Multiple choice

What type of chloroplast is present in spirogyra?

  1. Ribbon like

  2. Cup shaped

  3. Flask like

  4. Stellate
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Spirogyra has ribbon-like (spiral) chloroplasts that wind around the cell in a helical pattern. This distinctive feature gives it its name (spiro = spiral). Cup-shaped chloroplasts (B) are found in Chlamydomonas, flask-shaped (C) in some diatoms, and stellate (D) in Zygnema. The ribbon-like spiral chloroplasts are the identifying characteristic of Spirogyra.

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