Bio ch1 test 1

1. 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

2. 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

3. In unicellular organisms, with respect to growth and reproduction following can be true.

a. Growth and Reproduction are inclusive events.
b. Unicellular organisms grow by cell division.
c. Both are exclusive
d. Only 3 correct

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

5. Non-living objects:

(a) Grows from external surface by collecting substance on it.
(b) Grows from internal surface like living.
(c) Do not grow at all.
(d) All 1, 2, 3 correct

6. 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

7. The fungi, the filamentous algae, the protonema of mosses, all easily multiply by _____.

(a) budding
(b) fission
(c) regeneration
(d) fragmentation

8. 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

9. The sum total of all the chemical reactions occurring in our body is known as

(a) metabolism
(b) growth
(c) regeneration
(d) reproduction

10. 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

11. 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

12. Binomial nomenclature means

(a) one name given by two scientists.
(b) one scientific name consisting of a generic and specific epithet.
(c) two names, one latinized, other of a person.
(d) two names of same plant.

13. In printed scientific names, only the ______ is capitalized.

(a) class
(b) species
(c) genus
(d) family

14. Each category of taxonomic hierarchy refers to as a unit of ______.

(a) systematic
(b) identification
(c) nomenclature
(d) classification

15. 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.

16. Taxon is a

(a) unit of classification.
(b) species.
(c) highest rank of classification.
(d) group of closely related organisms.

17. The practical purpose of classification of living organisms is to

(a) explain the origin of living organisms.
(b) trace the evolution of living organisms.
(c) name the living organisms.
(d) facilitate identification of unknown organisms.

18. 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

19. 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

20. The order generally ends with

(a) ales
(b) aceae
(c) eae
(d) none of these

21. 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

22. 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

23. 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

24. 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.

25. The famous botanical garden ‘Kew’ is located in

(a) England
(b) Lucknow
(c) Berlin
(d) Australia

26. Keys are generally _______ in nature.

(a) physical
(b) chemical
(c) analytical
(d) qualitative

27. Each statement in the key is called _______.

(a) lead
(b) catalogues
(c) manuals
(d) monographs

28. The keys are based on contrasting characters generally in a pair called _______.

(a) flora
(b) couplet
(c) both (a) and (b)
(d) manuals

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.

30. Growth in living organisms occurs by

a. division of cells.
b. increase in biomass.
c. accumulation of material by external agency.
d. both (a) and (b).

31. 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.

32. Which two points are known as the twin characteristics of growth?

a. (i) and (ii)
b. (i) and (iv)
c. (ii) and (iii)
d. (i) and (iii)

33. 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

34. 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, collector’s name, etc.
c. It serves as quick referral systems in taxonomical studies.
d. All of the above

35. 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.

36. Which of the following statement(s) is/are correct for Metabolism?

(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

37. 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 1.7–1.8 million.
(d) All of the above

38. Which of the following statements are not correct?

(a) (i), (ii) and (iii)
(b) (ii), (iii) and (iv)
(c) (i) and (iv)
(d) (ii) and (iii)

39. Which of the following statements are correct?

(a) (i), (ii), and (iv)
(b) (ii) and (iv)
(c) (i), (iii) and (iv)
(d) (ii), (iii) and (iv)

40. Which of the following statement(s) is/are not correct?

(a) Only (i)
(b) Both (i) and (ii)
(c) Both (ii) and (iv)
(d) All of these

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

(a) Only (i)
(b) Both (ii) and (iii)
(c) Both (i) and (iv)
(d) All of these

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

(a) Only (i)
(b) Both (iii) and (iv)
(c) Only (iv)
(d) All of these

43. Which of the following taxonomic categories is being described by the given statements (i-iii)?

(a) Species
(b) Genus
(c) Order
(d) Family

44. Which of the following statement(s) is/are not correct?

(a) Both (i) and (ii)
(b) Only (iii)
(c) Both (ii) and (iii)
(d) All of these

45. Which of the following taxonomical aids is being described by the given statements (i-iv)?

(a) Herbarium
(b) Museum
(c) Zoological parks
(d) Botanical gardens

46. 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.

47. Select the correct statements (i-v) regarding taxonomic categories.

(a) (i) & (ii) only
(b) (ii) & (iv) only
(c) (i), (ii) & (iii) only
(d) All of the above

48. 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.

49. Study the following statements and select the correct description of botanical garden.

(a) (i) and (ii) only
(b) (i), (ii) and (iii) only
(c) (ii) and (iv) only
(d) All the five statements.

50. Which of the following is the correct sequence of the various steps of Herbarium formation?

(a) 3, 1, 2, 5, 7, 4, 6
(b) 3, 2, 4, 5, 6, 7, 1
(c) 3, 1, 2, 5, 7, 6, 4
(d) 3, 1, 2, 7, 5, 6, 4

51. Which of the following pair is correctly matched.

(a) (i) and (ii)
(b) Both (i) and (iii)
(c) only (ii)
(d) only (iii)

52. Dicotyledons like mango, brinjal and monocotyledons like Wheat and Rice are placed under a taxonomic category known as

(a) Phylum – Angiospermae
(b) Division – Angiospermae
(c) Class – Angiospermae
(d) Sereis – Polypetalae

53. Amongst the given taxonomic aids, how many are associated with preservation of specimens?

(a) One
(b) Three
(c) Two
(d) Four

54. Assertion: Taxon and category are different things.

Reason: Category shows hierarchical classification.

(a) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
(b) If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
(c) If Assertion is true but Reason is false.
(d) If both Assertion and Reason are false.

55. Assertion: The species is reproductively isolated natural population.

Reason: Prokaryotes cannot be kept under different species on the basis of reproductive isolation.

(a) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
(b) If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
(c) If Assertion is true but Reason is false.
(d) If both Assertion and Reason are false.

56. Assertion: Information given on the label of herbarium sheets does not include family.

Reason: Families are characterized on the basis of reproductive features of plant species only.

(a) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
(b) If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
(c) If Assertion is true but Reason is false.
(d) If both Assertion and Reason are false.

57. Assertion: Flora contains the actual account of habitat and distribution of plants of a given area.

Reason: Flora helps in correct identification.

(a) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
(b) If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
(c) If Assertion is true but Reason is false.
(d) If both Assertion and Reason are false.

58. Assertion: Panthera is a polytypic genera.

Reason: Panthera has specific epithets like leo, tigris and pardus.

(a) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
(b) If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
(c) If Assertion is true but Reason is false.
(d) If both Assertion and Reason are false.

59. Assertion: Biological concept of species is based on reproductive isolation.

Reason: Most accepted species concept was given by Linnaeus.

(a) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
(b) If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
(c) If Assertion is true but Reason is false.
(d) If both Assertion and Reason are false.

60. Assertion: Botanical Gardens are ex-situ conservation strategy of plants.

Reason: National botanical Garden is situated at Howrah.

(a) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
(b) If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
(c) If Assertion is true but Reason is false.
(d) If both Assertion and Reason are false.

61. Assertion: Scientific names for plants have been standardized through ICBN.

Reason: Naming system which used three word format was given by Linnaeus.

(a) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
(b) If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
(c) If Assertion is true but Reason is false.
(d) If both Assertion and Reason are false.

62. Assertion: Two plants A and B are treated as two taxonomic species.

Reason: Both A and B are different in correlated characters.

(a) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
(b) If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
(c) If Assertion is true but Reason is false.
(d) If both Assertion and Reason are false.

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