#81

What major medical link was debunked by new research in November 2025 regarding a common pain reliever?

(a) Ibuprofen and kidney failure

(b) Acetaminophen (Tylenol) and autism

(c) Aspirin and heart disease

(d) Naproxen and ulcers

Explanation: New research published in November 2025 found no clear link between the use of Acetaminophen (Tylenol) during pregnancy and the development of autism in children, addressing a long-standing medical concern.

#82

Scientists in November 2025 used CRISPR to boost the efficiency and digestibility of which organism to create a meat-like food source?

(a) Algae

(b) Yeast

(c) Fungus

(d) Bacteria

Explanation: Researchers used CRISPR in November 2025 to modify a specific fungus. The engineered strain grows protein faster, requires less sugar, and has a meat-like texture, offering a sustainable food alternative.

#83

A November 2025 study identified that massive Sargassum blooms are fueled by a nutrient partnership between the algae and which organism?

(a) Phytoplankton

(b) Cyanobacteria

(c) Krill

(d) Coral polyps

Explanation: The study revealed that the massive Sargassum seaweed blooms are fueled by nitrogen supplied by cyanobacteria living on the algae, combined with phosphorus from equatorial upwelling.

#84

In November 2025, researchers introduced a new gel capable of regrowing which human tissue?

(a) Skin

(b) Tooth enamel

(c) Cartilage

(d) Cornea

Explanation: A new gel developed in November 2025 showed the ability to regrow tooth enamel, potentially transforming dentistry by offering a way to repair teeth without traditional fillings.

#85

A November 2025 study suggested that daily consumption of what beverage could reduce the risk of Atrial Fibrillation (AFib) by 39%?

(a) Green Tea

(b) Coffee

(c) Orange Juice

(d) Pomegranate Juice

Explanation: A heart study released in November 2025 found a surprising link suggesting that daily coffee consumption could cut the risk of Atrial Fibrillation (AFib) by up to 39%.

#86

Which November 2025 discovery involves 'bacterial nanopores' behaving in a way similar to a brain?

(a) They can reproduce autonomously

(b) They demonstrate learning capabilities

(c) They generate electricity

(d) They communicate via radio waves

Explanation: Scientists at EPFL discovered in November 2025 that biological nanopores from bacteria can exhibit 'memory' and learning-like behaviors, similar to how brain synapses work, which could impact bio-computing.

#87

In November 2025, scientists developed a tiny ingestible pill that detects what condition by glowing?

(a) Stomach ulcers

(b) Intestinal bleeding

(c) Colon cancer

(d) Acid reflux

Explanation: A new ingestible pill developed in November 2025 contains engineered bacteria that glow when they encounter heme, a component of blood, thereby acting as a non-invasive detector for intestinal bleeding.

#88

Researchers in November 2025 found that Vitamin D3 supplementation could halve the risk of what event?

(a) Bone fracture

(b) Second heart attack

(c) Stroke

(d) Developing diabetes

Explanation: A study published in November 2025 indicated that Vitamin D3 supplementation could reduce the risk of suffering a second heart attack by approximately 50%.

#89

In November 2025, a new airflow device was introduced that can capture indoor germs almost immediately. Which university's engineers developed it?

(a) MIT

(b) UBC Okanagan

(c) Stanford

(d) Oxford

Explanation: Engineers at the University of British Columbia (UBC) Okanagan developed a new airflow device in November 2025 that traps exhaled aerosols and pathogens almost immediately to prevent disease spread indoors.

#90

A November 2025 study on leukemia immunotherapy utilized which cell death mechanism to boost anti-tumor defenses?

(a) Apoptosis

(b) Necroptosis

(c) Autophagy

(d) Ferroptosis

Explanation: The study found that inducing necroptosis, a form of programmed inflammatory cell death, in cancer cells could dramatically boost the body's immune attack against leukemia.

#91

The NASA ESCAPADE mission, designed to study Mars' magnetosphere, was launched in November 2025 aboard which debut rocket?

(a) Vulcan Centaur

(b) Falcon Heavy

(c) New Glenn

(d) Ariane 6

Explanation: The ESCAPADE mission was launched aboard the maiden flight of Blue Origin's 'New Glenn' rocket in November 2025.

#92

Which Chinese spacecraft was launched in November 2025 explicitly to assist or retrieve astronauts stranded on the Tiangong space station?

(a) Shenzhou 20

(b) Shenzhou 21

(c) Shenzhou 22

(d) Tianzhou 8

Explanation: China launched Shenzhou 22 in November 2025 to assist the crew, following issues with a previous spacecraft that delayed the return of astronauts.

#93

In November 2025, the James Webb Space Telescope confirmed the existence of a rapidly growing supermassive black hole just 570 million years after the Big Bang in which galaxy?

(a) GN-z11

(b) CANUCS-LRD-z8.6

(c) JADES-GS-z14-0

(d) Earendel

Explanation: JWST identified a voraciously feeding supermassive black hole in the galaxy CANUCS-LRD-z8.6, challenging theories about how quickly such massive objects could form in the early universe.

#94

The UAE's 'Rashid 2' rover completed its testing in November 2025 and was shipped to the US for a future launch. Which company is providing the lander?

(a) SpaceX

(b) Astrobotic

(c) Firefly Aerospace

(d) Blue Origin

Explanation: The Mohammed Bin Rashid Space Centre (MBRSC) partnered with Firefly Aerospace to deliver the Rashid 2 rover to the lunar surface.

#95

SpaceX celebrated which milestone with its 100th launch of 2025 in November?

(a) First crewed Starship flight

(b) Deployment of 29 Starlink satellites

(c) Launch of a secret space plane

(d) Landing on Mars

Explanation: SpaceX's 100th launch of 2025 was a Falcon 9 mission (Starlink 6-78) that successfully deployed a batch of 29 Starlink satellites.

#96

Which country launched the 'Shenzhou 22' spacecraft in November 2025?

(a) Russia

(b) China

(c) India

(d) Japan

Explanation: China launched Shenzhou 22 to the Tiangong space station in November 2025.

#97

Which ISRO satellite, launched in November 2024/late 2024, is a high-throughput communication satellite launched by SpaceX?

(a) GSAT-24

(b) GSAT-N2

(c) INSAT-4B

(d) CMS-01

Explanation: GSAT-N2 was launched aboard a SpaceX Falcon 9 in late 2024 to provide high-throughput communication services for India.

#98

Which city hosted the COP29 UN Climate Change Conference in November 2024, where a new climate finance goal was a central topic?

(a) Dubai, UAE

(b) Baku, Azerbaijan

(c) Belém, Brazil

(d) Glasgow, UK

Explanation: COP29 was held in Baku, Azerbaijan, in November 2024. The conference focused heavily on establishing a New Collective Quantified Goal (NCQG) for climate finance to support developing nations.

#99

Which Brazilian city was selected to host the landmark COP30 climate summit in November 2025?

(a) Rio de Janeiro

(b) São Paulo

(c) Belém

(d) Brasília

Explanation: Belém, a city located at the gateway to the Amazon rainforest, was selected to host COP30 in 2025, highlighting the critical importance of protecting the Amazon biome.

#100

What major air quality issue did Lahore and New Delhi face in November 2024 and 2025, reaching hazardous levels?

(a) Sandstorms

(b) Smog

(c) Acid Rain

(d) Ozone depletion

Explanation: Both Lahore and New Delhi experienced record-breaking smog levels in November 2024 and again in 2025, driven by crop burning, vehicular emissions, and stagnant weather conditions.

November 2026 Current Affairs MCQs & Solutions