Angiosperm Reproduction
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| The products of meiosis in plants are always which of the following? | spores
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| Which of the following is the correct sequence during alternation of generations in a flowering plant? | sporophyte-meiosis-gametophyte-gametes-fertilization-diploid zygote
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| Which of the following is true in plants? | Meiosis occurs in sporophytes to produce spore
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| All of the following are features of angiosperms except: | a small (reduced) sporophyte
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| Based on studies of plant evolution, which flower is not a modified leaf? | receptacle
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| All of the following floral parts are directly involved in pollination except the: | sepal
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| Floral parts would have the greatest impact on pollination? | Sepal or Petal
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| A mutation in which of the following floral parts would have the greatest potential impact on fertilization? | Stamen or carpel
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| Which of the following is the correct order of floral organs from the outside to the inside of a complete flower? | sepals, petals, stamens, carpels.
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| All of the following are primary functions of flowers except: | photosynthesis
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| Meiosis occurs within all of the following flower parts except the... | style
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| A perfect flower is fertile but may be either complete or incomplete. Which of the following correctly describes a perfect flower? | It has both stamen and carpels.
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| Carpellate flowers.. | develop into fruits
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| which of the following types of plants is not able to self-pollinate? | dioecious.
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| In flowering plants, pollen is released from the ... | anther
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| In the life cycle of an agiosperm, which of the following stages is diploid.. | microsporocyte
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| Where does meiosis occur in flowering plants? | megasporocyte and microsporocyte
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| Which of the following is a correct sequence of processes that takes place when a flowering plant reproduces? | meiosis, pollination, nuclear fusion, formation of embryo and endosperm
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| Which of these is incorrectly paired with its life-cycle generation? | anther- gametophyte
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| Which of the following is the correct sequence of events in a pollen sac? | microsporocyte-meiosis-microspores-mitosis-two haploid cells per pollen grain
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| Which of the following occurs in an angiosperm ovule? | A megaspore mother cell undergoes meiosis.
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| Where and by which process are sperm produced in plants? | Mitosis in male gametophytes
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| In which of the following pairs are the two terms equivalent? | embryo sac -- female gametophyte
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| Which of the following is the male gametophyte of a flowering plant? | pollen grain
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| In flowering plants, a mature male gametophyte contains... | two sperm nuclei and one tube cell nucleus.
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| Within the female gametophyte, three mitotic divisions of the megaspore produce.. | three antipodal cells, two polar nuclei, one egg, and two synergids
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| The largest cell(s) of the typical angiosperm embryo sac is (are) the.. | central cell
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| Which cells, after fertilization, give rise to the embryo plant? | egg cell
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| Which cells becomes the triploid endosperm? | polar nuclei
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| Which cells guide the pollen tube to the egg cell | tube cell
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| What is the relationship between pollination and fertilization in plants? | Pollination brings gametophytes together so that fertilization can occur
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| Recent research has shown that pollination requires that carpels recognize pollen gains as "self or non self". For self-incompatibility, the system requires | the rejection of self cells
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| As flowers develop, which transition does not occur? | The tube nucleus becomes a sperm nucleus.
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| The integuments of an ovule function to do what? | form a seed coat
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| A fruit includes | one or more seeds and has fleshy cells rich in sugars.
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| What is typically the result of double fertilization in angiosperms? | Both a diploid embryo and a triploid endosperm are formed.
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| Which of the following statements regarding the endosperm is false? | It develops from the fertilized egg.
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| In angiosperms, products of the terminal cell become the: | proembryo and the coteyledons
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| Which of the following statements is correct about the basal cell in a zygote? | It forms the suspensor that anchors the embryo.
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| What is the embryonic root called? | radicle
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| Which of the following "vegetables" is botanically a fruit? | green beans
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| Which of these structures is unique to the seed of a monocot? | coleoptile
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| Which of the following statements about fruits is false? | Fruits form from microsporangia and integuments
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| Fruits develop from | ovaries
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| The first step in germination of a seed is usually | imbibition of water
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| When seeds germinate the radicle emerges before the shoot. This allows the seedling to quickly... | obtain a dependable water supply
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| Which of the following is not true of the hypocotyl hook? | It is the first structure to emerge from a eudicot seed.
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| In plants, which of the following could be an advantage of sexual reproduction as opposed to asexual reproduction? | genetic variation
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| Which of the following is true about vegetative reproduction? | It produces clones.
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| Which of the following is a true statement about clonal reproduction in plants? | Making cuttings of ornamental plans is a form of fragmentation.
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| All of the following could be considered advantages of asexual reproduction in plants except.. | adaptation of change.
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| Which of the following statements is true of protoplast fusion? | It can be used to form new plant varieties by combining genomes from two plants.
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| Which of the following statements is correct about protoplast fusion? | It can be used to form new plant species.
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| The most immediate potential benefits of introducing genetically modified crops include.. | increasing crop yield.
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| Which of the following is not a scientific concern relating to creating genetically modified crops? | The monetary costs of growing genetically modified plants are significantly greater than traditional breeding techniques.
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| Currently available transgenic plants have been modified for all of the following traits except.. | nitrogen fixation.
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| Flowers are made of modified.. | leaves
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| Which of these is unique to the flowering plants? | double fertilization.
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| What is endosperm? | a food-storing tissue of the seed
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| ________ is the first event in seed formation | pollination.
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| Which of the following statements is true about transgenic plants? | They contain genes from more than one species.
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