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
122. Kidneys are vital organs of the body because they help in-
- Regulation of body fluids
- Regulation of acid-base balance
- Removal of metabolic wastes
- All of these functions
123. The infective stage of malarial parasite is-
- Trophozoite
- Merozoite
- Sporozoite
- Cyst
125. Ordinary table salt is sodium chloride. What is baking soda?
- Potassium chloride
- Potassium carbonate
- Potassium hydroxide
- Sodium bicarbonate
126. Ozone hole refers to
- hole in ozone layer
- decrease in the ozone layer in troposphere
- decrease in thickness of ozone layer in stratosphere
- increase in the thickness of ozone layer in troposphere
127. Plants receive their nutrients mainly from
- chlorophyll
- atmosphere
- light
- soil
128. Movement of cell against concentration gradient is called
- osmosis
- active transport
- diffusion
- passive transport
129. Photosynthesis generally takes place in which parts of the plant?
- Leaf and other chloroplast bearing plants
- steam and leaf
- Roots and chloroplast bearing plants
- Bark and leaf
130. Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to
- angiosperms
- gymnosperms
- monocotyledons
- dicotyledons