They did not do well in this question may be because it  involved sketching and pattern drafting.
                    The required answers to the questions are as follows:
                        
                      (a)     Back pattern of a skirt
                    (b)        Uses  of the following:
                    (i)         Thread marking:   This is a temporary stitch used to mark 
           fitting lines, pleat lines, etc.
                    (ii)        Stitch  ripper:    It is a small needlework tool used for 
                      unpicking  stitches. Also used for cutting    
                      button hole.
                      (iii)       ‘T’  Square:    It is used for drafting  especially for 
                      making straight lines.
                    (iv)       Hem  guage:    It is used for measuring  small parts of a  garment  e.g. seams, hems, pleats, etc.
                    
                      - Long and short  tacking:  This is a temporary stitch  used for holding seams and hems in  position for stitching. Also used for making embroidery and as a filling  stitch.                    
 
                    
                    (c)        Difference  ways of obtaining patterns
                    
                      - Drafting
 
                      - Draping or modeling
 
                      - Commercial patterns
 
                      - Flat pattern designing
 
                      - Free hand cutting
 
                      - Knock off design Grading