Challenger App

No.1 PSC Learning App

1M+ Downloads
What is one benefit of technology in education mentioned in the passage?
Which of the following is a benefit of drinking enough water daily?
What does water help transport in the body?
What can dehydration lead to?
Which bodily function is NOT mentioned as benefiting from hydration in the passage?
Which of the following is NOT mentioned as a benefit of regular exercise?
How does regular exercise affect mental health according to the passage?
What natural mood lifters are released during exercise?
Which chronic disease can regular exercise help reduce the risk of?
What is one physical benefit of regular exercise mentioned in the passage?
What is one method mentioned to protect pollinators?
What is a consequence of the decline in pollinator populations?
What can farmers do to support pollinator populations?
What threat to pollinator populations is NOT mentioned in the passage?
Which pollinator is mentioned as the most important?
What is one practice mentioned that can help improve sleep quality?
Which health issue is NOT mentioned as being linked to chronic sleep deprivation?
What are some immediate effects of lack of sleep?
Which stage of sleep is associated with most dreaming?
What are the two main types of sleep mentioned in the passage?
Which of the following is NOT mentioned as a conservation effort to protect coral reefs?
What is coral bleaching caused by?
What is one economic benefit of coral reefs mentioned in the passage?
How do coral reefs protect coastlines?
What percentage of marine species do coral reefs support?
What event highlighted the importance of vaccines according to the passage?
What does the term "vaccine hesitancy" refer to in the context of the passage?
Which disease's incidence was significantly reduced in the 20th century due to vaccination?
What significant milestone was declared by the World Health Organization (WHO) in 1980?
Who discovered that exposure to cowpox could protect against smallpox?
What is the purpose of the Convention on Biological Diversity?
What is a major threat to biodiversity as mentioned in the passage?
What role do bees play in biodiversity according to the passage?
Which of the following is an example of an ecosystem service provided by biodiversity?
What does biodiversity encompass?
What does the word "profoundly" mean in the context of the first sentence?
What invention by Johannes Gutenberg around 1440 revolutionized information dissemination?
What significant scientific theory did Nicolaus Copernicus propose?
Who is often described as the quintessential "Renaissance Man"?
What was the primary focus of humanism during the Renaissance?
What does the word "ubiquitous" mean as used in the first sentence?
Which term is an antonym for "democratized" in the context of making information accessible?
What was one major impact of the internet on communication?
What is a significant challenge introduced by the internet according to the passage?
What future technologies promise to bring further changes to the internet?
What was the original purpose of the internet's development?
What evidence suggests that Mars might have had conditions suitable for life?
What is the primary function of the International Space Station (ISS)?
Which word is an antonym for "cooperation" as used in the third paragraph?
What was a significant outcome of the Apollo 11 mission?