Biology
Plant Biology and Classification
1,796 Questions
Plant Biology and Classification deals with the taxonomy, evolution, and morphological features of the plant kingdom. This collection offers practice questions on plant groups, taxonomic hierarchies, and specific plant characteristics. The questions are tailored for students preparing for biology competitive exams.
Plant taxonomyPteridophytesAngiospermsPlant morphologyAlgae and bryophytesClassification systems
Plant Biology and Classification Questions
A
Correct answer
Explanation
In the Linnaean classification system, the hierarchy goes from Domain, Kingdom, Phylum, Class, Order, Family, Genus, to Species. Therefore, Genus is a higher, more inclusive rank than Species.
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Domain
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Class
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Kingdom
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Family
A
Correct answer
Explanation
The domain is the highest taxonomic rank in the biological classification system. It is broader than kingdom, class, or family.
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Class
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Domain
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Biodiversity
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Food Web
A
Correct answer
Explanation
In biological classification, a class is a rank that groups together similar orders. The hierarchy is Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species.
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Greek
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medium
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Scientific name
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classifcation
C
Correct answer
Explanation
Scientific names of plants are in Latin, providing a universal naming system that avoids confusion from local or common names. This binomial nomenclature was developed by Linnaeus.
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botany
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olericulture
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hort
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none
A
Correct answer
Explanation
Botany is the scientific study of plants, encompassing their structure (anatomy), function (physiology), classification (taxonomy), and relationships with the environment. Note: 'physlolgy' is a typo for physiology.
A
Correct answer
Explanation
Plants are generally classified into these four major groups based on their reproductive structures and vascular systems.
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seed vascular plants
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non vacular plants
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flowering plants
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seedles vascular plants
D
Correct answer
Explanation
Ferns, club mosses, and horsetails are seedless vascular plants. They have vascular tissue for transport (unlike mosses) but reproduce using spores rather than seeds (unlike conifers and flowering plants). They were dominant plants in the Carboniferous period.
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Because they reproduce asexually
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Because they do not have chloroplast
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Because the cannot photosynthesized
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Because they do not have a vascular system
D
Correct answer
Explanation
Liverworts are nonvascular plants; the lack of a vascular system limits their ability to transport water and nutrients, restricting their size.
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chloroplasts
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chlorophyll
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xylem
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leaves
C
Correct answer
Explanation
Hornworts are non-vascular plants, meaning they lack specialized tissues like xylem and phloem for transporting water and nutrients. They do possess chloroplasts and chlorophyll for photosynthesis.
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vascular plants
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flowering plants
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non vascular plants
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seed plants
C
Correct answer
Explanation
Liverworts and mosses belong to the group of bryophytes, which are characterized as non-vascular plants because they lack true vascular tissue.
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perennial
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biennial
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annual
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dicot
C
Correct answer
Explanation
Annual plants complete their entire life cycle, from germination to seed production and death, within a single growing season or year.
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Gnetophyta
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Cycadophyta
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Gingkophyta
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Coniferophyta
C
Correct answer
Explanation
The division Ginkgophyta contains only one extant species, Ginkgo biloba, making it a living fossil.
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horsetails
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ferns
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club mosses
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all of these
D
Correct answer
Explanation
Horsetails, ferns, and club mosses are all examples of seedless vascular plants, which possess xylem and phloem but reproduce via spores.
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lycophytes
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pterophytes
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arthrophytes
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bryophytes
C
Correct answer
Explanation
Horsetails belong to the division Equisetophyta, which is also commonly referred to as Arthrophyta due to their jointed stems.
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Biological compound
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Organic compound
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Aromatic Compound
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Distillery compound
B
Correct answer
Explanation
Organic compounds are defined as compounds containing carbon-hydrogen bonds, which are the basis of all biological life.