Explanation

Khizer Tiwana was the last Prime Minister of United Punjab, serving from 1942 until 1947, shortly before the partition of British India.

Sir Sikandar Hayat Khan was the first Prime Minister of United Punjab, holding office from 1937 to 1942.

Explanation

Isotopes: scientific name of the atoms of the same element with different mass numbers.

Explanation

The Indus River irrigation project includes the Chashma-Jhelum link canal.

This canal connects the Indus River with the Jhelum River.

It has a discharge capacity of approximately 21,700 cubic feet (615 cubic meters) per second.

Explanation

Ethyl alcohol, or ethanol, is commonly used in perfumes as a base solvent.

It helps dissolve fragrance oils and allows the scent to disperse evenly when applied.

Explanation

"Scratch someone's back" means to give someone a favor or help them out with the expectation that they will return the favor in the future.

It implies a mutual benefit in relationships or transactions.

Explanation

The material used in blood clotting is made up of protein, specifically:

• Fibrinogen (a protein in blood plasma)
• Thrombin (an enzyme that converts fibrinogen into fibrin)
• Fibrin (a protein that forms the clot)

Explanation

اردو میں تاریخی اشارے کے لیے تلمیح اسراع استعمال ہوتی ہے۔

Explanation

آزاد نظم کا بانی ن م راشد کہا جاتا ہے۔

Explanation

The correct phrase is "a series of questions."
"Of" is used to indicate a collection or set of something in English.

Explanation

Humidity refers to the amount of water vapor present in the air.

It affects the moisture levels and can influence weather and climate conditions.