Explanation

The first constitution of Pakistan was enforced on March 23, 1956

Additional information

List of the Constitution of Pakistan 1947 to date

First:   1956 Constitution

• Adoption Date: 23rd March 1956

• Prime Minister: Chaudhry Muhammad Ali

• President: Iskander Mirza

Second: 1962 Constitution

• Adoption Date: 8th June 1962

• Prime Minister: Muhammad Ayub Khan (also President at the time)

Third: 1973 Constitution

• Adoption Date: 12th April 1973

• Prime Minister: Zulfikar Ali Bhutto

• President: Fazal Ilahi Chaudhry

  
  

  Last updated by NA on 25-April-2026

Explanation

• “When she was in the university” shows a past habit.
• “Would” is used to describe repeated past actions/habits.
• So the correct sentence is: She would wake up early in the morning.

Last verified on 04-06-2026

Explanation

• The Battle of Badr is the first battle of Islam
• On 17 Ramadan, 2 AH (March 13, 624 CE)
• "Badr" means "full moon" in Arabic.
• Also called Furqan and The Day of the Criterion.
• Took place in the valley of Badr, located in the Hejazi region
• Muslims: Approx. 313 men (82 Muhajirun and 231 Ansar).
• Quraysh: Approx. 1000 soldiers led by Abu Jahl.
• 82-85 Muhajirun and 231 Ansar (61 from Aws and 170 from Khazraj).
• 2 horses and 70 camels.
• Fourteen Muslims were killed, while 70 Kufar were killed and 70 captured.

Last updated question by NA 22-April-2026

Explanation

Explanation

The kidney is the primary organ responsible for filtering blood in the human body.

Each kidney contains approximately one million microscopic units called nephrons

They actively remove metabolic wastes (such as urea and creatinine)

Explanation

• Scientist: Edward Jenner
  • Discovery Year: 1796
  • Vaccine Type: Smallpox
  • Significance: First ever successful preventive vaccine
  • Extra Fact: Smallpox was declared eradicated in 1980 by WHO

Additional information:

• Edward Jenner is often called the “Father of Immunology.”

Last verified on 16-01-2026

Explanation

The direction of energy flow in an ecosystem is unidirectional, moving through various trophic levels successively.

It begins with the input of solar energy, which is captured by primary producers, such as plants, through photosynthesis.

Explanation

Acetic acid (CH3COOH) has the highest boiling point among the given options due to its strong capacity for hydrogen bonding.

Acetic acid (CH3COOH) has the highest boiling point among the given options due to the presence of strong intermolecular forces called hydrogen bonding.

The carboxyl group (-COOH) in acetic acid allows for hydrogen bonding with other acetic acid molecules,

This results in a significantly higher boiling point compared to the other compounds. 

Explanation

Explanation

A gas being cooled is a system where entropy is decreasing. 

When a gas is cooled, its molecules slow down and become more ordered, leading to a decrease in entropy.