Biology

Plant Biology and Classification

1,473 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

Multiple choice

The last member of a species is called a/an...

  1. Fanalias

  2. Qed

  3. Endling

  4. Naidilcue
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

An endling is a term used to describe the last known individual of a species. Once this individual dies, the species becomes extinct.

Multiple choice evs seeds and seeds interdependencies among organisms hunting plant interdependence between plants and animals

Litmus is obtained from

  1. Lichen

  2. Algae

  3. Fungi

  4. Protozoa
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Litmus, was formerly prepared only in Holland, but at present is manufactured from various lichens in Italy, France and Britain. A peculiar blue coloring matter obtained from Roccella tinctoria, Acharius, and other lichens. Roccella tinctoria, or Orchilla weed, is a small, dry lichen, with a rounded, glaucous, nearly erect thallus, forked and subdivided into numerous branchy, roundish, gray, yellowish, or brownish threads; the apothecia are scattered, red and elevated; the disks are flat, caesius, pruinose, and as broad as the border.

Multiple choice evs seeds and seeds interdependencies among organisms hunting plant interdependence between plants and animals

In perfumery, the lichen species used are 

  1. Caledonia

  2. Evermia

  3. Snead

  4. Parmelia
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In perfumery, two species of lichen are used, namely Evernia prunastri and Pseudevernia furfuracea. These are commonly called as oakmoss and treemoss respectively. Evernia prunastri is found on oak trees. 

Thus, the correct answer is 'Evernia.'

Multiple choice evs seeds and seeds interdependencies among organisms hunting plant interdependence between plants and animals

Which of the following is an example of crustose lichen?

  1. Parmelia

  2. Cladonia

  3. Usnea

  4. Graphis
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Crustose lichen forms a thin crust growing on or in the substrate, and which cannot be detached from it. They may be areolate (divided into islands by cracks in the thallus). An upper cortex protects the algal layer in the medulla beneath, and there is often a differently coloured ring of actively growing fungal hyphae round the margin (the prothallus). Graphis is a crustose lichen.

Thus, the correct answer is option D.

Multiple choice zoology why classification? classification hierarchy hierarchy of classification different types of classifications modern classification system

A taxonomic category refers to ____________.

  1. The basic unit of classification

  2. A rank or level in a taxonomic hierarchy

  3. A group of related organisms able to interbreed

  4. A group of related organisms but unable to interbreed freely
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Each category is referred to as a unit of classification or rank and is commonly called taxon. A taxon is a general term for grouping in a systematic classification. A taxon refers to a group of similar and genetically related individuals having certain characters different from other groups.
Correct answer is option B.

Multiple choice zoology why classification? classification hierarchy hierarchy of classification different types of classifications modern classification system

In a taxonomic hierarchy, genus is interpolated between ______________.

  1. Kingdom and Class

  2. Phylum and Order

  3. Order and Species

  4. Family and Species
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In biological classification, the taxonomic rank genus is the relative level of a group of genus-group names and species-group names. Therefore, the genus is interpolated between family and species.

So, The correct answer is D.

Multiple choice zoology why classification? classification hierarchy hierarchy of classification different types of classifications modern classification system

In a taxonomic hierarchy, family is interpolated between ________________.

  1. Kingdom and Class

  2. Class and Order

  3. Order and Genus

  4. Class and Genus
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
In biological classification, the taxonomic rank family is the relative level of a group of order-group names and genus-group names. Therefore, the family is interpolated between order and genus.
So, The correct answer is C.
Multiple choice zoology why classification? classification hierarchy hierarchy of classification different types of classifications modern classification system

Select the incorrect statement out of the following.

  1. All animals belonging to various phyla are assigned to the Kingdom Animalia

  2. As we go higher from species to kingdom, number of common characteristics goes on increasing

  3. Different classes comprising fish, amphibians, reptiles, birds and mammals together constitute the Phylum Chordata

  4. Plant order Polymoniales includes the families like Solanaceae and Convolvulaceae based on the vegetative and floral characters
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Correct answer is B.
As we go higher form species to kingdom, number of common characteristics goes on decreasing.

Multiple choice zoology why classification? classification hierarchy hierarchy of classification different types of classifications modern classification system

Linnaeus wrote artificial classification of plants in his book. What is the name of his book?

  1. Species plantarum

  2. Systema naturae

  3. Genera plantarum

  4. Origin of species
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Linnaeus published his work on plant classification, specifically the sexual system of classification, in 'Species Plantarum' in 1753.

Multiple choice zoology why classification? classification hierarchy hierarchy of classification different types of classifications modern classification system

The general Agave and Yucca were once placed in two different families, Amaryllidaceous and Liliaceous respectively. However, now both these genera are transferred to the family Agavaceae because of their similarity in.

  1. Anatomy

  2. Pollen

  3. Geographical distribution

  4. Karyotypes
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Agave and Yucca were moved to Agavaceae primarily due to their anatomical similarities, specifically in their vascular structure and leaf morphology.