Imagine a plant species where the pollen tube enters the embryo sac through the chalaza instead of the micropyle (chalazogamy). Which of the following would be the LEAST affected by this unusual entry pathway?
The path of pollen tube growth within the style.
The interaction between the pollen tube and the synergids.
The genetic makeup of the sperm cells.
The timing of pollen tube discharge into the embryo sac.
Related Questions
Larger nucleus in a pollen grain is
Tube nucleus
Sperm nucleus
Generative nucleus
None of these
Which of the following statements is wrong?
1 is a prime number.
There are infinitely many prime numbers.
2 is the only even prime number.
All prime numbers greater than 2 are odd.
60% of the angiosperms shed their pollens at the
2-celled stage
3-celled stage
4-celled stage
1-celled stage
Pollen tube protrudes out of ?
micropyle
carpophore
germpore
stomium
Larger nucleus in a pollen grain is
Generative nucleus
Vegetative nucleus
Tube cell
Sperm nucleus
Select the incorrect statement w.r.t. pollen grains.
The exine is made up of pectin and cellulose.
The intine is made up of cellulose and pectin.
Generative cell divides to form two male gametes.
Pollen grains are generally spherical.
