New questions added automatically. Select an answer for immediate feedback and explanations.
Your Score
0/0
Correct answers
#1
By TheQuizWire
•
Medium
•
Fact Checked
•
16 Jan 2026
What fundamental biological process was immediately explained by the double-helix model of DNA?
💡 Explanation:The complementary nature of the two strands in the double-helix model (A pairing with T, and C pairing with G) instantly suggested a mechanism—known as semi-conservative replication—by which each strand could serve as a template for accurately copying the genetic material.
#2
By TheQuizWire
•
Medium
•
16 Jan 2026
What modern communication mechanism is increasingly used to circumvent government-imposed national internet blackouts?
💡 Explanation:Low-Earth Orbit (LEO) satellite constellations, such as Starlink, provide direct, broadband internet access that bypasses ground-based infrastructure, making them effective tools for circumventing state-controlled internet blackouts and censorship.
#3
By TheQuizWire
•
Medium
•
15 Jan 2026
What is the primary objective of Flight Duty Time Limitations (FDTL) in civil aviation safety regulations?
💡 Explanation:Flight Duty Time Limitations (FDTL) are regulations designed to mitigate pilot fatigue by setting maximum limits on flight hours and mandatory minimum rest periods. These measures are fundamentally aimed at enhancing overall air safety.
#4
By TheQuizWire
•
Medium
•
15 Jan 2026
What are the two primary global crude oil pricing benchmarks?
💡 Explanation:Brent Crude (primarily sourced from the North Sea) and West Texas Intermediate (WTI, primarily US-based) are the two leading global benchmarks used to price the majority of the world's traded crude oil. These futures contracts set the price for various grades of oil globally.
#5
By TheQuizWire
•
Medium
•
Fact Checked
•
15 Jan 2026
A company increases long-term Corporate Social Responsibility (CSR) spending. What is the most likely financial effect?
💡 Explanation:High Corporate Social Responsibility (CSR) spending, while reducing immediate cash flows (making option A and B incorrect in the short term), is strongly associated with long-term benefits. By establishing a positive reputation with stakeholders and the community, a company can reduce its risk of legal issues, boycotts, and regulatory fines. This reduction in non-financial/business risk translates into a lower overall risk profile, which in turn leads to a lower cost of capital (both equity and debt) and higher firm valuation in the long run.
#6
By TheQuizWire
•
Easy
•
15 Jan 2026
What is the principal mineral resource contributing to Botswana’s national wealth and export revenue?
💡 Explanation:Diamonds constitute the largest share of Botswana's exports and national revenue, making the country one of the world's leading diamond producers by value. This reliance is central to Botswana's economic structure and resource governance.
#7
By TheQuizWire
•
Hard
•
Fact Checked
•
15 Jan 2026
Which factor allows polymerization, a process with negative entropy change ((Delta S < 0)), to be thermodynamically spontaneous?
💡 Explanation:The criterion for a spontaneous process is a negative change in Gibbs free energy ((Delta G < 0)), according to the equation (Delta G = Delta H - TDelta S). Polymerization is the linking of small monomers into a large polymer chain, which decreases the total number of free molecules, resulting in a negative entropy change ((Delta S < 0)). For the reaction to still be spontaneous ((Delta G < 0)), the enthalpy change ((Delta H)) must be highly negative (exothermic) to overcome the positive term of (-TDelta S), especially at lower temperatures where the spontaneity is often observed.
#8
By TheQuizWire
•
Easy
•
Fact Checked
•
15 Jan 2026
A 10 Omega resistor carries a 5 A current. What is the circuit’s voltage?
💡 Explanation:According to Ohm's Law, the voltage (V) across a resistor is the product of the current (I) and the resistance (R). The formula is $V = I times R$. Therefore, $V = 5 text{ A} times 10 Omega = 50 text{ Volts}$.
#9
By TheQuizWire
•
Hard
•
Fact Checked
•
15 Jan 2026
What is the dominant force driving the movement of lithospheric plates according to modern models of plate tectonics?
💡 Explanation:Modern understanding of plate tectonics suggests that 'Slab Pull' is the strongest force driving plate movement. This force is the result of the gravitational sinking of cold, dense oceanic lithosphere into the mantle at subduction zones (trenches), dragging the rest of the plate along behind it. 'Ridge Push' is a secondary force caused by gravity sliding the elevated, newly formed lithosphere away from the mid-ocean ridges. While mantle convection (Basal Traction/Drag) is the ultimate source of heat and is part of the system, it is generally considered a minor or resisting force compared to the gravitational forces of slab pull and ridge push.
#10
By TheQuizWire
•
Medium
•
15 Jan 2026
Which US cabinet department oversees federal immigration enforcement and border security operations?
💡 Explanation:The Department of Homeland Security (DHS), established in 2002, is the US federal executive department responsible for public security, including border security, customs, and immigration enforcement, primarily through its components like Customs and Border Protection (CBP) and Immigration and Customs Enforcement (ICE).
✅ Why Practice with Our MCQs?
Always Current: Questions generated from today's top news headlines
Exam-Focused: Perfect for competitive exams' current affairs sections
Build Confidence: Regular practice helps identify weak areas
Quick & Convenient: Practice anytime, anywhere on any device
Instant Feedback: Get immediate results with detailed explanations
