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Entry of pollen tube through micropyle is :-
[Jharkhand 2004]
- a)Porogamy
- b)Mesogamy
- c)Psemigamy
- d)Chalazogamy
Correct answer is option 'A'. Can you explain this answer?
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Entry of pollen tube through micropyle is :-[Jharkhand 2004]a)Porogamy...
The entry of pollen tube through micropyle is knows as POROGAMY. In this process the pollen tube enters the ovule through a micropyle gate way and this is known as porogamy.In common words we can clearly say that the entry of a pollen tube through micropyle in to a seed plant.So i think option C is correct.
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Entry of pollen tube through micropyle is :-[Jharkhand 2004]a)Porogamy...
The pollen tube can enter the ovule by porogamy mesogamy chalazogamy but it always enter the embryosac through porpgamy
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Entry of pollen tube through micropyle is :-[Jharkhand 2004]a)Porogamy...
Entry of pollen tube through micropyle is:
There are four different types of pollination mechanisms based on the entry of pollen tube through the micropyle. They are:
1. Porogamy: In this type of pollination, the pollen tube enters the ovule through the micropyle. It is the most common mechanism found in flowering plants.
2. Mesogamy: In this type of pollination, the pollen tube enters the ovule through the middle part of the ovule wall. It is less common compared to porogamy.
3. Psemigamy: In this type of pollination, the pollen tube enters the ovule through the integuments or outer layers of the ovule wall. It is relatively rare.
4. Chalazogamy: In this type of pollination, the pollen tube enters the ovule through the chalaza, which is the basal part of the ovule. It is also a less common mechanism.
Out of these four types, the entry of pollen tube through the micropyle is referred to as porogamy. Therefore, option A is the correct answer.
Note: The micropyle is a small pore present at the apex of the ovule, and it allows the entry of the pollen tube into the ovule during fertilization.
There are four different types of pollination mechanisms based on the entry of pollen tube through the micropyle. They are:
1. Porogamy: In this type of pollination, the pollen tube enters the ovule through the micropyle. It is the most common mechanism found in flowering plants.
2. Mesogamy: In this type of pollination, the pollen tube enters the ovule through the middle part of the ovule wall. It is less common compared to porogamy.
3. Psemigamy: In this type of pollination, the pollen tube enters the ovule through the integuments or outer layers of the ovule wall. It is relatively rare.
4. Chalazogamy: In this type of pollination, the pollen tube enters the ovule through the chalaza, which is the basal part of the ovule. It is also a less common mechanism.
Out of these four types, the entry of pollen tube through the micropyle is referred to as porogamy. Therefore, option A is the correct answer.
Note: The micropyle is a small pore present at the apex of the ovule, and it allows the entry of the pollen tube into the ovule during fertilization.
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Entry of pollen tube through micropyle is :-[Jharkhand 2004]a)Porogamyb)Mesogamyc)Psemigamyd)ChalazogamyCorrect answer is option 'A'. Can you explain this answer?
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