Prepare for NEET with Botany-specific practice questions. Covering all major Botany chapters, this is perfect for your NEET Biology needs.
A taxonomist is studying a newly discovered organism. They find it to be eukaryotic, multicellular, heterotrophic, with chitinous cell walls and exhibiting absorptive nutrition. Based solely on these characteristics, to which of the following taxonomic groups could the organism most precisely be assigned?
Kingdom Fungi
Phylum Basidiomycota
Domain Eukarya
Class Ascomycetes
While classifying organisms, which of the following presents the biggest challenge to a strictly phylogenetic system of classification?
Convergent evolution
Horizontal gene transfer
Fossil record incompleteness
Morphological similarities in unrelated species
Consider the hierarchical categories: Family, Order, Genus, and Species. Which represents the most inclusive category followed by the most exclusive in the correct order?
Genus, Family
Family, Species
Order, Species
Species, Order
Which statement correctly explains the relationship between taxonomic categories and phylogenetic classification?
Taxonomic categories are arbitrary and have no relationship to phylogeny.
Taxonomic categories always perfectly match the branching patterns of phylogenetic trees.
Taxonomic categories ideally reflect evolutionary relationships revealed through phylogenetic analysis.
Phylogenetic analysis is used to create taxonomic categories, but they don't necessarily reflect evolutionary relationships.
Polyphyletic groups are problematic in taxonomy because they:
Include all descendants of a common ancestor.
Include the most recent common ancestor and all its descendants.
Do not include the most recent common ancestor of all members.
Represent a single evolutionary lineage.
Which of the following is not a valid reason why the morphological species concept can be problematic?
It can be difficult to distinguish between intraspecific variation and interspecific differences.
Cryptic species may be morphologically identical but reproductively isolated.
It requires detailed genetic analysis.
Morphological traits can be influenced by environmental factors leading to phenotypic plasticity.
Which of the following features is NOT characteristic of the members of the kingdom Fungi?
Heterotrophic mode of nutrition
Presence of chlorophyll a and b
Cell wall made of chitin
Reproduction by spores
Which of the following combinations of characters is unique to the phylum Chordata?
Bilateral symmetry, triploblastic, coelomate
Notochord, dorsal hollow nerve cord, pharyngeal gill slits, post-anal tail
Closed circulatory system, segmented body, jointed appendages
Radial symmetry, diploblastic, acoelomate
A museum researcher discovers an unknown arthropod specimen. Which taxonomical aid would be LEAST helpful in its initial broad classification?
Manual
Monograph
Flora
Key
Which statement BEST describes the relationship between a monograph and a flora?
A monograph is a summarized version of a flora, focusing on key species.
A flora is a collection of monographs from a specific region.
A monograph provides an in-depth study of a specific taxonomic group, while a flora documents all plant species in a given geographical area.
Both are interchangeable terms for comprehensive taxonomic treatments.
