Explanation

• Vitamin A deficiency → Night blindness (Nyctalopia)
• Vitamin A is important for vision and immune function.

Additional information:

• Vitamin K is essential for blood clotting.
• Vitamin D helps in calcium absorption and bone mineralization.
• Vitamin B1 supports nerve function and energy metabolism.

Last verified on 01-02-2026

Explanation

• Dawn newspaper was founded by Quaid-e-Azam Muhammad Ali Jinnah.
• It was established on 26 October 1941 in Delhi (British India).
• The main purpose was to support the Muslim League’s political voice.
• It later became a major English newspaper of Pakistan after independence.

Last verified on 03-05-2026

Explanation

Composition of Air:

• Nitrogen → 78%
• Oxygen → 20.95%
• Argon → 0.93%
• Carbon dioxide → 0.04%
• Other gases → very small traces

Last verified on 30-04-2026

Explanation

• Rear view mirrors in vehicles are convex mirrors.
• They give a wider field of view.
• Images formed are virtual, upright, and smaller.
• This helps drivers see more traffic behind them.
• It is a curved mirror that bulges outward.
• It is commonly used in side mirrors of cars, buses, and motorcycles.

Last verified 26-04-2026

Explanation

• Karachi was the first capital of Pakistan 
• From 1947 until 1959, for 12 years
• Selected by Muhammad Ali Jinnah.
• Interim Capital (1959–1967): Rawalpindi.
• Current Capital ( August 14, 1967–Present): Islamabad. 

Last updated by NA on 25-April-2026

Explanation

• A barometer measures atmospheric (air) pressure.
• It helps in weather forecasting, detecting storms, and studying climate changes.
• Two common types of barometers: mercury barometer and aneroid barometer.

Last verified on 13-03-2026

Explanation

The headquarters of the United Nations is located in the United States, specifically in New York City

Founded: October 24, 1945, San Francisco, California, United States

UNO Membership: 193 member states; 2 observer states

UNO Official languages:

1. Arabic;
2. Chinese;
3. English;
4. French;
5. Russian;
6. Spanish;

*****

Pakistan joined the United Nations on September 30, 1947, just over a month after its independence

Explanation

• Designer: Amir Uddin Kidwai Adoption Date: 11 August 1947 (officially adopted) Additional information: Green field – represents Muslims of Pakistan White stripe – represents minorities and religious minorities’ rights Crescent and star – symbol of progress and light Proportion of flag: 2:3 (height:width)

Last verified on 16-01-2026

Explanation

• The tomb of Babur, the first Mughal Emperor, is located in Bagh-e Babur, Kabul (Afghanistan).
• He died on 5 January 1531 in Agra at the age of 47.
• Initially, he was buried in Agra.
• Later, his remains were shifted to Kabul as per his wish.
• He was reburied in Kabul between 1539–1544.

Last verified on 02-04-2026

Explanation

• The Pacific Ocean is the largest and deepest ocean on Earth.
• It covers about 30% of the Earth's surface.
• It contains 97% of the Earth's water.
• The Mariana Trench, the deepest part of the ocean.
• It is located in the Pacific.
• The Arctic Ocean is connected to the Pacific Ocean via the Bering Strait.

Additional information:

• Oceans cover 71% of the Earth's surface.
• The Indian Ocean is the warmest, with the Persian Gulf being the hottest area.
• The Diamantina Trench is the deepest point in the Indian Ocean.
  
• Jordan does not have an ocean.
• The Arctic Ocean is the Smallest Ocean of the world.

Last verified on 17-03-2026