Explanation

• Hydrophytes have poorly developed roots.
• Because they live in water and can absorb water directly from their surroundings.

Additional information:

Key Characteristics of Hydrophytes:

• Reduced xylem tissue
• Large air spaces in tissues (aerenchyma)
• Thin or absent cuticle
• Flexible stems and leaves

Examples include water lily and Hydrilla.

Last verified on 23-06-2026

Explanation

• The audible range of a normal human ear is 20 Hz to 20,000 Hz (20 kHz).
• Below 20 Hz: Infrasound
• Above 20 kHz: Ultrasound
• Unit of frequency: Hertz (Hz)

Last verified on 23-06-2026

Explanation

• Mercury is the smallest planet in our solar system.
• Mercury with a diameter of 4,879 km (3031.67 mi).
• Nearest Planet to Sun.
• Fastest Planet.

Last verified on 23-06-2026

Explanation

• The Aral Sea is located between Kazakhstan (north) and Uzbekistan (south).
• They are the two countries directly bordering its waters.
• Type: Endorheic lake (closed inland lake)
• Location: Central Asia

Main rivers feeding it:

1. Amu Darya
2. Syr Darya

The states that share the water of the Aral Sea are:

1. Kazakhstan
2. Uzbekistan
3. Turkmenistan
4. Tajikistan
5. Kyrgyzstan
6. Afghanistan
7. Iran

Last verified on 23-06-2026

Explanation

• William Harvey discovered the circulation of blood.
• He was the first physician to completely describe systemic blood circulation.
• Famous book: De Motu Cordis (On the Motion of the Heart and Blood) (1628)
• He is known as the Father of Circulation of Blood.

Additional information:

• Birth: 1578
• Death: 1657

Last verified on 23-06-2026

Explanation

• Pakistan joined the Non-Aligned Movement (NAM) in 1979.
• It is joined to strengthen relations with developing countries.

Additional information:

• Founded: 1961
• Founding Conference: Belgrade, Serbia
• Members: 120 developing countries
• Headquarters: Jakarta, Indonesia
• Founding Leaders: Jawaharlal Nehru, Sukarno, Josip Broz Tito, Kwame Nkrumah, Gamal Abdel Nasser

Last verified on 23-06-2026

Explanation

• The Indus Waters Treaty was signed on September 19, 1960, in Karachi.
• It was signed between Pakistan (President Ayub Khan) and India (Prime Minister Jawaharlal Nehru).
• It was brokered by the World Bank.

It became effective on April 1, 1960.

• Western Rivers (given to Pakistan): Indus, Jhelum, Chenab
• Eastern Rivers (given to India): Ravi, Beas, Sutlej

Last verified on 30-03-2026

Explanation

• Term length: 5 years
• Appointing authority: President of Pakistan
• Institution: State Bank of Pakistan (SBP)
• First Governor: Zahid Hussain (1948–1953)
• First female Governor: Dr. Shamshad Akhtar (2006)

Must read:

Who is the current Governor of the State Bank of Pakistan (SBP)?

Last verified on 22-06-2026

Explanation

• Under the 1973 Constitution of Pakistan, the minimum age for a Senator is 30 years.
• The condition is mentioned in Article 62 of the Constitution.

Additional information:

• Member National Assembly (MNA): 25 years
  Prime Minister: Must be an MNA (minimum 25 years)
  President of Pakistan: 45 years

Last verified on 12-01-2026

Explanation

• Main focus: Maritime security threats
• Key area: Red Sea shipping routes
• Activities: Anti-piracy & anti-sea strike operations
• Theme: Protection of global trade lanes
• Exercise name: “Will for Peace 2026”

Last verified on 22-06-2026