Sexual Reproduction in Flowering Plants Question 75

75. Entry of pollen tube through micropyle is

[1990]

(a) Chalazogamy

(b) Mesogamy

(c) Porogamy

(d) Pseudogamy

Show Answer

Answer : c

Hints & Solutions

(c) In porogamy the tip of pollen tube enters the micropyle, pushes through the nucellar tissue & finally pierces the egg-apparatus end of the embryo sac. If pollen tube enters through chalazal side it is called chalazogamy & if it enters laterally it is called mesogamy.