Quiz  /  Plant Morphology Class 12 MCQ Questions With Answers

  • 1. 
    Which of the follow IS NOT a leaf arrangement?

  • Alternate
  • Subopposite
  • Whorled
  • Opposite
  • Entire

  • 2. 
    What is the main vein that runs down the middle of the leaf called?

  • midrib
  • vein
  • Both A & B
  • None of these

  • 3. 
    A leaf margin that DOES NOT contain teeth is called ______________.

  • entire
  • serrate
  • lobed
  • None of these

  • 4. 
    The apex is located at the ____________ of the leaf blade whereas the base is located at the ____________.

  • top, bottom
  • bottom, top
  • center, bottom
  • center, top

  • 5. 
    The petiole connects the stem to the ____________.

  • Leaf Blade
  • Root
  • Margin
  • Base

  • 6. 
    Alternate type of phyllotaxy is observed in which of the following ?

  • Calotropis
  • Guava
  • Alstonia
  • China rose

  • 7. 
    In mango the inner hard seed covering is known as the

  • Mesocarpd
  • Mesocarp
  • Endocarp
  • Seed-carp

  • 8. 
    Which of the following is NOT a function of roots?

  • Store food
  • Absorb water
  • Anchor the plant
  • Make food

  • 9. 
    In which type of growth response does the plant grow in response to gravity?

  • Hydrotropism
  • Phototropism
  • Geotropism
  • Thigmotropism

  • 10. 
    Which part of the plant is the primary organ responsible for photosynthesis?

  • blade
  • petiole
  • leaf
  • stem

  • 11. 
    What is the job of plant's roots?

  • provide support
  • anchor it to the soil
  • protect the plant's stem
  • absorb light for photosynthesis

  • 12. 
    Which adaptation might help protect a plant from being eaten?

  • A flower that looks like a bee
  • A thorny stem
  • A waxy coating
  • Substance that attracts insects

  • 13. 
    Which type of leaf arrangement has only one leaf and bud per node?

  • alternate
  • opposite
  • simple
  • whorled

  • 14. 
    Buds are not present in the axils of which?

  • Simple leaf
  • Compound leaf
  • Leaflets of compound leaf
  • All of the Above

  • 15. 
    Guava plant has which type of leaf arrangement?

  • Simple
  • Compound
  • Alternate
  • Opposite

  • 16. 
    Which type of leaf arrangement has three or more leaves and buds per node?

  • alternate
  • leaflets
  • opposite
  • whorled

  • 17. 
    In which type of growth response does the plant's roots grow toward a water source?

  • Hydrotropism
  • Phototropism
  • Heliotropism
  • Thigmotropism

  • 18. 
    Leaves are modified into ___________ for climbing

  • Thorns
  • Fleshy
  • To catch insects
  • Tendrils

  • 19. 
    Which type of leaf occurs when the entire blade is a single undivided structure?

  • compound leaf
  • simple leaf

  • 20. 
    Plant bodies can respond to changes in their environment. How does a plant react to light?

  • The plant may grow toward the light source to get as much light as possible.
  • The plant may grow away from the light source to avoid the light.
  • The location or angle of the light source has no effect on the plant.

  • 21. 
    During which process do plants capture light energy and carbon dioxide to produce nutrients like glucose/sugar?

  • fertilization
  • reproduction
  • photosynthesis
  • cellular respiration

  • 22. 
    Some plants leaves are converted/modified to form ________ to prevent predators/herbivores from eating them?

  • Spines
  • Flowers
  • Tendrils
  • Tubers

  • 23. 
    The leaflets are attached at a common point are known as

  • Simple Leaf
  • Compound Leaf
  • Pinnately Compound Leaf
  • Palmately Compound Leaf

  • 24. 
    The outer pericarp is known as

  • Epicarp
  • Epidermis
  • Epilayer
  • Epifruit

  • 25. 
    Which item best describes the function of roots?

  • Anchor the plant & absorb water and mineral salts
  • Make food for the plant
  • Develops into a new plant
  • Transports food and water to all parts of the plant
Report Question
warning
access_time
  Time