GS Biology Questions and Answers
GS Biology questions with answers enhance your general science knowledge, especially for exams like SSC, Railways, and UPSC. Biology is an important branch of general science that deals with the study of life, organisms, and their vital processes. These general science questions and answers cover topics such as cells, human anatomy, genetics, and ecology — frequently asked in competitive exams. Practicing these questions helps you understand biological concepts clearly and boosts your score in the general awareness section. Strengthen your science fundamentals and prepare effectively for multiple-choice questions in upcoming tests.
GS Biology
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195 questions
42. Littoral form of animals is found-
- In fresh water
- In sea water near the shore
- In deep sea
- At the bottom of the sea
44. Which of the following secretions associated with digestion does not have enzymes ?
- Bile
- Gastric juice
- Saliva
- Pancreatic juice
45. Yellow fever is transmitted by-
- Female Culex
- Female Anopheles
- Female Aedes
- Housefly
46. The covering membrane of the vacuole is known as-
- Tonoplast
- Cell wall
- Plasma layer
- None of these
48. ‘Quartan malaria’ is caused by-
- Plasmodium vivax
- Plasmodium malariae
- Plasmodium ovale
- Plasmodium falciparum
49. The word ‘species’ was coined by-
- John Ray
- Mayer
- J. Huxley
- C. Linnaeus
50. An embryo of chick with 7 pairs of somites is-
- 20 hours old
- 22 hours old
- 24 hours old
- 18 hours old