Types of Fruits and Fruit Structure Quiz

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Questions and Answers

What forms the seed coat, providing protection to the developing embryo?

  • Cotyledons
  • Endosperm
  • Plumule
  • Outer layers of the ovule (correct)

Which part of a seed embryo is responsible for developing into the stem above the cotyledons?

  • Endosperm
  • Plumule (correct)
  • Hypocotyl
  • Radicle

What type of fruits develop from the ovaries of multiple flowers growing in a cluster?

  • Simple fruits
  • Aggregate fruits
  • Accessory fruits
  • Multiple fruits (correct)

Which process results in offspring that are genetically identical to the parent plant?

<p>Apomixis (C)</p> Signup and view all the answers

Which type of plant completes its life cycle in one year?

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

What characterizes polycarpic plants?

<p>They can flower and set seeds multiple times over their lifespan. (D)</p> Signup and view all the answers

What is the function of the Calyx in a flower?

<p>Protecting the bud (B)</p> Signup and view all the answers

In a complete flower, which of the following statements is true?

<p>Both male and female parts are present (A)</p> Signup and view all the answers

What is the function of the Stigma in a flower?

<p>Receiving pollen grains (C)</p> Signup and view all the answers

How do you differentiate between a monocot and a dicot flower based on petal and sepal numbers?

<p>Monocots have 5 or multiples of 4 or 5 petals, while dicots have 3 or multiples (B)</p> Signup and view all the answers

What is the main function of the Androecium in a flower?

<p>Containing male reproductive structures (A)</p> Signup and view all the answers

In an imperfect flower, what does a staminate flower specifically lack?

<p>Female reproductive structures (D)</p> Signup and view all the answers

What is the main function of fruit?

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

Which type of fruit forms from many carpels that fuse together?

<p>Aggregate fruits (C)</p> Signup and view all the answers

Which of the following is NOT a type of simple fruit?

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

In which type of fruit does the endocarp form a hard enclosure (pit) surrounding the seed?

<p>Drupes (C)</p> Signup and view all the answers

Which of the following is an example of an accessory fruit?

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

What process in angiosperms leads to the formation of fruit?

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

Which method of natural asexual reproduction results in seed production without fertilization?

<p>Apomixis (C)</p> Signup and view all the answers

What plant structure allows for self-propagation and can give rise to multiple plants?

<p>Rhizome (C)</p> Signup and view all the answers

Which plant type flowers only once in its lifetime and dies soon after?

<p>Monocarpic plants (B)</p> Signup and view all the answers

What term is used to describe plant aging?

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

What is the result of microsporogenesis in angiosperms?

<p>Production of a pollen tetrad of microspores (B)</p> Signup and view all the answers

Which cell in angiosperms produces two sperm cells through mitosis?

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

What is the function of the tube cell in angiosperm reproduction?

<p>Develops into the pollen tube (B)</p> Signup and view all the answers

What is the outcome of megasporogenesis in angiosperms?

<p>Production of 4 megaspores (B)</p> Signup and view all the answers

Which part of the angiosperm female gametophyte contains polar nuclei that become the endosperm?

<p>Central cell (C)</p> Signup and view all the answers

What happens after a sperm cell unites with an egg cell within an ovule in angiosperms?

<p>Multiple cell divisions to form an embryo (A)</p> Signup and view all the answers

Which part of a seed serves as a food reserve for the developing embryo?

<p>Cotyledons (C)</p> Signup and view all the answers

What distinguishes monocots from dicots in terms of the number of sepals and petals in a flower?

<p>Monocots have 3 sepals and multiples of 3 petals, while dicots have 4 or 5 sepals and multiples of 4 or 5 petals. (D)</p> Signup and view all the answers

What are the main differences between a complete flower and a perfect flower?

<p>A complete flower has both male and female parts, while a perfect flower lacks one or more whorls. (A)</p> Signup and view all the answers

What distinguishes monoecious plants from dioecious plants in terms of their flowers?

<p>Monoecious plants have both male and female flowers on the same plant, while dioecious plants have male and female flowers on separate plants. (B)</p> Signup and view all the answers

How do angiosperms differ from gymnosperms in terms of their pollination methods?

<p>Angiosperms are mostly animal-pollinated, while gymnosperms mainly depend on wind pollination. (C)</p> Signup and view all the answers

What must happen after the mechanical transfer of pollen from anther to stigma for fertilization to potentially occur?

<p>The generative cell divides to produce two sperm cells with flagella. (B)</p> Signup and view all the answers

Describe how cross-pollination occurs through insects as pollinators.

<p>Insects are attracted to brightly colored and fragrant flowers that contain nectar. (C)</p> Signup and view all the answers

Which process leads to the formation of pollen grains in angiosperms?

<p>Microsporogenesis in the anther results in the formation of pollen grains. (B)</p> Signup and view all the answers

What is the primary role of the style in a flower's reproductive structure?

<p>The style guides the pollen tube towards the embryo sac for fertilization. (A)</p> Signup and view all the answers

What distinguishes staminate from carpellate imperfect flowers?

<p>Staminate flowers only possess male reproductive parts, while carpellate flowers only have female reproductive parts. (D)</p> Signup and view all the answers

How does megasporogenesis differ from microsporogenesis in angiosperms?

<p>Megasporogenesis results in the formation of megaspores that develop into ovules, whereas microsporogenesis leads to the production of microspores that become pollen grains. (A)</p> Signup and view all the answers

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