Zoology 500+ MCQs for FPSC, PSC, PPSC | OUR SEEKER

Zoology 500+ MCQS for FPSC, PSC, PPSC

Zoology 500+ MCQs for FPSC, PSC, PPSC

Zoology 500+ MCQS for FPSC, PSC, PPSC

Zoology 500+ MCQS for FPSC, PSC, PPSC

1. Evolution processes have resulted in about______million species, of which 1.4 million species are represented
A) 2
B) 3
C) 4
D) 100

2. ideas regarding the idea of organic evolution were revealed and supported with convincing proof by natural scientist in
A) 1602.
B) 1750.
C) 1859.
D) 1923.

3. Through the year 2000, concerning ninety two of growth occurred in
A) less developed countries.
B) the United States.
C) Europe.
D) Asia.

4. The one environmental downside that's the basis of all alternative environmental issues is
A) pollution.
B) depletion of fossil fuels.
C) deforestation.
D) over population.

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5. the primary a part of the binomial name of Associate in Nursing animal is that the
A) species.
B) genus.
C) family.
D) order.

6. The study of interactions between organisms and their surroundings is
A) cytology.
B) physiology.
C) ecology.
D) systematics.

7. The study of birds is
A) ornithology.
B) mammalogy.
C) ichthyology.
D) herpetology.

8. Evolutionary theory helps explain
A) the diversity of life.
B) the relationships within animal groups.
C) the behavior of animals.
D) All of the above are correct.

9. The human population is anticipated to exceed visit the year 2010.
A) 5 billion
B) 10 billion
C) 250 million
D) 6 billion

10. By the year 2001, the human population of the world surpassed the benchmark of six billion and is currently six.3 billion
A) True
B) False

11. Prokaryotic cells do not have
A) centrioles
C) cytoskeletons.
D) cell walls.

12. All eukaryotic cells have three basic parts. Which of the subsequent isn't a basic a part of a typical being cell?
A) nucleus
B) cytoplasm
C) plasma membrane
D) nucleoid

13. that of the subsequent isn't a operate of the cell's glycocalyx?
A) transport
B) cell-to-cell recognition
C) behavior
D) recognition

14. the power of the cell wall to let some substances in and keep others out is termed
A) homeostasis.
B) selective permeability.
C) facilitated diffusion.
D) osmosis.

15. Energy is required for
A) simple diffusion.
B) facilitated diffusion.
C) osmosis.
D) active transport.

16. The bulk movement of material into a cell by the formation of a vesicle is called
A) simple diffusion.
B) facilitated diffusion.
C) endocytosis.
D) osmosis.

17. If hydraulics pressure is employed to maneuver a molecule through a membrane, this is termed
A) filtration.
B) osmosis.
C) active transport.
D) endocytosis.

18. you have not ar the non-membrane sure structures that ar the sites for supermolecule synthesis
A) Centrioles
B) Lysosomes
C) Ribosomes
D) Vacuoles

19. that of the subsequent organelles functions within the digestion of materials?
A) lysosomes
B) ribosomes
C) vesicles
D) microfilaments

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20. that of the subsequent isn't found among a mitochondrion?
B) matrix
C) cristae

21. that of the subsequent isn't a part of structure of a being cells?
A) microtubules
B) microfilaments
C) intermediate filaments
D) cilia

22. The centrioles arise from the
A) microtubule-organizing center.
B) microfilament-organizing center.
C) basal body.
D) nuclear envelope.

23. the sort of animal tissue that stores lipids is termed
A) adipose tissue.
B) blood tissue.
C) epithelial tissue.
D) storage tissue.

24. Cells attached  protection, support, and nourishment within the nervous system are called
A) neurons.
B) glial cells.
C) impulse conducting cells.
D) nerves.

25. you have not ar the purposeful units of associate animal's body.
A) Cells
B) Tissues
C) Organs
D) Systems

26. the best level or organization in associate animal's body is that the amplitude.
A) Cells
B) Tissues
C) Organ
D) Organ system

27. All of the subsequent ar sorts of animal tissue except
A) Blood
B) Bone
C) Nervous
D) Cartilage

28. the center may be a model of associate organ system.
A) True
B) False

29. Intercalated disks would be found in swish muscle cells.
A) True
B) False

30. Collagenous fibers would be found in fibrocartilage
A) True
B) False

31. Simple squamous epithelium is found in the air sacs of the lungs.
A) True
B) False

32. Stratified squamous epithelium is found on the surface of the skin.
A) True
B) False

33. Both cilia and flagella function in movement.
A) true
B) false

34. The Golgi apparatus consists of stacks of cisternae
A) True
B) False

35. the amount from the time a cell is created till it completes cell division is named the
A) mitotic phase.
B) cell cycle.
C) cytokinesis phase.
D) G1 phase.

36. Most of the cell cycle is occupied by the
A) G1 phase.
B) G2 phase.
C) S phase.
D) interphase.

37. body replication happens throughout the suitable of cell division.
A) G1 phase.
B) G2 phase.
C) S phase.
D) interphase.

38. a duplicate of a body created by replication is named a
A) chromatid.
B) daughter chromosome.
C) sister chromosome.
D) both b and c.

39. The microtubules of the mitotic spindle are attached to the
A) kinetochore.
B) centromere.
C) centrosome.
D) all of the above (a-c).

40. Chromosomes come into sight with the sunshine magnifier throughout dispersing medium.
A) prophase
B) metaphase
C) anaphase
D) telophase

41. The mitotic spindle disassembles during what phase of mitosis?
A) prophase
B) metaphase
C) anaphase
D) telophase

42. body replication happens throughout the suitable of cell division.
A) G1 phase
B) G2 phase
C) S phase
D) interphase

43. throughout prophase I of meiosis, homologous chromosomes line up side-by-side in a process called
A) genetic recombination.
B) meiosis II.
C) synapsis.
D) crossing over.

44. Crossing over results
A) synapsis.
B) syngamy.
C) genetic recombination.
D) dyad formation.

45. Spermatogenesis gives rise to __________ sperm cells.
A) 1
B) 2
C) 3
D) 4

46. within the polymer molecule, the base adenine pairs with the base
A) guanine.
B) cytosine.
C) thymine.
D) uracil.

46. A polymer ester consists of all of the subsequent EXCEPT:
A) a base.
B) ribose.
C) deoxyribose.
D) phosphate.

47. throughout supermolecule synthesis, ______ is produced in the nucleus and carries the genetic code to the cytoplasm.
A) transfer RNA
B) messenger RNA
C) ribosomal RNA
D) deoxynucleotide

48. you employ involves the formation of a peptide chain at the:______.
A) Transcription/nucleus
B) Transcription/ribosome
C) Translation/nucleolus
D) Translation/ribosome

49. A sequence of 3 bases in ribonucleic acid that codes for associate degree aminoalkanoic acid may be a
A) nucleotide.
B) nucleoside.
C) codon.
D) anticodon.

50. the particular carries amino acids to the organelle wherever a peptide is assembled.
A) transfer RNA
B) messenger RNA
C) ribosomal RNA
D) deoxynucleotide

51. throughout supermolecule synthesis at the organelle, the particular pairs with:
A) nucleotide/nucleoside
B) codon/anticodon
C) codon/amino acid

52. All of the subsequent statements concerning polymer and polymer ar true except one. Select the false statement
A) polymer is single stranded, and DNA is double stranded.
B) RNA contains the base thymine, and DNA contains the base uracil.
C) polymer is found within the nucleus and living substance, and polymer is principally within the nucleus.
D) RNA contains the sugar ribose, and DNA contains the sugar deoxyribose.

53. that of the subsequent ar pyrimidine bases found in RNA?
A) adenine and guanine
B) cytosine and thymine
C) adenine and uracil
D) cytosine and uracil

54. DNA replication is said to be semiconservative because
A) it is remarkably error free.
B) it leads to one new polymer molecule and one parental molecule.
C) it leads to 2 polymer molecules, each consisting of one new and one parental strand.
D) it leads to 2 fully new parental molecules.

55. the very fact that over one sequence in ribonucleic acid will code for a specific aminoalkanoic acid is named as
A) degeneracy.
B) homology.
C) wobble.
D) antiparallel.

56. Which of the following occurs during transcription?
A) Messenger RNA is produced.
B) Transfer RNA delivers amino acids to a ribosome.
C) Codons pair with anticodons.
D) A new strand of DNA is synthesized.

57. that of the subsequent happens at the start of translation?
A) A UGA sequence is aligned with the P web site of the organelle.
B) associate degree Gregorian calendar month sequence is aligned with the P web site of the organelle.
C) RNA polymerase recognizes a promotor.
D) Two strands of DNA are separated.

58. Homologous chromosomes carry genes for a similar traits, but not necessarily for the same expression of the traits
A) True
B) False

59. Genetic recombination or biological process may be a major sort of genetic variation.
A) True
B) False

60. Prophase begins once girl chromosomes seem at opposite poles of the cell.
A) True
B) False

61. The 5' finish of 1 polymer strand would be directly across from the 3' finish of the sister strand. The term antiparallel refers to this condition
A) True
B) False

62. There ar twenty completely different codons, one for each naturally occurring amino acid.
A) True
B) False

63. purpose mutations ar the supply of latest genetic material and account for organic process amendment. Most point mutations are detrimental
A) True
B) False

64. reduction division sometimes leads to parts of chromosomes breaking and reattaching in novel ways that.
A) True
B) False

65. associate degree animal that's heterozygous for a specific attribute would possess 2 alleles for that attribute.
A) True
B) False

66. freelance assortment is explained by events occurring throughout the second division of meiosis.
A) True
B) False

67. The visual expression of alleles is named the constitution
A) True
B) False
68. Codominance happens once 2 alleles ar expressed equally and also the offspring fit neither parent
A) True
B) False

69. that of the subsequent people was associate degree early mortal of evolution? Even though his clarification of however amendment in species happens was incorrect, he was steadfast in promoting ideas of organic process amendment.
A) Alfred Russel Wallace
B) Charles Darwin
C) Jean Baptiste Lamarck
D) Godfrey H. Hardy

70. in step with Charles Robert Darwin, evolution is most closely related to which concept?
A) natural selection
B) scientific creationism
C) inheritance of acquired characteristics
D) absence of change in a species

71. the thought that the world is formed these days by the forces of wind, rain, rivers, volcanoes, and geological uplift—just as it has been in the past—is known as
A) uniformitarianism.
B) phyletic gradualism.
C) punctuated equilibrium.
D) natural selection.

72. the thought that the world is formed these days by the forces of wind, rain, rivers, volcanoes, and geological uplift—just as it has been in the past—was developed by
A) Charles Darwin.
B) Alfred Russel Wallace.
C) James Hutton and Charles Lyell.
D) John Henslow.

73. the invention of fossils of horses, giant armadillos, and giant sloths in South America suggested to Charles Darwin that:
A) horses evolved in Europe and were dropped at America by early explorers.
B) the species composition of the world has modified through geologic history.
C) very little amendment in South yank life forms occurred since they originated.
D) ruinous events semiconductor diode to the extinction of mammals in South America.

74. The formation of recent species from associate degree ancestral species in response to the gap of recent habitats is:
A) neutral selection.
B) natural selection.
C) neo-Darwinism.
D) adaptive radiation.

75. All of the following are a part of the theory of evolution by natural selection except one. Select the exception
A) All organisms have a far greater reproductive potential than is ever realized.
B) genetic variations arise as a results of encountering associate degree environmental challenge that has to be overcome.
C) there's a continuing struggle for existence, and many individuals die.
D) accommodative traits square measure perpetuated in resultant generations as a result of people with less accommodative traits square measure less probably to breed than people with a lot of accommodative traits.

76. the mixture of Darwinian organic process theory and population biology is said as the:
A) modern synthesis or neo-Darwinism.
B) biogeography.
C) adaptation theory.
D) adaptive radiation.

77. the event of chemical resistance in crop pests is associate degree example of
A) macroevolution.
B) convergent evolution.
C) microevolution.
D) minievolution.

78. Structures and processes that square measure derived from a standard relation square measure aforementioned to be
A) analogous.
B) homologous.
C) convergent.
D) divergent.

79. The study of fossils is called
A) geology.
B) biogeography.
C) comparative anatomy.
D) paleontology.

80. the speculation of uniformitarianism was necessary for Charles Darwin's ideas as a result of it indicated that the world was a lot of older than half dozen,000 years and that the face of the earth changed gradually over its history.
A) True
B) False

81. Ancestral finches encountered habitats within the island that were barren of alternative birds and predators. They apace increased and stuffed ecological roles that were uncommon for finches on the earth. This account is an example of adaptive radiation
A) True
B) False

82. activity could be a positive force that selects from people with accommodative traits, allowing them to reproduce
A) True
B) False

83. organic process diversifications result in perfection in an exceedingly species
A) True
B) False

84. Variations on that activity acts arise as a results of random mutations. A new variation could, or may not, be adaptive.
A) True
B) False

85. in an exceedingly fossil bed, older fossils would be found above younger fossils.
A) True
B) False

86. activity involves prejudicious traits being eliminated from a population by the failure of the organism containing them to breed.
A) True
B) False

87. associate degree adaptation gift in associate degree organism in one surroundings is also dysfunctional in another surroundings
A) True
B) False

88. Over long periods of your time, microevolutionary changes may result in macroevolution
A) True
B) False

89. New structures and processes square measure typically the results of organic process changes in existing structures and processes
A) True
B) False
90. The results of focussed evolution square measure properly delineate in tree diagrams
A) True

B) False

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Our Seeker: Zoology 500+ MCQs for FPSC, PSC, PPSC | OUR SEEKER
Zoology 500+ MCQs for FPSC, PSC, PPSC | OUR SEEKER
Zoology 500+ MCQS for FPSC, PSC, PPSC
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