You must be familiar with the following nursery rhymes:
(i) 'Baa baa black sheep, have you any wool.'
(ii) 'Mary had a little lamb, whose fleece was white as snow.' Answer the following:
(a) Which parts of the black sheep have wool?
(b) What is meant by the white fleece of the lamb?

Explanation

(a) Wool is obtained from the hairy fibres (hair) of the sheep.
(b) White fleece of the lamb refers to the white coloured hair of the lamb.