Explanation

Lactic acid is used in the fermentation process of food, particularly in the production of yogurt, cheese, sauerkraut, and pickles.

It is produced by the action of lactic acid bacteria, such as Lactobacillus.

It converts sugars into lactic acid, preserving the food and giving it a sour flavor.

Explanation

Charles Darwin's theory of evolution through natural selection explains how the diversity of species on Earth generates itself.

His groundbreaking book, "On the Origin of Species" (1859), introduced the concept of evolution and how species adapt and diversify over time.

Explanation

محاورہ مکمل کریں: الٹی پٹی پڑھانا۔

Explanation

اردو کازیریں دور میروسودا کہلاتا ہے۔

Explanation

While Pakistan has faced several constitutional crises in its history, it is not a persistent social issue.

In contrast, illiteracy and poverty are significant social issues impacting the population in Pakistan.

Explanation

A stock exchange facilitates stock brokers to trade company stocks and other securities.

A stock may be bought or sold only if it is listed on an exchange.

Explanation

Pakistan Air Force celebrates Operation Swift Retort as Surprise on 27 February since 2020.

After 14 February 2019, when suicide bomber attacked CRPF convoy in Pulwama, killing 40 CRPF soldiers, tensions between India and Pakistan escalated.

Later on February 26, 2019 Indian Air Force (IAF) carried out counter-terror operation (Balakot Air Strike), hitting in Balakot.

It was on February 27, 2019, when PAF exhibited supreme professionalism by shooting down two Indian Air Force jets, a MiG-21 Bison and a SU-30. The downed MiG-21 pilot, wing commander Abhinandan, whose aircraft had crashed inside Pakistan’s territory was captured.

Abhinandan was later released and handed over to India on March 1, 2019.

Explanation

 فن شناس  English means Virtuosic. 

Explanation

 دھینگا مشتی meanings in English are fight

Explanation

A referendum on allowing Pervez Musharraf to continue as President for five years was held in Pakistan on April 30, 2002.

This referendum was part of Musharraf's efforts to legitimize his rule after he seized power in a military coup in October 1999.

The Supreme Court of Pakistan confirmed the legitimacy of this referendum.