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
21. Other than spreading malaria, anopheles mosquitoes are also vectors of
- dengue fever
- filariasis
- encephalitis
- yellow fever
22. Plants that grow in saline water are called
- halophytes
- hydrophytes
- mesophytes
- thallophytes
24. Placenta is the structure formed
- by the union of foetal and uterine tissue
- by foetus only
- by fusion of germ layers
- None of these
25. Plants hormone that induces cell division is
- auxins
- gibberellins
- kinins
- domins
26. Neurospora is used as genetic material because
- it has short life cycle of 10 days
- the product of single meiosis can be easily analysed
- meiotic products are linearly arranged in the form of ordered tetrads
- is a diploid fungus
27. Neurospora is used as genetic material because
- it has short life cycle of 10 days
- the product of single meiosis can be easily analysed
- meiotic products are linearly arranged in the form of ordered tetrads
- is a diploid fungus
28. out of proteins, lipids and carbohydrates present in a cell membrane, what is true?
- Lipids are maximum
- Carbohydrates are minimum
- Carbohydrates are maximum
- All three are in equal proportion
30. Of the following taxonomic categories which is the most inclusive (i.e. is the highest in hierarchy)?
- Order
- Subspecies
- Class
- Genus