Characteristics of Living Organisms
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Questions and Answers

Which type of cells do not contain a nucleus and membrane-bound organelles?

  • Archaeal cells
  • Mitochondrial cells
  • Bacterial cells (correct)
  • Eukaryotic cells

    • What distinguishes eukaryotic cells from prokaryotic cells in terms of reproduction?

  • Eukaryotic cells lack the ability to divide.
  • Prokaryotic cells reproduce sexually or asexually. (correct)
  • Prokaryotic cells reproduce using mitosis exclusively.
  • Eukaryotic cells reproduce through binary fission only.

    • Which of the following cellular components is responsible for making energy through cellular respiration?

  • Golgi apparatus
  • Endoplasmic reticulum
  • Ribosome
  • Mitochondria (correct)

    • What is the primary function of lysosomes in animal cells?

    <p>Waste digestion</p> Signup and view all the answers

    Which organelle is responsible for photosynthesis in plant cells?

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

    In which cellular process is glucose used to produce ATP, carbon dioxide, and water?

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

    Which of the following is NOT a characteristic of living organisms?

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

    What is the basic unit of organization for living organisms?

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

    Which of the following is NOT a stage in the life cycle of an organism?

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

    What process allows living organisms to maintain a balanced internal environment?

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

    How do living organisms obtain energy?

    <p>By breaking down food</p> Signup and view all the answers

    Which of the following is a characteristic that distinguishes living organisms from non-living things?

    <p>All of the above</p> Signup and view all the answers

    What is the main difference between aerobic and anaerobic cellular respiration?

    <p>The amount of ATP formed</p> Signup and view all the answers

    Which of the following is not a function of the cytoplasm?

    <p>Transcription of DNA</p> Signup and view all the answers

    Which organelle is responsible for constructing ribosomes?

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

    Which of the following statements about mitochondria is incorrect?

    <p>Mitochondria reproduce by meiosis</p> Signup and view all the answers

    What is the primary function of the Golgi body?

    <p>Folding, packaging, and shipping of macromolecules</p> Signup and view all the answers

    Which of the following is not a type of RNA found in the nucleus?

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

    Which of the following is NOT one of the four types of metamorphosis mentioned in the text?

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

    Which stage is the defining characteristic of complete metamorphosis?

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

    Which of the following organisms does NOT undergo metamorphosis according to the text?

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

    What is the primary function of negative feedback loops in maintaining homeostasis?

    <p>To change a condition so that it returns to its normal state</p> Signup and view all the answers

    According to the classical cell theory, which of the following statements is FALSE?

    <p>Cells can spontaneously generate from non-living matter</p> Signup and view all the answers

    Which of the following is an example of a condition that is maintained at a homeostatic level in the human body?

    <p>Blood volume</p> Signup and view all the answers

    What is the main function of mitochondria mentioned in the text?

    <p>Production of adenosine triphosphate (ATP)</p> Signup and view all the answers

    Which structure in mitochondria plays a crucial role in ATP production?

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

    What term describes the function where mitochondria release cytochrome C to initiate cell death?

    <p>Apoptosis regulation</p> Signup and view all the answers

    How does the cell membrane contribute to maintaining homeostasis?

    <p>Allowing specific concentrations of ions</p> Signup and view all the answers

    Which statement about unicellular organisms is accurate based on the text?

    <p>They have a single cell that carries out all life processes.</p> Signup and view all the answers

    What differentiates protists from bacteria based on the text?

    <p>Possession of a nucleus</p> Signup and view all the answers

    What distinguishes protists from other organisms?

    <p>They have specialized structures like cilia and flagella</p> Signup and view all the answers

    Which organisms are classified as Protists?

    <p>Algae and protozoans</p> Signup and view all the answers

    What kingdom contains multicellular autotrophs that can make their own food?

    <p>Kingdom Plantae</p> Signup and view all the answers

    What distinguishes Kingdom Animalia from other kingdoms?

    <p>They are motile and lack cell walls</p> Signup and view all the answers

    What are the two main categories of biomes?

    <p>Terrestrial and aquatic</p> Signup and view all the answers

    Which biome is typically divided into chapparals, woodlands, and savannahs?

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

    What is the focus of species biodiversity?

    <p>Variation of different organisms within an ecosystem</p> Signup and view all the answers

    What is the defining characteristic of a living organism, as mentioned in the text?

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

    Which of the following is NOT a characteristic shared by all living organisms?

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

    What is the primary function of the Golgi apparatus in living cells?

    <p>Protein synthesis</p> Signup and view all the answers

    What is the main difference between unicellular and multicellular organisms?

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

    Which stage of the life cycle involves the development of an organism from an egg or seed?

    <p>Egg or seed stage</p> Signup and view all the answers

    In terms of energy production, what role does aerobic cellular respiration play in living organisms?

    <p>Production of energy with oxygen</p> Signup and view all the answers

    What distinguishes hypermetamorphosis from holometabolous metamorphosis?

    <p>Hypermetamorphosis involves multiple larval stages, while holometabolous metamorphosis involves only four stages.</p> Signup and view all the answers

    Which of the following organisms undergoes incomplete metamorphosis based on the text?

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

    How do negative feedback loops contribute to maintaining homeostasis?

    <p>By attempting to change a condition to its normal state.</p> Signup and view all the answers

    Which parameter is NOT mentioned as being maintained at homeostatic levels in the human body?

    <p>Blood clotting mechanisms</p> Signup and view all the answers

    What is a defining characteristic of complete metamorphosis in insects?

    <p>Including both larva and pupa stages</p> Signup and view all the answers

    How does homeostasis enable human life to exist?

    <p>By allowing the body to maintain internal conditions without human intervention.</p> Signup and view all the answers

    What distinguishes prokaryotic cells from eukaryotic cells in terms of genetic material?

    <p>Prokaryotic cells have linear DNA while eukaryotic cells have circular DNA.</p> Signup and view all the answers

    What is a distinguishing feature of eukaryotic cells compared to prokaryotic cells in terms of reproduction?

    <p>Eukaryotic cells reproduce asexually only, while prokaryotic cells divide using binary fission.</p> Signup and view all the answers

    Which of the following statements is NOT true regarding cellular respiration?

    <p>In anaerobic cellular respiration, oxygen is used to make ATP.</p> Signup and view all the answers

    What is the primary function of a lysosome in a cell?

    <p>Lysosomes help in the digestion and recycling of cellular waste.</p> Signup and view all the answers

    Which of the following sets of organelles is found in both plant and animal cells?

    <p>Nucleus, cell membrane, and ribosomes</p> Signup and view all the answers

    What differentiates eukaryotic cells from prokaryotic cells in terms of size and complexity?

    <p>Eukaryotic cells are larger and more complex than prokaryotic cells.</p> Signup and view all the answers

    During which process is a complementary strand of mRNA constructed in the nucleus?

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

    Which organelle in the cell is responsible for breaking down toxic materials?

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

    What is the function of cytosol in the cell?

    <p>Gel-like fluid where organelles are suspended</p> Signup and view all the answers

    What is the suspected origin of mitochondria based on its structure and replication method?

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

    Where does cellular respiration take place in aerobic cellular respiration?

    <p>Cytoplasm and mitochondria</p> Signup and view all the answers

    Which statement is true about the role of nuclei in eukaryotic cells?

    <p>The nucleolus constructs proteins.</p> Signup and view all the answers

    What is the role of the outer membrane in mitochondria?

    <p>It allows minerals and proteins to pass through</p> Signup and view all the answers

    Which of the following is NOT a function of mitochondria?

    <p>Synthesis of proteins</p> Signup and view all the answers

    What is the name of the folded inner membrane in mitochondria?

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

    Which of the following is the correct sequence of steps in the process of ATP production in mitochondria?

    <p>All three terms refer to the same process</p> Signup and view all the answers

    What is the space between the two mitochondrial membranes called?

    <p>Intermembrane space</p> Signup and view all the answers

    Which of the following statements about mitochondria is correct?

    <p>Mitochondria store genetic material in the form of mitochondrial DNA</p> Signup and view all the answers

    What is the defining characteristic of ecological biodiversity?

    <p>Variation in a given ecosystem</p> Signup and view all the answers

    Which structure in unicellular algae allows them to move and locate food?

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

    What differentiates terrestrial biomes from aquatic biomes?

    <p>Type of vegetation</p> Signup and view all the answers

    Which kingdom contains multicellular autotrophs but lacks chloroplasts?

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

    What distinguishes mixotrophs among protozoans?

    <p>Combination of autotrophic and heterotrophic nutrition</p> Signup and view all the answers

    Which characteristic is shared by both algae and protozoans?

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

    What is a distinguishing feature of the biome known as tundra?

    <p>Cold temperatures and permafrost</p> Signup and view all the answers

    Which biome is known for its high biodiversity and dense vegetation?

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

    Why are organisms in Kingdom Animalia classified as heterotrophs?

    <p>They need to eat other organisms for energy.</p> Signup and view all the answers

    What is the primary function of cilia in some protozoans?

    <p>Locomotion and food capture</p> Signup and view all the answers

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