Most Repeated GK MCQs from Past Papers MCQs with Answers & Explanations (Page 152)

Using a×b = GCD×LCM gives the other number = (8×144)/16 = 72, so 72 is correct.

The ozone layer absorbs the Sun's harmful ultraviolet rays, so Ultraviolet rays is correct.

A carbon microphone works by changing electrical resistance with sound pressure rather than using magnetic forces, so Carbon microphone is correct.

In the context of this paper, Mohammed bin Salman is identified as the Crown Prince of Saudi Arabia, which fits because he is named in the question key as the heir apparent holding that title.

Narowal is the district where Kartarpur is located, so Narowal fits as the correct district.

The first five multiples of 3 are 3, 6, 9, 12, and 15; their average is (3+6+9+12+15)/5 = 9, so 9 fits.

In the context of this paper, Sohail Khan Afridi is named as the Chief Minister of KPK, and he fits because the answer key assigns that office to him.

1955 is correct because West Pakistan was merged into the One Unit scheme in 1955, creating a single provincial unit.

Pollution is correct because the Kyoto Protocol was an international treaty addressing pollution from greenhouse gas emissions.

Cotton and Sugarcane is correct because these are industrial or cash crops, not cereal (grain) crops like wheat, rice, or corn.

Cotton is correct because Pakistan's major export earnings come from cotton as the primary raw material for its textile exports.

Virus is correct because H5N1 is a subtype of influenza virus.

In the context of this paper, 2023 is identified as the year when Pakistan's most recent national census was held.

Perennial Canals are the most widely used irrigation method in Pakistan because they deliver continuous river water for agriculture throughout the year.

Pakistan's largest and most powerful radio station is located in Islamabad, so option D is correct.

Being true - Verisimilitude means the appearance or quality of being true, so 'Being true' is the correct meaning.

Methyl bromide is the fastest SN2 substrate because it has the least steric hindrance, allowing nucleophiles to attack the carbon center most easily.

Drill method: The drill method emphasizes repeated, controlled practice to build skill, so practice is made in the drill method.

Reliability is a key characteristic of good measurement techniques because it indicates that results are consistent and reproducible across repeated measurements.

Peninsula fits because a peninsula is land mostly surrounded by water on at least three sides.