Match List I (Hazardous substance) with List II (Specific effect) and choose the correct answer from the options given below.

List I

i.Neurotoxins

ii.Mutagens

iii.Teratogens

iv.Carcinogens

List II

a.Substances that cause cancer

b.Substances that attack nerve cells

c.Substances that damage or alter genetic material (DNA) in cells

d.Substances that cause abnormality during embryonic growth and development

Ai-a, ii-d, iii-b, iv-c

Bi-d, ii-a, iii-c, iv-b

Ci-b, ii-c, iii-d, iv-a ✓ Correct

Di-c, ii-b, iii-a, iv-d

Correct answer: (C) i-b, ii-c, iii-d, iv-a

Explanation

Neurotoxins pair with substances that attack nerve cells.

Mutagens pair with substances that damage or alter genetic material in cells.

Teratogens pair with substances that cause abnormality during embryonic development.

Carcinogens pair with substances that cause cancer.

These four hazard classes are defined by the specific body system or process they harm.

Many pollutants like heavy metals and certain solvents can act across more than one of these classes.

Want more like this? Create a free account to practise a full test, track your progress, and get spaced-repetition review.