GK Olympiad Previous Year Paper - 3 | GK Olympiad for Class 7 PDF Download

Ans: (a)

• Colocasia, commonly known as taro, has a bitter taste primarily due to the presence of calcium oxalate.
• This compound can form sharp crystals that contribute to the bitterness and can also be irritating if consumed raw.
• Cooking or processing the plant can help reduce the bitterness by breaking down these compounds.
• Other options like tartaric acid and potassium hydroxide do not play a significant role in the bitterness of colocasia.

Ans: (d)

• Amphibians actually have a three-chambered heart, not a four-chambered one. This means they have two atria and one ventricle.
• Zebrafish are unique because they can regenerate their heart, which is a fascinating ability.
• Reptiles do have a mixed heart, which means their heart can have both oxygenated and deoxygenated blood.
• An earthworm has a structure that functions like a heart, known as a pseudo-heart, which helps in circulating blood.

Ans: (c)

• Ajmer was the prominent capital of the Chauhan kings in the 12th century.
• This city is located in present-day Rajasthan, India.
• The Chauhan dynasty, particularly known for its ruler Prithviraj Chauhan, made Ajmer a significant political and cultural center.
• Other options like Hampi and Thanjavur were capitals of different dynasties, not the Chauhans.

Ans: (a)

• In 1989, Alaska experienced a significant environmental catastrophe known as an oil spill disaster. This incident led to the tragic death of numerous seabirds and sea otters.
• Oil spills occur when petroleum is accidentally released into the ocean or coastal waters, causing severe harm to marine life.
• This disaster highlighted the dangers of oil transportation and the impact of human activities on the environment.
• Efforts to clean up and recover from such spills are often extensive and costly, but the ecological damage can be long-lasting.

Ans: (a)

• The oceanic crust is the outermost layer of the Earth beneath the oceans.
• It is mainly made up of silica and magnesium, which are key components of basaltic rocks.
• This composition is different from the continental crust, which has more aluminium.
• Understanding the composition helps in studying plate tectonics and the Earth's geology.

Ans: (a)

• Article 15 of the Indian Constitution is crucial as it explicitly prohibits discrimination on grounds of religion, race, caste, sex, or place of birth.
• This means that no individual can be treated unfairly or differently based on these characteristics.
• It aims to promote equality and protect the rights of all citizens, ensuring that everyone has the same opportunities.
• Understanding this article is essential for recognizing the importance of social justice in India.

Ans: (c)

• Archimedes' principle states that the upward buoyant force on an object submerged in a fluid is equal to the weight of the fluid that the object displaces.
• This means that if you put an object in water, it pushes some water out of the way, and the weight of that displaced water is what makes the object float or sink.
• Understanding this principle helps explain why objects feel lighter in water and why some objects float while others do not.
• In summary, the buoyant force is directly related to the volume of fluid displaced, confirming Archimedes' findings.

Ans: (b)

• Lewis Howard Latimer was the inventor who developed a carbon filament that significantly improved the quality of light produced by Edison's light bulb.
• This innovation not only made the light brighter but also extended its lifespan, making it more practical for everyday use.
• Latimer's work was crucial in the advancement of electric lighting technology during the late 19th century.
• His contributions are often overshadowed, but they played a vital role in the success of electric lighting.

Ans: (b)

• The planet with a chemical composition similar to the Sun is Jupiter.
• Jupiter is a gas giant, primarily made up of hydrogen and helium, which are also the main components of the Sun.
• In contrast, Earth and Mars have more solid surfaces and different compositions, while Mercury is a rocky planet with a different elemental makeup.
• Thus, Jupiter stands out as the planet that shares the most in common with the Sun's chemical structure.

Ans: (d)

• Callisto is not the smallest moon in the solar system; it is actually one of the larger moons of Jupiter.
• The smallest known moon is Deimos, which orbits Mars.
• Titan has a significant atmosphere, and Ganymede is indeed the largest moon.
• Triton is the largest moon of Neptune, making the other statements true.

Ans: (a)

• Hydra is the largest constellation, covering a vast area in the sky.
• It is often referred to as the "water snake" and is located in the southern hemisphere.
• In contrast, other constellations like Orion and Crux are smaller in size.
• Understanding constellations helps in identifying stars and navigating the night sky.

Ans: (c)

• Tashi and Nungshi Malik made history as the first female twins to successfully climb Mount Everest.
• This achievement is significant as it showcases the determination and strength of women in extreme sports.
• They completed this remarkable feat in 2013, inspiring many others to pursue their dreams.
• Climbing Mount Everest is a challenging endeavor, requiring extensive training and preparation.

Ans: (d)

• Pooja Thakur made history as the first woman officer to lead the ceremonial Guard of Honour.
• This significant event took place in January 2015 during the visit of U.S. President Barack Obama.
• Her leadership marked a milestone for women in the Indian Armed Forces, showcasing their capabilities.
• The Guard of Honour is a prestigious ceremony, and her role highlighted the progress in gender equality in military roles.

Ans: (c)

• Tbilisi is the capital city of Georgia, located at the crossroads of Eastern Europe and Western Asia.
• It is known for its diverse architecture and vibrant culture.
• Other options like Dodoma and Moscow are capitals of Tanzania and Russia, respectively.
• Thimphu is the capital of Bhutan, making it an incorrect choice as well.

Ans: (c)

• A dormant volcano refers to a volcano that is not currently active but has the potential to erupt again.
• It is capable of erupting in the future, which distinguishes it from an extinct volcano.
• While it may not show signs of activity now, it could erupt again based on geological conditions.
• Understanding the status of a volcano is important for safety and monitoring in nearby areas.

Ans: (c)

• Mount Everest is often called the world's highest 'rubbish dump' due to the significant amount of waste left by climbers over the years.
• The accumulation of trash, including discarded gear and human waste, has raised environmental concerns.
• Efforts are being made to clean up the mountain and preserve its natural beauty.
• Other options like Ghazipur and Pirana are notable landfills, but they do not match the height of Mount Everest.

Ans: (a)

• Barcelona Convention was created in 1976 with the aim of protecting the Mediterranean Sea from pollution and promoting sustainable development.
• This agreement involves various countries bordering the Mediterranean, working together to address environmental issues.
• It focuses on cleaning up the sea and preserving its biodiversity.
• Other oceans mentioned, like the Pacific, Indian, and Arctic, are not the focus of this specific convention.

Ans: (a)
UNESCO Cultural World Heritage sites in India: Qutub Minar in 1993, Taj Mahal in 1983, Hampi Temple in 1986 and Red Fort in 2007

Ans: (b)

• Milkha Singh, also known as the "Flying Sikh," achieved his first National title in the 400 m race in 1958.
• This victory marked a significant milestone in his athletic career, showcasing his talent and determination.
• His success in this event helped him gain recognition and paved the way for his future achievements in athletics.
• Milkha Singh's legacy continues to inspire many aspiring athletes in India and around the world.

Ans: (b)

• The shot put circle is a specific area used in the sport of shot put.
• The correct diameter of this circle is 2.135 meters.
• This measurement is standardized for competitions to ensure fairness.
• Options A, C, and D provide incorrect measurements for the shot put circle.

Ans: (b)

• The correct answer is Limerick, which is a specific type of poem.
• A Limerick has a distinct rhythm and rhyme scheme, typically AABBA.
• It is often funny or whimsical in nature, making it popular in light-hearted poetry.
• Other options like Sonnet and Quartet refer to different forms of poetry, while Haiku is a three-line poem.

Ans: (c)

• White as snow is a simile, not an idiom, as it compares something directly to snow.
• Idioms like Bite the bullet and Hit the sack have meanings that are not obvious from the individual words.
• Spill the beans means to reveal a secret, which is a typical idiomatic expression.
• Understanding the difference between idioms and other phrases helps in grasping the nuances of language.

Ans: (b)

• The correct term is Cajolement, which means to persuade someone by using flattery or sweet talk.
• Condolence refers to expressing sympathy, especially in times of loss.
• Commiserate means to express sorrow or pity for someone else's misfortune.
• Encourage means to give support or confidence, but it does not imply flattery.

Ans: (c)

• Saga Dawa is a significant festival celebrated primarily in the state of Sikkim.
• This festival marks the birth, enlightenment, and death of Buddha, making it very important for Buddhists.
• During this time, various rituals and celebrations take place, showcasing the rich cultural heritage of the region.
• While other states have their own festivals, Sikkim is particularly known for its vibrant observance of Saga Dawa.

Ans: (b)

• Pandit Jasraj is celebrated for his contributions to Hindustani classical music, which is a major tradition of Indian classical music.
• He is known for his vocal skills and has played a significant role in popularizing this genre.
• While Carnatic music is another form of Indian classical music, it is distinct from Hindustani music.
• His performances often include ragas and talas, showcasing the depth of Hindustani tradition.

Ans: (b)

• Aipan is a traditional folk art from Uttarakhand, known for its beautiful designs and patterns.
• This art form is often used in festivals and rituals, showcasing the rich cultural heritage of the region.
• Unlike other options, such as Chikankaari and Zari work, which originate from different parts of India, Aipan is unique to Uttarakhand.
• It typically involves the use of natural colors and is often painted on the floor or walls during celebrations.

Ans: (b)

• In reverse order, the English alphabet is: Z, Y, X, W, V, U, T, S, R, Q, P, O, N, M, L, K, J, I, H, G, F, E, D, C, B, A.
• The fifth letter from the right end is V (counting from Z).
• Counting three letters to the left from V gives us: U (1), T (2), and S (3).
• Thus, the letter that is third to the left of V is H.

Ans: (b)

• To find the maximum marks, we first determine the passing marks. Since the student failed by 40 marks, he needed 125 + 40 = 165 marks to pass.
• Given that this is 33% of the total marks, we can set up the equation: 0.33 * Total Marks = 165.
• Solving for Total Marks gives us: Total Marks = 165 / 0.33 = 500.
• Thus, the maximum marks for the examination is 500.

Ans: (a)

• The ALU stands for Arithmetic Logic Unit, and it is the part of the CPU that performs all the calculations and logical comparisons needed for processing data.
• Registers are small storage locations that hold data temporarily, while cache memory is used for quick access to frequently used data.
• The control unit directs the operation of the processor but does not perform arithmetic or logical operations.
• Thus, the correct answer is the ALU, as it is specifically designed for these tasks.

Ans: (d)

• MS-Paint is a graphic design program, not a social networking site.
• Social networking sites like Facebook, Twitter, and LinkedIn are platforms for connecting and sharing with others.
• In contrast, MS-Paint is used for creating and editing images, which does not involve social interaction.
• Thus, the correct answer is MS-Paint as it does not fit the category of social networking websites.

Ans: (a)

• Manoj Ahuja is the current chairman of the Central Board of Secondary Education (CBSE).
• The CBSE is a significant educational board in India, overseeing school education.
• Manoj Ahuja's role involves making important decisions regarding the curriculum and examination processes.
• His leadership is crucial for the development and implementation of educational policies.

Ans: (a)

• Virat Kohli was nominated for the prestigious Rajiv Gandhi Khel Ratna Award in 2020 by the BCCI.
• This award is India's highest sporting honor, recognizing outstanding achievements in sports.
• Other players like MS Dhoni, Rohit Sharma, and Shikhar Dhawan are also prominent, but Kohli was the one nominated.
• His consistent performance and leadership in cricket have made him a deserving candidate for this accolade.

Ans: (b)

• The International Day of Light is celebrated on 16th May every year.
• This day highlights the importance of light in various fields such as science, culture, and education.
• It was established by UNESCO to promote awareness about the role of light in our lives.
• Celebrations include events and activities that focus on the significance of light and its applications.

Ans: (b)

• National Test Abhyas app is the correct answer as it was specifically designed by the HRD Ministry to help students prepare for competitive exams like JEE Main and NEET.
• This app provides mock tests that simulate the actual exam environment, allowing students to practice effectively.
• By using this app, students can assess their performance and identify areas where they need improvement.
• The initiative aims to enhance the preparation of students and make quality resources accessible to everyone.

Ans: (c)

• Someity is the official mascot for the 4th Asian Paralympic Games.
• This event is set to take place in October 2022.
• Someity represents the spirit of the games and is inspired by the cherry blossoms, symbolizing strength and resilience.
• It is important to recognize the significance of mascots in promoting awareness and inclusivity in sports.

Ans: (a)

• Norway was recognized as the leader in the World Press Freedom Index 2020, showcasing its commitment to a free and independent press.
• This ranking reflects the country's strong legal protections for journalists and a culture that values freedom of expression.
• In contrast, other countries like the USA and Malaysia have faced challenges regarding press freedoms.
• Thus, Norway's position highlights its role as a model for press freedom globally.

Ans: (b)

• Kerala was the state that introduced a robot to assist in serving food and medicines to patients affected by COVID-19.
• This innovative approach aimed to minimize human contact and ensure safety during the pandemic.
• The use of a robot helped in maintaining hygiene and efficiency in the isolation wards.
• Kerala's proactive measures during the crisis showcased its commitment to healthcare and technology integration.

Ans: (a)

• Germany has made significant efforts to transition to renewable energy sources, leading to the shutdown of its coal and nuclear power plants.
• This move is part of Germany's commitment to reduce carbon emissions and combat climate change.
• While other countries like Argentina and South Africa still rely on these energy sources, Germany has taken a bold step towards sustainability.
• Thus, the correct answer is Germany, as it has actively pursued policies to phase out these traditional energy sources.

Ans: (a)

• World Tuna Day is recognized on 2nd May every year.
• This day aims to highlight the importance of tuna fish in marine ecosystems and global food security.
• It encourages sustainable fishing practices to protect tuna populations.
• By raising awareness, the UN hopes to promote better management of tuna fisheries.

Ans: (b)

• Nari Shakti translates to "Women Power" and was recognized for its significance in promoting gender equality and empowerment.
• This term reflects the growing awareness and advocacy for women's rights in India.
• The choice highlights the importance of women's contributions to society and the ongoing struggle for equality.
• Oxford University Press aims to capture the essence of contemporary language and social issues through such selections.

Ans: (b)

• Wearing white clothing is crucial for visibility in low-light conditions. It helps others see you, especially drivers.
• Black clothing can make you hard to spot in the dark, increasing the risk of accidents.
• Choosing bright colors like white enhances your safety while jogging.
• Always prioritize visibility when exercising in the evening to ensure your safety.

Ans: (c)

• Paraphrasing is a technique that helps clarify a speaker's message and indicates that you are paying attention.
• Making eye contact is crucial as it shows interest and engagement in the conversation.
• However, ignoring body language is not a good practice; it can lead to misunderstandings.
• Active listening means responding to the speaker, which enhances communication.

Ans: (c)

• Encouraging open communication and collaboration is essential for a good leader. It fosters a positive team environment.
• Listening to different perspectives can lead to better ideas and solutions.
• Making decisions that consider the team's input helps build trust and respect.
• In contrast, expelling team members or trying to please everyone can create conflict and hinder progress.

Ans: (d)

• Perseverance means to keep going and not give up, even when things get tough.
• It involves continuing to work towards a goal despite facing challenges or setbacks.
• Unlike the other options, which suggest negative or unrelated attitudes, perseverance is about determination and resilience.
• In essence, it’s about having the strength to push through difficulties to achieve success.

Ans: (c)

• Bullying is characterized by threats, physical or verbal attacks, and exclusion from groups.
• It is always intentional, meaning the bully aims to harm or intimidate.
• There is usually a power imbalance where the bully has more power than the victim.
• However, bullying is not just a normal conflict between children; it is a more serious issue.

Ans: (c)
The Indian Space Research Organization and the Airports Authority of India together developed the augmentation system known as GAGAN (ISRO).

Ans: (d)

• Vikramshila University was indeed established by the second Pala king Dharamapala, making statement I true.
• Red Fort and Jama Masjid were built by Shah Jahan, confirming statement II as true.
• However, statement III is incorrect because the Chola Empire was founded by Vijayalaya Chola, not just Vijyalaya.
• Buland Darwaja was constructed by Akbar in 1602, making statement IV true.
• Thus, the correct statements are I and IV, leading to the answer being A

Ans: (b)
(i) Tiger Woods was the inaugural winner of the Laureus World Sports Award for Sportsman of the Year. 
(ii) Tennis players have dominated the winners list with ten awards. 
(iii) Athletes and Formula 1 drivers have won six times.
(iv) Golfers have won the award four times.

Ans: (c)

• Statement-I claims that the difference between two numbers is 16, and that one-third of the smaller number exceeds one-seventh of the larger number by 4. Solving these equations confirms that the larger number is indeed 49.
• Statement-II involves the equation 4 + 5(x – 1) = 34. Solving this gives x = 5, which is correct.

Ans: (d)

• Slicer is a tool used for filtering data in Excel, not a chart type.
• In contrast, Pie, Line, and Bubble are all recognized chart types that visually represent data.
• Understanding the different tools and features in Excel helps in effectively analyzing and presenting data.
• Thus, the correct answer is D, as it does not fit in the category of charts.