Explanation

• Date: 10 December
• Date and Year of UDHR adoption: 10 December 1948
• Adopted by: United Nations General Assembly
• Document: Universal Declaration of Human Rights (UDHR)
• Purpose: Protection and promotion of human rights
• 2025 Slogan: "Human Rights, Our Everyday Essentials".

Last verified on 06-04-2026

Explanation

• Author: Benazir Bhutto
• Book Type: Autobiography
• Published: 7th January 1989
• Publisher: Simon & Schuster
• Theme: Politics, struggle, democracy

Additional information:

• Benazir Bhutto was the first female Prime Minister of Pakistan.
• She served two non-consecutive terms: 1988–1990 and 1993–1996.

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

• Mars is known as the Red Planet due to its reddish appearance.
• Its surface contains iron oxide (rust) which gives it a red color.
• It is the 4th planet from the Sun in the solar system.
• Mars has two small moons: Phobos and Deimos.
• Mars is often called the “planet of future exploration”.

Last verified on 12-06-2026

Explanation

• Radius is a singular noun; its traditional Latin plural is radii.
• In mathematics and geometry, radii is the standard plural form.
• Example: The radii of the circles were measured accurately.

Last verified on 06-06-2026

Explanation

• Mitochondria are called the powerhouse of the cell.
• Because they produce Adenosine Triphosphate (ATP).
• ATP is the energy currency of the cell.
• ATP provides energy for different cellular activities such as movement, growth, and transport.
• Energy is produced through aerobic cellular respiration using oxygen and الغذائی molecules.
• They are found in the cytoplasm of most eukaryotic cells.
• Richard Altmann first described mitochondria in 1890.

Main Parts of a Cell:

1. Cell membrane → Outer protective layer
2. Nucleus → Controls cell activities
3. Cytoplasm → Jelly-like material between membrane and nucleus

Last verified on 09-05-2026

Explanation

• The hardest substance in the world is diamond.
• Its hardness is due to the strong covalent bonding between its carbon atoms.
• This making it the most resistant to scratching.

Additional information:

• Category: Native minerals
• Cleavage: 111 (perfect in four directions)
• Crystal class: Hexoctahedral (m3m); H-M symbol: (4/m 3 2/m)
• Crystal habit: Octahedral
• Crystal system: Cubic
• Dana classification: 1.3.6.1
• Density: 3.5–3.53 g/cm3 3500–3530 kg/m3

Last verified on 07-06-2026

Explanation

• He said that he could solve it then
• “Can” changes to could in reported speech (backshift of tense).
• “Now” changes to then in indirect speech.
• Sentence structure remains: He said that + subject + past modal + verb.

Last verified on 07-06-2026

Explanation

• Quiescent means خاموش
• Active means متحرک، فعال

Last verified on 06-06-2026

Explanation

• Smog is a form of air pollution formed by smoke + fog.
• It mainly occurs in big cities due to vehicle and factory emissions.
• It reduces visibility and causes breathing problems.
• Smog is a serious environmental and health hazard.

Last verified on 06-06-2026