Unit 01 | Grade08 | General Science | Quiz Posted by DarsGhah | Jan 24, 2025 | Grade 08, MCQ's | 0 | Welcome to Quiz of Grade 08_General-Science_Unit 01 Name Email Roll No. Class/Section 8A 8B 8C 8D 8E 8F Those agents which causes diseases are called? Parasites bacteria pathogens None of these None photosynthesis and respiration run in ____ way to keep oxygen and carban dioxide in balance? Same Opposite both all true None which one is at the base of pyramid of energy ? tertiary consumers producers Primary consumers None of these None Aquatic life on earth is __? 70% 80% 90% 71% None Fungi and bacteria are examples of? producers consumers decomposers carnivors None Epiphyte on the tree is the example of which type of relationship? Mutualism Commensalism parasitism symbiosis None Which one of following is not a predator? 🐸 Frog 🦁 Lion 🐻 Bear 🦌 Deer None Most common interactions in ecosystem is/are ? Competition predation symbiosis All of these None Study of relationship between organisms and their environment is called? Biology biodiversity Ecosystem Ecology None Atmosphere has how much carbon dioxide? 21% 0.03% 0.04% 75% None Which are the products of respiration? Glucose and oxygen water and carbon dioxide oxygen only None of these None Which one changes the ecosystem? Hunting Migration Introducing new species All of these None A species whose not a single individual is alive on earth is called? Endangered Clean sweep Extinct All of these None Species whose member are less in number but not completely destroyed from earth. those are called? endangered species Extinct species no such thing happens all of these None Which one is endangered specie of pakistan? Blue whale Indus dolphin Panda Kangroo None Time's up