Answer: Living plant collections.
- A Dried plant specimens
- B Living plant collections
- C Preserved animal specimens
- D Fossil records
Correct answer: B. Living plant collections
Explanation: Botanical gardens maintain collections of living plants for reference, research, and conservation, unlike a herbarium which stores dried specimens.
The taxonomic hierarchy narrows from Kingdom (broadest, covering the most organisms but fewest shared traits) down to Species (narrowest, fewest organisms but most shared traits) - every level in between is a progressively more specific subset of the one above it.
Concept context
Biodiversity, taxonomy, binomial nomenclature, the taxonomic hierarchy, and taxonomic aids like herbaria and botanical gardens. The foundational first chapter of NCERT Biology.