Quiz  /  Transport In Plants Class 10 MCQ Questions With Answers

  • 1. 
    Shoots consists of _________ including _________ and buds, flowering stems and flower buds.

  • roots; leaves
  • stems; roots
  • stems; leaves
  • flower; leaves

  • 2. 
    What is the most abudant solute in phloem sap?

  • amino acids
  • hormones
  • sugar
  • minerals

  • 3. 
    Which statement describes the phloem transport system of plants?

  • It transports sugar and is lignified
  • It transports sugar and is not lignified
  • It transports water and is lignified

  • 4. 
    Structure of phloem consists all below, except?

  • Sieve tube element
  • Tracheids
  • Companion cell
  • Sieve plate

  • 5. 
    What is a cuticle?

  • A waxy layer of a fatty substance called cutin covering the epidermis
  • A waxy layer of a fatty substance called cutin covering the dermis
  • Part of Xylem
  • None of these

  • 6. 
    Transpiration is a part of____________?

  • Condensation
  • Sublimation
  • Evaporation
  • Precipitation

  • 7. 
    What is the effect of increasing leaf area on transpiration?

  • It increases transpiration rate
  • It decreases transpiration rate

  • 8. 
    Recall the main function of a xylem cell.

  • To transport nutrients (mainly sucrose) to different parts of a plant.
  • To make energy for the plant via photosynthesis.
  • To transport carbon dioxide to the leaves for photosynthessis.
  • To transport water to different parts of plant.

  • 9. 
    What is the form of sugar being move to companion cells?

  • glucose
  • maltose
  • sucrose
  • starch

  • 10. 
    The three main functions of roots in a plant are:

  • To connect to other plants nearby
  • To anchor the plant in the ground.
  • To store food when necessary.
  • Both A & B

  • 11. 
    Which is NOT a function of roots?

  • Take in water
  • Take in nutrients
  • Anchor plant to ground
  • Make food

  • 12. 
    What is the best words to describe sugar source and sugar sink

  • Both are plants organ and act as storage
  • Sugar sink can be either roots, fruit or mature leaves and sugar source is shoots
  • Sugar source act as site for sugar production and sugar sink will store sugar
  • Companion tube carry food from a sugar source to a sugar sink

  • 13. 
    Recall what substance is used to thicken and strengthen xylem walls in woody plants.

  • Protein
  • Mineral ions
  • Lignin
  • Glucose

  • 14. 
    Which process are the phloem tubes part of?

  • Translocation
  • Transpiration

  • 15. 
    Which statement correctly identifies the substance and direction it is transported in the xylem?

  • Water, only upwards
  • Glucose, only upwards
  • Water, up and down the plant
  • Glucose, up and down the plant

  • 16. 
    Which of the following indicates the pathway of water through a plant?

  • root hair cell --> xylem --> stomata
  • stomata --> root hair cell --> xylem
  • xylem --> stomata --> root hair cell

  • 17. 
    Which process are the xylem tubes part of?

  • Translocation
  • Transpiration

  • 18. 
    Xylem tubes are made of...

  • Dead cells
  • Living cells
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