Study the given diagrammatic representation of Griffith's experiment to demonstrate transformation in bacteria :

Select the option which is incorrectly representing the experiment:

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(iii) and (iv)

(i) and (iii)

(ii) and (iii)

(ii) and (iv)

answer is C.

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Detailed Solution

Streptococcus pneumoniae has virulent S (Smooth) and non-virulent R (Rough) strain S strain when injected in mice causes pneumonia, causing death of the organisms.
R strain do not cause death of mice.
Heat killed S strain do not cause death of mice.
Heat killed S and R causes death of mice.

S strain kills the mice.

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