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
61. Photosynthetic pigments in chloroplast are embedded in membrane of-
- Thylakoids
- Photoglobin
- Matrix
- Envelope of chloroplast
62. The rate of photosynthesis is maximum in-
- Green light
- Blue light
- Red light
- White light
64. How many ATP molecules are produced, as a net gain, during the complete breakdown of glucose ?
- 36
- 28
- 12
- 18
66. For entry in gene pool, a mutation occur in-
- Somatic cells
- Germ cells
- Plasma proteins
- Somatic DNA
67. Vessels diffier from tracheids-
- In being living
- In being derived from a single cell
- In having vertical row of cells and their cross wall dissolved
- Because they conduct water
69. After transcription, the mRNA molecule-
- Disintegrates
- Moves into cytoplasm
- Replicates itself
- Reassociates to form its structure
70. Fossilization is also known by the-
- Acclimatzation
- Pasteurization
- Preservation
- Tyndallization