Quiz On Life Sciences

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| By Cheku
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Cheku
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Quizzes Created: 1 | Total Attempts: 7,430
Questions: 9 | Attempts: 7,433

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Quiz On Life Sciences - Quiz

-In the quiz. All questions are regarded from life science. Which were questioned in most of the competitve exam
-Each question will give with one right ans (or) all options are sutes to the question
-Try to do completely
-All the best


Questions and Answers
  • 1. 

    Who is the father of Organic chemistry

    • A.

      Robert Boyle

    • B.

      Wholer

    • C.

      Mendel

    • D.

      Aristotle

    • E.

      Antoine Lavoiser

    Correct Answer
    A. Robert Boyle
    Explanation
    Robert Boyle is considered one of the founders of modern chemistry and made significant contributions to the field of organic chemistry. He conducted experiments and observations on the properties and behavior of various compounds, including organic compounds. His work laid the foundation for the study of organic chemistry and helped establish it as a distinct branch of chemistry.

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  • 2. 

    Other name of Glycolysis

    • A.

      Hexosesdiphosphate pathway

    • B.

      TCA

    • C.

      HMP shunt

    • D.

      Glyconeogenisis

    • E.

      Gall pathway

    Correct Answer
    A. Hexosesdiphosphate pathway
    Explanation
    Glycolysis is also known as the Hexosesdiphosphate pathway. This pathway involves the breakdown of glucose into two molecules of pyruvate, producing a small amount of ATP and NADH in the process. It is the first step in cellular respiration and occurs in the cytoplasm of cells. The term "Hexosesdiphosphate pathway" refers to the fact that hexose sugars, such as glucose, are converted into diphosphate molecules during this process.

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  • 3. 

    The term Antibiotic was coined by

    • A.

      Alexander Flemming

    • B.

      Selman Walksman

    • C.

      Louis Pasteur

    • D.

      Robert Koch

    • E.

      Pollender

    Correct Answer
    B. Selman Walksman
    Explanation
    Selman Waksman is credited with coining the term "antibiotic." He was a Ukrainian-American biochemist and microbiologist who discovered several important antibiotics, including streptomycin. Waksman's research and discoveries revolutionized the field of medicine by providing effective treatments for bacterial infections. His work earned him the Nobel Prize in Physiology or Medicine in 1952.

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  • 4. 

    The term Aromatic means

    • A.

      Cyclic

    • B.

      Planar

    • C.

      Conjugated

    • D.

      Fragnance

    • E.

      Benzene

    Correct Answer
    D. Fragnance
    Explanation
    The term "aromatic" refers to a substance or compound that has a pleasant and distinctive smell, commonly known as fragrance. It does not necessarily imply any of the other options provided in the question, such as being cyclic, planar, conjugated, or specifically related to benzene. Aromatic compounds are often used in perfumes, essential oils, and other scented products due to their pleasant odor.

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  • 5. 

    No of  Immunoglobulins present in the human

    • A.

      5

    • B.

      6

    • C.

      4

    • D.

      2+1

    • E.

      2+4

    Correct Answer
    A. 5
    Explanation
    There are five different types of immunoglobulins (also known as antibodies) present in the human body: IgG, IgA, IgM, IgD, and IgE. Each type has a specific function in the immune response. IgG is the most abundant and provides long-term protection against infections. IgA is found in mucosal areas and helps to prevent pathogens from entering the body. IgM is the first antibody produced during an infection. IgD is involved in the activation of B cells. IgE is associated with allergic reactions. Therefore, the correct answer is 5.

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  • 6. 

    Fructose sugar is also know as

    • A.

      Grape sugar

    • B.

      Sweet sugar

    • C.

      Cane sugar

    • D.

      Beet sugar

    • E.

      Blood sugar

    Correct Answer
    B. Sweet sugar
    Explanation
    Fructose sugar is commonly known as sweet sugar because it is a naturally occurring sugar found in fruits and honey, which gives them their sweet taste. It is sweeter than regular table sugar (sucrose) and is often used as a sweetener in processed foods and beverages.

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  • 7. 

    Smallest bone in the man

    • A.

      Sternum

    • B.

      Rib

    • C.

      Toe

    • D.

      Thy bone

    • E.

      Maple

    Correct Answer
    E. Maple
  • 8. 

    No of  elements in the periodic table were natural

    • A.

      60

    • B.

      80

    • C.

      100

    • D.

      90

    • E.

      50

    Correct Answer
    D. 90
    Explanation
    There are a total of 118 elements in the periodic table, out of which 90 are naturally occurring. This means that these elements are found in nature without being synthesized or artificially created. The other 28 elements are either synthetic or have been created in laboratories. Therefore, the correct answer is 90, as it represents the number of naturally occurring elements in the periodic table.

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  • 9. 

    Power house of cell is considered as

    • A.

      Mitochondria

    • B.

      EPR

    • C.

      Golgi complex

    • D.

      Ribosomes

    • E.

      Mesomers

    Correct Answer
    A. Mitochondria
    Explanation
    Mitochondria are considered the powerhouses of the cell because they are responsible for producing the majority of the cell's energy in the form of ATP through cellular respiration. They have their own DNA and can self-replicate, suggesting an evolutionary origin from a symbiotic relationship with bacteria. Mitochondria have a double membrane structure and contain enzymes and proteins that play a crucial role in the production of ATP, which is essential for various cellular processes and activities.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 08, 2008
    Quiz Created by
    Cheku
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