Consider the following statements

$I.$ Antibiotics are chemical substances produced by some microorganisms which can kill or retard the growth of other disease-causing microorganisms

$II.$ Penicillin is the first antibiotic discovered by Alexander Fleming $(1928),$ while working on bacterium Staphylococcusaureus

$III.$ The function of penicillin as an antibiotic was established by Ernst chain and Howard Florey

Which of the statement given above are correct?

  • A

    $I$ and $II$

  • B

    $I$ and $III$

  • C

    $II$ and $III$

  • D

    $I, II$ and $III$

Similar Questions

Match column $I$ with column $II$ and select the correct option using the codes given below.

Column $-I$ Column $-II$
$(A)$ Citric acid $(i)$ Trichoderma
$(B)$ Cyclosporin $A$ $(ii)$ Clostridium
$(C)$ Statins $(iii)$ Aspergillus
$(D)$ Butyric acid $(iv)$ Monascus

  • [NEET 2016]

Streptokinase is synthesizes by....

Identify fungi.

Identify the blank spaces $a, b, c$ and $d$ given inthe following table and select the correct answer.

Type of microbes

Scientific name

Commercial product

Bacterium

$a$

Clot buster enzyme

$d$

Aspergillus niger

Citric acid

Fungus

Trichoderma polysporim

$c$

Bacterium

  $d$

Butyric acidb

Identify the correct statements w.r.t. antibiotics

$(i)$ Fleming, Chain and Florey were awarded the Nobel prize in $1945$
$(ii)$ Antibiotics have greatly improved our capacity to treat deadly diseases
$(iii)$ Penicillin was used to treat American soldiers wounded in World War I