Chapter 38
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| When a microsporocyte undergoes meiosis, four ____ microspores are formed | haploid
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| The ability of a plant to reject its own pollen and sometimes the pollen of closed related individuals | Self-Incompatibility
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| The union of two sperms cells with different nuclei of the embryo sac | Double fertilization
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| Formed when one of the two sperm fertilizes the egg | Zygote
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| Formed when one of the two sperm combines with two polar nuclei | Endosperm
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| The zygote formed in double fertilization is: | Diploid
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| The endosperm formed as a result of double fertilization is: | Triploid
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| Develops into a seed | Ovule
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| Develops into a fruiting enclosing the seed | Ovary
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| Cell that gives rise to most of the embryo, after the first transverse mitotic | Terminal
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| Cell resulting from the first transverse mitotic division that produces a suspensor, which anchors the embryo to its parent | Basal
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| The embryonic axis located below the point at which the cotyledons are attached | hypocotyle
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| The embryonic root, the first structure to emerge upon germination | Radicle
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| A sheath in the embryo of a grass seed that covers the young shoot | Coleoptile
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| A sheath in the embryo of a grass seed that covers the young root | Coleorhiza
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| A type of fruiting that results from a single flower that has more than one separate carpel, each forming a small fruit. | Aggregate
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| A type of fruit that develops from many carpels from many different flowers | multiple
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| A condition of extremely low metabolic rate and suspension of growth that a seed may enter as it matures and dehydrates | dormancy
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| Asexual reproduction of seeds, production of seeds without pollination or fertilization | apomixis
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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