Biosciences II Practice Exam 3

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  • 1/24 Questions
    Cnidarians, also known as

    Cnidarians, also known as "jellies" have a _________, which is a specialized cnidae containing a stinging thread.

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About This Quiz


Practice exam over topics: Plant Diversity, Invertebrates, Vertebrates, and Plant Structure.

Biosciences II Practice Exam 3 - Quiz

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  • 2. 

    Which structures are contained in the vascular tissue system of a plant?

    • Roots and axillary buds

    • Stems and leaves

    • Xylem and phloem

    • Specialized cells

    Correct Answer
    A. Xylem and phloem
    Explanation
    The correct answer is xylem and phloem. The vascular tissue system in plants is responsible for the transport of water, nutrients, and sugars throughout the plant. Xylem is responsible for the transport of water and minerals from the roots to the rest of the plant, while phloem is responsible for the transport of sugars and other organic compounds from the leaves to the rest of the plant. Therefore, xylem and phloem are the structures contained in the vascular tissue system of a plant.

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  • 3. 

    Why was the development of seed plants significant?

    • Their roots can anchor them more securely

    • The seeds were able to increase the surface area for nutrient absorption.

    • Were more sexually dominant by being heterosporous

    • Enabled plants to become more dominant producers in most terrestrial ecosystems

    Correct Answer
    A. Enabled plants to become more dominant producers in most terrestrial ecosystems
    Explanation
    The development of seed plants was significant because it enabled plants to become more dominant producers in most terrestrial ecosystems. This means that seed plants were able to outcompete other types of plants and become more successful in terms of growth and reproduction. As a result, seed plants became the dominant form of plant life on land, playing a crucial role in shaping terrestrial ecosystems.

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  • 4. 

    Which of the following is a significant aspect of a cestode (tapeworm)?

    • Lack a mouth and gastrovascular cavity.

    • Only carnivorous species of its kind.

    • Cestode is derived from Latin, meaning "wheel bearer."

    • Are free-living.

    Correct Answer
    A. Lack a mouth and gastrovascular cavity.
    Explanation
    They absorb nutrients released by digestion in the host's intestine. Absorption occurs across the tapeworm's body surface.

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  • 5. 

    Marsupials are only found in Australia, except for the Opossum which is found in North America. What term below best explains this?

    • Evolution

    • Pangea

    • Convergent evolution

    • Mass extinction

    Correct Answer
    A. Convergent evolution
    Explanation
    Convergent evolution is the best term to explain why marsupials are only found in Australia, except for the Opossum in North America. Convergent evolution refers to the process where unrelated species develop similar traits or characteristics due to adapting to similar environments or ecological niches. In this case, marsupials in Australia and the Opossum in North America have independently evolved similar reproductive and physiological traits, such as pouches for carrying their young, due to similar environmental pressures. This is an example of convergent evolution, where different species develop similar traits in response to similar selective pressures.

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  • 6. 

    Which of the following best explains why bryophyes are not found in dry habitats or conditions?

    • Their stomata are not able to get CO2 in these conditions.

    • Moisture is needed for flagellated sperm.

    • The gameotophyte stage can not occur completely.

    • Nutrients are sparse causing the plant to have a shorter life span.

    Correct Answer
    A. Moisture is needed for flagellated sperm.
    Explanation
    Bryophytes, which include mosses and liverworts, have flagellated sperm that require moisture for successful fertilization. In dry habitats or conditions, the lack of moisture makes it difficult for the sperm to swim to the egg and fertilize it. Therefore, bryophytes are not found in such environments as they are dependent on water for their reproductive processes.

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  • 7. 

    Name the phyla/phylum sponges belong to, and how they feed.

    • Cnidaria, have a single opening which serves as both the mouth and anus.

    • Ctenophora, feed with the aid of tentacles which capture prey with sticky threads

    • Echinodermata, feed by using a network of internal canals to pump water to different parts of their body

    • Calcarea/Silicea, live as suspension feeders, trapping particles that pass through the internal channels of their bodies.

    Correct Answer
    A. Calcarea/Silicea, live as suspension feeders, trapping particles that pass through the internal channels of their bodies.
    Explanation
    Water is drawn through the pores into the central cavity, the spongocel, and then flows out of the sponge through a larger opening called the osculum.

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  • 8. 

    All molluscs have a similar body plan. Name their 3 main body parts and whether they are acoelomates or coelomates.

    • Alimentary canal, exoskeleton, protonephrida... coelomates

    • Muscular foot, mantle, radula... coelomates

    • Planula, osculum, mesohyl... acoelomates

    • Spongocoel, choanocyte, gastrovascular cavity... acoelomates

    Correct Answer
    A. Muscular foot, mantle, radula... coelomates
    Explanation
    The correct answer is "Muscular foot, mantle, radula... coelomates." This is because the muscular foot, mantle, and radula are three main body parts of molluscs. The muscular foot is used for locomotion, the mantle is a fold of tissue that covers the body and secretes the shell in some species, and the radula is a specialized feeding structure. Molluscs are classified as coelomates because they have a true coelom, which is a fluid-filled body cavity surrounded by mesoderm.

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  • 9. 
    Name the two variations of a cnidarian's body plan (begin with the one on the left).  - ProProfs

    Name the two variations of a cnidarian's body plan (begin with the one on the left). 

    • Medusa, Polyp

    • Larva, Medusa

    • Polyp, Medusa

    • Coral reef, sea anemone

    Correct Answer
    A. Polyp, Medusa
    Explanation
    Cnidarians, such as jellyfish and corals, have two variations in their body plan: the polyp and the medusa. The polyp form is characterized by a cylindrical body with tentacles surrounding a central mouth, typically attached to a substrate. On the other hand, the medusa form is bell-shaped with tentacles hanging down and a mouth at the center, allowing for free-floating movement in the water. These two variations represent different stages in the cnidarian life cycle, with the polyp form usually being sessile and asexual, while the medusa form is typically free-swimming and sexual.

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  • 10. 

    How does a reptile's fertilization occur?

    • Internally

    • Externally

    Correct Answer
    A. Internally
    Explanation
    Reptiles have internal fertilization, meaning that the sperm is deposited inside the female's body, where it fertilizes the eggs. This is different from external fertilization, where the eggs are fertilized outside of the body, typically in water. Internally fertilizing allows reptiles to reproduce successfully in various environments, including on land. The male reptile transfers sperm to the female through specialized reproductive organs, ensuring that the eggs are fertilized before they are laid. This method of fertilization increases the chances of successful reproduction and offspring survival.

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  • 11. 

    Like many molluscs, arthropods have an _____ circulatory system, in which fluid called hemolymph is propelled by a heart through short arteries and then into spaces called sinuses.

    • Closed

    • Open

    Correct Answer
    A. Open
    Explanation
    Arthropods have an open circulatory system, in which fluid called hemolymph is propelled by a heart through short arteries and then into spaces called sinuses. In an open circulatory system, the hemolymph freely flows through the body cavity, bathing the organs directly. This allows for efficient exchange of nutrients and waste products between the hemolymph and the organs.

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  • 12. 
    Label the phlylogeny... starting with sponges, jellies, clams & segmented worms, then sea stars & vertebrates. - ProProfs

    Label the phlylogeny... starting with sponges, jellies, clams & segmented worms, then sea stars & vertebrates.

    • Calcarea/ Silicea, Cnidaria, Lophotrochozoa, Ecdysozoa, Deuterostomia

    • Cnidaria, Calcera/Silcea, Deuterostomia, Lophotrochozoa, Ecdysozoa

    • Calcaera/Silicea, Lophotrochozoa, Cndaria, Ecdysozoa, Deutrostomia

    • Lophotrpchozoa, Cnidaria, Ecdysozoa, Deutrostomia, Lophotrochozoa

    Correct Answer
    A. Calcarea/ Silicea, Cnidaria, Lophotrochozoa, Ecdysozoa, Deuterostomia
    Explanation
    The correct answer is Calcarea/ Silicea, Cnidaria, Lophotrochozoa, Ecdysozoa, Deuterostomia. This is the correct order of the phlylogeny starting with sponges (Calcarea/ Silicea), then moving on to jellies (Cnidaria), clams & segmented worms (Lophotrochozoa), sea stars (Ecdysozoa), and finally vertebrates (Deuterostomia).

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  • 13. 

    Characteristics of arthropods include: hard exoskeleton, fused segments and...

    • Specialized appendages

    • Better developed mandibles

    • Pentasymmetry

    • Modified appendages

    Correct Answer
    A. Specialized appendages
    Explanation
    Arthropods have specialized appendages, which are unique structures that have evolved for specific functions such as walking, feeding, sensing, or reproduction. These appendages can vary greatly in form and function across different arthropod groups. They are typically jointed and equipped with sensory organs, claws, or other adaptations that allow arthropods to perform a wide range of tasks necessary for their survival and success in various environments.

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  • 14. 

    The 3 main categories of plants are: Seedless vascular, seed plants, ___________.

    • Land plants

    • Vascular plants

    • Nonvascular plants

    • Angiosperms

    Correct Answer
    A. Nonvascular plants
    Explanation
    The given question is asking for the third main category of plants, following seedless vascular plants and seed plants. The correct answer is "Nonvascular plants." Nonvascular plants, also known as bryophytes, do not have specialized tissues for transporting water and nutrients like vascular plants do. They rely on diffusion and osmosis to obtain what they need. Examples of nonvascular plants include mosses, liverworts, and hornworts.

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  • 15. 

    Pollen is found on

    • Sporophytes

    • Megaspores

    • Zygote

    • Anthers

    Correct Answer
    A. Anthers
    Explanation
    Anthers are the male reproductive structures of flowering plants where pollen is produced. They are located at the tip of the stamen and contain pollen sacs. These sacs release pollen grains, which are the male gametes, during the process of pollination. Therefore, it is correct to say that pollen is found on anthers.

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  • 16. 

    What is the correct order of plant development?

    • Seeds, vascular plants, flowers, bryophytes

    • Bryophytes, vascular plants, seeds, flowers

    • Flowers, bryophytes, seeds, vascular plants

    • Bryophytes, seeds, vascular plants, flowers

    Correct Answer
    A. Bryophytes, vascular plants, seeds, flowers
    Explanation
    The correct order of plant development starts with bryophytes, which are non-vascular plants like mosses and liverworts. These plants do not have true roots, stems, or leaves. Next, vascular plants evolved, which include ferns and gymnosperms. Vascular plants have specialized tissues for transporting water, nutrients, and sugars. Seeds evolved later, allowing plants to reproduce and disperse more efficiently. Finally, flowers evolved in angiosperms, which are the most advanced group of plants. Flowers are reproductive structures that attract pollinators and produce seeds. Therefore, the correct order is bryophytes, vascular plants, seeds, and flowers.

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  • 17. 

    What attribute of insects can contribute to their success?

    • Tendency to spread disease

    • Their aid in pollination

    • Flight

    • Their segmented body structure

    Correct Answer
    A. Flight
    Explanation
    Flight is an attribute of insects that can contribute to their success. The ability to fly allows insects to explore and exploit different habitats, find food and mates, and escape from predators. Flight also enables them to disperse over large distances, colonize new areas, and adapt to changing environments. Additionally, flying insects have access to a wider range of food sources and can efficiently pollinate plants, which is crucial for ecosystem functioning and food production. Therefore, flight plays a significant role in the evolutionary and ecological success of insects.

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  • 18. 

    What is the difference between a New World monkey and an Old World monkey?

    • Old World monkeys lack a prehensile tail while New World monkeys have a prehensile tail

    • New World monkeys do not have a prehensile tail while Old World monkeys do

    • Only New World monkeys are diurnal, or active during the day

    • Old World monkeys originated in Africa while New World Monkeys originated in Europe.

    Correct Answer
    A. Old World monkeys lack a prehensile tail while New World monkeys have a prehensile tail
    Explanation
    Old World monkeys do not have a prehensile tail while New World monkeys have a prehensile tail. This means that New World monkeys are able to grasp and manipulate objects with their tail, while Old World monkeys do not have this ability. This distinction in tail structure is one of the key differences between these two groups of monkeys.

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  • 19. 

    Found in amphibians, ____________ is the retention of larval features in sexually mature adults.

    • Diapsid

    • Allantois

    • Metamorphosis

    • Paedomorphosis

    Correct Answer
    A. Paedomorphosis
    Explanation
    Paedomorphosis is the correct answer because it refers to the retention of larval features in sexually mature adults, which is commonly found in amphibians. This phenomenon allows the adults to retain characteristics such as gills, tail, and other juvenile traits, even after reaching sexual maturity. This adaptation is advantageous in certain environments and can provide benefits such as enhanced swimming abilities or increased survival rates.

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  • 20. 

    Which of the following is NOT a characteristic of mammals?

    • Hair

    • Mammary glands

    • Can lay eggs

    • Do not undergo complete metamorphosis

    • Embryonic development can occur within a maternal pouch

    Correct Answer
    A. Do not undergo complete metamorphosis
    Explanation
    Remember, monotremes such as the Platypus can lay eggs!

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  • 21. 

    Which is not an example of a Eutherian?

    • Kangaroo

    • Lemur

    • Loris

    • Anthropoids

    • Tarsiers

    Correct Answer
    A. Kangaroo
    Explanation
    Remember, anthropoids are monkeys and apes.

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  • 22. 

    Knowing that angiosperms have two separate male (stamens) and female (carpels) structures used in reproduction, it can be inferred that they...

    • Have a better chance and reproducing with 2 different structures

    • Cannot self-fertilize

    • Reproduce the fastest

    • Are the most recent type of plant

    Correct Answer
    A. Cannot self-fertilize
    Explanation
    Angiosperms having separate male (stamens) and female (carpels) structures implies that they cannot self-fertilize. Since the male and female reproductive structures are distinct, angiosperms rely on cross-fertilization between different individuals for successful reproduction. This prevents self-fertilization and promotes genetic diversity within the species. Therefore, the statement "Cannot self-fertilize" is a logical inference based on the given information about the reproductive structures of angiosperms.

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  • 23. 

    Which of the following are derived traits of plants? You may check more than one.

    • Multicellular dependent embryos

    • Gametangia (male or female)

    • Apical meristem

    • Photosynthesis

    Correct Answer(s)
    A. Multicellular dependent embryos
    A. Gametangia (male or female)
    A. Apical meristem
    Explanation
    Multicellular dependent embryos, gametangia (male or female), and apical meristem are all derived traits of plants. Multicellular dependent embryos refer to the stage in the plant life cycle where the embryo is protected and nourished within the parent plant. Gametangia are specialized structures that produce gametes (male or female) for sexual reproduction. Apical meristem is a region of actively dividing cells at the tips of roots and shoots, responsible for the growth and development of plants. These traits are unique to plants and have evolved over time.

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  • 24. 

    The Plant Kingdom contains...(Check all that apply.)

    • Red algae

    • Chlorophytes

    • Charphyceans

    • Embroyocetes

    Correct Answer(s)
    A. Red algae
    A. Chlorophytes
    A. Charphyceans
    A. Embroyocetes
    Explanation
    The Plant Kingdom contains red algae, chlorophytes, charophyceans, and embryocetes. These are all types of plants that belong to different groups within the plant kingdom. Red algae are a type of algae that are typically found in marine environments. Chlorophytes are green algae that can be found in various habitats including freshwater and marine environments. Charophyceans are a group of green algae that are closely related to land plants. Embryocetes are a group of plants that produce embryos, which is a characteristic feature of land plants.

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    Quiz Edited by
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  • Nov 02, 2009
    Quiz Created by
    Earaujo

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