100 Biology Info Questions Practice Quiz Online Mcq’s Test with Answers

Start your preparation for 100 Biology Info Questions Practice Quiz Online Mcq’s Test with Answers. This online test contains important MCQs from past papers. Attempting this test will help you prepare for Annual Exams and Entry Tests. Read the questions carefully and select the correct option below to see your result.

Biology is a key subject in the medical field and almost everyone whether they want to seek admission in any institutes or have applied for a job in this field, must appear in a written examination and pass it as well in order to move further in the selection procedure. So to help you in this case, a biology mega quiz has been compiled below which will help you check and also improve your level of knowledge about various concepts of the subject so that you can perform well in the actual examination.

100 Biology Info Questions Practice Quiz Online Mcq’s Test with Answers

 

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Mega Quiz

1. Species is the basic unit of:

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2. Archaeopteryx is a fossil of:

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3. Homeostasis is the central requirement in the maintenance of:

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4. The cell was discovered by:

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5. The gizzard is used for crushing food in:

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6. Nearly 70% of the total global carbon is found in:

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7. Retroviruses cause the disease:

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8. Science is a systematized knowledge and based on:

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9. Soyabeans have been made resistant to a common:

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10. Lamarck published his theory of evolution in:

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11. Science is a systematized knowledge and based on:

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12. A branch of Biology, which deals with the study of chemical components  and chemical process in living organisms is known as:

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13. A very useful method of DNA finger printing is:

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14. Urine is preferably used as a vehicle for biotechnology product than:

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15. Most fossils are found in:

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16. In electron microscope the resolution of microscope ranges between ________.

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17. The protection of internal environment from the harms of fluctuations in external environment is called as:

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18. Name the first microbe to have the genome completely sequenced:

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19. Which cells do not respire?

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20. The animal excreting urea as the nitrogenous waste are called as:

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21. Dark reaction is also called as:

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22. The nucleoside forms a nucleotide after combining with a:

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23. Biology is the study of:

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24. Succession begins by a few hardy invaders called:

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25. There is a need for lead free petrol to reduce the:

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26. What is the number of insects in percentage among known species of organisms:

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27. New ribosomes are assembled in the:

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28. Nucleohistones are present in:

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29. Endangered species of plants have been recorded to more than:

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30. Two different molecules, belonging to different categories, usually combine together to form:

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31. Kingdom Animalia includes all animals which are:

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32. Photosynthesis is:

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33. The oldest known fossils are:

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34. The whole metabolism of the cell is controlled by the proteinaceous agents called:

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35. Photosynthesis consists of two well-defined phases, which are:

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36. A class is a group of related:

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37. There is a need for lead free petrol to reduce the:

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38. There are three components for the control system in a living organism to maintain homeostatic balance which are receptors, control centre and:

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39. Polioviruses are:

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40. A pollutant which causes mental illness is:

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41. The crossing of different varieties of plants or even species is called:

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42. It is the beautiful and delicate sponge made up of glass frame work:

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43. Extinction of a species in a food chain is compensated by:

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44. The first step of aerobic respiration is:

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45. Actual place or location where an organism lives is called its:

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46. The prokaryotic cell can divided by:

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47. In 1997, scientists in Scotland succeeded in cloning a:

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48. Darwin published "The origin of Species" in:

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49. Quantum yield of photosynthesis is:

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50. A virion is a:

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51. In Ecuador, factor coverage has been reduced by:

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52. The body of birds is covered by:

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53. Succession begins by a few hardy invaders called:

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54. About three billion base pairs are present in the genome of a:

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55. Pigs could be reservoirs to:

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56. Which is the last electron receptor in respiration?

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57. The study of microorganisms which include bacteria, viruses, protozoa and microscopic algae and fungi comes under:

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58. The list of plants and animals which if not protected would soon be extinct is known as:

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59. Currently, the number of species of organisms, known to science is:

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60. A pollutant which causes mental illness is:

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61. Major unit of ecology is:

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62. The study of viruses is called as:

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63. Temperature phage may exist as:

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64. Evolutionary change often produces new species and then increases:

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65. The elimination of wasteful metabolites mainly of nitrogenous nature is called as:

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66. The regulation of amount of water and solutes in the body is termed as:

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67. The entire cell wall of prokaryotic cell is often regarded as a single huge molecule known as:

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68. In the coming years, skin = related disorders will be more common due to:

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69. Fungal cell wall is made up of:

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70. A basic knowledge of Biochemistry is essential for understanding:

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71. Perhaps the most distinctive feature of prokaryotic cell is its:

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72. The means by which recombinant DNA is introduced in a host cell is called:

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73. There are three components for the control system in a living organism to maintain homeostatic balance which are receptors, control centre and:

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74. Carolus Linnaeus developed the system of nomenclature which is called:

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75. The study of life in seas and oceans comes under the heading of:

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76. Which is the best source of renewable energy?

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77. Edward Jenner first developed the technique of vaccination in:

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78. Algae have been found to reduce pollution of heavy metals by:

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79. Contraction and relaxation are the characteristics of:

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80. It is very difficult to define:

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81. Lysosomes also releases enzymes for extra cellular:

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82. Plants use evaporative cooling to manage with high:

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83. Meristem is a:

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84. The asexual reproduction in sponges is by:

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85. The transfer of energy from one trophic level to another is called as:

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86. In humans, thermostat responds to changes in temperature above and below a set point which is:

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87. The cell theory was formulated by:

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88. Which animals show no inter relationship (i.e.,neutralism)?

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89. Photosynthetically, least effective radiation is:

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90. The five kingdom system of classification was proposed by:

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91. Uric acid is produced from the breakdown of:

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92. Polioviruses are:

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93. The name animalia is derived from Latin, anima which means:

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94. Eukaryotes include animals, plants, fungi and:

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95. The main cause of extinction of species include:

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96. Plants use evaporative cooling to manage with high:

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97. The sedimentation coefficient of prokaryotic ribosome is:

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98. Driving force of ecosystem is:

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99. Retroviruses cause the disease:

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Quran Pak

100. The study of viruses is called as:

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How to Score High in 100 Biology Info Questions Practice Quiz Online Mcq’s Test with Answers?

Mastering scientific subjects requires conceptual clarity.

Key Preparation Tips:

  • Concepts First: Ensure you understand the underlying theories before attempting the MCQs.
  • Time Management: Attempt this online quiz multiple times to improve your speed.

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