Biology 5090 · O Level · Disease

Disease — practice question

Fig. 4.1 illustrates some of the organs in a person that may be harmed by drug use.
(a)[2]

Define what is meant by the term drug.

(b)[4]

Complete Table 4.1 by naming organs D and E, then give one effect of each drug on the organ named.

(c(i))[2]

Identify two toxic constituents of tobacco smoke.

(c(ii))[1]

State the most likely effect on her baby if a mother smokes tobacco throughout pregnancy.

Worked solution & mark scheme

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