MCQ
Spirogyra belongs to the class:
- ARhodophyceae
- BCyanophyceae
- CXanthophyceae
- DChlorophyceae
Explanation:
The members of Chlorophyceae are commonly called green algae.
The plant body may be unicellular, colonial, or filamentous
Some commonly found green algae are Chlamydomonas, Volvox, Ulothrix, Spirogyra and Chara.
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Reason : Anti-diuretic hormone $(ADH)$ is secreted by the posterior lobe of pituitary gland.