MCQs Biology-21 Posted on November 28, 2025November 28, 2025Author agropublishers 0 MCQs Biology-21 1. Eructation in ruminants refers to ———- Release of fermentation gases Movement of food to the omasum Absorption of volatile fatty acids Regurgitation of cud 2. What is soil fauna? Animals that live in soil Minerals in soil Microorganisms in soil Plants that grow in soil 3. The term “canopy” in a forest stand refers to __________ Root system Trunk of trees Forest floor Foliar cover 4. Sustainable Development Goals (SDGs) are a set of ________ global goals 10 global goals 12 global goals 15 global goals 17 global goals 5. Chemical degradation of persistent organic pollutants (POPs) in soil is predominantly influenced by the presence of____________ Mycorrhizal Fungi Soil Nutrient Status High Oxygen Concentrations Redox Conditions 6. Protista are diverse group of microrganisms, and are believed as precursors of __________ Cyanobacteria Plants Blue-green algae Bacteria 7. The earliest archaeologically documented fruit used by humans is the_________ Date palm Olive Grape Fig 8. The IUCN Red List categorizes species based on their —————- Conservation status Evolutionary history Population size Geographic range 9. The wavelength range that constitutes Photosynthetically Active Radiation (PAR) is______ 200–300 nm 300–500 nm 700–900 nm 400–700 nm 10. Which of the following environments can serve as a natural habitat for free-living amoebae? Freshwater bodies like lakes and ponds Marine and brackish water sediments All of these Damp terrestrial soil and leaf litter Loading … Question 1 of 10
