Home
Current Affairs January 2024

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

Correct Answer :

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


Metabolism is defined as the sum total of all the chemical reactions occurring in our body. All plants, animals, fungi and microbes exhibit metabolism. Isolated metabolic reactions in vitro are not living things but are living reactions.

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 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

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 aspects is an exclusive characteristic of living things ?

A. Isolated metabolic reactions occur in vitro.

B. Increase in mass from inside only.

C. Perception of events happening in the environment and their memory.

D. Increase in mass by accumulation of material both on surface as well as internally.

What is the correct answer?

4

Which of the following taxonomic aid provides information for the identification of names of species found in an area?

A. Monograph

B. Manual

C. Flora

D. Periodical

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 one of the following is the first step in taxonomy ?

A. Naming

B. Description

C. Identification

D. Classification

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

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

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

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

Identify the correct sequence of taxonomic categories.

A. Species ? Genus ? Order ? Class ? Family ? Phylum/Division ? Kingdom

B. Species ? Genus ? Family ? Class ? Phylum/Division ? Order ? Kingdom

C. Species ? Genus ? Family ? Order ? Class ? Phylum/Division ? Kingdom

D. Species ? Genus ? Family ? Order ? Class ? Phylum/Division ? Kingdom

What is the correct answer?

4

Taxa differs from taxon due to being

A. a higher taxonomic category than taxon.

B. lower taxonomic category than taxon.

C. the plural of taxon.

D. the singular of taxon.

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

Select the correct statements (i-v) regarding taxonomic categories.
(i) Each step or rank in hierarchy is called taxonomic category.
(ii) Species is a group of individual organisms with fundamental similarities capable of breeding among themselves.
(iii) Taxonomic studies of all unknown organisms have led to the development of common categories like kingdom, phylum or division, class, order, family, genus and species.
(iv) Lower the category, greater is the difficulty of determining the relationship to other taxa at the same level.

A. (i) & (ii) only

B. (ii) & (iv) only

C. (i), (ii) & (iii) only

D. All of the above

What is the correct answer?

4

Which of the following statements regarding nomenclature is correct?

A. Generic name always begins with capital letter whereas specific name with small letter.

B. Scientific name should be printed in italics.

C. Scientific name when typed or handwritten should be underlined.

D. All of the above

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

Systematics refers to the

A. identification and classification of plants and animals.

B. nomenclature and identification of plants and animals.

C. diversity of kinds of organisms and their relationship.

D. different kinds of organisms and their classification.

What is the correct answer?

4

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

A. Only living organisms grow.

B. Plants grow only up to a certain age.

C. The growth in living organisms is from inside.

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

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

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

In printed scientific names, only the ______ is capitalized.

A. class

B. species

C. genus

D. family

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

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

As we go from species to kingdom in a taxonomic hierachy, the number of common characteristics

A. will decrease.

B. will increase.

C. remain same.

D. may increase or decrease.

What is the correct answer?

4

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.

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

B. (ii) and (iv)

C. (i), (iii) and (iv)

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

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

In the given columns, column I contains the terms and column II contains its description. Select the correct match from the option given below.
Column IColumn II
A. GrowthI. Production o f offspring.
B. ReproductionII. Compos ed o f one or more cells .
C. MetabolismIII. Increase in mass and increase in number o f individuals .
D. Cellular organizationIV. Sum total of all chemical reactions occurring in body.

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

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

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

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

What is the correct answer?

4

The famous botanical garden Kew is located in

A. England

B. Lucknow

C. Berlin

D. Australia