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Reproduction in organisms — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYReproduction in organisms1 Mark
MCQ
What is rhizome?
  • ✓
    Underground stems with buds.
  • B
    Stems running above and along the ground.
  • C
    Spores.
  • D
    The result of sexual reproduction.
✓

Answer

Correct option: A.
Underground stems with buds.
Vegetative propagation or vegetative reproduction is the growth and development of the plant by asexual means.
  1. Rhizome is a vegetative plant structure which arises from the modified stem that grows horizontally along the underground or ground surface with buds.
  2. This is known as Runners. They originate from existing stem and have horizontal growth at or just below the soil surface.
  3. Spores are the agents for asexual reproduction in nonflowering plants, bacteria, fungi, and algae.
  4. Sexual reproduction is the production of gamete and fertilization.
  5. Stems with woody trunk and are underground.

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