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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357 questions
201. Pasteur succeeded in disproving the spontaneous generation theory because
- he was lucky
- he ingeniously designed flasks that allowed air but not microorganisms
- sample yeast was dead
- the laboratory was very clean
202. The first organisms were
- primitive eukaryotes
- aerobic bacteria
- prokaryotic
- photosynthetic
203. Why was the primitive atmosphere of Earth more beneficial to the origin of life than the modern atmosphere?
- It had an ozone layer protecting cells
- It was reducing, facilitating complex molecule formation
- It was oxidizing, facilitating complex molecule formation
- It had less free energy, protecting organisms
204. Russian scientist who proposed the theory of origin of life was
- Oparin
- Miller
- Haldane
- Fox
205. In laboratory simulation of early Earth, Miller and Urey observed abiotic synthesis of
- amino acids
- coacervates
- DNA
- liposomes
207. Biologists who study the sequences of organisms in the fossil record are
- taxonomists
- palaeobiologists
- misologists
- systematists
209. The "Golden age of Reptiles" was
- Late Paleozoic
- Cenozoic
- Mesozoic
- Proterozoic
210. The fossil remains of Archaeopteryx is a connecting link between
- amphibians
- reptiles and birds
- fish and amphibians
- reptiles and mammals