In which of the following plants, pollen tube enters through integuments?

In which of the following the pollen tube enters via chalaza ?

In which of the following the pollen tube enters via chalaza ?

Give correct term for the following statements: When pollen tube pierces through integuments of the embryo sac to reach the ovule.

Pollen tube when enter throgh integument, it refers to:

In porogamy, pollen tube enters ovules through

The pollen tube enters the ovule through

The pollen tube enters the ovule through

In mesogamy, pollen tube enters the ovule through