1. JDUGHQ = GARDEN (3 letter shift)

2. TRAIN = YWFNS (5 letter shift)

3. ZFMMPX = YELLOW (1 letter shift)

4. BEAR = CFBS (1 letter shift)

5. VIQWUGTU = TROUSERS (2 letter shift)

6. SUNSHINE = PRKPEFKB (3 letter shift) 

7. LSSX = FOOT (4 letter shift)

8. PAINT = VGOTZ (6 letter shift)

9. URCP = SPAN (2 letter shift)

10. BANANA = DCPCPC (2 letter shift)

PLEASE READ: The code on question 5 actually decodes to "TGOUSERS" but i assume the actual answer was meant to be "TROUSERS" so i just put it in. Hope you don't mind.