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
171. Monotremes are unique mammals because they
- posses hair
- give birth to live young
- secret milk in a pouch
- lay eggs
172. Monocot root differs from dicot root in having
- open vascular bundles
- scattered vascular bundles
- well developed pith
- radially arranged vascular bundles
173. Oxygen in our blood is transported by a protein named
- haemoglobin
- keratin
- collagen
- myoglobin
174. Neurospora is used as genetic material because
- it has short life cycle of 10 days
- the product of single meiosis can be easily analysed
- meiotic products are linearly arranged in the form of ordered tetrads
- is a diploid fungus
175. Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?
- Exact concentration of solution is not given
- Character of semi permeable membrane is not given
- The flow of solution is not possible through semi permeable membrane
- All are incorrect
177. Most highly intelligent mammals are
- whales
- dolphins
- elephants
- kangaroos
178. Neurospora is used as genetic material because
- it has short life cycle of 10 days
- the product of single meiosis can be easily analysed
- meiotic products are linearly arranged in the form of ordered tetrads
- is a diploid fungus
180. Rain water helps to increase the ____ to some extent.
- phosphorous contents
- nitrogen contents
- calcium contents
- potash contents