GK Biology Questions and Answers
General Knowledge Biology Questions with Answers test knowledge of plants, animals, and human biology. Commonly seen in SSC, UPSC, and NDA exams, they help candidates strengthen concepts of life sciences
GK Biology
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77 questions
73. Nitrogen is fixed in ecosystems in ways stated below. Which one of the statements below is false?
- By cyanobacteria
- By electrical discharges in the atmosphere
- By industrially synthesised fertilizer
- By denitrification
74. Ptyalin is an enzyme produced in the
- salivary glands
- pituitary glands
- thyroid glands
- pancreas
75. Mycobacterium leprae causes leprosy, Corynebacterium diphtheria causes diphtheria and Vibrio comma causes
- tetanus
- influenza
- cholera
- typhoid
76. In which decade was the American Institute of Electrical Engineers (AIEE) founded?
- 1850s
- 1880s
- 1930s
- 1950s
77. What is part of a database that holds only one type of information?
- Report
- Field
- Record
- File