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