Question
The diagram below shows a stage during fertilization in a plant.
(i) Name the parts labelled Q,R and S
(ii) State two functions of the pollen tube
(iii) On the diagram label the micropyle.
(i) Name the parts labelled Q,R and S
(ii) State two functions of the pollen tube
(iii) On the diagram label the micropyle.
Answer
(i)
Q - Antipodal cells / embryo sac wall
R - Polar nucleus/nuclei
S - Egg cell / ovum
- Secrete enzymes that digest the stigma / style / ovary tissue
- Offer passage for male nuclei to the ovum
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