MCQs Zoology-35 Posted on 2025-11-232025-11-24Author admin 0 1. What is the main aim of the Montreal Protocol? Prevent pollution Conserve biodiversity Reduce greenhouse gas emissions Protect the ozone layer 2. What is soil fauna? Animals that live in soil Minerals in soil Plants that grow in soil Microorganisms in soil 3. Intensifying population density in cities is termed ________ Urbanization pressure Carrying pressure Demographic transition Density compensation 4. Habitats that depend on immigrants to maintain their populations are ________ Sink habitats Source habitats Refugia Core areas 5. Human ecological limits, as discussed by Cohen (1995), refer to ________ Genetic load Cultural niche breadth Local species richness Planetary carrying capacity 6. Mangrove distribution is largely influenced by ___________ Wind dispersal Altitude Tidal range and salinity Soil fertility 7. Continued population growth despite declining fertility results from ________ Population crash Ecological footprint Trophic pressure Population momentum 8. What are the key functions of earthworms in soil? Nitrogen fixation Decompose organic matter and aerate the soil Aerate soil Decompose organic matter 9. Carrying capacity refers to ____________ Number of births per year Maximum population size the environment can sustain Resources per individual Maximum growth rate 10. Lower infant mortality generally results in ________ Lower fertility Higher population growth Faster aging Negative growth rate Loading …