Question:
The following is not related to the events of pollen-pistil interaction:
The following is not related to the events of pollen-pistil interaction:
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Pollen-pistil interaction occurs before fertilization, while syngamy and zygote formation occur during fertilization.
Updated On: Jun 19, 2026
- Formation of pollen tube
- Germination of pollen grain on stigma
- Formation of zygote as a result of syngamy
- Growth of pollen tube through style and reaching the ovule
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The Correct Option is C
Solution and Explanation
Step 1: Understand pollen-pistil interaction.
Pollen-pistil interaction includes all events from pollen landing on the stigma up to the entry of pollen tube into the ovule.
It involves recognition, acceptance or rejection of pollen by the pistil.
Step 2: Events included in pollen-pistil interaction.
Germination of pollen grain on stigma is a part of pollen-pistil interaction.
Formation of pollen tube is also a part of it.
Growth of pollen tube through style and reaching the ovule is also included.
Step 3: Identify the event not included.
Formation of zygote as a result of syngamy occurs after fertilization.
This is not considered a part of pollen-pistil interaction.
Step 4: Final conclusion.
Hence, the event not related to pollen-pistil interaction is \[ \boxed{\text{Formation of zygote as a result of syngamy}} \]
Pollen-pistil interaction includes all events from pollen landing on the stigma up to the entry of pollen tube into the ovule.
It involves recognition, acceptance or rejection of pollen by the pistil.
Step 2: Events included in pollen-pistil interaction.
Germination of pollen grain on stigma is a part of pollen-pistil interaction.
Formation of pollen tube is also a part of it.
Growth of pollen tube through style and reaching the ovule is also included.
Step 3: Identify the event not included.
Formation of zygote as a result of syngamy occurs after fertilization.
This is not considered a part of pollen-pistil interaction.
Step 4: Final conclusion.
Hence, the event not related to pollen-pistil interaction is \[ \boxed{\text{Formation of zygote as a result of syngamy}} \]
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