Couplet represents the choice made between two opposite options which results in
rejection of both the option.
acceptance of both the option.
either acceptance or rejection of both the option.
acceptance of only one and rejection of the other.
Correct Answer :
D. acceptance of only one and rejection of the other.
Couplet represents the choice made between two opposite options which results in acceptance of only one and rejection of the other.
Related Questions
If an organism is in the same class but not in the same family then it may belong to same
genus
species
variety
order
Match column I with column II and choose the correct option.
| Column-I | Column-II |
|---|---|
| A. Family | I. tuberosum |
| B. Kingdom | II. Polymoniales |
| C. Order | III. Solanum |
| D. Species | IV. Plantae |
| E. Genus | V. Solanaceae |
A IV; B III; C V; D II; E I
A V; B IV; C II; D I; E III
A IV; B V; C II; D I; E III
A V; B III; C II; D I; E IV
Which one of the following taxonomical aid is used for identification of plants and animals based on similarities and dissimilarities?
Flora
Keys
Monographs
Catalogues
Which one of the following is not a correct statement?
Botanical gardens have collection of living plants for reference.
A museum has collection of photographs of plants and animals.
Key is a taxonomic aid for identification of specimens.
Herbarium is a store house that contains dried, pressed and preserved plant specimens.
Systematics refers to the
identification and classification of plants and animals.
nomenclature and identification of plants and animals.
diversity of kinds of organisms and their relationship.
different kinds of organisms and their classification.
The taxonomic unit phylum in the classification of animals is equivalent to which hierarchial level in classification of plants ?
Class
Order
Division
Family
Refer the botanical name of wheat Triticum aestivum and identify the statement which correctly describes it.
The second word belongs to genus and starts with a small letter.
Both the words Triticum aestivum denote the specific epithet.
The first word Triticum denotes the genus which starts with a capital letter.
The first word Triticum denotes the specific epithet while the second word denotes the genus.
Which of the following statement(s) is/are correct ?
(i) All living organisms have ability to respond the environment stimuli which could be physical, chemical or biological.
(ii) Plants respond to external factors like light, water, temperature, other organisms, pollutants, etc.
(iii) Photoperiod affects the process of reproduction.
(iv) Human being is the only organism who has self consciousness.
Only (i)
Both (ii) and (iii)
Both (i) and (iv)
All of these
Which one of the taxonomic aids can give comprehensive account of complete compiled information of any one genus or family at a particular time?
Taxonomic key
Flora
Herbarium
Monograph
In majority of higher animals and plants, _____ and _____ are mutually exclusive events.
growth; nutrition
nutrition; consciousness
growth; reproduction
reproduction; consciousness
Which two points are known as the twin characteristics of growth?
(i) Increase in mass
(ii) Differentiation
(iii) Increase in number of individuals
(iv) Response to stimuli
(i) and (ii)
(i) and (iv)
(ii) and (iii)
(i) and (iii)
Statement 1 : The species is reproductively isolated natural population.
Statement 2 : Prokaryotes cannot be kept under different species on the basis of reproductive isolation.
Statement-1 and Statement-2 are True and statement-2 is a correct explanation for statement-1
Statement -1 and statement -2 are True and statement-2 is not a correct explanation for statement-1
Statement-1 is true and statement-2 is false
Both the statements are false.
Study the following statements and select the correct description of botanical garden.
(i) Plant species are grown for identification purposes.
(ii) Labeling of each plant consists of its botanical name/ scientific name and its family.
(iii) Specimens are preserved in the jars and containers.
(iv) It is a type of store house which contains dried, pressed and preserved plant specimens on sheet.
(v) Plant specimen contains a labeling of information about date and place of collection.
(i) and (ii) only
(i), (ii) and (iii) only
(ii) and (iv) only
All the five statements.
Which of the following taxonomic categories is being described by the given statements (i-iii) ?
(i) It is the basic unit of classification.
(ii) It is defined as the group of individuals which resemble in their morphological and reproductive characters and interbreed among themselves and produce fertile offsprings.
(iii) Human beings belong to the species sapiens which is grouped in the genus Homo.
Species
Genus
Order
Family
Which of the following taxonomic aid provides information for the identification of names of species found in an area?
Monograph
Manual
Flora
Periodical
Identify the correct sequence of taxonomic categories.
Species ? Genus ? Order ? Class ? Family ? Phylum/Division ? Kingdom
Species ? Genus ? Family ? Class ? Phylum/Division ? Order ? Kingdom
Species ? Genus ? Family ? Order ? Class ? Phylum/Division ? Kingdom
Species ? Genus ? Family ? Order ? Class ? Phylum/Division ? Kingdom
Which of the following is not a characteristic of life?
Reproduction
Complex chemical organization
Adaptation to environmental changes
Differentiation from cells to tissues
Genus represents
an individual plant or animal.
a collection of plants or animals.
group of closely related species of plants or animals.
none of the above.
The famous botanical garden Kew is located in
England
Lucknow
Berlin
Australia
ICBN stands for
International Code of Botanical Nomenclature
International Congress of Biological Names
Indian Code of Botanical Nomenclature
Indian Congress of Biological Names
Statement 1: Flora contains the actual account of habitat and distribution of plants of a given area.
Statement 2 : Flora helps in correct identification.
Statement 1 and 2 are true and statement 2 is the correct explanation for statement 1.
Statement 1 and 2 are true but statement 2 is not a correct explanation for statement 1.
Statement 1 is true and statement 2 is false.
Both the statements are false.
In printed scientific names, only the ______ is capitalized.
class
species
genus
family
The common characteristics between tomato and potato will be maximum at the level of their__________.
genus
family
order
division
Which of the following shows the correct example of taxonomic category - Genus?
Potato, tomato and brinjal belong to Solanum.
Monkey, gorilla and gibbon placed in Mammalia.
Solanum, Petunia, and Datura placed in Solanacea.
Mangifera indica, Solanum tuberosum, and Panthera leo.
The most important feature of all living systems is to
utilize oxygen to generate energy.
replicate the genetic information.
produce gametes.
utilize solar energy for metabolic activities.
Which of the following statement(s) is/are correct ?
(i) Classification is the providing of standardize names to the organisms such that a particular organism known by the same all over the world.
(ii) Taxonomy is the correct description of an organism and to recognition in its scientific name.
(iii) The system of naming with two components (binomial nomenclature) is proposed by Carolus Linneaus.
(iv) Zoological names are based on International Code for Zoological Nomenclature (ICZN).
Only (i)
Both (iii) and (iv)
Only (iv)
All of these
Which of the following characters given below displays the description of lowest taxonomic category of the organisms of plant and animal kingdom?
It includes one or more than one order.
It is a group containing one or more families.
It is a group of related individuals that resemble one another.
It is a group of organisms that are closely related and share similar characteristics.
Which of the following is the only taxonomic categories that has a real existence?
Phylum
Species
Genus
Kingdom
Taxa differs from taxon due to being
a higher taxonomic category than taxon.
lower taxonomic category than taxon.
the plural of taxon.
the singular of taxon.
In angiosperm, characters of flowers are used in classification because
flowers are attractive.
flowers are large.
character of flowers are conserved.
none of the above.