Families are characterized on which of the following features of plant species?
External morphology
Anatomy of parts
Vegetative and reproductive parts
Seasonal similarities and variations
Correct Answer :
C. Vegetative and reproductive parts
A family is a subdivision of an order consisting of a group of related genera which in turn are composed of groups of related species. Families are characterized on the basis of vegetative and reproductive parts of the plants species.
Related Questions
Which of the following statements is incorrect?
The scientific name for humans is Homo sapiens.
Organisms placed in the same genus are least closely related.
Moving from species to kingdom, more different species are included in each higher category.
Species that are in the same genus share very specific characteristics.
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.
Keys are generally _______ in nature.
physical
chemical
analytical
qualitative
Match column-I with column-II and choose the correct combination from the options given below.
| Column-I | Column-II |
|---|---|
| A. National Botanical | I. Carolus Linneaus Research Institute |
| B. Indian Botanical | II. Taxon Garden |
| C. Binomial | III. Howrah (India) Nomenclature |
| D. A unit of | IV. Lucknow classification |
A III; B IV; C I; D II
A IV; B III; C I; D II
A IV; B III; C II; D I
A IV; B I; C III; D II
The fungi, the filamentous algae, the protonema of mosses, all easily multiply by _____.
budding
fission
regeneration
fragmentation
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.
Which of the following statement(s) is/are correct?
Only living organisms grow.
Plants grow only up to a certain age.
The growth in living organisms is from inside.
All of the above
Herbarium is a
garden where medicinal plants are grown.
garden where herbaceous plants are grown.
dry garden.
chemical to kill plants.
Which of the following taxonomic aid provides information for the identification of names of species found in an area?
Monograph
Manual
Flora
Periodical
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)
In majority of higher animals and plants, _____ and _____ are mutually exclusive events.
growth; nutrition
nutrition; consciousness
growth; reproduction
reproduction; consciousness
The order generally ends with
ales
aceae
eae
none of these
Which of the following statements are not correct ?
(i) Lower the taxon, more are the characteristics that the members within the taxon share.
(ii) Order is the assemblage of genera which exhibit a few similar characters.
(iii) Cat and dog are included in the same family Felidae.
(iv) Binomial nomenclature was introduced by Carolus Linnaeus.
(i), (ii) and (iii)
(ii), (iii) and (iv)
(i) and (iv)
(ii) and (iii)
Each category of taxonomic hierarchy refers to as a unit of ______.
systematic
identification
nomenclature
classification
Which of the following term is used to refer the number of varieties of plants and animals on earth ?
Taxonomy
Identification
Biodiversity
Classification
Which of the following aspects is an exclusive characteristic of living things ?
Isolated metabolic reactions occur in vitro.
Increase in mass from inside only.
Perception of events happening in the environment and their memory.
Increase in mass by accumulation of material both on surface as well as internally.
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.
Which of the following organisms is not correctly matched with its particular ?
Human beings Sapiens, species
Lion Panthera, genus
Cats Felidae, genus
Datura Solanaceae, family
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.
Binomial nomenclature means
one name given by two scientists.
one scientific name consisting of a generic and specific epithet.
two names, one latinized, other of a person.
two names of same plant.
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.
Which of the following statements are correct?
(i) Genus comprises a group of related species.
(ii) Taxon represents a taxonomic group of individual organisms.
(iii) Family comprises a group of related genera.
(iv) Taxonomic category class includes related orders.
(i), (ii), and (iv)
(ii) and (iv)
(i), (iii) and (iv)
(ii), (iii) and (iv)
The sum total of all the chemical reactions occurring in our body is known as
metabolism
growth
regeneration
reproduction
Which of the following is less general in characters as compared to genus?
Species
Division
Class
Family
Which one of the following taxonomical aid is used for identification of plants and animals based on similarities and dissimilarities?
Flora
Keys
Monographs
Catalogues
Statement 1 : Taxon and category are different things.
Statement 2 : Category shows hierarchical classification.
Statement- 1 and statement-2 are true and statement-2 is a correct explanation for statement -1
Statement -1 and Statement -2 are true; statement-2 is not a correct explanation for statement - 1
Statement - 1 is true and statement- 2 is false
Both the statements are false.
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 statements regarding nomenclature is correct?
Generic name always begins with capital letter whereas specific name with small letter.
Scientific name should be printed in italics.
Scientific name when typed or handwritten should be underlined.
All of the above
ICBN stands for
International Code of Botanical Nomenclature
International Congress of Biological Names
Indian Code of Botanical Nomenclature
Indian Congress of Biological Names
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.