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