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.
Correct Answer :
B. Statement -1 and statement -2 are True and statement-2 is not a correct explanation for statement-1
The species is genetically distinct and reproductively isolated natural population. Sexual reproduction is absent in prokaryotes and some protists. In such cases morphological differences, cytotaxonomy and chemo-taxonomy are resorted to.
Related Questions
Which of the following taxonomic aid provides information for the identification of names of species found in an area?
Monograph
Manual
Flora
Periodical
The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for
interaction with the environment and progressive evolution.
reproduction.
growth and movement.
responsiveness to touch.
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.
Which of the following term is used to refer the number of varieties of plants and animals on earth ?
Taxonomy
Identification
Biodiversity
Classification
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
Statement 1: Information given on the label of herbarium sheets does not include family.
Statement 2: Families are characterized on the basis of reproductive features of plant species only.
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 2is false.
Both the statements are false.
In printed scientific names, only the ______ is capitalized.
class
species
genus
family
Which of the following factors exclusively affects reproduction in seasonal breeders, both plants and animals?
Water
Temperature
Photoperiod
All of these
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.
X being a higher category is the assemblage of families which exhibit a few Y characters. The Z characters are less in a number as compared to different genera included in a family. Identify X, Y, and Z.
X - Order; Y - Similar; Z - Similar
X - Genus; Y - Similar; Z - Different
X - Species; Y - Different; Z - Similar
X - Class; Y - Different; Z - Different
Cell division occurs _______ in plants and _______ in animals.
continuously, only upto a certain age
only upto a certain age, continuously
continuously, never
once, twice
Match the taxonomic categories given in column I with their feature given in column II.
| Column I | Column II |
|---|---|
| A. Taxon | I. Basic unit of classification |
| B. Species | II. A taxonomic group of any rank |
| C. Phylum | III. Division is the same category in case of plants |
| D. Genus | IV. Identified based on a number of similar characters |
| E. Order | V. Group of related species having more character in common with others species |
A - V, B - II, C - IV, D - III, E - I
A - III, B - I, C - IV, D - II, E - V
A - II, B - I, C - III, D - V, E - IV
A - III, B - II, C - IV, D - I, E - V
Which one of the following animals is correctly matched with its particular named taxonomic category ?
Tiger Tigris, the species
Cuttle fish Mollusca, a class
Humans Primata, the family
Housefly Musca, an order
Which of the following statements regarding growth is incorrect?
In animals growth is seen up to a certain age.
Increase in body mass is considered as growth.
Growth by cell division occurs continuously throughout their life span in animals.
Increase in mass and number of individuals is the characteristics feature of animal growth.
Which of the following statements regarding growth is incorrect?
In plants, growth by cell division is seen only upto a certain stage.
Growth exhibited by non-living objects is by accumulation of material on the surface.
A multicellular organism grows by cell division.
Growth in in vitro culture of unicellular organisms can be observed by counting the number of cells.
Which of the following taxonomic category of housefly is incorrectly matched?
Genus Musca
Family Muscidae
Order Primata
Class Insecta
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 of the following is less general in characters as compared to genus?
Species
Division
Class
Family
Two plants can be conclusively said to belong to the same species if they
have same number of chromosomes.
can reproduce freely with each other and form seeds.
have more than 90 per cent similar genes.
look similar and possess identical secondary metabolites.
The order generally ends with
ales
aceae
eae
none of these
Which of the following statement(s) is/are correct for Metabolsim ?
It is the sum total of all physical reactions taking place inside a living system.
All plants, animals, fungi and microbes exhibit metabolism.
Isolated metabolic reactions in-vitro are not living but are living reactions.
All of the above
Each statement in the key is called _______.
lead
catalogues
manuals
monographs
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.
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.
Two animals which are the members of the same order must also be the members of the same __________.
class
family
genus
species
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
The common characteristics between tomato and potato will be maximum at the level of their__________.
genus
family
order
division
The sum total of all the chemical reactions occurring in our body is known as
metabolism
growth
regeneration
reproduction
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 of the following taxonomical aids is being described by the given statements (i-iv) ?
(i) They generally established in educational institutes.
(ii) They have collections of preserved plant and animal specimens for study and reference.
(iii) Insects are preserved in boxes after collecting, killing and pinning.
(iv) They often have collections of skeletons of animals too.
Herbarium
Museum
Zoological parks
Botanical gardens