Question
Biology Question on sexual reproduction in flowering plants
Embryo sac is to ovule as _____ is to an anther.
A
stamen
B
filament
C
pollen grain
D
androecium
Answer
pollen grain
Explanation
Solution
A typical carpel consists of ovary which can have many ovules. Each ovule has an embryo sac, which in turn has a single egg cell. Similarly, in majority of angiosperms each stamen consists of a bilobed anther, which in turn has two pollen sacs in each lobe, consisting of pollen grains.