E. Application/Skill-based Questions 1. Draw a labelled diagram ovule as seen in longitudinal section. 2. Given alongside is the longitudinal section of pistil. (a) Label the parts marked 1 1-7. (b) What is the function of stigma? (c) What is the function of a pollen tube?
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b) The function of stigma is to serve as the landing platform for the pollen grains.
c) The pollens after landing on stigma forms pollen tube which carries male gametes towards ovary through the style This process is also called as siphonogamy.
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