Question
Biology Question on sexual reproduction in flowering plants
The fertilization in which male gametes are carried through pollen tube is known as
A
syngamy
B
porogamy
C
siphonogamy
D
chalazogamy
Answer
siphonogamy
Explanation
Solution
Siphonogamy is fusion of male and female gametes in seed plants, because it occurs with the help of pollen tube. Pollen tube can enter the ovule by three methods. [a] Porogamy-through micropyle [b] Chalazogamy-through chalaza [c] Mesogamy-pollen tube penetrates laterally through integuments. Syngamy is a general term used for fusion of male and female gametes.