Explanation

• Organic matter in soil comes from decayed plants and animals.
• It improves fertility, water retention, and soil structure.
• In Pakistani soils, organic matter is generally less than 1% due to arid climate and low vegetation.

Last verified on 22-01-2026

Explanation

• The ability of soil to resist rupture or deformation under stress is called consistency.
• Indicates how hard, soft, or plastic the soil is.

Additional information:

• Important for engineering, construction, and agriculture.
• Helps determine suitability for foundations, roads, and irrigation.
• Measured using tests like Atterberg limits for clay soils.

Last verified on 22-01-2026

Explanation

• Seeds absorb or release moisture during storage depending on air humidity.
• After a certain period, seed moisture becomes stable.
• This stable moisture level is called equilibrium moisture.
• It depends on temperature and relative humidity of the storage place.
• Important for seed quality and viability.

Last verified on 22-01-2026

Explanation

• Modern agriculture prefers eco-friendly pest management methods.
• Integrated Pest Control (IPC) uses all possible pest control methods together.
• It avoids heavy reliance on chemical pesticides to protect the environment.
• Combines biological, mechanical, cultural, and limited chemical methods.

Additional information:

• Also known as Integrated Pest Management (IPM).
• Recommended by FAO and agricultural research organizations worldwide.

Last verified on 22-01-2026

Explanation

• In pesticides, additives are chemicals mixed to improve effectiveness.
• A chemical added to increase the activity or effectiveness of a pesticide is called an activator.
• Activators help pesticides work faster or more efficiently.

Last verified on 22-01-2026

Explanation

• Full Name: Dr. Aafia Siddiqui
• Arrested: 2008 (Afghanistan)
• Sentence: 86 years (2010)
• Prison: FMC Carswell, Texas (USA)
• Education: MIT (USA), Brandeis University

Last verified on 22-01-2026

Explanation

“University” starts with a consonant sound ‘yoo’.

So actually we use “a University”.

Additional information:

• Use “A” before words with consonant sounds, even if the spelling starts with a vowel.
• Use “An” before vowel sounds (e.g., an apple, an hour).

Last verified on 20-01-2026

Explanation

• The Home tab contains tools for text formatting, including font style, size, color, and alignment.
• It is the primary tab used for editing and styling the content of a document.

Additional information:

• Home tab also includes clipboard, paragraph, and styles groups.

Last verified on 20-01-2026

Explanation

• In computers, input, processing, and output are the main functions.
• A song being played represents output, as the computer is producing sound for the user.
• Input would be typing or clicking, processing is computations or data handling.

Additional information:

• Output devices include speakers, monitor, and printer.
• Computers convert processed data into user-friendly form via output.

Last verified on 20-01-2026

Explanation

• Marathon race is a long-distance running event standardized internationally.
• The official distance is 42.195 km (26.2 miles).
• Standardized at the 1908 London Olympics to start at Windsor Castle and finish in front of the royal box.
  

Last verified on 20-01-2026