Explanation

• A Barometer is an instrument used to measure air (atmospheric) pressure.
• It helps in weather forecasting by measuring changes in atmospheric pressure.
• The mercury barometer is the oldest type of barometer.
• It was invented by Evangelista Torricelli in 1643.
• Barometers are widely used in meteorology and aviation.

Last verified on 09-07-2026

Explanation

• UNO Headquarters: Manhattan, New York City.

Additional information:

• UNO Stands for: United Nations Organization
• Founded: 24 October 1945 (after World War II 1939–1945)
• Member States: 193 countries
• Official Languages (6): Arabic, Chinese, English, French, Russian, Spanish
• Motto: “It’s your world!” (commonly used awareness slogan)
• Pakistan Joined UNO: 30 September 1947

Last verified on 10-06-2026

Explanation

• Baluchistan is the biggest province of Pakistan by area.
  
• It covers 43% of the area of Pakistan
• Capital City: Quetta
• Established: 1 July 1970

Additional information:

• Punjab is the biggest province of Pakistan by population.

Last verified on 26-05-2026

Explanation

• Abolish means to officially end, remove, or completely eliminate something.
• Do away with, eradicate, nullify, end, and obliterate all convey the idea of ending or removing something.
• Abolish means کسی چیز کو باضابطہ طور پر ختم کرنا، ہٹانا یا مکمل طور پر ختم کرنا
• Do away with, eradicate, nullify, end, and obliterate means کسی چیز کو باضابطہ طور پر ختم کرنا، ہٹانا یا مکمل طور پر ختم کرنا

Last verified on 25-08-2026

Explanation

• Tritium (³H) is the radioactive isotope of hydrogen.
• It undergoes beta (β) decay and changes into Helium-3.

Additional information:

• Hydrogen Isotopes: 3 (Protium, Deuterium, Tritium)
• Protium (¹H): 1 proton, 0 neutrons (Stable)
• Deuterium (²H): 1 proton, 1 neutron (Stable)
• Tritium (³H): 1 proton, 2 neutrons (Radioactive)
• Half-life of Tritium: Approximately 12.3 years

Last verified on 04-08-2026

Explanation

Pakistan has 4 provinces: Punjab, Sindh, KPK, Balochistan.

Largest Provinces by Population

1. Punjab
2. Sindh
3. Khyber Pakhtunkhwa
4. Balochistan

Largest Provinces by Area

1. Balochistan → 347,190 km²
2. Punjab → 205,344 km²
3. Sindh → 140,914 km²
4. Khyber Pakhtunkhwa → 74,521 km²

Last verified 30-03-2026

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

• Evaporation is the process of liquid changing into vapor.
• During this process, heat is absorbed from the surroundings.
• This causes a drop in temperature (cooling effect).
• That is why sweating cools the human body.
• Evaporation is a natural cooling phenomenon.

Last verified on 26-04-2026

Explanation

Pakistan won the Cricket World Cup in 1992

Edition: Fifth

Format: One Day International (ODI)

Venue: Australia & New Zealand

Final held: 25 March 1992

Final Venue: Melbourne

Winner: Pakistan (First title)

Runners-up: England

Participating teams: 09

Total Matches: 39

Most wickets taken by: Wasim Akram (18 wickets)

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Question updated on 11-02-2026

Explanation

• Pressure is a fundamental physical quantity that is defined as the force exerted per unit area.
• It is a measure of the strength of a force acting on a surface.
• It is typically measured in units such as Pascals (Pa) or pounds per square inch (PSI).

Last verified on 10-02-2026