Explanation

The standard incubation period for a chicken egg is 21 days under optimal temperature and humidity.

Hatching usually begins on day 21 if properly incubated.

Explanation

"To bear the palm" is an idiom that means to win or achieve victory.

The phrase originates from the Roman tradition of giving palm branches to victors.

Explanation

The correct expression is "leave alone", which means much less or let alone.

Example: He can’t afford food, leave alone a house.

Explanation

Call on means کال آن کا مطلب ہے

Pay a visit to someone means کسی سے ملاحظہ کریں

The idiom "call on" commonly means to visit someone, especially formally or socially.

Example: She decided to call on her grandmother over the weekend.

Explanation

Fortification is the process of adding essential nutrients like vitamins to food, such as adding vitamin D to milk.

It helps prevent nutritional deficiencies in the population.

Explanation

Article 9A guarantees the right to a clean, healthy, and sustainable environment.

It was introduced through the 26th Amendment to the Constitution.

It explicitly states: “Every person shall be entitled to a clean, healthy and sustainable environment.”

Explanation

Active immunity is developed when the body’s immune system responds to an infection by producing its own antibodies.

Passive immunity occurs through injection or transfer of antibodies, but active immunity requires antigen exposure.

Explanation

Hemorrhagic Septicemia in buffaloes is caused by Pasteurella multocida.

It is a highly fatal bacterial disease causing septicemia and hemorrhages.

Explanation

• Umm al-Mu'minin Hafsah, daughter of Umar (رضي الله عنه).
• She was the wife of Prophet Muhammad ﷺ.
• She was the first woman known as a "Hafiz e Quran."
• Her marriage to the Prophet ﷺ took place in 3 A.H.
• She was born in 605 AD in Mecca.
• She was passed away in 665 AD in Medina.

Explanation

An ulcer is a wound that fails to heal and often becomes chronic.

Unlike contaminated or infected wounds, ulcers persist over time with tissue loss.