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