Term
| By what process do the haploid cells in a new pollen grain produce two sperm cells? |
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Definition
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Term
| Why is staggered maturation a good mechanism for reducing self-fertilization? |
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Definition
| By the time one gamete is ready, the other is no longer viable or even present for fertilization to occur. |
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Term
| Which of the following is the correct order of floral organs from the inside to the outside of a complete flower? |
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Definition
| carpels; stamens; petals; sepals |
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Term
| How many petals does this flower have? |
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Definition
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Term
| Carrion flowers mostly attract: |
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Definition
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Term
| Which of the following is NOT true about a plant seed? |
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Definition
| It is fleshy, juicy, and edible. |
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Term
| For angiosperms, which of the following is the most correct statement about growth? |
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Definition
| Apical meristems increase length; vascular cambium increases girth. |
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Term
| Which of the following is INCORRECT about plant gamete production? |
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Definition
| Megaspores divide to produce microspore mother cells. |
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Term
| In flowering plants, meiosis occurs: |
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Definition
| in both the ovule and the anther. |
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Term
| The knots we see in wood represent: |
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Definition
| places where branches were connected to the trunk. |
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Term
| When you are seven years old, you write your name four feet above the ground, into a 12 foot tall bamboo plant. You spend the next ten years in a special home for vandals. When you get out the bamboo is 24 feet tall. At that time, how far above the ground will your name be? |
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Definition
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Term
| Which of the following describes an alternative to sexual reproduction employed by most plants? |
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Definition
| sprouting (such as through root suckers) |
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Term
| The endosperm that forms at the time of fertilization comes from: |
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Definition
| the fusion of a sperm cell with the central cell of the embryo sac. |
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Term
| Which of the following is TRUE about a sexually reproducing population? |
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Definition
| The population can better keep up with changing conditions. |
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Term
| The stamens of a flowering plant are broken down into two separate parts. The long, stalk-like structure is the _________ and the pollen-producing bodies on the tips are the __________. |
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Definition
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Term
| Meristem cells left behind as the top of a plant grows higher, are: |
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Definition
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Term
| The phrase "double fertilization" in angiosperms is best described by which of the choices below? |
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Definition
| Each pollen grain contains two sperm cells and one leads to the fertilization that produces the embryo and the other leads to the fertilization that produces the endosperm. |
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Term
| Fruit develops from a plant's: |
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Definition
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Term
| Unlike in animals, most of a tree's cells are: |
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Definition
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Term
| The common term for the action of transferring pollen grains from an anther onto a stigma is: |
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Definition
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