A piece of wood having no vessels (trachea) must belong to

Correct Answer: Option 3

Concept:

• A group of cells having similar structures and function is called tissue.
• A plant is made up of different types of tissues.
• Plant tissues are divided into two main types depending on whether the tissue can divide or not - Meristematic tissue and Permanent tissue.
• These tissue types are further divided into different types as follows:
•  

Explanation:

• VESSELS:
  • ​​​A vessel is an element of the xylem.
  • A vessel is a broad cylindrical tubular element.
  • These have perforated dissolved ends and are placed end to end to form a longitudinal series.
  • The intervening septa are absent due to dissolution.
  • The lumen in vessels is wider than that in tracheids.
  • Vessels are involved in the conduction of water and minerals.
  • Vessels are characteristic of angiosperms.
  • 

• Option 1: Teak - INCORRECT
  • Teak is an angiosperm.
  • By being an angiosperm, teaks possess vessels.
  • These are used for the conduction of water and minerals.
• Option 2: Mango - INCORRECT
  • Mango is an angiosperm.
  • By being an angiosperm, mango possesses vessels.
  • These are used for the conduction of water and minerals.
• Option 3: Pine - CORRECT
  • Pine is a gymnosperm.
  • Gymnosperms lack vessels.
• Option 4: Palm - INCORRECT
  • Palm is an angiosperm.
  • By being an angiosperm, the palm possesses vessels.
  • These are used for the conduction of water and minerals.

So the correct answer is option 3.