A) Dodder B) Sundew C) Butterwort D) Aphids
A) Holozoic nutrition B) Saprophytic nutrition C) Parasitic nutrition D) Holophytic nutrition
A) Symbiotic nutrition B) Saprophytic nutrition C) Parasitic nutrition D) Chemosynthetic nutrition
A) Proboscis B) Sponge C) Maxillae D) Labrum
A) Housefly B) Tapeworm C) Dodder D) Grasshopper
A) Mosquito B) Rhizopus C) Pitcher- plant D) Aquatic organisms
A) Synecology B) Ecosystem C) Ecological niche D) Autecology
A) Synecology B) Ecology C) Biome D) Autecology
A) Monossacharides B) Polysaccharides C) Disaccharides D) Monosaccharides
A) Mosquito larva B) Filter feeders C) Insectivorous plants D) Microphagous feeders
A) Nitrosomonas B) Clostridium C) Nitrobacter D) Azotobacter
A) Protista B) Pyrrophyta C) Blue-green alga D) Cyanophyta
A) Flagella B) Pellicle C) Cilia D) pseudopodia
A) Their floral parts exists in groups of four or five B) The vascular bundles of the stem are scattered C) They have tap root D) They usually undergo secondary growth
A) Mineral gas B) Sunlight C) Chlorophyll D) Carbondioxide and water
A) Nicotinamine adenine dinucleotine phosphate B) Nicotinamide adenine dinucleotide phosphate C) Nicotine adenine dinucleotide phosphate D) Nicotinamide adenine dinucleotide phosphine
A) They are complex , multicellular green plants B) They are non - vascular plants C) Their cells are differentiated into tissues D) They have true roots, stems and leaves
A) It releases toxic chemicals B) It provides food for all living organisms C) It serves as a building block for other substances D) It releases oxygen to the environment.
A) Carbondioxide is reduced to sugar B) The light energy is captured by chlorophyll and electrons are excited. C) Hydroxyl is converted to water and oxygen is produced as by product D) The energy split water into hydrogen ions and hydroxyl ions.
A) Internal structural specialisation B) Mutual interdependence between component cells C) Increase adaptation to the environment. D) It leads to a slower rate of diffusion
A) The disposal of waste materials in the environment. B) The extraction and exploitation of non-renewable resources. C) The depletion of renewable resources for human use. D) The preservation and sustainable use of natural resources.
A) Water and air. B) Landfills and waste dumps. C) Plastic and synthetic materials. D) Fossil fuels and minerals.
A) By using resources efficiently and promoting sustainable practices. B) By overexploiting resources to meet increasing demands. C) By relying solely on technological advancements to replace resources. D) By ignoring the impact of human activities on the environment.
A) Environmental Protection Agency (EPA). B) United Nations Educational, Scientific and Cultural Organization (UNESCO). C) International Space Agency (ISA). D) World Health Organization (WHO)
A) Excessive funding and resources allocated to conservation efforts B) Increased pollution levels in protected areas. C) Extinction of species due to overprotection D) Lack of public awareness and participation
A) Accelerated climate change and global warming. B) Decreased biodiversity and ecosystem stability. C) Sustainable use of resources and preservation of natural habitats. D) Increased pollution and habitat destruction.
A) The acceptance of diverse cultural practices within a community B) The ability of organisms to withstand extreme temperatures C) The capacity of organisms to adapt to environmental stressors. D) The extent to which organisms can reproduce successfully.
A) b) The range of temperatures where organisms can reproduce effectively. B) The range of temperatures where organisms cannot survive. C) The range of temperatures where organisms can survive but not thrive. D) The range of temperatures where organisms experience minimal stress.
A) b) The number of species present in a given geographic location. c) The range of latitudes where a species can be found. d) The migratory pattern of organisms across continents. B) The number of species present in a given geographic location. C) The total land area covered by a particular organism or species. D) The range of latitudes where a species can be found.
A) The process of evolution through natural selection. B) The adjustment of organisms to their environmental conditions. C) The ability of organisms to change their habitat D) The interdependence of organisms within an ecosystem.
A) It influences the development of specialized structures or behaviors. B) It limits the growth of populations C) It disrupts the genetic diversity of species. D) It accelerates evolutionary processes
A) Paramecium B) Amoeba C) Bacteria D) Earthworm
A) Strong jaws for hunting. B) Wings for flight C) Scales for protection D) Gills for respiration
A) Gills for respiration. B) Lungs for breathing in water C) Webbed feet for swimming. D) Legs for hopping on land.
A) Suction cup-like toes for climbing B) Shells for protection C) Long tongues for catching prey. D) Poison glands for defense.
A) Camouflage for blending with the surroundings. B) Pouches for carrying offspring. C) Wings for flying. D) Large ears for enhanced hearing.
A) Shells for protection. B) Long necks for reaching leaves. C) Sharp beaks for cracking seeds. D) Hibernation during extreme temperatures
A) Antlers for mating displays. B) Spines for defense. C) Trunks for storing water. D) Hooves for running on land.
A) Compound eyes for a wide field of vision. B) Suction cups for attaching to surfaces. C) Poisonous stingers for defense. D) Feathers for insulation
A) Pouches for carrying young. B) Scales for protection. C) Beaks for feeding on nectar. D) Feathers for flight.
A) The accumulation of greenhouse gases B) The preservation of natural resources. C) The introduction of harmful substances into the environment. D) The natural balance of ecosystems
A) Air, water, soil, and noise pollution. B) Acid rain, deforestation, and ozone depletion C) Global warming, overfishing, and habitat destruction. D) Noise, light, and thermal pollution
A) Sources: Industrial emissions; Causes: Burning fossil fuels; Effects: Respiratory illnesses. B) Sources: Noise from transportation; Causes: Overfishing; Effects: Disruption of aquatic ecosystems. C) Sources: Pesticides and herbicides; Causes: Deforestation; Effects: Soil erosion. D) Sources: Oil spills; Causes: Industrial waste; Effects: Water contamination.
A) By implementing proper waste treatment and management. B) By using plastic extensively for packaging. C) By reducing carbon dioxide emissions. D) By promoting deforestation for agricultural purposes.
A) Increasing the use of chemical fertilizers. B) Disposing of hazardous waste in landfills. C) Implementing sustainable farming practices. D) Encouraging deforestation for urban development.
A) They do not reproduce. B) Through both sexual and asexual reproduction. C) Through sexual reproduction only. D) Through asexual reproduction only.
A) Asexual reproduction B) Binary fission C) Multiple fission. D) Sexual reproduction.
A) Through sexual reproduction B) Through asexual reproduction. C) Through multiple fission D) Through binary fission
A) Asexual reproduction B) Multiple fission. C) Sexual reproduction. D) Binary fission
A) Internal fertilization. B) External fertilization. C) Parthenogenesis D) Binary fission. |