FIA

There are two prayers in Islam that do not have an Azan: the Sunnah prayers before Fajr and the Witr prayer. The five daily obligatory prayers each have an Azan, but these additional prayers do not require it.

IC stands for Integrated Circuit, which is a set of electronic circuits on a small chip of semiconductor material, commonly used in electronic devices.

The Nehru Report was prepared under the chairmanship of Motilal Nehru in 1928 as a response to the Simon Commission, proposing constitutional reforms for India.

The Zakat and Ushr Ordinance was promulgated on 21st August 1979. Therefore, option A is correct. The other dates do not correspond to the promulgation of this ordinance.

The word 'massacre' means a brutal and indiscriminate slaughter of many people or animals. 'Slaughter' is a synonym as it also means to kill in a violent or brutal way. The other options do not have similar meanings.

Among the options given, GB (Gigabyte) is the largest unit of memory. KB (Kilobyte) is smaller than MB (Megabyte), and MB is smaller than GB. Larger units such as Terabyte (TB) and beyond exist, but since they are not listed in the options, the largest unit among the given choices is GB.

The world's biggest oil refinery is the Jamnagar Refinery located in Jamnagar, Gujarat, India. It is owned by Reliance Industries and has a crude processing capacity of approximately 1.4 million barrels per day, making it the largest refinery in the world. This is confirmed by multiple reliable sources including industry reports and recent data from 2023-2025. Therefore, the correct answer is India (Option A), not China (Option C).

Ctrl + Z is the standard keyboard shortcut used to undo the last action in most software applications, making option B the correct answer.

China launched a 10-year space program in 2021, aiming to develop advanced space technologies and explore the Moon and Mars. Turkey and Japan have active space programs but did not launch a new 10-year program in 2021. Option D is incorrect because China fits the description.

Growth hormone primarily acts on most somatic cells to stimulate growth, cell reproduction, and regeneration. While it affects various tissues, its main regulatory function is on somatic cells rather than nerve or liver cells specifically.