Verbal - Odd Man Out

DIRECTIONS : In this oddman out section we need choose the word or pair that different from remaining words or pairs.
81. Pick the odd one out
  A.  Tree
  B.  Fruit
  C.  Leaf
  D.   d. Flower
82. Pick the odd one out
  A. Radio waves
  B. X-rays
  C. Ultraviolet Rays
  D. Infrared Rays

83. Pick the odd one out
  A.  Telephone
  B.  Telescope
  C.  Transistor
  D.  Tape recorder
84. Pick the odd one out
  A.  Day
  B.  Month
  C.  Calendar
  D.  Fortnight
85. Pick the odd one out
  A.  Now
  B.   Again
  C.  After
  D.  Before