alleryWhy are flowers or fruits sometimes pickled in formaldehyde for a herbarium?
ATo keep 3D structure
BTo brighten its colour
CTo speed up drying
DTo make it edible
Answer & Solution
Correct answer: A. To keep 3D structure
1. Some parts are too bulky to flatten.
2. Pickling in formaldehyde preserves their three-dimensional structure.
3. It is not meant to brighten, dry or make them edible.
_Source: Wikipedia, Herbarium, Specimen preservation_
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