What does filiform apparatus do at entrance into ovule?

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1.Sexual Reproduction in Flowering Plants

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What does the filiform apparatus do at the entrance into ovule?

It helps in the entry of pollen tube into a synergid

It prevents entry of more than one pollen tube into the embryo sac

It brings about opening of the pollen tube

It guides pollen tube from a synergid to egg

Solution

Synergid cells are characterized by the presence of finger like projections called filiform apparatus attached to their upper wall at micropyler end. This filiform apparatus is known to attract and guide the pollen tube.

Standard 12

Biology

Identify the type of ovary in diagram

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With a neat, labelled diagram, describe the parts of a mature angiosperm embryo sac. Mention the role of synergids.

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Assertion: The megaspore mother cell divide mitotically to produce four spores.
Reason: Megaspore mother cells are diploid and megaspore is haploid.

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(AIIMS-2002)

The haploid cell which divides by mitosis to form embryosac is

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The germination of pollen grain results in the formation of

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What does the filiform apparatus do at the entrance into ovule?

Solution

Similar Questions

Identify the type of ovary in diagram

With a neat, labelled diagram, describe the parts of a mature angiosperm embryo sac. Mention the role of synergids.

Assertion: The megaspore mother cell divide mitotically to produce four spores. Reason: Megaspore mother cells are diploid and megaspore is haploid.

The haploid cell which divides by mitosis to form embryosac is

The germination of pollen grain results in the formation of

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Assertion: The megaspore mother cell divide mitotically to produce four spores.
Reason: Megaspore mother cells are diploid and megaspore is haploid.