MCQs Biology-19 Posted on November 27, 2025December 3, 2025Author agropublishers 0 MCQs Biology-19 1. Chemosynthetic bacteria do not require ——– to synthesize their food Nitrogen Sunlight Chemical energy Inorganic compounds 2. ————- bacteria are primarily involved in composting Chemosynthetic Parasitic Saprophytic Nitrogen-fixing 3. In the early 1800s, the term biology, in its modern sense, was introduced by scientists from __________ Turkey Japan Italy Germany 4. In humans, the main function of bile in digestion is to ——— Activate pepsin Hydrolyze lipids Digest proteins Emulsify fats 5. Protista are diverse group of microrganisms, and are believed as precursors of __________ Blue-green algae Plants Cyanobacteria Bacteria 6. __________ is scientific discipline which deals with the study of fossils Social biology Historical Biology Environmental Biology Palaeontology 7. Horticulture deals with —————– Molecular genetics Cultivation of fruits, vegetables, and ornamental plants Cultivation of cereal and legume plants Cultivation of mushrooms and silkworm 8. Endocrinology is the branch of biology and medicine that deals with the scientific study of ———— Digestive enzymes Hormones and glands Nervous system Genes 9. Which phase of mitosis is most similar to meiosis II? Telophase Metaphase Anaphase Prophase 10. Genetic drift contributes to loss of heterozygosity at a rate inversely proportional to __________. Population size Selection pressure Gene flow Mutation rate Loading … Question 1 of 10
