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    Home » NCERT Solutions for Class 10 English Main Course Book (MCB) Chapter 5
    class 10 English : Main Course Book (MCB)

    NCERT Solutions for Class 10 English Main Course Book (MCB) Chapter 5

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    Unit-1 : Solutions of Questions on Page Number : 36


    NCERT Solutions for Class 10 English Main Course Book (MCB) Chapter 5

    Q1 : Some sub-titles are given below corresponding to each of the paragraphs of the article that you have just read. Match the sub-titles with their paragraphs by writing the number of the paragraph in the space provided.

    Subtitles

    Paragraph Number

    Birth of the first modern drug. _________________
    Man’s
    hunt for medicinal plants from ancient times.
    _________________
    Contribution of Greek scholars _________________
    Pioneering isolation of compounds _________________
    The beginning of a new era of recreation of plant
    components with modifications
    _________________
    Positive effects of new trade and trading routes _________________
    The Wonder Tree _________________
    Knowledge from ancient Egypt _________________

    Answer :

    Subtitles

    Paragraph Number

    Birth of the first modern drug.

    7

    Man’s hunt for medicinal plants from ancient times.

    1

    Contribution of Greek scholars

    3

    Pioneering isolation of compounds

    5

    The beginning of a new era of recreation of plant
    components with modifications

    8

    Positive effects of new trade and trading routes

    4

    The Wonder Tree

    6

    Knowledge from ancient Egypt

    2


    Q2 : Find words from the passage that mean the same or nearly the same as the following:
    (a) filled with a certain quality ( para 1 ) : ————-
    (b) scented or perfumed or sweet-smelling (para 2) : —————-
    (c) written work dealing with a subject systematically (para 3): ————–
    (d) people living at the same time as others (para 5) : —————-
    (e) notably large or significant (para 5 ) : —————
    Answer :
    (a) filled with a certain quality ( para 1 ) : imbued
    (b) scented or perfumed or sweet-smelling (para 2) : aromatic
    (c) written work dealing with a subject systematically (para 3): treatise
    (d) people living at the same time as others (para 5) : contemporaries
    (e) notably large or significant (para 6 ) : considerable


    Q3 : After the Renaissance, the major shifts that occurred in the approach towards herbal plants were ———————————-

    Answer :
    After the Renaissance, the major shifts that occurred in the approach towards herbal plants were that scientists and their scientific studies, discoveries and inventions came to the fore. Alchemists’ elixirs and other magical remedies were rejected. Local plants were carefully collected and widely used to make infusions, decoctions and ointments.


    Q4 : Isolation of compounds from plants to be used as drugs was the ———————–

    Answer :
    Isolation of compounds from plants to be used as drugs was the technique developed by the Swedish chemist Carl Wilheim Scheele and his contemporaries in the late 1700s.


    Q5 : Complete the following flowchart that traces the contributory processes leading to the development of the first modern drug from the willow tree.

    Answer :
    (a) salicin, the first major compound, was obtained in 1828
    (b) In 1838, the Italian chemist, Raffaele Piria also obtained salicylic acid from the bark by various chemical processes.
    (c) In 1853, a French chemist, Charles Frederic Gerhardt, synthesised a modified form of salicylic acid-acetylsalicylic acid.
    (d) Felix Hoffman’s contribution of rediscovering Gerhardt’s compound
    (d) Bayer decided to market the acetylsalicylic acid as a new drug for pain relief and patented the compound acetylsalicylic acid in 1899.


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    English : Main Course Book (MCB)

    • Chapter 1 - Unit-1 Do Indians get enough sleep?
    • Chapter 2 - Unit-1 Laughter- the Best Medicine
    • Chapter 3 - Unit-1 Whopping Walter Hudson
    • Chapter 4 - Unit-1 The World of Sports
    • Chapter 5 - Unit-1 Nature's Medicines
    • Chapter 6 - Unit-2 My Struggle for an Education
    • Chapter 7 - Unit-2 Educating the Girl Child
    • Chapter 8 - Unit-2 Inclusive Education
    • Chapter 9 - Unit-2 Vocational Education
    • Chapter 10 - Unit-3 Promise for the future: Renewable Energy
    • Chapter 11 - Unit-3 Plugging into Future
    • Chapter 12 - Unit-3 Space Travel
    • Chapter 13 - Unit-3 Letters From The Planet Aurigae II
    • Chapter 14 - Unit-4 Treading The Green Path- Towards Preservation
    • Chapter 15 - Unit-4 Heroes of the Environment
    • Chapter 16 - Unit-4 Let's Clean Up
    • Chapter 17 - Unit-4 A Tale of Three Villages
    • Chapter 18 - Unit-4 Geological Heritage
    • Chapter 19 - Unit-5 Land of All Seasons
    • Chapter 20 - Unit-5 Eco Tourism
    • Chapter 21 - Unit-5 The Emerald Islands
    • Chapter 22 - Unit-5 Promoting Tourism
    • Chapter 23 - Unit-6 Unity in Diversity
    • Chapter 24 - Unit-6 Challenges to National Integration
    • Chapter 25 - Unit-6 Spirit of Unity
    • Chapter 26 - Unit-6 Mile Sur Mera Tumhara
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