Photosynthesis Activities and Experiments
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Questions and Answers

What is the primary function of bio-catalysts called enzymes in organisms?

  • Synthesis of complex substances
  • Facilitation of food absorption
  • Breakdown of complex substances into simpler ones (correct)
  • Excretion of waste materials

    • Which process fulfills the carbon and energy requirements of autotrophic organisms?

  • Digestion
  • Photosynthesis (correct)
  • Fermentation
  • Respiration

    • Which type of organisms depend directly or indirectly on autotrophs for survival?

  • Animals and fungi (correct)
  • Insects and worms
  • Green plants and some bacteria
  • Fish and birds

    • What are the sources of energy and materials for living organisms?

    <p>Carbon dioxide and water</p> Signup and view all the answers

    Which organisms utilize simple food material obtained from inorganic sources like carbon dioxide and water?

    <p>Green plants and some bacteria</p> Signup and view all the answers

    What is the process through which complex substances are broken down into simpler ones for organism use?

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

    What is the role of roots in photosynthesis?

    <p>Uptake of water and essential nutrients from the soil</p> Signup and view all the answers

    Which of the following elements is essential for protein synthesis in plants?

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

    How do terrestrial plants acquire water for photosynthesis?

    <p>Via the roots from the soil</p> Signup and view all the answers

    Which part of the plant is responsible for the uptake of nitrogen from the soil?

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

    In plant photosynthesis, what role does sunlight play?

    <p>It provides energy for the process</p> Signup and view all the answers

    Which of the following elements can be absorbed by plant roots from the soil to aid in photosynthesis?

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

    How does Amoeba take in food?

    <p>Using temporary finger-like extensions of the cell surface</p> Signup and view all the answers

    Which unicellular organism has cilia that move food particles to a specific spot for ingestion?

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

    What is the basic function of the alimentary canal in humans?

    <p>Absorbing nutrients from food</p> Signup and view all the answers

    Which part of the human body is responsible for storing urine before it is excreted?

    <p>Urinary bladder</p> Signup and view all the answers

    What is the main function of nephrons in the kidney?

    <p>Filtering blood to form urine</p> Signup and view all the answers

    What is the role of ureters in the excretory system?

    <p>Transporting urine from kidneys to the urinary bladder</p> Signup and view all the answers

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