Science and Technology II · Textbook solutions

Cell Biology and Biotechnology

Every solved example, exercise, and miscellaneous question — in the order the textbook teaches them. · 21 questions

Exercise

21 q
  1. Fill in the blanks and complete the statements.
    Ex Q1(a)
    Methods like artificial insemination and embryo transplant are mainly used for --
  2. Ex Q1(b)
    -- -- -- -- is the revolutionary event in biotechnology after cloning.
  3. Ex Q1(c)
    The disease related with the synthesis of insulin is --- --- ---.
  4. Ex Q1(d)
    Government of India has encouraged the -- -- --- -- for improving the productivity by launching NKM-16.
  5. Ex Q2
    Match the pairs.
    Column AColumn B
    a. Interferon1. Diabetes
    b. Factor2. Dwarfness
    c. Somatostatin3. Viral infection
    d. Interleukin4. Cancer
    5. Haemophilia
  6. Rewrite the following wrong statements after corrections.
    Ex Q3(a)
    Changes in genes of the cells are brought about in non-genetic technique.
  7. Ex Q3(b)
    Gene from Bacillus thuringiensis is introduced into soyabean.
  8. Write short notes.
    Ex Q4(a)
    Biotechnology: Professional uses.
  9. Ex Q4(b)
    Importance of medicinal plants.
  10. Answer the following questions in your own words.
    Ex Q5(a)
    Which products produced through biotechnology do you use in your daily life?
  11. Ex Q5(b)
    Which precautions will you take during spraying of pesticides?
  12. Ex Q5(c)
    Why some of the organs in human body are most valuable?
  13. Ex Q5(d)
    Explain the importance of fruit processing in human life?
  14. Ex Q5(e)
    Explain the meaning of vaccination.
  15. Ex Q6
    Complete the following chart. A central oval labelled Merits of Biotechnology has a line running from it to each of eight boxes arranged around it. Every one of the eight boxes is blank.
  16. Ex Q7
    Write the correct answer in blank circles. A central circle labelled Uses of stem cells is touched by three larger blank ellipses, one to the upper left, one to the upper right and one below.
  17. Identify and complete the following correlations.
    Ex Q8(a)
    Insulin : Diabetes :: Interleukin : -- -- --
  18. Ex Q8(b)
    Interferon : -- :: Erythropoietin : Anaemia.
  19. Ex Q8(c)
    ------- : Dwarfness :: Factor VIII : Haemophilia.
  20. Ex Q8(d)
    White revolution : Dairy :: Blue revolution : -- -- -- --.
  21. Ex Q9
    Write a comparative note on usefulness and harmfulness of biotechnology.