In gymnospermic plants, during pollination pollen grains are transferred to -

Options

A. Stigma
B. On archegonia
C. On ovary
D. Micropyle end of ovule

Answer

**Step-by-Step Solution:**

1. **Understanding Gymnosperms**: Gymnosperms are a group of plants that produce naked seeds. This means that their seeds are not enclosed within an ovary, unlike angiosperms (flowering plants).

2. **Definition of Pollination**: Pollination is the process of transferring pollen grains from the male part of the plant to the female part, which is necessary for fertilization to occur.

3. **Pollination in Gymnosperms**: In gymnosperms, pollination occurs primarily through wind. The pollen grains are released from the male cones and are carried by air currents.

4. **Target of Pollen Transfer**: During pollination, the pollen grains do not land on a stigma (as in angiosperms). Instead, they are transferred directly to the ovule, which is exposed in gymnosperms.

5. **Role of Micropyle**: The micropyle is a small opening in the ovule. It is through this opening that the pollen grains are transferred. The pollen grain then forms a pollen tube that carries the male gamete to the archegonia, the female reproductive structure.

6. **Conclusion**: Therefore, in gymnospermic plants, during pollination, pollen grains are transferred to the micropyle of the ovule.

**Final Answer**: Pollen grains are transferred to the micropyle of the ovule in gymnospermic plants.

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