Question

Match the following.

(i)	Mercury	(a)	Low blood pressure, blindness
(ii)	Lead	(b)	Hyperkeratosis, liver cirrhosis
(iii)	Arsenic	(c)	Bone deformation, testicular dystrophy
(iv)	Cadmium	(d)	Abdominal pain, haemolysis
		(e)	Anaemia, convulsions

• A. i-e, ii-d, iii-c, iv-b
• B. ii-d, ii-e, iii-b, iv-c
• C. i-c, ii-b, iii-,d, iv-a
• D. i-b, ii-c, iii-d, iv-e

Answer 1

The correct option is B ii-d, ii-e, iii-b, iv-c

Exposure to mercury pollution can result in many negative health effects. This is true even at low levels, especially for pregnant women and children. Lead pollution remains a serious problem in developing countries. The symptoms of lead poisoning include impaired cognition, abdominal pain, irritability, impotence, insomnia, a metallic taste in the mouth and headache. With arsenic pollution, it creates problems of bone softening and deformation of testes. Skeletal damage is another critical effect of long term exposure to cadmium at levels somewhat higher than those for which kidney problems occur. When it is breathed in, cadmium can cause lung cancer. It doesn't seem to cause cancer when it is ingested. Cadmium is mainly stored in the liver and kidneys.

So the correct answer is 'i-e, ii-d, iii-c, iv-b'.