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

• Vitamin C deficiency causes scurvy.
• It can cause bleeding/loose gums, easy bruising, and poor wound healing.
• Other signs include rough skin, corkscrew hair, and red spots around hair follicles.
• Rickets is mainly caused by Vitamin D deficiency.

Last verified on 13-09-2026

Explanation

• The headquarters of the International Court of Justice is in The Hague, Netherlands.
• ICJ is one of the six principal organs of the United Nations.
• It consists of 15 judges, elected for 9-year terms.

• Founded: 1945
• Official Languages: English, French
• Member States: UN member countries
• Main Function: Settling legal disputes between states

Explanation

• Insulin is produced by the pancreas.
• The pancreas contains clusters of cells called the Islets of Langerhans.
• Beta (β) cells within these islets produce and secrete insulin.
• Insulin helps regulate blood glucose (sugar) levels by promoting glucose uptake into cells.

Last verified on 07-09-2026

Explanation

• Nitrogen (N₂) → 78%

Additional information:

• Oxygen (O₂) → 21%
• Argon (Ar) → 0.93%
• Carbon dioxide (CO₂) → 0.04% (approximately)
• Other gases → Trace amounts

Last verified on 28-06-2026

Explanation

• The United States is the world's largest crude oil-producing country.

Additional information:

• United States – 18.60 million barrels/day (mb/d)
• Saudi Arabia – 11.01 mb/d
• Russia – 10.50 mb/d
• Canada – 5.29 mb/d
• Iraq – 4–5 mb/d

Last updated 25-07-2026 by NA

Explanation

• We use agree to when talking about a proposal, plan, suggestion, request, or offer.
• Therefore, the correct sentence is: "She agrees to my proposal."
• "Agree to" means to accept or approve something.

Last verified on 11-07-2026

Explanation

• Accommodation means رہائش
• Accommodation refers to a place to live or stay (lodging).

Last verified on 08-06-2026

Explanation

• The border between Pakistan and Afghanistan is called the Durand Line.
• It was drawn in 1893.
• It was established as the official border between British India and Afghanistan.
• British representative: Sir Mortimer Durand
• Afghan ruler: Amir Abdur Rahman Khan
• Length: Around 2,640 km (2,611 km)

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Last verified on 09-06-2026

Explanation

Last verified on 23-06-2026