Question

Differentiate between the following pair of terms
Hilum and micropyle.

Answer 1

• The hilum is a scar on the seed coat marking where the seed was attached whereas micropyle is the pore in the seed coat.
  
• The hilum is partially covered by caruncle whereas micropyle is fully covered by caruncle.
  
• The hilum is the point which attaches ovule to the placenta whereas water is absorbed through micropyle into the embryo of seed during germination.