Identify correct modes of entry of pollen tube in diagrams given below

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1.Sexual Reproduction in Flowering Plants

normal

Identify the correct modes of entry of pollen tube in the diagrams given below

$A-Mesogamy,\; B-Chalazogamy,\; C-Porogamy$

$A-Chalazogamy, \;B-Porogamy,\; C-Mesogamy$

$A-Porogamy, \;B-Chalazogamy,\; C-Mesogamy$

$A-Porogamy, \;B-Mesogamy, \;C-Chalazogamy$

Solution

Modes of entity of pollen tube $(i)$ Porogamy Entry of pollen tube takes place through micropylar e . g., Lily $(ii)$ Chalazogamy Entry of pollen tube takes place through the chalazal end, e.g., Causarina Juglans $(iii)$ Mesogamy Entry of pollen tube takes place through the integuments e.g., Cucurbita, Populus

Standard 12

Biology