Sunday, June 26, 2011

Double Fertilisation

WHAT YOU SHOULD KNOW:

1. Draw and label diagrams to show the stages in the formation of:

a) pollen grains from pollen mother cell, [ 4 marks ]

b) embryo sac from embryo sac mother [ 4 marks ]

2. (a) Describe the formation of pollen and grain. [ 4 marks ]

(b) describe the formation of zygote. [ 2 marks ]

(c)describe the formation of triploid nucleus [ 4 marks ]

3.Discuss and draw a concept map of double fertilization in flowering plants. [ 10 marks]

4. Relate the structure of a fruit to the flower parts ~ Paper 1

5.Explain the importance of double fertilization for the survival of flowering plants. [ 4 marks ]

HAPPY REVISING..Kindly drop questions @formspring if you have any :)



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