Biology Chapter on Reproduction and Development
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Questions and Answers

What is a key characteristic of asexual reproduction?

  • Offspring are genetically distinct from the parent.
  • It requires male and female gametes.
  • Offspring are clones of the parent. (correct)
  • It involves the fertilization of gametes.

    • Which process describes the division of a single cell into two equal cells?

  • Binary Fission (correct)
  • Vegetative Propagation
  • Fragmentation
  • Budding

    • In which type of reproduction does fertilization occur?

  • Fragmentation
  • Binary Fission
  • Asexual Reproduction
  • Sexual Reproduction (correct)

    • What is the result of the fertilization process?

    <p>Formation of a zygote</p> Signup and view all the answers

    Which method of asexual reproduction involves an organism breaking into pieces?

    <p>Fragmentation</p> Signup and view all the answers

    What process involves the production of gametes in animals?

    <p>Meiosis</p> Signup and view all the answers

    How do organisms respond to stimuli?

    <p>By detecting and reacting to environmental changes</p> Signup and view all the answers

    Which of the following is a method of vegetative propagation?

    <p>Production of runners in strawberries</p> Signup and view all the answers

    What process allows a cell to divide and produce two identical daughter cells?

    <p>Mitosis</p> Signup and view all the answers

    What is a key characteristic that distinguishes unicellular organisms from multicellular organisms?

    <p>Unicellular organisms consist of a single cell.</p> Signup and view all the answers

    What is the term for the overall increase in size and mass of an organism?

    <p>Organismal Growth</p> Signup and view all the answers

    Which of the following best describes differentiation in the context of development?

    <p>Cells becoming specialized for specific functions</p> Signup and view all the answers

    Which of the following examples best represents a unicellular organism?

    <p>A bacteria</p> Signup and view all the answers

    What describes the process by which cells and tissues arrange themselves into specific structures during development?

    <p>Morphogenesis</p> Signup and view all the answers

    What advantage does multicellular organization provide to organisms?

    <p>Specialization of cells for efficiency.</p> Signup and view all the answers

    How does biology contribute to informed decision-making in everyday life?

    <p>By helping understand human actions' impact on the planet.</p> Signup and view all the answers

    In which type of growth do different parts of the body grow at different rates?

    <p>Allometric Growth</p> Signup and view all the answers

    What process describes the series of progressive changes an organism undergoes from conception to maturity?

    <p>Development</p> Signup and view all the answers

    What type of cellular organization do protozoa exhibit?

    <p>They are unicellular eukaryotic organisms.</p> Signup and view all the answers

    Which life stage is characterized by substantial growth between the zygote and the adult form?

    <p>Juvenile</p> Signup and view all the answers

    What fundamental trait distinguishes all living organisms from non-living matter?

    <p>Cellular organization.</p> Signup and view all the answers

    What is a key aspect of reproduction in multicellular organisms?

    <p>It enables genetic continuity and evolution.</p> Signup and view all the answers

    Which statement about algae is correct?

    <p>Some algae can photosynthesize and are unicellular.</p> Signup and view all the answers

    What role does understanding evolution play in biology?

    <p>It promotes a connection with other life forms.</p> Signup and view all the answers

    What is the primary function of xylem in plants?

    <p>Transport nutrients from roots to leaves</p> Signup and view all the answers

    Which type of cell is mainly responsible for transmitting signals in animals?

    <p>Nerve cells</p> Signup and view all the answers

    Which of the following best describes catabolism?

    <p>Breaking down complex molecules releasing energy</p> Signup and view all the answers

    What is the basic unit of life according to cellular organization?

    <p>Cell</p> Signup and view all the answers

    Which aspect of development involves an increase in cell number?

    <p>Cellular growth</p> Signup and view all the answers

    What is the characteristic of fungi that distinguishes it from plants and animals?

    <p>Cell wall made of chitin</p> Signup and view all the answers

    Which of the following describes an organism in terms of cellular organization?

    <p>Multiple organ systems working together</p> Signup and view all the answers

    Anabolism is primarily responsible for which of the following processes?

    <p>Building complex molecules from simpler ones</p> Signup and view all the answers

    What type of stimuli do plants respond to by growing toward light?

    <p>Physical Stimuli</p> Signup and view all the answers

    Which of the following best describes the role of sensory receptors in response to stimuli?

    <p>To detect stimuli and transmit sensory information</p> Signup and view all the answers

    Which mechanism is responsible for processing sensory information in animals?

    <p>Nervous system</p> Signup and view all the answers

    Which of the following is an example of a biological stimulus?

    <p>Pheromones in social insects</p> Signup and view all the answers

    What is the function of motor neurons in the response process?

    <p>To relay signals from the central nervous system to effectors</p> Signup and view all the answers

    How do hormonal responses differ from nervous system responses?

    <p>Hormonal responses involve chemical messengers in the bloodstream</p> Signup and view all the answers

    What characterizes immediate responses to stimuli?

    <p>They occur quickly without conscious thought</p> Signup and view all the answers

    Which type of stimuli would cause a withdrawal reflex from a hot surface?

    <p>Physical Stimuli</p> Signup and view all the answers

    What does biological science primarily study?

    <p>The study of life and living organisms</p> Signup and view all the answers

    Which of the following is NOT a subfield of biological science?

    <p>Astronomy</p> Signup and view all the answers

    How does biology contribute to medical advancements?

    <p>It aids in the development of treatments and vaccines</p> Signup and view all the answers

    What is a major impact of biological science on environmental conservation?

    <p>Protection of endangered species</p> Signup and view all the answers

    Which of these roles does biology play in agriculture?

    <p>Improving crop yields and pest control</p> Signup and view all the answers

    What is the significance of understanding life processes through biology?

    <p>It provides insight into how organisms grow and interact</p> Signup and view all the answers

    Biotechnology is a field that emerges from biological science. What does it primarily focus on?

    <p>Genetic engineering and synthetic biology</p> Signup and view all the answers

    Why is biology crucial for understanding climate change?

    <p>It provides knowledge about species interactions and ecosystems.</p> Signup and view all the answers

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