Seeds and flowers

This task is about plant reproduction.
a) Which one of the following is needed besides air and warmth for a grain of wheat to germinate?
 
(A) Moisture
(B) Soil
(C) Sunlight
(D) Fertiliser
(E) Pollen
 
b) Which seed below is spread by sticking to birds and animals? __________

 
c) Which part on the above flower (i to v) is

  1. a petal? __________
     
  2. a sepal? __________
     
  3. the female part of flower? __________
     
  4. the male part of flower? __________