___________ are segmented stem that grows horizontally underground.

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RRB JE CBT I - (Held On: 30 May 2019 Shift 2)
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  1. Tuber 
  2. Rhizome 
  3. Sucker 
  4. Bulb 

Answer (Detailed Solution Below)

Option 2 : Rhizome 
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The correct answer is Rhizome

Key Points

  • Rhizome is a type of plant stem that grows horizontally underground.
  • It is capable of producing the shoot and root systems of a new plant.
  • Common examples of plants with rhizomes include ginger, turmeric, and bamboo.
  • Rhizomes allow plants to survive in unfavorable conditions by storing nutrients and energy.
  • Unlike tubers, rhizomes are segmented and can propagate vegetatively.

Additional Information

  • Tubers are thickened portions of underground stems that store nutrients, such as potatoes.
  • Suckers are new shoots that grow from the base of a plant or from its roots, such as in bananas.
  • Bulbs are underground storage organs composed of layered leaves, such as onions and tulips.
  • Rhizomes play a crucial role in the asexual reproduction of plants, allowing them to spread and colonize new areas.
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