Home
Current Affairs January 2024

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.

Correct Answer :

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


In plants, growth by cell division occurs continuously throughout their life span.

Related Questions

What is the correct answer?

4

Each statement in the key is called _______.

A. lead

B. catalogues

C. manuals

D. monographs

What is the correct answer?

4

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.

A. (i) and (ii) only

B. (i), (ii) and (iii) only

C. (ii) and (iv) only

D. All the five statements.

What is the correct answer?

4

Which one of the following is the first step in taxonomy ?

A. Naming

B. Description

C. Identification

D. Classification

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

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.

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

Herbarium is a

A. garden where medicinal plants are grown.

B. garden where herbaceous plants are grown.

C. dry garden.

D. chemical to kill plants.

What is the correct answer?

4

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

A. (i) and (ii)

B. (i) and (iv)

C. (ii) and (iii)

D. (i) and (iii)

What is the correct answer?

4

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.

A. (i), (ii) and (iii)

B. (ii), (iii) and (iv)

C. (i) and (iv)

D. (ii) and (iii)

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

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

Which of the following statement(s) is/are not correct ?
(i) Genus comprises a group of related species which has more characters in common in comparison to species of other genera.
(ii) Three different genera such as Solanum, Datura and Petunia are placed in the family malvaceae.
(iii) In case of plants, classes with a few similar characters are assigned to a higher category called phylum.

A. Both (i) and (ii)

B. Only (iii)

C. Both (ii) and (iii)

D. All of these

What is the correct answer?

4

In majority of higher animals and plants, _____ and _____ are mutually exclusive events.

A. growth; nutrition

B. nutrition; consciousness

C. growth; reproduction

D. reproduction; consciousness

What is the correct answer?

4

One of the most important functions of botanical gardens is that

A. they provide a beautiful area for recreation.

B. one can observe tropical plants there.

C. they allow ex-situ conservation of germ plasm.

D. they provide the natural habitat for wildlife.

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 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

Match the common name given in column I with their taxonomic category order given in column II and choose the correct combination from the options given below.
Column-IColumn-II
(Taxonomic categoryOrder)(Common name)
A. WheatI. Primata
B. MangoII. Diptera
C. HouseflyIII. Sapindales
D. ManIV. Poales

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

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

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

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

What is the correct answer?

4

Which of the following characters given below displays the description of lowest taxonomic category of the organisms of plant and animal kingdom?

A. It includes one or more than one order.

B. It is a group containing one or more families.

C. It is a group of related individuals that resemble one another.

D. It is a group of organisms that are closely related and share similar characteristics.

What is the correct answer?

4

Which of the following taxonomic category of housefly is incorrectly matched?

A. Genus Musca

B. Family Muscidae

C. Order Primata

D. Class Insecta

What is the correct answer?

4

Which of the following organisms is not correctly matched with its particular ?

A. Human beings Sapiens, species

B. Lion Panthera, genus

C. Cats Felidae, genus

D. Datura Solanaceae, family

What is the correct answer?

4

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.

A. Herbarium

B. Museum

C. Zoological parks

D. Botanical gardens

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

Cell division occurs _______ in plants and _______ in animals.

A. continuously, only upto a certain age

B. only upto a certain age, continuously

C. continuously, never

D. once, twice

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

Keys are generally _______ in nature.

A. physical

B. chemical

C. analytical

D. qualitative

What is the correct answer?

4

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).

A. Only (i)

B. Both (iii) and (iv)

C. Only (iv)

D. All of these

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

Match column-I with column-II and choose the correct combination from the options given below.
Column-IColumn-II
A. National BotanicalI. Carolus Linneaus Research Institute
B. Indian BotanicalII. Taxon Garden
C. BinomialIII. Howrah (India) Nomenclature
D. A unit ofIV. Lucknow classification

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

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

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

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

What is the correct answer?

4

The order generally ends with

A. ales

B. aceae

C. eae

D. none of these

What is the correct answer?

4

Match the taxonomic categories given in column I with their feature given in column II.
Column IColumn II
A. TaxonI. Basic unit of classification
B. SpeciesII. A taxonomic group of any rank
C. PhylumIII. Division is the same category in case of plants
D. GenusIV. Identified based on a number of similar characters
E. OrderV. Group of related species having more character in common with others species

A. A - V, B - II, C - IV, D - III, E - I

B. A - III, B - I, C - IV, D - II, E - V

C. A - II, B - I, C - III, D - V, E - IV

D. A - III, B - II, C - IV, D - I, E - V