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

1. It is very difficult to define:

2. Biology is the study of:

3. Eukaryotes include animals, plants, fungi and:

4. Which is the best source of renewable energy?

5. Kingdom Animalia includes all animals which are:

6. Pigs could be reservoirs to:

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

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

9. Science is a systematized knowledge and based on:

10. The asexual reproduction in sponges is by:

11. The sedimentation coefficient of prokaryotic ribosome is:

12. Uric acid is produced from the breakdown of:

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

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

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

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

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

18. The oldest known fossils are:

19. Succession begins by a few hardy invaders called:

20. Science is a systematized knowledge and based on:

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

22. Which cells do not respire?

23. The study of viruses is called as:

24. A virion is a:

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

26. Soyabeans have been made resistant to a common:

27. The body of birds is covered by:

28. Succession begins by a few hardy invaders called:

29. Photosynthetically, least effective radiation is:

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

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

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

33. The prokaryotic cell can divided by:

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

35. The cell theory was formulated by:

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

37. A pollutant which causes mental illness is:

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

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

40. Nucleohistones are present in:

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

42. Dark reaction is also called as:

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

44. New ribosomes are assembled in the:

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

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

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

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

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

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

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

52. A pollutant which causes mental illness is:

53. Which is the last electron receptor in respiration?

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

55. A class is a group of related:

56. Meristem is a:

57. Polioviruses are:

58. The gizzard is used for crushing food in:

59. The cell was discovered by:

60. Archaeopteryx is a fossil of:

61. Plants use evaporative cooling to manage with high:

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

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

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

65. Contraction and relaxation are the characteristics of:

66. The main cause of extinction of species include:

67. Most fossils are found in:

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

69. Temperature phage may exist as:

70. Photosynthesis is:

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

72. Polioviruses are:

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

74. Lamarck published his theory of evolution in:

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

76. Major unit of ecology is:

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

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

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

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

81. The first step of aerobic respiration is:

82. Retroviruses cause the disease:

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

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

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

86. Retroviruses cause the disease:

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

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

89. Species is the basic unit of:

90. Quantum yield of photosynthesis is:

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

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

93. Driving force of ecosystem is:

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

95. Fungal cell wall is made up of:

96. Plants use evaporative cooling to manage with high:

97. Lysosomes also releases enzymes for extra cellular:

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

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

100. The study of viruses is called as: