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Biological Clas...

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  • Question 1
    1 / -0

    Which of the following cannot be grown on artificial culture medium?

  • Question 2
    1 / -0

    Match the column:

    List I
    List II
    List III
    A) Adsorption phase
    i) Assemblage of virious
    I) Complementary receptor sites
    B) Lytic phase
    ii) Tail core is driven in through the bacterial cell wall.
    II) Eclipse period
    C) Maturation phase
    iii) Contact between phase
    III) Lysozyme
    D) Penetration phase
    iv) Cell wall dissolution
    IV) Tail sheath

  • Question 3
    1 / -0

    Who was able to culture virus for the first time?

  • Question 4
    1 / -0

    Boving spongiform encephalopathy disease is equal to

  • Question 5
    1 / -0

    The sequence of spore production in Puccinia (wheat rust) is

  • Question 6
    1 / -0

    Xanthomonas citri contains

  • Question 7
    1 / -0

    Which one secretes pheromones for the function?

  • Question 8
    1 / -0

    Match the columns and find the correct answer

    Column IColumn II
    (a)Streptomyces(p)Food poisoning
    (b)Rhizobium(q)Source of antibiotic
    (c)Nitrosomonas(r)Nitrogen fixation
    (d)Acetobacter(s)Nitrification
    (t)Vinegar synthesis

  • Question 9
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    Prions were studied by _______

  • Question 10
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    Select the correct matches.
    (a) Nitrosomonas - nitrite to nitrate
    (b) Thiobacillus - denitrification
    (c) Nostoc - free-living nitrogen fixer
    (d) Azotobacter - anaerobic nitrogen fixer

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