Science And Technology Challenge 4

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  • 1/10 Questions

    Which is the largest sub glacial lake in Antarctica?

    • Lake Virgaya
    • Lake Vostok
    • Lake Ellsworth
    • Lake Hodgson
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About This Quiz

Explore key scientific and technological concepts with the 'Science and Technology Challenge 4'. This quiz assesses knowledge in defense technology, material science, and geographical features, enhancing understanding of ballistic systems, breakthrough materials like Kevlar, and significant natural landmarks.

Science And Technology Challenge 4 - Quiz

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  • 2. 

    Who invented Kevlar, the material used to make bullet proof vests?

    • Stephanie Kwolek

    • Tomas Transtormer

    • CNR Rao

    • K. Eric Drexler

    Correct Answer
    A. Stephanie Kwolek
    Explanation
    Stephanie Kwolek invented Kevlar, the material used to make bulletproof vests. Kevlar is a strong and lightweight synthetic fiber that has high tensile strength and is resistant to heat and chemicals. Kwolek's invention of Kevlar in 1965 revolutionized the field of personal protection, as it provided a highly effective material for bulletproof vests and other protective gear. Her discovery has saved countless lives and has been widely used in law enforcement and military applications.

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  • 3. 

    Vitamin B2 is_______

    • Niacin

    • Pentothnic Acid

    • Pyridoxine

    • Riboflavin

    Correct Answer
    A. Riboflavin
    Explanation
    Riboflavin is a type of Vitamin B2. It is an essential nutrient that plays a crucial role in the body's energy production and metabolism. It is involved in the breakdown of carbohydrates, proteins, and fats, and helps convert them into usable energy. Riboflavin is also important for maintaining healthy skin, eyes, and nervous system. It can be found in various food sources such as dairy products, meat, eggs, and leafy green vegetables.

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  • 4. 

    What is contained in the Red Data Book?

    • Most wanted criminals

    • Hazardous chemicals

    • Endangered plants, animals

    • Endangered forests

    Correct Answer
    A. Endangered plants, animals
    Explanation
    The Red Data Book contains information about endangered plants and animals. It serves as a comprehensive record of species that are at risk of extinction. The book provides valuable data on the status and distribution of these species, helping to prioritize conservation efforts and raise awareness about the importance of protecting biodiversity. The inclusion of endangered forests or hazardous chemicals in the Red Data Book is not mentioned or implied in the question.

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  • 5. 

    Which of the following countries do not have a Ballistic Missile Defence System?

    • India

    • Israel

    • France

    • Russia

    Correct Answer
    A. France
    Explanation
    France does not have a Ballistic Missile Defence System. This is because France relies on its nuclear deterrent as its primary means of defense against ballistic missile threats. France maintains a strong nuclear arsenal and has not invested in a dedicated ballistic missile defense system like other countries. Instead, France focuses on maintaining a robust and credible nuclear deterrent to deter potential adversaries.

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  • 6. 

    Wheeler Island, on which India has a missile testing facility, is a part of which state?

    • Orissa

    • Karnataka

    • West Bengal

    • Andhra Pradesh

    Correct Answer
    A. Orissa
    Explanation
    The correct answer is Orissa. Wheeler Island, where India's missile testing facility is located, is a part of the state of Orissa.

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  • 7. 

    Which are the longest living cells in the body?

    • Red blood cells

    • White blood cells

    • Brain cells

    • Motor neurons

    Correct Answer
    A. Brain cells
    Explanation
    Brain cells, also known as neurons, are the longest living cells in the body. Unlike other cells that continuously divide and replace themselves, neurons are generally not replaced throughout a person's lifetime. This means that the neurons we are born with are the same neurons we have until we die. Although some neurons can be damaged or lost due to injury or disease, the majority of brain cells have the potential to last a lifetime.

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  • 8. 

    Fill in the blank. Sound travels ___ times faster in water than in air.

    • 2

    • 4

    • 1/2

    • 1/4

    Correct Answer
    A. 4
    Explanation
    Sound travels 4 times faster in water than in air. This is because the speed of sound is determined by the medium through which it travels. In general, sound travels faster in denser mediums, such as water, compared to less dense mediums, such as air. The molecules in water are closer together and can transmit sound waves more efficiently, resulting in a higher speed of sound. Therefore, sound travels four times faster in water than in air.

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  • 9. 

    Which is the most abundant element in the earth's crust?

    • Silicon

    • Iron

    • Manganese

    • Oxygen

    Correct Answer
    A. Oxygen
    Explanation
    Oxygen is the most abundant element in the earth's crust. It makes up about 46% of the crust's mass. It is found in various minerals such as silicates, oxides, and carbonates. Oxygen is essential for the formation of rocks and minerals, and it also plays a crucial role in many chemical and biological processes on Earth.

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  • 10. 

    Who among the following did not win the Nobel Prize in medicine for the year 2011?

    • Bruce Beutler

    • Dan Shechtman

    • Jules A. Hoffmann

    • Ralph M. Steinman

    Correct Answer
    A. Dan Shechtman
    Explanation
    The Nobel Prize in medicine for the year 2011 was awarded to Bruce Beutler, Jules A. Hoffmann, and Ralph M. Steinman. Therefore, Dan Shechtman did not win the Nobel Prize in medicine for the year 2011.

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  • Current Version
  • May 23, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 17, 2012
    Quiz Created by
    Quizzards
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