Explanation

• The Indian Ocean is the third largest ocean in the world.
• It covers about 70 million square kilometers of Earth's surface.
• It lies between Africa, Asia, Australia, and Antarctica.
• It is named after India, because India lies at its northern boundary.

Additional information:

1. Pacific Ocean – Largest ocean (~165 million km²)
2. Atlantic Ocean – Second largest (~106 million km²)
3. Indian Ocean – Third largest (~70 million km²)
4. Southern Ocean – Fourth largest
5. Arctic Ocean – Smallest ocean

Last verified on 06-03-2026

Explanation

• Neil Armstrong was the first human to set foot on the Moon on July 20, 1969, during NASA's Apollo 11 mission.
• His famous words upon landing were, "That's one small step for man, one giant leap for mankind."

Additional information:

• Neil Alden Armstrong was died on August 25, 2012.
• He was born on August 5, 1930.

Last verified on 01-04-2026

Explanation

• Security Council Non-Permanent Members: 10
• Total Members: 15
• Permanent Members: 5 (China, France, Russia, United Kingdom, United States)
• Term of Non-Permanent Members: 2 years

Additional information:

• Organization: United Nations (UN/UNO)
• Founded: 24 October 1945
• Headquarters: New York City, United States
• Total Member States: 193
• Purpose: To maintain international peace and security.

Pakistan as Non-Permanent Member:

Pakistan has served 8 times in the Security Council:

1. 1952–1953
2. 1968–1969
3. 1976–1977
4. 1983–1984
5. 1993–1994
6. 2003–2004
7. 2012–2013
8. 2025–2026

Last verified on 28-01-2026

Explanation

• Battery is a device that converts chemical energy into electrical energy.
• Batteries work by using a galvanic cell.
• It is an electrochemical device made up of two electrodes and an electrolyte solution.

Last verified on 16-03-2026

Explanation

• A lactometer is used to measure the purity and density (thickness) of milk.
• It checks if milk has been adulterated with water by measuring specific gravity.
• Works on the principle of buoyancy.
• Pure milk specific gravity: 1.028–1.032 at 15°C

Last verified on 16-03-2026

Explanation

• The ozone layer acts as Earth’s natural sunscreen, protecting life from the sun’s harmful ultraviolet (UV) radiation.
• UV radiation can cause skin cancer, eye damage, and harm to plants and animals.

Additional information:

• Chemical Formula: O₃ (three oxygen atoms)
• Layer Location: Stratosphere, 15–40 km above Earth
• Function: Absorbs UV-B and UV-C rays from the Sun
• Depletion Causes: Air pollution, CFCs, industrial chemicals
• Protection Measures: Reduce CFC use, ozone-friendly products

Last verified on 09-03-2026

Explanation

• Fuzzy means جو صاف نہ ہو
• Clear means جو صاف ہو

Last verified on 06-03-2026

Explanation

Shukriya Khanum (c. 1935 – 14 May 2017) was a Pakistani pilot.

She was Pakistan’s first woman to obtain a commercial pilot license.

She was died of cancer in 2017 at the age of 82 in Lahore.

Explanation

Boisterous means ہلڑباز، ادھم مچانے والا

Noisy means شور

Explanation