ICSE Class 10 Answered

The main functions of the synergids are:

• The chemical substances secreted by the filiform apparatus of the synergids helps in attracting the pollen tube towards the embryo sac.
• The degenerating synergids act as a site of the discharge of the male gametes of the pollen tube.
• In certain plants the synergids function as haustoria. The filiform apparatus of the synergids helps in the absorption and transfer of the nutrients from the nucellus into the embryo sac.