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