Which of the following is the correct sequence for the pollen tube to eventually reach the egg in a flowering plant?
a. stigma, ovary, ovule, style
b. style, stigma, ovary, ovule
c. stigma, style, ovary, ovule
d. ovule, ovary, style, stigma
Answers
OPTION C.) STIGMA, STYLE, OVARY, OVULE
EXPLANATION -
After pollen grains land on the stigma, a pollen tube grows from the pollen grain, through the style, and into the ovary. Sperm cells inside the pollen grain travel down the pollen tube and into the ovary which contains the ovules. Fertilization occurs when one of the sperm cells fuses with the egg inside of an ovule.
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Answer:
Option number c i.e, Stigma , style , ovary , ovule is the right answer .
In flowering plants there are male as well as female part in one flower sometimes it may be two flower each , so the anther is the male part of the flower and it contains pollen grain which is used in fertilization. Now , the female part of the flower are stigma , style , ovary , ovules . so when fertilization takes place in flowers then the male gamet i.e, pollen grains from the anther enters into female part of the flower , it first entres through the stigma and then passes through tge style and then it goes to the ovary of a flower , after entering the pollen grain fuses with the ovary present in the ovules to form a fertilized egg called zygote . so this is the beginning of a new plant after that it forms embroyo then it becomes a seed .