminal Hill
5. Esquiline Hill
6. Caelian Hill
7. Aventine Hill

Last verified on 01-04-2026

Explanation

• St. Petersburg (سینٹ پیٹرز برگ) is a major city in Russia.
• It was originally named St. Petersburg, renamed Petrograd in 1914 during World War I.
• Later, in 1924, it was renamed Leningrad in honor of Vladimir Lenin.
• After the fall of the Soviet Union in 1991, it reverted to its original name St. Petersburg.

Last verified on 01-04-2026

Explanation

• Habsha is the historic name for Ethiopia.
• It is located in the Horn of Africa.
• The Migration to Abyssinia, also known as the First Hegira.

Last verified on 19-03-2026

Explanation

• Ornithology is the branch of zoology that deals with the study of birds.
• It includes bird behavior, classification, and migration patterns.
• Scientists who study birds are called ornithologists.

Last verified on 10-06-2026

Explanation

• PowerPoint allows an unlimited number of slides in a presentation.
• There is no fixed or hard-coded slide limit in MS PowerPoint.
• The number of slides depends on system memory (RAM) and file size.
• Very large presentations may slow down performance.

Last verified on 08-06-2026