Why are male and female parts necessary for sexual reproduction? Explain their presence with the help of drawing their location on a flower. 

Grafting is a technique used to increase the numbers of a particular variety of plant. A stem cutting, from a commercially grown fruit tree, P was grafted onto the roots of a non-commercial tree Q.

a) What is the type of reproduction shown in this process? 
b) If the new tree bears fruits, which variety will the fruits would be produced - commercial or non-commercial? Why?
c) List three ways to ensure that grafting in the above case is successful? 
d) Which other technique, similar to grafting, can be used to increase fruit production? 

The diagram represents a section through a flower. What are the names of the labelled structures? 

State and describe the dispersal method for the given plant.

These diagrams show three brightly coloured flowers, A, B, and C, from the same plant. In an experiment, a certain part of each flower was removed as shown below.

a) If pollen were scattered on top of each flower, which flower (s) would not be able to bear fruit? 
b) Give the reason for your answer in (a). 
c) What is the impact of removing the petals in the flower C?