MCQ
Animal husbandry and plant breeding programmes are the examples of:
- AReverse evolution.
- BArtificial selection.
- CMutation.
- DNatural selection
Animal husbandry and plant breeding programmes need human intervention and desirable characters are introduced in plants and animals through manipulation. Hence, these are examples of artificial selection.
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| Column $- I$ | Column $- II$ |
| $(A)$ Ring worms | $(P)$ W. malayi |
| $(B)$ Elephantiasis | $(Q)$ Rhino virus |
| $(C)$ Common cold | $(R)$ HIV |
| $(S)$ Trichophyton |
$I.$ 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?
