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Past Papers MCQs

GSA

2022

MCQs

Question 1
Which one can be considered the unit of distance?
  • Footpath
  • Heavy year
  • Light year
  • None of these
Explanation: A light year measures the distance light travels in one year and is used as a unit of astronomical distance.
Question 2
Which one is not a planet?
  • Earth
  • Venus
  • Moon
  • None of these
Explanation: The Moon is a natural satellite of Earth, not a planet.
Question 3
In which direction does the Earth rotate on its axis?
  • East to west
  • West to east
  • North to south
  • None of these
Explanation: Earth rotates from west to east, making the Sun appear to rise in the east.
Question 4
Which one can be considered for representing the geographic coordinate system?
  • Aptitude
  • Latitude
  • Attitude
  • None of these
Explanation: Latitude is a key component of the geographic coordinate system used to locate positions on Earth.
Question 5
Which part of the body will be affected mainly by fluoride pollution?
  • Brain
  • Liver
  • Teeth
  • None of these
Explanation: Excess fluoride causes dental fluorosis, primarily affecting the teeth.
Question 6
How can we symbolically write the ozone gas?
  • O₂
  • O₃
  • CO₂
  • None of these
Explanation: Ozone consists of three oxygen atoms and is represented as O₃.
Question 7
Which of the following is not an electromagnetic wave?
  • Sound wave
  • Radio wave
  • Light wave
  • None of these
Explanation: Sound waves are mechanical waves that require a medium, unlike electromagnetic waves.
Question 8
For what terminology is the abbreviation GPS used globally?
  • Geo Pakistan System
  • Global Positioning System
  • Google Path System
  • None of these
Explanation: GPS stands for Global Positioning System, a satellite-based navigation system.
Question 9
Plotting of the vibration caused by an earthquake on paper is called?
  • Photograph
  • Earthograph
  • Seismograph
  • None of these
Explanation: A seismograph records earthquake vibrations, producing a graphical record called a seismogram.
Question 10
What is the scientific name for atoms of the same element with different mass numbers?
  • Isotopes
  • Ions
  • Orbitals
  • None of these
Explanation: Isotopes have the same number of protons but different numbers of neutrons.
Question 11
Combining of two non-metal atoms by sharing one or more pairs of electrons is called?
  • Ionic bond
  • Covalent bond
  • Metallic bond
  • None of these
Explanation: Covalent bonds form when non-metal atoms share electrons to achieve stability.
Question 12
Which method may not be considered a food preservation method?
  • Freezing
  • Irradiation
  • Salting
  • None of these
Explanation: All listed methods are valid food preservation techniques, so none is incorrect.
Question 13
What does RNA stand for?
  • Ribonucleic Acid
  • Russian National Assembly
  • Red Nitric Acid
  • None of these
Explanation: RNA stands for Ribonucleic Acid, which is essential for protein synthesis and gene expression.
Question 14
Deficiency of iron in the human diet causes?
  • Hepatitis
  • Malaria
  • Anemia
  • None of these
Explanation: Iron deficiency reduces hemoglobin production, leading to anemia.
Question 15
Which of the following is not a part of quantities used to discuss computer memory?
  • Bite
  • Bit
  • Byte
  • None of these
Explanation: “Bite” is not a valid unit, whereas bit and byte are standard memory units.
Question 16
Which of the following cannot be considered a renewable source of energy?
  • Petroleum
  • Wind
  • Solar
  • None of these
Explanation: Petroleum is a non-renewable fossil fuel, unlike wind and solar energy.
Question 17
Which of the following may be considered the most harmful radiation emitted by the sun?
  • Infrared
  • Visible light
  • Ultraviolet
  • None of these
Explanation: Ultraviolet radiation can damage skin and eyes and is the most harmful among these.
Question 18
COVID-19 is caused by?
  • Bacteria
  • Virus
  • Infection
  • None of these
Explanation: COVID-19 is caused by the SARS-CoV-2 virus.
Question 19
Which of the following may be considered as a factor influencing intelligence?
  • Heredity
  • Dressing
  • Smiling
  • None of these
Explanation: Genetic inheritance plays a significant role in determining intelligence.
Question 20
Which one is not a part of cell phone memory?
  • LCD
  • Battery
  • Water
  • None of these
Explanation: LCD, battery, and water are not components of memory, so none of the options correctly represent memory.