Protozoa Reproduction and Structure Quiz
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Questions and Answers

What is the process called when two gametes completely fuse together in protozoa?

  • Conjugation
  • Encystment
  • Syngamy (correct)
  • Binary Fission
  • Which process involves a temporary union of two individuals of the same species?

  • Encystment
  • Syngamy
  • Binary Fission
  • Conjugation (correct)
  • During which process does a trophozoite secrete a cyst around itself?

  • Encystment (correct)
  • Conjugation
  • Metamorphosis
  • Syngamy
  • Which reproductive strategy allows protozoa to survive adverse conditions?

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

    Which of the following processes primarily contributes to genetic variation in protozoa?

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

    What vital functions are performed by a single protozoan cell?

    <p>Nutrition, reproduction, respiration, and excretion (B)</p> Signup and view all the answers

    Which structure is NOT part of the mass of protoplasm in a protozoan?

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

    How does reproduction primarily occur in protozoa?

    <p>Both binary fission and sexual reproduction (B)</p> Signup and view all the answers

    Which statement best describes the structure of protozoa?

    <p>They are single-celled organisms carrying out vital functions. (C)</p> Signup and view all the answers

    What is a significant characteristic of the cytoplasm in protozoa?

    <p>It contains organelles for various functions. (D)</p> Signup and view all the answers

    What is the primary method of asexual reproduction in protozoa?

    <p>Binary fission (B)</p> Signup and view all the answers

    Which of the following processes is NOT a type of asexual reproduction in protozoa?

    <p>Cross-fertilization (C)</p> Signup and view all the answers

    In terms of reproduction, what is schizogony?

    <p>A form of multiple fission (D)</p> Signup and view all the answers

    Which method of ingestion is associated with ciliates and flagellates?

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

    Pseudopodia are utilized by which group of protozoa for engulfing food?

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

    Flashcards

    Solid Food Ingestion

    Solid food is taken into a single-celled organism through pseudopodia, cytostome, or by diffusion.

    Pseudopodia

    Temporary extensions of the cell membrane used by some protists to engulf food.

    Cytosome

    Specialized mouth-like structure in some protists for ingesting food.

    Asexual Reproduction

    A type of reproduction in single-celled organisms where one cell divides to form two identical cells.

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    Binary Fission

    A type of asexual reproduction where the cell divides into two identical daughter cells.

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    Syngamy definition

    Complete fusion of two gametes.

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    Conjugation definition

    Temporary union of two individuals of the same species.

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    Encystement process

    Trophozoite forms a protective cyst to survive outside host.

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    Gamete

    Reproductive cells.

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    Trophozoite

    Motile, active stage of a parasite.

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    Parasitic Protozoa

    Single-celled organisms performing all life functions like nutrition, reproduction, respiration, etc.

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    One cell performing all vital functions

    A single cell carrying out all necessary life processes.

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    Protoplasm

    The entire material inside a cell.

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    Plasma membrane

    The outer boundary of a cell.

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    Nucleus

    Control center of a cell.

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