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Question:
What indicates 'X' and 'Y' in the following diagram?
What indicates 'X' and 'Y' in the following diagram?
Updated On: Aug 1, 2023
- X=Egg cell: Y= Synergid
- X= Synergid; Y= Filiform apparatus
- X= Filliform apparatus: Y= Synergid
- X= Egg cell; Y= Filiform apparatus
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The Correct Option is C
Solution and Explanation
The correct answer is option (C): X= Filliform apparatus: Y= Synergid
Synergids are present laterally in egg cells. They also have finger-like projections called filiform apparatus.
The function of synergids are:
They act as shock absorbers when there is an entry of pollen tubes.
They also secrete substances that can attract the pollen tubes
Out of two, one of the degenerates provides the entry of the pollen tubes.
The Filiform apparatus helps in guiding the pollen tube during entry.
Synergids are present laterally in egg cells. They also have finger-like projections called filiform apparatus.
The function of synergids are:
They act as shock absorbers when there is an entry of pollen tubes.
They also secrete substances that can attract the pollen tubes
Out of two, one of the degenerates provides the entry of the pollen tubes.
The Filiform apparatus helps in guiding the pollen tube during entry.
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Concepts Used:
Sexual Reproduction
Sexual reproduction takes place in both plants and animals. In sexual reproduction, genetically diverse organisms or sphinx are built this happens when two individuals of unique sex are combined.
The offspring built by sexual reproduction are genetically diverse in nature and can embrace themselves in accordance with the climate and other adaptable conditions many multicellular organisms practice sexual reproduction.
There are four types of sexual reproduction:
- Allogamy
- Internal fertilization
- External fertilization
- Autogamy
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