Explanation

Biogas is produced under anaerobic conditions; the process is denominated as anaerobic digestion.

The major constituent of biogas is methane (55-70%), CO2 (30-45%) and some traces of gases such as H2S and ammonia.

Explanation

The phrase "It takes two to make a quarrel" is a common expression.

"To" correctly connects "takes two" with "make a quarrel."

Explanation

Article 24 of the Constitution of Pakistan (1973) guarantees the fundamental right to acquire, hold, and dispose of property for all citizens.

Explanation

اسم ظرف کی دو اقسام ہیں: اسم ظرف زماں اور اسم ظرف مکاں۔ 

اسم ظرف کی اقسام

اسم ظرف زماں:

وہ اسم جو کسی وقت یا زمانے کو ظاہر کرے۔

مثالیں: صبح، شام، رات، دن، سال۔

اسم ظرف مکاں:

وہ اسم جو کسی جگہ یا مقام کو ظاہر کرے۔

مثالیں: اسکول، گھر، میدان، مسجد۔

Last updated 27-07-2026 by NA

Explanation

• Sir Syed Ahmad Khan wrote the book Khutbat-e-Ahmadiya.
• Published: 1870
• Purpose: A scientific and historical defense of the life of Prophet Muhammad (PBUH).

Explanation

• The acceleration due to gravity is 9.8 m/s² downward.
• This force acts on the ball throughout its motion.
• This pulling it back to the ground after it is thrown upwards.

Last updated 27-07-2026 by NA

Explanation

• Karachi is historically known as the "Paris of Asia"
• Because During the 1920s, Karachi was regarded as one of the cleanest urban centers in South Asia
• This title was given to the city during the British Raj

Additional information 

• Karachi is the largest city of Pakistan.
• Served as Pakistan's first capital (1947–1959).

Last updated 27-07-2026 by NA

Explanation

• Robert Watson-Watt: Scottish engineer and inventor.
• Known For: Developing the first practical radar system.
• First Demonstration: 1935

Additional information

• Radar: Stands for Radio Detection and Ranging.
• Function: Uses radio waves to detect and locate objects.
• Importance: Played a crucial role during World War II.

Explanation

• Origin: Began in 776 BC in Olympia, Greece.
• Purpose: Religious festival honoring the Greek god Zeus.
• Frequency: Celebrated every four years, known as an Olympiad
• .Events: Expanded from one footrace to multi-day sports.
• Demise: Banned around 393 CE by Emperor Theodosius I.

Last updated 27-07-2026 by NA

Explanation

• A table in Microsoft Word is a grid-like structure composed of:
• Rows (horizontal lines)
• Columns (vertical lines)
• These rows and columns intersect to form cells, which can contain text, images, or other content.

Last updated 27-07-2026 by NA