CBSE Science Chapter 7 Quiz
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Questions and Answers

What is the main topic of CBSE Science Chapter 7 for Class 7?

  • Cell Structure
  • Chemical Reactions
  • Ecology (correct)
  • Photosynthesis

    • What is the primary role of decomposers in an ecosystem?

  • Breaking down dead organisms and organic matter (correct)
  • Predating on herbivores
  • Maintaining the oxygen levels in the atmosphere
  • Producing energy through photosynthesis

    • Which of the following is an example of an abiotic component of an ecosystem?

  • Wolves
  • Grasshoppers
  • Trees
  • Sunlight (correct)

    • What is the primary source of energy for carnivorous plants?

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

    Where are carnivorous plants commonly found?

    <p>Acidic bogs</p> Signup and view all the answers

    How many times is true carnivory believed to have evolved independently in flowering plants?

    <p>At least 12 times</p> Signup and view all the answers

    What was the title of the treatise published by Charles Darwin recognizing the significance of carnivory in plants?

    <p>Insectivorous Plants</p> Signup and view all the answers

    How many species are included in the classification of true carnivory among plants?

    <p>At least 583 species</p> Signup and view all the answers

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