April 2024 Edition
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April 2024 Current Affairs MCQs & Solutions
Top national & international current affairs questions for CSS, PMS, FPSC, PPSC, and NTS screening tests.
#3481
Which tech company introduced a quantum computing chip in 2024?
(a) Google
(b) IBM
(c) Intel
(d) Apple
Explanation: IBM unveiled its next-generation quantum processor in 2024, featuring over 400 qubits and improved error correction.
#3482
Which African country witnessed a military coup in 2024?
(a) Mali
(b) Sudan
(c) Niger
(d) Burkina Faso
Explanation: In mid-2024, Niger's military overthrew the civilian government, citing security and economic turmoil.
#3483
Which country signed a peace treaty to end a 20-year conflict in 2024?
(a) Israel
(b) Myanmar
(c) Ethiopia
(d) Ukraine
Explanation: In 2024, Ethiopia signed a landmark peace accord to formally conclude its two-decade internal insurgency.
#3484
Which country hosted the 2024 World Expo?
(a) UAE
(b) Saudi Arabia
(c) Italy
(d) Japan
Explanation: Expo 2024 was held in Osaka, Japan, showcasing innovations under the theme "Designing Future Society for Our Lives."
#3485
Which country won the 2024 Africa Cup of Nations?
(a) Egypt
(b) Algeria
(c) Senegal
(d) Morocco
Explanation: Senegal triumphed in the 2024 AFCON final, securing their second continental title.
#3486
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.
#3487
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.
#3488
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.
#3489
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.
#3490
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.
#3491
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.
#3492
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.
#3493
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.
#3494
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).
#3495
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”).
#3496
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).
#3497
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).
#3498
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
#3499
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).
#3500
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).