Home
Current Affairs January 2024

What is the correct answer?

4

The practical purpose of classification of living organisms is to

A. explain the origin of living organsims.

B. trace the evolution of living organsims.

C. name the living organisms.

D. facilitate identification of unknown organisms.

Correct Answer :

D. facilitate identification of unknown organisms.


Biological classification is the scientific arrangement of organisms in a hierarchial series of groups and subgroups on the basis of similarities and differences in their traits. It helps in building evolutionary pathways and in identifying new organisms.

Related Questions

What is the correct answer?

4

Which of the following statement(s) is/are not correct ?
(i) Reproduction is the production of progeny possessing features dissimilar to their parents.
(ii) The fungi, the filamentous algae, the protonema of mosses, all multiply by budding.
(iii) Many organisms like mules, sterile worker bees do not reproduce.
(iv) Reproduction is not an all-inclusive defining characteristic of living organisms.

A. Only (i)

B. Both (i) and (ii)

C. Both (ii) and (iv)

D. All of these

What is the correct answer?

4

Which of the following statement(s) is/are correct for Metabolsim ?

A. It is the sum total of all physical reactions taking place inside a living system.

B. All plants, animals, fungi and microbes exhibit metabolism.

C. Isolated metabolic reactions in-vitro are not living but are living reactions.

D. All of the above

What is the correct answer?

4

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.

A. X - Order; Y - Similar; Z - Similar

B. X - Genus; Y - Similar; Z - Different

C. X - Species; Y - Different; Z - Similar

D. X - Class; Y - Different; Z - Different

What is the correct answer?

4

Binomial nomenclature means

A. one name given by two scientists.

B. one scientific name consisting of a generic and specific epithet.

C. two names, one latinized, other of a person.

D. two names of same plant.

What is the correct answer?

4

Which one of the following animals is correctly matched with its particular named taxonomic category ?

A. Tiger Tigris, the species

B. Cuttle fish Mollusca, a class

C. Humans Primata, the family

D. Housefly Musca, an order

What is the correct answer?

4

Refer the botanical name of wheat Triticum aestivum and identify the statement which correctly describes it.

A. The second word belongs to genus and starts with a small letter.

B. Both the words Triticum aestivum denote the specific epithet.

C. The first word Triticum denotes the genus which starts with a capital letter.

D. The first word Triticum denotes the specific epithet while the second word denotes the genus.

What is the correct answer?

4

Taxon is a

A. unit of classification.

B. species.

C. highest rank of classification.

D. group of closely related organisms.

What is the correct answer?

4

Statement 1 : Taxon and category are different things.
Statement 2 : Category shows hierarchical classification.

A. Statement- 1 and statement-2 are true and statement-2 is a correct explanation for statement -1

B. Statement -1 and Statement -2 are true; statement-2 is not a correct explanation for statement - 1

C. Statement - 1 is true and statement- 2 is false

D. Both the statements are false.

What is the correct answer?

4

Statement 1 : The species is reproductively isolated natural population.
Statement 2 : Prokaryotes cannot be kept under different species on the basis of reproductive isolation.

A. Statement-1 and Statement-2 are True and statement-2 is a correct explanation for statement-1

B. Statement -1 and statement -2 are True and statement-2 is not a correct explanation for statement-1

C. Statement-1 is true and statement-2 is false

D. Both the statements are false.

What is the correct answer?

4

Match the common name given in column I with their taxonomic category family given in column II and choose the correct combination from the options given below.
Column-IColumn-II
(Common Name)(Taxonomic categoryFamily)
A. ManI. Poaceae
B. DaturaII. Anacardiaceae
C. MangoIII. Solanaceae
D. WheatIV. Hominidae

A. A IV, B III, C II, D I

B. A IV, B III, C I, D II

C. A I, B II, C III, D IV

D. A I, B III, C II, D IV

What is the correct answer?

4

Couplet represents the choice made between two opposite options which results in

A. rejection of both the option.

B. acceptance of both the option.

C. either acceptance or rejection of both the option.

D. acceptance of only one and rejection of the other.

What is the correct answer?

4

Which of the following statements regarding growth is incorrect?

A. In plants, growth by cell division is seen only upto a certain stage.

B. Growth exhibited by non-living objects is by accumulation of material on the surface.

C. A multicellular organism grows by cell division.

D. Growth in in vitro culture of unicellular organisms can be observed by counting the number of cells.

What is the correct answer?

4

Statement 1: Flora contains the actual account of habitat and distribution of plants of a given area.
Statement 2 : Flora helps in correct identification.

A. Statement 1 and 2 are true and statement 2 is the correct explanation for statement 1.

B. Statement 1 and 2 are true but statement 2 is not a correct explanation for statement 1.

C. Statement 1 is true and statement 2 is false.

D. Both the statements are false.

What is the correct answer?

4

The practical purpose of classification of living organisms is to

A. explain the origin of living organsims.

B. trace the evolution of living organsims.

C. name the living organisms.

D. facilitate identification of unknown organisms.

What is the correct answer?

4

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.

A. Species

B. Genus

C. Order

D. Family

What is the correct answer?

4

Which of the following statements are correct about herbarium?

A. It is a store house of collected plant specimens that are dried and preserved on sheets.

B. Herbarium sheets contain information about date and place of collection, names, family, collectors name, etc.

C. It serves as quick referral systems in taxonomical studies.

D. All of the above

What is the correct answer?

4

The keys are based on contrasting characters generally in a pair called _______.

A. flora

B. couplet

C. both (a) and (b)

D. manuals

What is the correct answer?

4

The most important feature of all living systems is to

A. utilize oxygen to generate energy.

B. replicate the genetic information.

C. produce gametes.

D. utilize solar energy for metabolic activities.

What is the correct answer?

4

In multicellular organisms, _____ refers to the production of progeny possessing features more or less similar to those of parents.

A. growth

B. reproduction

C. metabolism

D. consciousness

What is the correct answer?

4

Keys are generally _______ in nature.

A. physical

B. chemical

C. analytical

D. qualitative

What is the correct answer?

4

Which of the following factors exclusively affects reproduction in seasonal breeders, both plants and animals?

A. Water

B. Temperature

C. Photoperiod

D. All of these

What is the correct answer?

4

Which one of the following taxonomical aid is used for identification of plants and animals based on similarities and dissimilarities?

A. Flora

B. Keys

C. Monographs

D. Catalogues

What is the correct answer?

4

Which of the following shows the correct example of taxonomic category - Genus?

A. Potato, tomato and brinjal belong to Solanum.

B. Monkey, gorilla and gibbon placed in Mammalia.

C. Solanum, Petunia, and Datura placed in Solanacea.

D. Mangifera indica, Solanum tuberosum, and Panthera leo.

What is the correct answer?

4

Which of the following are unique features of living organisms?

A. Growth and reproduction

B. Reproduction and ability to sense environment

C. Metabolism and interaction

D. All of the above

What is the correct answer?

4

The taxonomic unit phylum in the classification of animals is equivalent to which hierarchial level in classification of plants ?

A. Class

B. Order

C. Division

D. Family

What is the correct answer?

4

Each category of taxonomic hierarchy refers to as a unit of ______.

A. systematic

B. identification

C. nomenclature

D. classification

What is the correct answer?

4

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.

A. Only (i)

B. Both (ii) and (iii)

C. Both (i) and (iv)

D. All of these

What is the correct answer?

4

Match column-I (Biological name) with column-II (Class) and choose the correct option.
Column-IColumn-II
(Biological name)(Class)
A. Homo sapiensI. Dicotyledonae
B. Musca domesticaII. Mammalia
C. Mangifera indicaIII. Monocotyledonae
D. Triticum aestivumIV. Insects

A. A IV; B II; C I; D III

B. A II; B IV; C III; D I

C. A II; B IV; C I; D III

D. A II; B I; C IV; D III

What is the correct answer?

4

Which of the following term is used to refer the number of varieties of plants and animals on earth ?

A. Taxonomy

B. Identification

C. Biodiversity

D. Classification

What is the correct answer?

4

In angiosperm, characters of flowers are used in classification because

A. flowers are attractive.

B. flowers are large.

C. character of flowers are conserved.

D. none of the above.