(a) Surgical instruments are made up of steel. (1 Mark)
(b) Newspaper is made up of paper and paper is obtained from plants. (1 Mark)
(c) Electrical switches are made up of plastic. (1 Mark)
(d) Wool is obtained from wool yielding animals, so wool is an animal product. (1 Mark)
∙ The correct matching is as given: (a)-(iii), (b)-(iv) , (c)-(i), (d)-(ii)