Top 100 Best Biology Quiz Questions & Answer

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Top 100 Biology Questions & Answer

1. Which harmful element tobacoo exists in tobacoo ? Ans Nicotine
2. In the retina of eye cells what is present for colour differentiation? Ans Cones
3. Which is most primitive ancestor of man ? Ans Australopithecus
4. Which tissue in cells have lost the capicity of cell division? Ans Permanent tissue
5. What is the introduction of foreign genes for improving genotype? Ans Immunisation
6. Which type of cell has the ability to develop into any type of all ? Ans Stem cell
7. Who discovered the causal organism of the disease Anthrax? Ans Robert Koch
8. Which animals have a diet mainly consisting of bamboo? Ans Red pandas
9. What is the percentage of land area covered under forest according to Indian Forest policy? Ans 33%
10. Which is the first national park established in India? Ans Corbet

11. Most of the plants obtain nitrogen from the soil in which from? Ans Nitrates
12. What is symbiotic relationship in which both species benefit’ is best described? Ans Mutualism
13. What is the least influential in determining the distribution of terrestrial biomes? Ans Salinity
14. Edward Jenner is related with which disease? Ans Small pox
15. Human protein x Ans 1 Ans antitrysin is used for which disease? Ans Emphysama
16. Blood Coagualtion is prevented by which chemical when it flow through artery and vein? Ans Heparin
17. Which enzyme take part in digestion of milk protein? Ans Rennin
18. For which is the southern blot technique used for the detection? Ans DNA
19. Which gland is responsible for the secretion of insulin? Ans Pancrease
20. Who discovered Anopheles mosquito transmit malaria? Ans Ronal ross

21. Which factors are most responsible for disease in plant? Ans Fungi
22. What is making interesting discoveries unexpectedly or by accident? Ans Serendipity
23. Plant and animal living in a particular area, what is it called? Ans Community
24. Which blood vessel bringing blood into Bowman’s capsule? Ans Afferent arteriole
25. Insectivorous plant generally grow in soil which is deficient in which gas? Ans Nitrogen
26. By whom the concept of survival of the fittest as advanced? Ans Herbert Spencer
27. Which air pollutant affect the nervous system of man? Ans Lead
28. Pneumoconiosis affects the workers who work mainly in which industry? Ans Coal mining industry
29. Which was the Russian scientist who proposed the theory of origin of life? Ans Oparin
30. Which energy do not have the problem of pollution? Ans Sun

31. Which Scientists has established the ‘Phylum Annelida’? Ans Lamark
32. In India famous Bengal famine accurred in 1942 by which disease? Ans Leaf spot of rice
33. National Environmental Engineering research institute is situated in which city? Ans Nagpur
34. Bu which antibodies are produced in the plasma of blood? Ans Lymphocytes
35. Which animal lays eggs and does not produce young ones directly? Ans Echidna
36. Which branch of science deal with the study of causative agent of disease? Ans Etiology
37. How many pair of heart is found in an earthworm? Ans Four
38. Which antimicrobial drug is suitable for treatment of both tuberculosis and leprosy? Ans Rifampicin
39. What percentage of water found in blood plasma of human? Ans 91 to 92%
40. A person feel fatigued due to depositon of which acid in their muscles? Ans Latic Acid

41. Which animals who have constant body temperature? Ans Homeothermic
42. What is infolding from the inner membrane of mitochondria called? Ans Cristae
43. What ratio of forest area needed for ecologycal balance in India? Ans 33.3%
44. Silent valley having rare plant and animal is located in which state? Ans Kerala
45. Which group has the highest number of endangered species ? Ans Reptiles
46. By whom was Artificial gene synthesis first done in laboratory? Ans Khurana
47. Which vitamin is transformed in golden rice ? Ans Vitamin A
48. The release of which fish into wells helps in controlling the mosquitoes? Ans Gambusia fish
49. What do both respiration and photosynthesis require? Ans Cytochromes
50. What is one-way relationship where one species benefits at the expense of another is called? Ans Parasitism

51. In a living cell what is the site of ribosome formation? Ans Nucleolus
52. Trunk of tree increases in grith due to cell division in which tissue? Ans Meristematic tissue
53. In absence of ribosome in cell which function does not takes place? Ans Protein synthesis
54. For which is the northern blot technique used for the detection? Ans RNA
55. Deficiency of which vitamin, causes xerophthelmia? Ans Vitamin A
56. Insects that can transmit diseases to human are referred to as which name? Ans Vectors
57. Which substance found in blood which helps in cloting? Ans Fibrinogen
58. From the evolutionary point of view, which is the most primitive animal? Ans Turtle
59. What is Study of growth and development of embryo? Ans Embryology
60. Which fungus is responsible for the tikka disease of groundnut? Ans Cercosplora personata

61. What is the Branch of science which deals with the study of skin of man? Ans Dermatology
62. What is treatment of body defects through massage and exercise? Ans Physiotherapy
63. What is the Study of the effects of toxic chemical substance on animal and plant? Ans Toxicology
64. Which of a species describes the tropic function it fills in its environment? Ans Niche
65. By which is the Atmosphere of big metropolition cities is polluted most? Ans Automobile exhausts
66. Sound become hazardous noise pollution at which level? Ans Above 80 dB
67. The massive hole in the ozone layer over the Antarctica was first discovered in which year? Ans 1985
68. Which part of brain is centre of thirst hunger and sleep? Ans Hypothalmus
69. Lathyrism is caused by excessive consumption of which thing? Ans Khesari Dal
70. What is the Study of pulse and arterial blood pressure called? Ans Sphygmology

71. Which Biologist proposed the theory of Germ plasm? Ans Weisman
72. What is Study of inter relationship between living organism and their environment? Ans Ecology
73. Which disease is caused due to presence of excess arsenic in water? Ans Skin Cancer
74. Which scientist studied about wheat rust problem? Ans K. C. Mehta
75. Reduced leaves and sunken stomata are the main feature of which thing? Ans Xerophytes
76. Which part of blood carry out the function of body defence? Ans White blood cell
77. What is the smallest part of DNA that undergoes recombination? Ans Recon
78. Which organs has its own wave of autonomic excitation? Ans Heart
79. What is the transmission of characters from one generation to next? Ans Heredity
80. What is the term for the maximum number of individuals that an area can support indefinitely? Ans Carrying capacity

81. Which branch of biology is concerned with study and function of internal organ of organism? Ans Physiology
82. What is considered as the easily digestable source of protein? Ans Soyabean
83. What is the main cause of extinction of species from tropics? Ans Deforestation
84. Which organisation is responsible for maintaing Red data book? Ans IUGN
85. Who got noble prize for artificial synthesis of DNA? Ans Kornberg
86. Which stage of development of insect is most harmful for crop? Ans Caterpillar
87. Which is responsible for red rot of sugarcane? Ans Collectorichum falcatum
88. What is the number of plant species estimated to be present in India? Ans 40,000
89. What is the short upper part of human intestine next to the stomach? Ans Duodenum
90. Which worm reach into intestine of human by eating leaf? Ans Tape worm

91. Which fungus is responsible for disease late blight of potato? Ans Phytophthora infestans
92. Which branch of biology deals with the study of processing and preservation of food? Ans Food technology
93. Who published the book ‘Origin of species by natural selection in 1859’? Ans Darwin
94. Which organelles in the cell, other than nucleus contains DNA? Ans Mitochondria
95. What is abiotic component of ecosystem? Ans Water
96. Which is the phylum that includes exclusively marine animal? Ans Echinodermata
97. Epiphytes are plant which depend on other plants for which purpose? Ans Mechanical support
98. Ultimate environmental hazard to mankind, why? Ans Due to Nuclear pollution
99. What amount of energy transfered from one trophic level to next? Ans 10%
100. Which Scientist first explained about circulatory system? Ans William Harvey

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