CBSE  /  Class 11  /  Biology  /  Plant Kingdom

  • 1. 
    Rhodophyceae is called red algae because of the pigment

  • Fucoxanthin
  • Phycoerythrin
  • Carotenoids
  • Chlorophyll c

  • 2. 
    Which of the followings plant material is an efficient water imbibant?

  • Agar
  • Cellulose
  • Lignin
  • Pectin

  • 3. 
    In a monoecious plant

  • Male and female sex organs are on the same individual
  • Male and female gametes are of two morphologically distinct types
  • Male and female sex organs are on different individuals
  • All the stamens are fused to form one unit

  • 4. 
    The seedless vascular plants whose sporophytes are larger than their small and independent gametophytes are

  • Pteridophytes
  • Angiosperms
  • Gymnosperms
  • None of these

  • 5. 
    Which of the following is a liverwort?

  • Sphagnum
  • Funaria
  • Marchantia
  • Polytrichum

  • 6. 
    Transgenic plants are the ones

  • Grown in artificial medium after hybridization in the field
  • Produced by a somatic embryo in artificial medium
  • Generated by introducing foreign DNA in to a cell and regenerating a plant from that cell
  • Produced after protoplast fusion in artificial medium

  • 7. 
    Which of the following plants is used extensively for the study of photosynthesis?

  • Amaranthus
  • Asparagus
  • Chlorella
  • Sunflower

  • 8. 
    Which of the following is used to grow microbes?

  • Laminaria
  • Gelidium
  • Chlorella
  • Sargassum

  • 9. 
    Isogamous condition with non-flagellated gametes is found in

  • Chlamydomonas
  • Spirogyra
  • Volvox
  • Fucus

  • 10. 
    Gymnosperms produce neither flower nor fruit because they do not possess

  • Embryo
  • Ovary
  • Ovule
  • Seed
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