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 botany know the plant world closely nutrition and its types types of nutrition in plants different modes of nutrition in plants

Monotropa is a

  1. Saprophyte

  2. Symbiont

  3. Parasite

  4. Insectivorous plant
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
Monotropa is a Saprophyte.

Monotropa uniflora (Indian pipe) is a small, low-lying wild flower. It lacks chlorophyll accounting for its translucent white colour. Because it cannot synthesise its own energy, this plant is saprophyte.
Multiple choice botany know the plant world closely nutrition and its types types of nutrition in plants different modes of nutrition in plants

A parasite living within tissue of host is 

  1. Epiphyte

  2. Endophyte

  3. Ecotophyte

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A bacteria or fungi that lives within in a plant within the intercellular spaces, tissue cavities, or vascular bundles without harming the host is called as endophytes. They often benefit the host.

So the correct option is B.

Multiple choice botany know the plant world closely nutrition and its types types of nutrition in plants different modes of nutrition in plants

Symbiotic relationship is seen in which of the following family of plants?

  1. Dal Family

  2. Daisy Family

  3. Rose Family

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

Legume family plants (Fabaceae), including pulses referred to as 'dal' in Indian languages, form well-known symbiotic relationships with nitrogen-fixing bacteria (Rhizobium) in root nodules. This mutualistic relationship provides plants with nitrogen while bacteria receive carbohydrates.

Multiple choice zoology living and non living characteristics of life attributes of living organisms signs of life biology : an introduction living world and classification

Most names in biological nomenclature of living organisms are taken from which language?

  1. Hindi

  2. Latin

  3. German

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

The original scientific names were taken from Latin and Greek languages. New names are now derived either from Latin language or are latinised. This is because Latin language is dead and therefore, it will not change in form or spellings with the passage of time.

Multiple choice zoology living and non living characteristics of life attributes of living organisms signs of life biology : an introduction living world and classification

The ascending or descending arrangement of taxonomic categories is called as.

  1. Classification

  2. Taxonomy

  3. Hierarchy

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

Hierarchy of categories is the classification of organisms in a definite sequence of categories(taxonomic categories) in a descending order starting from kingdom and reaching upto species or an ascending order from species of kingdom.

Multiple choice zoology living and non living characteristics of life attributes of living organisms signs of life biology : an introduction living world and classification

The scientific name of banyan is written as Ficus benghalensis L. Which of the following statements is correct regarding this?

  1. Letter L. signifies Latin language

  2. The name should be written reverse with benghalensis preceding Ficus

  3. Letter L. signifies the taxonomist Linnaeus

  4. Benghalensis is a generic name
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In binomial nomenclature, the first or generic word starts with a capital letter while the second word or specific epithet starts with a small letter. The name of taxonomist appears after the specific epithet, i.e., at the end of the biological name and is written in abbreviated form, e.g., Ficus benghalensis L., indicates that this species was first described by Linnaeus.

Multiple choice zoology living and non living characteristics of life attributes of living organisms signs of life biology : an introduction living world and classification

The term 'taxon' is used for __________________.

  1. The ranks of species and genus

  2. The ranks up to phylum

  3. The species epithet only

  4. Any rank of taxonomic hierarchy
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Taxon is a unit of classification which may represent any level of grouping of organisms based on certain easily observable common characteristics. Mayr $(1964)$ has defined taxon to be a taxonomic group of any rank that is sufficiently distinct to be worthy of being assigned to a definite category.

Multiple choice biology plant kingdom and the environment around us some important plants uses of plants as medicine medicinal plants

Rauwolfia serpentina belongs to family

  1. Rubiaceae

  2. Solanaceae

  3. Malvaceae

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

Rauwolfia serpentina (Indian snakeroot) belongs to the family Apocynaceae. The spelling in option D has a minor typo (Apocyanaceae instead of Apocynaceae) but is clearly the intended answer. This plant is the source of reserpine, an important alkaloid used for hypertension.

Multiple choice botany flower taxonomic description of flower technical terms related to flowers basics of leaf and flower

For the basis of classification of kingdom plantae the floral characters of higher plants are taken as a basis, because

  1. Flowers can easily preserved

  2. Show great-variety in colours and structures

  3. Reproductive parts are more conservative

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Classification of higher plants  is based on  floral characters, because floral characters are more stable and permanent.

Multiple choice zoology why classification? nomenclature in classification introduction to plant kingdom history of classification nomenclature of animals

Which nomeclature system is employed for naming plants :

  1. Vernacular

  2. Binomial

  3. Monomial

  4. Polynomial
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
Binomial nomenclature is a scientific system of nomenclature for all organisms, including plants. It assigns two names, generic name and specific epithet.
Example, Hibiscus rosa-chinensis, Mangifera indica etc
Multiple choice zoology why classification? nomenclature in classification introduction to plant kingdom history of classification nomenclature of animals

In Mangifera indica, the word Mangifera is a 

  1. Genus

  2. Species

  3. Variety

  4. Order
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
According to the binomial system of classification, each name has two components, the generic name and the specific epithet. Linnaeus introduced the binomial system of classification. The first part of the name identifies the genus to which the species belongs, the second part, the specific name or specific epithet which identifies the species within the genus. According to the binomial system of classification in Mangifera indica, the word Mangifera is a genus.
So, the correct answer is 'Genus'.
Multiple choice zoology why classification? nomenclature in classification introduction to plant kingdom history of classification nomenclature of animals

Bionomial nomenclature was first issued in:

  1. SystemaNaturae

  2. Genera Plantarum

  3. Genera Animahum

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

Carolus Linnaeus introduced the binomial nomenclature system in his seminal work, Systema Naturae, which laid the foundation for modern biological classification.