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
151. Movements due to light are shown by
- flowering plants
- lower plants
- all land plants
- all the plants
152. Plants are killed in winter by frost
- because of desiccation and mechanical damage to the tissues
- because no photosynthesis takes place at such low temperature
- because respiration ceases at such low temperature
- because there is no transpiration
154. One of the following is most suitable for study of mutations
- Haploids
- Diploids
- Tetraploids
- Polyploid
155. Plants that grow under average temperature and moisture are called
- halophytes
- hydrophytes
- mesophytes
- xerophytes
157. Organic Substances which, in very small amounts, control growth and development called
- vitamins
- hormones
- enzymes
- None of the above
159. Oxyreductases, transferases, hydrolases, lyases, isomerases and ligases are all classes of
- hormones
- enzymes
- proteins
- vitamins
160. On which of the following plants did Gregor Mendal perform his classical experiment?
- Gram
- Maize
- Pea
- Wheat