Drugs

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Medicinal drugs (Antibiotics)

Subtopic

Medicinal drugs (Antibiotics) under Drugs for Grade 12 IGCSE.

About Topic & Revision

Preview questions (no answers)

1.
$Which of the following is a characteristic of a plasmid?$
A. $It is part of the main bacterial chromosome$
B. $It is a small, circular piece of extra-chromosomal DNA$
C. $It is only found in viruses$
D. $It is the site of cellular respiration$
2.
$What happens to the ribosomes of a bacterium when it is treated with a protein-synthesis-inhibiting antibiotic?$
A. $They grow larger$
B. $They are unable to link amino acids together correctly$
C. $They turn into vacuoles$
D. $They start producing lipids instead$
3.
$If an antibiotic has a very high therapeutic index, what does this generally mean?$
A. $It is very toxic to humans$
B. $It is much more toxic to the bacteria than to the human host$
C. $It is very expensive to produce$
D. $It only works on rare diseases$

Download the worksheet for Drugs - Medicinal drugs (Antibiotics) to practice offline. It includes additional chapter-level practice questions.

Misused drugs (Alcohol/Tobacco)

Subtopic

Misused drugs (Alcohol/Tobacco) under Drugs for Grade 12 IGCSE.

About Topic & Revision

Preview questions (no answers)

1.
$Why is it dangerous to consume alcohol while pregnant?$
A. $It makes the baby grow too fast$
B. $It can cause Fetal Alcohol Syndrome$
C. $It increases the mother's energy levels too much$
D. $It has no effect on the fetus$
2.
$Which of these is a short-term effect of drinking alcohol?$
A. $Liver cancer$
B. $Slurred speech$
C. $Permanent memory loss$
D. $Cirrhosis$
3.
$What is the effect of nicotine on the arteries?$
A. $It makes them wider$
B. $It has no effect on them$
C. $It makes them narrower$
D. $It makes them more elastic$

Download the worksheet for Drugs - Misused drugs (Alcohol/Tobacco) to practice offline. It includes additional chapter-level practice questions.