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When the pollen tube enter the embryo sac through the base of the ovule or even piercing the integument, the fertilization is called
  • a)
    Porogamic
  • b)
    Chalazogamic
  • c)
    Dicliny
  • d)
    Dichogamy
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
When the pollen tube enter the embryo sac through the base of the ovul...
Pollentube enters through chalazal part of embryosac is called CHALAZOGAMY, pollentube enters through integuments is called MESOGAMY, pollentube enters through micropyle is called POROGAMY..
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Community Answer
When the pollen tube enter the embryo sac through the base of the ovul...
When pollen tube enter the embryo sac through the base of ovule or by micropyle we called it porogamy ..for example in most of the angiosperms.. and if we talking about other options why they are not correct.. then the term chalazogamic is used when pollen tube enter from chalaza for example... casurina..and term dicliny is used for unisexuality.. for example... papaya, datepalm...and term dichogamy is used when male and female organs do not mature at same time ..for example... peepal ,banyan ,fig(where female mature first) and..saliva ,sunflower ,cotton( where male organ mature first).. I hope that helps you...
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When the pollen tube enter the embryo sac through the base of the ovule or even piercing the integument, the fertilization is calleda)Porogamicb)Chalazogamicc)Diclinyd)DichogamyCorrect answer is option 'B'. Can you explain this answer?
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