Question

(a) Plan an experiment and prepare a flow chart of the steps that you would follow to ensure that the seeds are formed only from the desired sets of pollen grains. Name the type of experiment that you carried out.
(b) Write the importance of such experiments. [5]

Answer 1

(a) The experiment or technique that is carried out to obtain seeds from a desired set of pollen grains is referred to as artificial hybridization. [1]

It is carried out as follows:


If the female parent bears bisexual flowers, both emascualtion and bagging is carried out but if it bears unisexual flowers, only bagging is required. [3]

(b) Artificial hybridization is important for the following reasons (write any 2): [0.5x2=1 Mark]
(i) It ensures that the crops produced have the desired characteristics.
(ii) It helps to improve the crop yield.
(iii) It helps to yield commercially superior varieties.