1000+ The Living World MCQ for FCI Recruitment [Solved]
Thursday 9th of March 2023
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1. 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
2. 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 | 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
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 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
5. Taxonomic hierarchy refers to
A. step-wise arrangement of all categories for classification of plants and animals.
B. a group of senior taxonomists who decide the nomenclature of plants and animals.
C. a list of botanists or zoologists who have worked on taxonomy of a species or group.
D. classification of a species based on fossil record.
Answer : A
A. step-wise arrangement of all categories for classification of plants and animals.
B. a group of senior taxonomists who decide the nomenclature of plants and animals.
C. a list of botanists or zoologists who have worked on taxonomy of a species or group.
D. classification of a species based on fossil record.
Answer : A
6. 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
7. 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
8. 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
9. 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
10. 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
11. 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
12. 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
13. 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
Answer : C
A. Water
B. Temperature
C. Photoperiod
D. All of these
Answer : C
14. 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
15. 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
16. 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
17. 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 acorrect 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 acorrect 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
18. 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
19. 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
20. 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
21. The fungi, the filamentous algae, the protonema of mosses, all easily multiply by _____.
A. budding
B. fission
C. regeneration
D. fragmentation
Answer : D
A. budding
B. fission
C. regeneration
D. fragmentation
Answer : D
22. 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
23. 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
24. 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
25. 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
26. 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
27. 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
28. 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
29. 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
30. Which of the following taxonomic category of housefly is incorrectly matched?
A. Genus Musca
B. Family Muscidae
C. Order Primata
D. Class Insecta
Answer : C
A. Genus Musca
B. Family Muscidae
C. Order Primata
D. Class Insecta
Answer : C
31. 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
32. 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
33. 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
34. Which of the following organisms is not correctly matched with its particular ?
A. Human beings Sapiens, species
B. Lion Panthera, genus
strong>C. Cats Felidae, genus
D. Datura Solanaceae, family
Answer : C
A. Human beings Sapiens, species
B. Lion Panthera, genus
strong>C. Cats Felidae, genus
D. Datura Solanaceae, family
Answer : C
35. 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
Answer : D
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
Answer : D
36. 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
37. 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
38. 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
39. 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
40. 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
41. 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
42. 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
43. 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
44. 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.
Answer : C
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.
Answer : C
45. 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
46. 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 1.71.8 million.
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 1.71.8 million.
D. All of the above
Answer : D
47. 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
48. 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
49. 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
50. 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
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