Human and Plant Reproductive Systems Quiz
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Questions and Answers

In the process of alternation of generations, which structure develops from the diploid sporophyte?

  • Flowers
  • Seeds
  • Spores (correct)
  • Gametes
  • What does the haploid gametophyte produce that fuses to create a diploid organism?

  • Gametes (correct)
  • Seeds
  • Embryo
  • Spores
  • Which characteristic describes a bisexual flower?

  • Contains extra sepals
  • Contains only stamens
  • Contains only carpels
  • Contains both stamens and carpels (correct)
  • In a eudicot seed, what does the zygote become?

    <p>Embryo (D)</p> Signup and view all the answers

    What is the primary method of seed dispersal for fleshy fruits?

    <p>Eaten by animals and seeds passed through feces (B)</p> Signup and view all the answers

    What is the male gonad and the female gonad respectively?

    <p>testis; ovary (B)</p> Signup and view all the answers

    What is the inner lining of the uterus called?

    <p>endometrium (A)</p> Signup and view all the answers

    During the first half of the ovarian cycle, what role does follicle-stimulating hormone (FSH) play?

    <p>promotes development of estrogen-secreting follicles (D)</p> Signup and view all the answers

    What is the second half of the ovarian cycle referred to as?

    <p>luteal phase (A)</p> Signup and view all the answers

    Which pairing of cycle phase and hormone level is incorrect?

    <p>menstruation - FSH peaks (C)</p> Signup and view all the answers

    How does a birth control pill primarily function?

    <p>inhibiting FSH and LH production (B)</p> Signup and view all the answers

    How do nonflagellated plant sperm reach the ovule from the stigma?

    <p>the sperm are delivered by a pollen tube (A)</p> Signup and view all the answers

    Which structure-to-function match is incorrect?

    <p>sepal - attracts pollinators (D)</p> Signup and view all the answers

    Flashcards

    Alternation of Generations (Plants)

    Diploid sporophyte produces spores, which develop into haploid gametophytes; haploid gametophytes produce gametes that fuse to create a new diploid sporophyte.

    Bisexual Flower

    A flower containing both stamens (male reproductive parts) and carpels (female reproductive parts).

    Double Fertilization

    The fusion of one sperm cell with the egg (forming the zygote) and another sperm cell with the polar nuclei (forming the endosperm).

    Eudicot Seed Parts (embryo/endosperm)

    The zygote develops into the embryo, while the endosperm provides stored food.

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    Seed Dispersal (fleshy fruit)

    Seeds are often eaten by animals and passed through their digestive system, spreading the seeds to new locations.

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    Male gonad

    The male reproductive organ, producing sperm.

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    Female gonad

    The female reproductive organ, producing eggs (ova).

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    Uterine lining

    The inner lining of the uterus, called the endometrium.

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    Ovarian cycle (first half)

    FSH promotes follicle development and estrogen secretion.

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    Ovarian cycle (second half)

    Luteal phase; characterized by progesterone production.

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    Birth control pill action

    Inhibits FSH and LH production to prevent ovulation.

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    Plant sperm transport

    Plant sperm travel through pollen tubes to the ovule.

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    Double fertilization outcome

    Produces a 2n zygote (seed's embryo) and a 3n endosperm tissue.

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    Study Notes

    Human Reproductive System

    • Male gonad: testis
    • Female gonad: ovary

    Uterus Lining

    • Inner lining of the uterus: endometrium

    Ovarian Cycle - First Half

    • Follicle-stimulating hormone (FSH) stimulates estrogen-secreting follicles.

    Ovarian Cycle - Second Half

    • Luteal phase

    Ovarian Cycle Mismatched

    • Menstruation is not associated with FSH peaks, but rather a decline in progesterone.

    Contraception

    • Birth control pills inhibit follicle-stimulating hormone (FSH) and luteinizing hormone (LH) production.

    Plant Reproduction

    • Plant sperm are non-flagellated. Sperm reach the ovule via a pollen tube.

    Flower Structure and Function

    • Sepal: protection of flower
    • Filament: produces pollen
    • Petal: attracts pollinators
    • Ovary: contains female gametophyte
    • Stigma: allows pollen to adhere

    Microsporogenesis

    • Microspores develop into pollen grains in the anther.

    Double Fertilization

    • Products of double fertilization in plant: 2n zygote and 3n endosperm

    Plant Alternation of Generations

    • Diploid sporophyte produces spores, which develop into haploid gametophyte.
    • Haploid gametophyte produces gametes that fuse to produce a new diploid sporophyte.

    Flower Types

    • Bisexual flower: contains both stamens and carpels.

    Seed Structure (Eudicots)

    • Zygote becomes the embryo.
    • Cotyledons are derived from the endosperm. Stored food within the seed.

    Fruit Dispersal

    • Fleshy fruits are dispersed by animals consuming them and passing the seeds in their feces.

    Gametophyte Location

    • Gametophytes of flowering plants are found within the flower.

    Double Fertilization Site

    • Double fertilization occurs in the ovule, specifically within the embryo sac.

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    Description

    Test your knowledge on the human and plant reproductive systems, covering topics such as the ovarian cycle, contraception methods, and flower structure. This quiz includes key terminology and concepts essential for understanding reproduction in both humans and plants.

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