GK Olympiad Model Test Paper -2 | GK Olympiad for Class 8 PDF Download

Ans: (b)

• The silk-worm that creates Eri silk primarily feeds on the leaves of the Castor plant.
• This type of silk is known for its purity and is often used in various textiles.
• The Castor plant is essential for the life cycle of the Eri silk-worm, making it a key component in silk production.
• Other plants listed do not provide the necessary nutrition for the Eri silk-worm.

Ans: (a)

• The giant squid actually has eight arms and two longer tentacles, making a total of ten limbs.
• A catfish is unique because it can taste through its entire body, which helps it find food.
• Cuttlefish are indeed color blind, which affects how they perceive their environment.
• Bats are the only mammals that can truly fly, unlike other mammals that can only glide.

Ans: (b)

• Proboscis monkeys are known for their distinctive large and elongated noses, which is a prominent feature that sets them apart from other monkeys.
• This unique nose is not just for show; it plays a role in attracting mates and is a key characteristic of the species.
• While they do have tails, ears, and lips, none of these features are as notable as their nose.
• Thus, the correct answer is (b) Nose, highlighting the importance of this feature in identifying proboscis monkeys.

Ans: (d)

• Sundarban Wetland is recognized as the largest Ramsar site in India.
• It is a unique ecosystem known for its vast mangrove forests and rich biodiversity.
• This site plays a crucial role in protecting the coastal areas and supporting various wildlife.
• Ramsar sites are designated for their importance in conserving wetlands and their ecological significance.

Ans: (b)

• Emergent layer is the one that rises above the canopy layer in a rainforest.
• The canopy is the uppermost layer where most of the tree branches and leaves are found.
• Below the canopy, there are layers like the understorey and the forest floor.
• The emergent layer consists of the tallest trees that reach above the canopy, receiving the most sunlight.

Ans: (b)

• Bandipur National Park is a protected area aimed at conserving the tiger population.
• It was established in 1973 as part of the Project Tiger initiative.
• This national park is located in the state of Karnataka, which is known for its rich biodiversity.
• It serves as a crucial habitat for various wildlife species, including tigers, elephants, and many others.

Ans: (b)

• Biomagnification refers to the process where certain substances, like toxins, become more concentrated as they move up the food chain.
• The major cause of this phenomenon is pesticide pollution, as these chemicals accumulate in the bodies of organisms.
• When smaller organisms consume these pesticides, they retain them, and when larger predators eat these smaller organisms, the concentration increases.
• Other options like forest fire, soil degradation, and eutrophication do not directly lead to the accumulation of toxins in the food chain.

Ans: (c)

• Paracetamol is widely recognized as an antipyretic, meaning it effectively lowers fever.
• Ampicillin is an antibiotic, while Insulin is a hormone used to manage blood sugar levels.
• Betadine is an antiseptic used for cleaning wounds, not for reducing fever.
• Thus, among the options, Paracetamol is the correct choice for treating fever.

Ans: (d)

• Petrochemicals are chemical products derived from petroleum or natural gas.
• They are used to manufacture a wide range of products, including plastics, fertilisers, and detergents.
• Since all the options listed are made from petrochemicals, the correct answer is All of these.
• This highlights the versatility of petrochemicals in various industries.

Ans: (c)

• The correct answer is Sugar. Unlike salt and sulphuric acid, which dissociate into ions in water and allow electricity to flow, sugar does not break down into ions.
• When sugar dissolves in water, it forms a solution, but it remains as whole molecules, which do not conduct electricity.
• In contrast, substances like caustic soda and sulphuric acid are strong electrolytes and can conduct electricity due to their ion formation.
• Thus, the only option that does not conduct electricity in an aqueous solution is Sugar.

Ans: (a)

• Rigel is the name of the brightest star in the Orion Constellation, located in the hunter's leg.
• It is a blue supergiant star, which makes it very luminous and easily visible in the night sky.
• Other options like Alpha Centauri and Sirius are bright stars, but they belong to different constellations.
• Understanding constellations helps in identifying stars and their positions in the sky.

Ans: (b)

• Galileo was the spacecraft specifically designed for studying Jupiter and its moons.
• It provided valuable data about the planet's atmosphere, magnetic field, and its largest moons.
• The mission helped scientists understand more about the Jovian system and its complex dynamics.
• Other options like Endeavour, Messenger, and Magellan were not focused on Jupiter.

Ans: (a)

• Saturn has a total of 82 moons, but only a few can be seen from Earth.
• Through a telescope, you can observe 7 of these moons clearly.
• The most notable moons visible include Titan, which is the largest, and several others like Rhea and Iapetus.
• While some smaller moons may be present, they are not easily visible without a powerful telescope.

Ans: (c)

• Fariborz Sahba is the architect behind this famous monument, which is recognized for its unique design and cultural significance.
• The monument showcases innovative architectural techniques and reflects the vision of its creator.
• Understanding the contributions of different architects helps appreciate the diversity in architectural styles.
• Each option represents a notable architect, but only Fariborz Sahba is associated with this specific monument.

Ans: (a)
In the given picture, the person is Sir Isaac Newton. He came up with his idea of gravity after seeing an apple fall from a tree in the late summer of 1666.

Ans: (c)

• The Inuit are indigenous people primarily found in the Arctic regions, particularly in Greenland.
• They have a rich culture and history that is closely tied to the cold climate and environment of the Arctic.
• Unlike the other options, which refer to regions in South America and Africa, Greenland is known for its significant Inuit population.
• Thus, the correct answer is Greenland, where the Inuit have traditionally lived and thrived.

Ans: (c)

• Agra was the first capital established by Shah Jahan before he moved to Shahjahanabad.
• Shahjahanabad later became famous as the capital of the Mughal Empire.
• Surat and Srirangapatnam were important cities but not capitals under Shah Jahan.
• Understanding the historical context helps in recognizing Agra's significance during Shah Jahan's reign.

Ans: (c)

• Irula is the correct answer as this tribe is known for their unique skills in snake catching and venom collection.
• They are also involved in fishing and agricultural labor, particularly in rice fields during key farming seasons.
• Their presence is mainly in the regions of Tamil Nadu and Kerala, highlighting their geographical significance.
• This tribe plays an important role in both traditional practices and local economies through their diverse activities.

Ans: (c)

• The Fundamental Duties were added to the Indian Constitution through the 42nd Amendment in the year 1976.
• This amendment was enacted during the Emergency period in India, which lasted from 1975 to 1977.
• Before this amendment, the Constitution primarily focused on Fundamental Rights.
• The inclusion of Fundamental Duties aimed to promote a sense of responsibility among citizens towards the nation.

Ans: (b)

• Bring to the table refers to the act of contributing something valuable or useful to a discussion or group effort.
• This phrase is often used in business or teamwork contexts where individuals are expected to share their ideas or resources.
• It emphasizes the importance of collaboration and input from all members involved.
• In contrast, the other options do not capture the essence of contribution that this phrase implies.

Ans: (c)

• Margaret Atwood is known for her novel The Handmaid's Tale, not Shirley.
• Toni Morrison wrote The Bluest Eye, which is correctly matched.
• J.K. Rowling is the author of The Casual Vacancy, also a correct match.
• Virginia Woolf indeed wrote To the Lighthouse, making that match correct as well.

Ans: (b)

• Kal Penn is the correct answer as he is widely recognized for his role in the 'Harold & Kumar' series.
• In 2009, he took on a significant role in the Obama Administration, showcasing his involvement in public service.
• This combination of acting and political engagement makes him a notable figure in both entertainment and government.
• His contributions highlight the intersection of art and public service.

Ans: (b)

• The Harry Potter series consists of a total of 8 movies. These films are adaptations of the popular book series written by J.K. Rowling.
• The movies were released between 2001 and 2011, covering all seven books, with the final book split into two films.
• Each film follows the journey of Harry Potter and his friends as they face various challenges in the wizarding world.
• Thus, the correct answer is 8, as it represents the total number of films produced in this beloved series.

Ans: (c)

• Sobha Naidu is celebrated for her exceptional skills in the traditional Indian dance form of Kuchipudi.
• Kuchipudi is known for its expressive storytelling and intricate footwork.
• While other options like Rukmini Devi Arundale and Padma Subrahmanyam are also prominent figures in Indian classical dance, Sobha Naidu is specifically noted for her contributions to Kuchipudi.
• Her performances have significantly popularized this dance style both nationally and internationally.

Ans: (c)

• Bengaluru Bulls is a team in the Pro Kabaddi League.
• The correct owner of this team is Kosmik Global Media.
• Other options like Gautam Adani and Abhishek Bachchan are not associated with this team.
• This ownership is significant as it reflects the growing interest in kabaddi in India.

Ans: (a)

• First, replace the symbols with their respective operations: 350 ÷ 25 + 8 × 12 - 9.
• Next, follow the order of operations: division and multiplication first, then addition and subtraction.
• Calculate 350 ÷ 25 = 14.
• Then, calculate 8 × 12 = 96.
• Now, combine these results: 14 + 96 - 9 = 101.
• Thus, the final answer is 101.

Ans: (c)

• Digitizer is an input device that allows users to create digital drawings and graphics using a stylus on a flat surface.
• It functions similarly to drawing on paper, making it intuitive for artists and designers.
• Options A and B refer to other types of input devices: OCR (Optical Character Recognition) and OMR (Optical Mark Recognition), which serve different purposes.
• Thus, the correct answer is Digitizer, as it specifically matches the description given.

Ans: (a) 
It was between 1500 and 600 BC during the Vedic Age. Following the collapse of the Indus Valley Civilisation around 1400 BC, this is the next significant civilisation to flourish in ancient India. This age got its name since the Vedas were written during this time.

Ans: (a)

• To find out how long it will take for 15 persons to complete the same work, we first calculate the total work done in person-hours.
• Total work = 40 persons * 30 hours = 1200 person-hours.
• Now, if 15 persons are working, we can find the time taken by dividing the total work by the number of persons: 1200 person-hours / 15 persons = 80 hours.
• Thus, it will take 80 hours for 15 persons to complete the work.

Ans: (b)
The Airports Authority of India (AAI) commissioned NEC Corporation Private Limited to construct the country's first face recognition technology-based biometric boarding system.

Ans: (a)

• Chris Hipkins is the current Prime Minister of New Zealand, having taken office in January 2023.
• He succeeded Jacinda Ardern, who was the previous Prime Minister.
• Anthony Albanese is the Prime Minister of Australia, not New Zealand.
• The option None of these is incorrect as Chris Hipkins is indeed the current Prime Minister.

Ans: (a)

• World Book Day 2023 focused on the importance of Indigenous Languages, highlighting their role in culture and identity.
• This theme encourages people to appreciate and celebrate the rich diversity of languages around the world.
• By promoting Indigenous Languages, the event aims to raise awareness about preservation and recognition of these languages.
• Overall, it emphasizes the significance of language in literature and communication.

Ans: (b)

• The first water-based metro service in India is located in Kochi.
• This service utilizes boats to provide transportation, making it unique compared to traditional metro systems.
• Kochi's metro service aims to enhance urban mobility and reduce traffic congestion.
• It showcases innovation in public transport, utilizing the city's waterways effectively.

Ans: (a)

• Greg Barclay is the current Chairman of the ICC, overseeing international cricket governance.
• The ICC is responsible for organizing major cricket tournaments and setting the rules of the game.
• His role involves making important decisions that affect cricket globally.
• Other options like Roger Binny and Alan Isaac are not in the current position, making them incorrect.

Ans: (d)

• INIOCHOS-23 is a significant multinational air exercise that focuses on enhancing cooperation among various nations.
• This exercise will be hosted by Greece, showcasing its strategic role in international military collaboration.
• Participating countries will engage in various air operations, improving their tactical skills and interoperability.
• Such exercises are crucial for strengthening alliances and ensuring regional security.

Ans: (b)

• Kaveri is the name of the operation launched by the Indian government.
• This operation aims to evacuate Indian citizens who are stranded in Sudan due to ongoing conflicts.
• The initiative reflects the government's commitment to ensuring the safety and well-being of its citizens abroad.
• Other options like Ganga, Sewa, and Raahat are not related to this specific evacuation effort.

Ans: (a)

• The Special Olympics World Games 2023 are being held in Berlin, Germany.
• This event brings together athletes with intellectual disabilities from around the world.
• Berlin was chosen as the host city, showcasing its commitment to inclusivity and sports.
• Other options like Greece, China, and Uzbekistan are not hosting this particular event.

Ans: (d)

• Daniil Medvedev emerged as the champion of the 2023 Italian Open in the Men's singles category.
• This tournament is a significant event in the tennis calendar, showcasing top players.
• Medvedev's victory highlights his skill and competitiveness on clay courts.
• His win adds to his achievements and solidifies his position among the elite in tennis.

Ans: (a)

• Navratna Companies are a special category of public sector enterprises in India that enjoy greater financial freedom.
• In May 2023, Rail Vikas Nigam Limited was recognized and upgraded to this prestigious status.
• This upgrade allows the company to make significant investments without prior government approval, enhancing its operational efficiency.
• The other options listed do not reflect the recent upgrade to Navratna status.

Ans: (a)

• New York has set a precedent by being the first state to implement a ban on natural gas and fossil fuels in most new buildings.
• This move is part of a broader effort to promote clean energy and combat climate change.
• By making this change, New York aims to reduce its carbon footprint and encourage the use of renewable energy sources.
• This decision reflects a growing trend among states to prioritize sustainability in construction practices.

Ans: (c)

• Positive stress is a type of stress that can actually motivate you and help you achieve your goals.
• Unlike negative stress, which can hinder your performance, positive stress can push you to perform better and stay focused.
• It is important to recognize that not all stress is harmful; some can be beneficial and lead to personal growth.
• In summary, positive stress is the kind that encourages you to take action and succeed.

Ans: (c)

• Dress code refers to a specific set of rules or guidelines that dictate how individuals should dress in certain settings, such as workplaces, schools, or events.
• It helps maintain a certain professionalism or uniformity in appearance.
• Understanding a dress code is important for adhering to social norms and expectations.
• Options like "against the law" or "color coordinated outfits" do not accurately describe what a dress code entails.

Ans: (b)

• Opening emails from unknown sources can be dangerous as they may contain harmful software or viruses that can infect your computer.
• It's important to be cautious and not trust emails from people you do not know.
• While some online interactions can lead to friendships, it is not safe to consider someone a trusted friend just because you met them online.
• Sharing passwords, even with close friends, is risky and can lead to security issues.

Ans: (b)

• Arrogance is viewed negatively in leadership as it can alienate team members.
• In contrast, a strong sense of responsibility, creativity, and intelligence are essential qualities that help leaders inspire and guide their teams.
• Good leaders should be approachable and open to feedback, which arrogance undermines.
• Thus, while the other options contribute positively to effective leadership, arrogance does not.

Ans: (c)

• Maintaining eye contact is a sign of attentiveness and respect during conversations.
• It shows that you are engaged and interested in what the other person is saying.
• In contrast, actions like tapping fingers or rolling eyes can be seen as disrespectful or disinterested.
• Therefore, option (c) is the best choice as it reflects good communication skills.

Ans: (a)
The world's longest river cruise, the MV Ganga Vilas, was launched in Varanasi by Prime Minister Narendra Modi.

Ans: (d)
1st surgery happened in ancient India and the oldest religion is Hinduism

Ans: (d)

• Statement I: Papua New Guinea indeed has the most languages spoken, with over 800 languages.
• Statement II: The official language of Cambodia, Khmer, has 74 letters, which is correct.
• Statement III: Canada recognizes both English and French as its official languages.
• Statement IV: English is widely recognized as the most spoken language globally.

Conclusion: All four statements are true, making option (d) the correct choice.

Ans: (b)
Pandit Ravi Shankar has won the Grammy Award three times. It is given for exceptional achievements in the music world.

Ans: (a)
The Arc de Triomphe honours those who fought and died in the Napoleonic and French Revolutionary Wars for France.