(a) mustard plant – (iii) seed

because seeds of the mustard plant are used for extracting oil.

(b) goat – (i) meat

because the flesh of goat is used as edible meat.

(c) hen – (ii) fruits and vegetables

because a hen eats fruit and vegetable

(d) smoke – (iv) the direction of air flow.

because smoke travels in the direction of air flow.

(e) wind – (v) prevent dust particles.

The takes away the dust particles.