Observation

In part (a), majority of the candidates could not draw specimens A and B correctly.
              
In part (b), majority of the candidates correctly mentioned two uses of specimen A in fish farming.
In part (c), candidates could not describe correctly how specimen B is used in capture fisheries.

Seine net

(b)        Uses of specimen A ( Scoop net)
   -           for fish sampling/sorting/grading
   -           for transfer of fish
   -           for plankton / algae collection/fry/aquatic animal/fish collection             
   -           remove dead fish/dirt/unwanted material in culture water
   -           partial cropping/selection
(c)        Description of how specimen B (seine net) is used in capture fisheries
-   the first towing line/ pole is fastened ashore
-   the second wing/pole/line of seine net is set out in a wide arc by the operator or the net can be deployed from a boat into the water
-   the operator walks slowly parallel to the shore
-   the other operator towed simultaneously from the beach/shore
-   the fish is herded to the bag/bunt/cavity/pocket/cord end/belly/cavity
-   the foot/ ground rope is pulled to reach the shore first
-   the two wings are close up/brought together