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