Q. No.Filiform apparatus is associated with _____ and helps in _____________.
1. Syngergids; Nourishment of egg cells
2. Synergids; Guiding the pollen tube
3. Antipodals; Nourishment of egg cells
4. Antipodals; Guiding the pollen tube
1. Syngergids; Nourishment of egg cells
2. Synergids; Guiding the pollen tube
3. Antipodals; Nourishment of egg cells
4. Antipodals; Guiding the pollen tube
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Identify the plant pollinated by insects that, in many species, emit a scent of decaying flesh from the inflorescence, in order to attract insects:
| 1. | Yucca | 2. | Amorphophallus |
| 3. | Zostera | 4. | Vallisneria |
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Dioecy in flowering plants prevents:
1. Autogamy but not Geitonogamy
2. Geitonogamy but not Autogamy
3. Both Geitonogamy and Autogamy
4. Neither Geitonogamy nor Autogamy
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The correct sequence of layers in the wall of an anther from outside to inside is:
| 1. | Tapetum – Middle Layers – Endothecium – Epidermis |
| 2. | Epidermis – Endothecium – Tapetum – Middle layers |
| 3. | Epidermis – Endothecium – Middle layers – Tapetum |
| 4. | Tapetum – Endothecium – Middle layers – Epidermis |
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Identify the incorrectly matched pair:
| Cell | Ploidy | |
| 1. | Cells of nucellus | Diploid |
| 2. | Megaspore mother cell | Haploid |
| 3. | Functional megaspore | Haploid |
| 4. | Cells of female gametophyte | haploid |
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In angiosperms:
1. Pollen grains are motile but the egg cell is non-motile.
2. Pollen grains are non-motile but the egg cell is motile.
3. Both pollen grain and egg cell are non-motile.
4. Both pollen grain and egg cell are motile.
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The body of the ovule fuses with the funicle in the region called:
| 1. | Chalaza |
| 2. | Micropyle |
| 3. | Hilum |
| 4. | Nucellus |
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Division of functional megaspore can be described as:
| 1. | Three free nuclear mitotic divisions. |
| 2. | One meiotic and two mitotic divisions, all free nuclear. |
| 3. | Three cytoplasmic mitotic divisions. |
| 4. | One meiotic and two mitotic divisions, meiotic being cytoplasmic and mitotic being free nuclear. |
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Pollen tube, after reaching the ovary, enters the ovule through _______ and then enters one of the _____________ through filiform apparatus.
| 1. | Chalaza; Synergids | 2. | Micropyle; Antipodals |
| 3. | Micropyle; Synergids | 4. | Chalaza; Antipodals |
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