1000+ The Living World Multiple Choice Question Answer [Solved]
Thursday 9th of March 2023
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1. 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)
Answer : D
(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)
Answer : D
2. 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
3. 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
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
Answer : C
A. Taxonomy
B. Identification
C. Biodiversity
D. Classification
Answer : C
5. 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)
Answer : D
(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)
Answer : D
6. 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
7. 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
8. 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
9. 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
10. 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
11. 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
12. 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
13. 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
Answer : D
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
Answer : D
14. 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
Answer : A
(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
Answer : A
15. 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
16. 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
17. 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.
Answer : B
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.
Answer : B
18. 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.
Answer : C
A. a higher taxonomic category than taxon.
B. lower taxonomic category than taxon.
C. the plural of taxon.
D. the singular of taxon.
Answer : C
19. 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
20. 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
21. 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.
Answer : B
A. utilize oxygen to generate energy.
B. replicate the genetic information.
C. produce gametes.
D. utilize solar energy for metabolic activities.
Answer : B
22. 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
23. 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
24. If an organism is in the same class but not in the same family then it may belong to same
A. genus
B. species
C. variety
D. order
Answer : D
A. genus
B. species
C. variety
D. order
Answer : D
25. 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
26. 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.
Answer : A
(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.
Answer : A
27. 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.
Answer : C
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.
Answer : C
28. 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
29. 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.
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
Answer : B
| Column-I | Column-II |
|---|---|
| (Taxonomic categoryOrder) | (Common name) |
| A. Wheat | I. Primata |
| B. Mango | II. Diptera |
| C. Housefly | III. Sapindales |
| D. Man | IV. 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
Answer : B
30. 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
31. 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
32. Which of the following statements (i - vi) are correct ?
(i) Growth cannot be taken as a defining property of living organism.
(ii) Dead organism does not grow.
(iii) Reproduction cannot be an all inclusive defining characteristic of living organisms.
(iv) No non-living object is capable of replicating itself.
(v) Metabolism in a test tube is non-living.
(vi) Metabolism is a defining feature of all living organisms.
A. (i) and (iii)
B. All except (v)
C. All except (iii)
D. All of these
Answer : B
(i) Growth cannot be taken as a defining property of living organism.
(ii) Dead organism does not grow.
(iii) Reproduction cannot be an all inclusive defining characteristic of living organisms.
(iv) No non-living object is capable of replicating itself.
(v) Metabolism in a test tube is non-living.
(vi) Metabolism is a defining feature of all living organisms.
A. (i) and (iii)
B. All except (v)
C. All except (iii)
D. All of these
Answer : B
33. 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
34. 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
Answer : B
(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
Answer : B
35. In the given columns, columnI 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 | Column 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
36. Match column-I (Biological name) with column-II (Class) and choose the correct option.
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
Answer : C
| Column-I | Column-II |
|---|---|
| (Biological name) | (Class) |
| A. Homo sapiens | I. Dicotyledonae |
| B. Musca domestica | II. Mammalia |
| C. Mangifera indica | III. Monocotyledonae |
| D. Triticum aestivum | IV. 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
Answer : C
37. 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
Answer : D
A. Growth and reproduction
B. Reproduction and ability to sense environment
C. Metabolism and interaction
D. All of the above
Answer : D
38. 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
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
39. The order generally ends with
A. ales
B. aceae
C. eae
D. none of these
Answer : A
A. ales
B. aceae
C. eae
D. none of these
Answer : A
40. 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
41. 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
42. 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
43. Which of the following is less general in characters as compared to genus?
A. Species
B. Division
C. Class
D. Family
Answer : A
A. Species
B. Division
C. Class
D. Family
Answer : A
44. 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
Answer : B
(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
Answer : B
45. 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
46. 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
47. Which of the following statements regarding growth is incorrect?
A. In animals growth is seen up to a certain age.
B. Increase in body mass is considered as growth.
C. Growth by cell division occurs continuously throughout their life span in animals.
D. Increase in mass and number of individuals is the characteristics feature of animal growth.
Answer : C
A. In animals growth is seen up to a certain age.
B. Increase in body mass is considered as growth.
C. Growth by cell division occurs continuously throughout their life span in animals.
D. Increase in mass and number of individuals is the characteristics feature of animal growth.
Answer : C
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. Which one of the following statements is correct about biodiversity ?
A. It is the occurrence of varied type of organisms on earth.
B. Each different kind of plant, animal or organism represents a species.
C. The number of species that are known and described range between 1.71.8million.
D. All of the above
Answer : D
A. It is the occurrence of varied type of organisms on earth.
B. Each different kind of plant, animal or organism represents a species.
C. The number of species that are known and described range between 1.71.8million.
D. All of the above
Answer : D
50. 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
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