October 2024 Edition
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October 2024 Current Affairs MCQs & Solutions
Top national & international current affairs questions for CSS, PMS, FPSC, PPSC, and NTS screening tests.
#1721
Who became the Prime Minister of Japan in 2024?
(a) Fumio Kishida
(b) Shinzo Abe
(c) Taro Kono
(d) Yoshihide Suga
Explanation: Fumio Kishida remained in office after the 2024 parliamentary elections, winning renewed popular support.
#1722
Which country experienced the worst wildfires in 2024?
(a) Australia
(b) Greece
(c) Canada
(d) USA
Explanation: The United States saw record-breaking wildfires in multiple western states during the 2024 season.
#1723
Which country legalized cryptocurrency as an official currency in 2024?
(a) El Salvador
(b) Japan
(c) Nigeria
(d) Mexico
Explanation: El Salvador expanded its Bitcoin law in 2024, recognizing crypto alongside the U.S. dollar for all domestic transactions.
#1724
Which city hosted the 2024 UN Climate Summit?
(a) New York
(b) Paris
(c) Nairobi
(d) Tokyo
Explanation: COP29 convened in Paris in late 2024, focusing on implementation of the 1.5 °C target.
#1725
Which country launched the first crewed mission to Mars in 2024?
(a) USA
(b) China
(c) India
(d) Russia
Explanation: China's Tianwen-3 mission carried astronauts to Mars orbit for the first time in 2024.
#1726
Which African country experienced severe floods in 2024, leading to a humanitarian crisis?
(a) Somalia
(b) Sudan
(c) South Sudan
(d) Mozambique
Explanation: Devastating cyclones and floods in 2024 displaced hundreds of thousands in Mozambique.
#1727
Who won the 2024 Nobel Prize in Literature?
(a) Annie Ernaux
(b) Salman Rushdie
(c) Olga Tokarczuk
(d) Abdulrazak Gurnah
Explanation: Annie Ernaux was honored for her innovative exploration of memory, history, and personal experience.
#1728
Which country joined the European Union in 2024?
(a) Ukraine
(b) Moldova
(c) Georgia
(d) None of these
Explanation: No new member states acceded to the EU in 2024; accession talks continued but no formal entry occurred.
#1729
What was the magnitude of the Earthquake that shook Northern Pakistan and Kashmir on October 8, 2005?
(a) 5.7
(b) 7.5
(c) 7.7
(d) None of these
Explanation: The devastating earthquake that struck northern Pakistan and parts of Kashmir on October 8, 2005, had a moment magnitude of 7.6 [1, p12]. Since 7.6 is not among the options, "None of these" is the correct answer.
#1730
What is the output voltage of a step-up transformer? (CSS-2024)
(a) The output voltage is greater than the input voltage
(b) The output voltage is equal to the input voltage
(c) The output voltage is less than the input voltage
(d) None of these
Explanation: A step-up transformer increases voltage by having more turns in the secondary coil than the primary, as per transformer principles in standard physics texts (e.g., Halliday & Resnick).
#1731
The voltage signal which is generated by a microphone is called: (CSS-2024)
(a) Sound wave
(b) Transverse wave
(c) Audio signal
(d) None of these
Explanation: A microphone converts mechanical sound waves into an electrical audio signal, as confirmed by audio engineering references (e.g., “Fundamentals of Audio Engineering”).
#1732
The most common gas that is found in the air to breathe is called: (CSS-2024)
(a) Oxygen
(b) Carbon dioxide
(c) Nitrogen
(d) None of these
Explanation: Nitrogen comprises ~78% of Earth’s atmosphere, compared to oxygen (~21%) and carbon dioxide (~0.04%), per atmospheric chemistry data (e.g., NOAA).
#1733
Electromagnetic radiation with maximum wavelength is: (CSS-2024)
(a) Radio waves
(b) Microwaves
(c) Infrared waves
(d) None of these
Explanation: Radio waves have the longest wavelengths (up to kilometers) in the electromagnetic spectrum, per physics texts (e.g., “University Physics” by Young & Freedman).
#1734
The most dangerous type of radiation is: (CSS-2024)
(a) Alpha radiation
(b) Beta radiation
(c) Gamma radiation
(d) None of these
Explanation: Gamma radiation is highly penetrating and energetic, causing significant cellular damage, unlike alpha (stopped by paper) or beta (stopped by skin), per radiation safety sources
#1735
The solar energy is radiated in the form of: (CSS-2024)
(a) Heat waves
(b) Light waves
(c) Electromagnetic waves
(d) None of these
Explanation: Solar energy includes visible light, infrared, and ultraviolet, all forms of electromagnetic waves, as per solar physics (e.g., NASA solar studies).
#1736
The study of human body cells is called: (CSS-2024)
(a) Physiology
(b) Anatomy
(c) Cytology
(d) None of these
Explanation: Cytology studies cell structure and function, distinct from physiology (body functions) and anatomy (body structures), per biology texts (e.g., Campbell Biology).
#1737
Excessive bleeding during an injury is a deficiency of: (CSS-2024)
(a) Vitamin K
(b) Vitamin C
(c) Vitamin B
(d) None of these
Explanation: Vitamin K is essential for blood clotting; its deficiency causes excessive bleeding, unlike Vitamin C (scurvy) or B (various deficiencies), per medical references (e.g., Merck Manual).
#1738
Which gas is used in gas welding? (CSS-2024)
(a) Hydrogen
(b) Oxygen
(c) Ethylene
(d) Acetylene
Explanation: Acetylene, mixed with oxygen, produces a high-temperature flame for gas welding, as per welding technology sources (e.g., AWS Welding Handbook).
#1739
Drum printers belong to which of the following category? (CSS-2024)
(a) Ink jet printer
(b) Laser printer
(c) Chain printer
(d) None of these
Explanation: Drum printers are impact printers, similar to chain printers, using rotating mechanisms, distinct from non-impact inkjet or laser printers, per computer history (e.g., “Computer Architecture” by Tanenbaum).
#1740
Machine learning is a sub area of: (CSS-2024)
(a) Hardware Engineering
(b) Artificial Intelligence
(c) Cyber Forensics
(d) None of these
Explanation: Machine learning is a subset of AI, focusing on data-driven algorithms, distinct from hardware engineering or cyber forensics, per AI texts (e.g., “Artificial Intelligence: A Modern Approach”).