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
111. The Glochidium larva of Unio-
- Is free swimming
- Is ectoparasite on fish
- Is endoparasite on fish
- Lives in bottom
112. The term ‘Plasmalemma’ was given by-
- C. Nageli & C. Cramer
- J.Q. Plowe
- Dancilli & Davson
- Robertson
113. Smooth endoplasmic reticulum performs- 1. Synthesis of lipids 2. Glycogenolysis 3. Sterol metabolism 4. Detoxification Codes :
- Only 4 is correct
- 1 and 2 both are correct
- 2 and 3 both are correct
- All are correct
114. The innermost layer of egg albumen in birds is called-
- Inner thin albumen
- Vitelline membrane
- Dense alburmen
- Chalaziferous layer
115. In which one of the following is the anus absent ?
- Leech
- Roundworm
- Earthworm
- Flatworm
116. Which type of jaw suspension is found in mammals ?
- Autostylic
- Holostylic
- Craniostylic
- Hyostylic
117. Synthesis of urea in liver takes place by-
- Nitrogen cycle
- Krebs’ cycle
- Glycolysis
- Ornithine cycle
119. Which of the following animals has a nervous system but no brain ?
- Amoeba
- Hydra
- Cockroach
- Earthworm
120. Aristotle’s Lantern occurs in-
- Asteroidea
- Echinoidea
- Holothuroidea
- Crinoidea