Std 7 Science Chapter 4

16 Questions | Total Attempts: 85

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Std 7 Science Chapter 4

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Questions and Answers
  • 1. 
    Which of the following in insectivorous?
    • A. 

      Mushroom

    • B. 

      Cuscuta

    • C. 

      Nepenthes

    • D. 

      Option 4

  • 2. 
    Which parts of the leaf control the rate of loss water to the air?
    • A. 

      Midrib

    • B. 

      Stomata

    • C. 

      Vascular bundle

    • D. 

      Option 4

  • 3. 
    Which of the following is a nutrient?
    • A. 

      Protein

    • B. 

      Vitamins

    • C. 

      All of these

    • D. 

      Option 4

  • 4. 
    Human being can be categorised as
    • A. 

      Heterotrophs

    • B. 

      Autotrophs

    • C. 

      Parasites

    • D. 

      Option 4

  • 5. 
    The food making process in plant is called as----
    • A. 

      Glycolysis

    • B. 

      Chemosynthesis

    • C. 

      Photosynthesis

    • D. 

      Option 4

  • 6. 
    Which parts of the plant is called it's food factory
    • A. 

      Fruits

    • B. 

      Leaves

    • C. 

      Flowers

    • D. 

      Option 4

  • 7. 
    Green pigment present in the leaves is called----
    • A. 

      Hemoglobin 

    • B. 

      Globulin

    • C. 

      Chlorophyll

    • D. 

      Option 4

  • 8. 
    The raw materials for photosynthesis are
    • A. 

      CO2

    • B. 

      O2 water

    • C. 

      N2 water

    • D. 

      Option 4

  • 9. 
    Which one of the following is a parasite
    • A. 

      Lichen

    • B. 

      Cuscuta

    • C. 

      Rhizobium

    • D. 

      Option 4

  • 10. 
    ------does not have organs like hand and mouth
    • A. 

      Amoeba

    • B. 

      Frog

    • C. 

      Cow

    • D. 

      Option 4

  • 11. 
    Leaves are the food factory. Of plant.
    • A. 

      True

    • B. 

      False

  • 12. 
    Food is essential for all living organism
    • A. 

      True

    • B. 

      False

  • 13. 
    Water come into leaves through stomata in the form of vapour
    • A. 

      True

    • B. 

      False

  • 14. 
    Algae are saprotrophs
    • A. 

      True

    • B. 

      False

  • 15. 
    Cuscuta is a parasite
    • A. 

      True

    • B. 

      False

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