Multiple choice

In which of the following plant cells or tissues chlorophyll is absent?

  1. Tracheids

  2. Medulla

  3. Pith

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Chlorophyll is only present in photosynthetic tissues that receive light. Tracheids are dead xylem cells that transport water and minerals. Medulla (pith) and pith are ground tissues for storage and structural support, located in the center of stems where light cannot reach. None of these cell types perform photosynthesis, so they all lack chlorophyll entirely.

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