The Living World 1000+ MCQ with answer for GMAT
Thursday 9th of March 2023
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1. 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)
Answer : C
(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)
Answer : C
2. 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.
Answer : C
A. flowers are attractive.
B. flowers are large.
C. character of flowers are conserved.
D. none of the above.
Answer : C
3. 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
Answer : D
(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
Answer : D
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
Answer : C
A. Class
B. Order
C. Division
D. Family
Answer : C
5. 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
Answer : A
A. continuously, only upto a certain age
B. only upto a certain age, continuously
C. continuously, never
D. once, twice
Answer : A
6. The keys are based on contrasting characters generally in a pair called _______.
A. flora
B. couplet
C. both (a) and (b)
D. manuals
Answer : B
A. flora
B. couplet
C. both (a) and (b)
D. manuals
Answer : B
7. 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
Answer : B
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
Answer : B
8. In printed scientific names, only the ______ is capitalized.
A. class
B. species
C. genus
D. family
Answer : C
A. class
B. species
C. genus
D. family
Answer : C
9. 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.
Answer : C
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.
Answer : C
10. The disadvantage of using common names for species is that
A. the names may change.
B. one name does not apply universally.
C. one species may have several common names and one common name may be applied to two species.
D. all of the above
Answer : D
A. the names may change.
B. one name does not apply universally.
C. one species may have several common names and one common name may be applied to two species.
D. all of the above
Answer : D
11. Each category of taxonomic hierarchy refers to as a unit of ______.
A. systematic
B. identification
C. nomenclature
D. classification
Answer : D
A. systematic
B. identification
C. nomenclature
D. classification
Answer : D
12. In majority of higher animals and plants, _____ and _____ are mutually exclusive events.
A. growth; nutrition
B. nutrition; consciousness
C. growth; reproduction
D. reproduction; consciousness
Answer : C
A. growth; nutrition
B. nutrition; consciousness
C. growth; reproduction
D. reproduction; consciousness
Answer : C
13. The sum total of all the chemical reactions occurring in our body is known as
A. metabolism
B. growth
C. regeneration
D. reproduction
Answer : A
A. metabolism
B. growth
C. regeneration
D. reproduction
Answer : A
14. Two plants can be conclusively said to belong to the same species if they
A. have same number of chromosomes.
B. can reproduce freely with each other and form seeds.
C. have more than 90 per cent similar genes.
D. look similar and possess identical secondary metabolites.
Answer : B
A. have same number of chromosomes.
B. can reproduce freely with each other and form seeds.
C. have more than 90 per cent similar genes.
D. look similar and possess identical secondary metabolites.
Answer : B
15. Which of the following is the only taxonomic categories that has a real existence?
A. Phylum
B. Species
C. Genus
D. Kingdom
Answer : B
A. Phylum
B. Species
C. Genus
D. Kingdom
Answer : B
16. 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
Answer : A
(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
Answer : A
17. 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.
Answer : C
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.
Answer : C
18. 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.
Answer : D
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.
Answer : D
19. Which one of the following animals is correctl 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
Answer : A
A. Tiger Tigris, the species
B. Cuttle fish Mollusca, a class
C. Humans Primata, the family
D. Housefly Musca, an order
Answer : A
20. 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
Answer : A
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
Answer : A
21. Families are characterized on which of the following features of plant species?
A. External morphology
B. Anatomy of parts
C. Vegetative and reproductive parts
D. Seasonal similarities and variations
Answer : C
A. External morphology
B. Anatomy of parts
C. Vegetative and reproductive parts
D. Seasonal similarities and variations
Answer : C
22. 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
Answer : D
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
Answer : D
23. 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
Answer : C
A. Taxonomy
B. Identification
C. Biodiversity
D. Classification
Answer : C
24. 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
Answer : C
A. Human beings Sapiens, species
B. Lion Panthera, genus
C. Cats Felidae, genus
D. Datura Solanaceae, family
Answer : C
25. 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.
Answer : A
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.
Answer : A
26. Which one of the following is the first step in taxonomy ?
A. Naming
B. Description
C. Identification
D. Classification
Answer : C
A. Naming
B. Description
C. Identification
D. Classification
Answer : C
27. Two animals which are the members of the same order must also be the members of the same __________.
A. class
B. family
C. genus
D. species
Answer : A
A. class
B. family
C. genus
D. species
Answer : A
28. 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
Answer : B
A. growth
B. reproduction
C. metabolism
D. consciousness
Answer : B
29. 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
Answer : C
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
Answer : C
30. Each statement in the key is called _______.
A. lead
B. catalogues
C. manuals
D. monographs
Answer : A
A. lead
B. catalogues
C. manuals
D. monographs
Answer : A
31. 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.
Answer : C
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.
Answer : C
32. Match the taxonomic categories given in column I with their feature given in column II.
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
Answer : C
| 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. 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
Answer : C
33. Which one of the following is not a correct statement?
A. Botanical gardens have collection of living plants for reference.
B. A museum has collection of photographs of plants and animals.
C. Key is a taxonomic aid for identification of specimens.
D. Herbarium is a store house that contains dried, pressed and preserved plant specimens.
Answer : B
A. Botanical gardens have collection of living plants for reference.
B. A museum has collection of photographs of plants and animals.
C. Key is a taxonomic aid for identification of specimens.
D. Herbarium is a store house that contains dried, pressed and preserved plant specimens.
Answer : B
34. 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
Answer : B
A. Flora
B. Keys
C. Monographs
D. Catalogues
Answer : B
35. 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
Answer : B
(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
Answer : B
36. In the given columns, column I contains the terms and column II contains its description. Select the correct match from the option given below.
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
Answer : C
| Column I | Colum II |
|---|---|
| A. Growth | I. Production o f offspring. |
| B. Reproduction | II. Compos ed o f one or more cells . |
| C. Metabolism | III. Increase in mass and increase in number o f individuals . |
| D. Cellular organization | IV. 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
Answer : C
37. Which one of the taxonomic aids can give comprehensive account of complete compiled information of any one genus or family at a particular time?
A. Taxonomic key
B. Flora
C. Herbarium
D. Monograph
Answer : D
A. Taxonomic key
B. Flora
C. Herbarium
D. Monograph
Answer : D
38. Which of the following statements is incorrect?
A. The scientific name for humans is Homo sapiens.
B. Organisms placed in the same genus are least closely related.
C. Moving from species to kingdom, more different species are included in each higher category.
D. Species that are in the same genus share very specific characteristics.
Answer : B
A. The scientific name for humans is Homo sapiens.
B. Organisms placed in the same genus are least closely related.
C. Moving from species to kingdom, more different species are included in each higher category.
D. Species that are in the same genus share very specific characteristics.
Answer : B
39. 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.
Answer : B
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.
Answer : B
40. Match column-I with column-II and choose the correct combination from the options given below.
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
Answer : B
| 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. 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
Answer : B
41. The common characteristics between tomato and potato will be maximum at the level of their__________.
A. genus
B. family
C. order
D. division
Answer : B
A. genus
B. family
C. order
D. division
Answer : B
42. Which of the following is not a characteristic of life?
A. Reproduction
B. Complex chemical organization
C. Adaptation to environmental changes
D. Differentiation from cells to tissues
Answer : D
A. Reproduction
B. Complex chemical organization
C. Adaptation to environmental changes
D. Differentiation from cells to tissues
Answer : D
43. 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.
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
Answer : A
| Column-I | Column-II |
|---|---|
| (Common Name) | (Taxonomic categoryFamily) |
| A. Man | I. Poaceae |
| B. Datura | II. Anacardiaceae |
| C. Mango | III. Solanaceae |
| D. Wheat | IV. 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
Answer : A
44. 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
Answer : C
(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
Answer : C
45. Keys are generally _______ in nature.
A. physical
B. chemical
C. analytical
D. qualitative
Answer : C
A. physical
B. chemical
C. analytical
D. qualitative
Answer : C
46. The famous botanical garden Kew is located in
A. England
B. Lucknow
C. Berlin
D. Australia
Answer : A
A. England
B. Lucknow
C. Berlin
D. Australia
Answer : A
47. 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.
Answer : A
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.
Answer : A
48. ICBN stands for
A. International Code of Botanical Nomenclature
B. International Congress of Biological Names
C. Indian Code of Botanical Nomenclature
D. Indian Congress of Biological Names
Answer : A
A. International Code of Botanical Nomenclature
B. International Congress of Biological Names
C. Indian Code of Botanical Nomenclature
D. Indian Congress of Biological Names
Answer : A
49. Match column I with column II and choose the correct option.
A. A IV; B III; C V; D II; E I
B. A V; B IV; C II; D I; E III
C. A IV; B V; C II; D I; E III
D. A V; B III; C II; D I; E IV
Answer : B
| 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. A IV; B III; C V; D II; E I
B. A V; B IV; C II; D I; E III
C. A IV; B V; C II; D I; E III
D. A V; B III; C II; D I; E IV
Answer : B
50. 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.
Answer : A
A. will decrease.
B. will increase.
C. remain same.
D. may increase or decrease.
Answer : A
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