Posted inunclassified Biology: Ecology Posted by By Agodirin December 20, 2024 Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 1 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950 Created by Agodirin Ecology 1 / 50 1. which of the following causes soil pollution A) dumping of garbage B) plantign trees C) dredging D) Using pesticides The use of pesticides contributes to soil pollution through chemical residues that can harm soil health. Dredging and dumping of garbage can also cause pollution, but planting trees helps improve soil quality. 2 / 50 2. which of the following is not correct A) epiphytes are plants that live on other plants B) xerophytes are plants that live on land with plenty of water and sand C) mesophytes are plants that live on land with just enough water D) hydrophytes are plants that live on water Xerophytes are adapted to survive in arid environments with scarce water, not areas with plenty of water. 3 / 50 3. a density factor that regulates the population of organisms in an area is A) fire outbreak B) drought C) disease outbreak D) flood Disease can significantly affect population density by increasing mortality rates, unlike factors like flood or drought, which can cause temporary changes. 4 / 50 4. which of the following causes acid rain A) carbondioxide B) sulphur dioxide C) hydrocarbon D) oxygen Sulphur dioxide is a primary contributor to acid rain, as it reacts with water in the atmosphere to form sulfuric acid. 5 / 50 5. which of the following is systems is absent in a tapeworm A) alimentary system B) circulatory system C) nervous system D) reproductive system Tapeworms do not have a circulatory system; they rely on diffusion for nutrient and gas exchange. They also lack an alimentary system 6 / 50 6. Which of the following is not faced with the uncertainty of hunting for food A) hyena B) snake C) goat D) hawk Goats are herbivores that graze on plants, and they have a predictable food source. In contrast, hyenas, snakes, and hawks rely on hunting, which involves uncertainty in finding prey. 7 / 50 7. what is the function of contractile vacuole in paramecium A) for mobility B) for expelling excess water C) for absorbing nutrients D) for absorbing oxygen The contractile vacuole functions to expel excess water that accumulates in the cell, maintaining osmotic balance. 8 / 50 8. which of the following is not correct about tapeworm A) it is flat or plathyhelminth B) it is hermaphrodite C) it has a hook for digging soil D) it feeds by diffusion Tapeworms do not have hooks for digging; they have hooks or suckers for attachment to the host's intestinal wall. 9 / 50 9. which of the following is not correct A) symbiosis is relationship in which both parties benefit B) mutalism is relationship in which both parties benefit C) commensalism is relationship in which no party benefits D) parasitisim is relationship in which one party benefits Commensalism is actually a relationship where one party benefits while the other is neither 10 / 50 10. which of the following is not an effect of noise pollution A) headache B) deafness C) restlessness D) malnutrition Noise pollution primarily affects health and well-being, leading to issues like deafness, restlessness, and headaches, but it does not directly cause malnutrition. 11 / 50 11. which of the following is not correct A) birds that feed on nectar have long slender beak B) birds that feed on grains have long wide beaks C) birds that feed on fish have long pointed beaks D) birds that hunt preys have curved strong beak Birds that feed on grains typically have stout, short beaks suitable for cracking seeds, not long wide beaks. 12 / 50 12. Which of the following is not correct A) the part of water plant below the water level have thin cuticle B) hydrophytes have less developed roots compared to terrestrial plants C) hydrophytes have well developed conducting system to transport water D) water plants have air spaces for holding oxygen Hydrophytes often have less developed conducting systems compared to terrestrial plants because they live in water, where water is readily available. 13 / 50 13. which of the following least affects population size A) variation B) immigration C) abiotic factor D) disease Variation refers to genetic diversity within a population and does not directly affect population size like disease, immigration, or abiotic factors do. 14 / 50 14. which of the following is not a common cause of water pollution A) nuclear waste B) household wastes C) industrial waste D) agricultural waste While nuclear waste can contaminate water, it is not as common as agricultural waste, household wastes, or industrial waste, which frequently contribute to water pollution. 15 / 50 15. what are fallouts A) radiation particles after nuclear explosion B) combination of soot and water C) combination of sandstorm and lightening D) combination of hydrocarbon and nitrogen Fallouts refer to the radioactive particles that fall to the ground after a nuclear explosion, posing serious health risks. 16 / 50 16. which of the following is not caused by food shortage A) canibalism B) increase natality C) migration D) competition An increase in natality (birth rate) typically occurs when resources are plentiful, not during food shortages. Food shortages can lead to competition, cannibalism, and migration, but not to increased birth rates. 17 / 50 17. which of the following is not correct about smog A) it occurs in small undeveloped cities B) smoke damages vegetations C) it is a combination of smoke, chemical polutant and water droplet D) smoke damages lungs , eyes and nose Smog typically occurs in large, industrialized cities due to high levels of pollution, not primarily in small or undeveloped areas. 18 / 50 18. which of the following worms is transmitted by mosquito A) tapeworm B) filarial worm C) round worm D) pin worm Filarial worms are transmitted by mosquito bites, causing diseases like lymphatic filariasis, whereas the other worms listed do not have mosquito vectors. 19 / 50 19. which of the following is not present in tapeworm A) nervous system B) respiratory tube C) circulatory system D) reproductive system Tapeworms do not have a respiratory system; they exchange gases through their body surface 20 / 50 20. which of the following is water storage structure in plants A) succulent B) cuticle C) xylem D) stomata Succulents are specialized plant structures that store water, allowing plants to survive in dry conditions. 21 / 50 21. which of the following is not a way of preventing soil pollution A) manuring and prevening over grazing B) preventing soil erosion C) proper waste disposal D) crop rotation Proper waste disposal is a general practice for managing waste, but it is not specifically a method for preventing soil pollution compared to crop rotation, manuring, and preventing overgrazing. 22 / 50 22. Which of the following is not correct about the proglottis of tapeworm A) each segment has stomach and intestine for feeding B) a new proglottis is formed near the head or scolex C) A proglottis is a single segment of the tapeworm D) each proglottis has male(testis) and female organ(ovary) for hermaphroditic reproduction Proglottids do not have a digestive system; they absorb nutrients through their body surface. 23 / 50 23. which of the following is not a cause of water pollution A) agricultural waste B) dredging C) fishing D) crude oil drilling Fishing itself does not directly cause water pollution. In contrast, crude oil drilling, dredging, and agricultural waste are activities that can lead to water contamination. 24 / 50 24. which of the following is not correct about desert plants A) they have long deep roots B) they have spines instead of leaves C) they have succulent for water storage D) they are epiphytes Desert plants are generally not epiphytes, which grow on other plants; they are adapted to survive in arid conditions 25 / 50 25. Which of the following is not correct about a tapeworm (Taenia ) A) tapeworm has a knoblike head called scolex B) tapeworm interact with man in a symbiotic behavior C) tapeworm feed by diffusion through body surface D) tape worm has no alimentary canal Tapeworms are typically parasitic and cause harm to their hosts rather than providing mutual benefits, which is what symbiosis implies 26 / 50 26. what is the goal of color adaptation A) to attract mating partner B) to attract prey C) to prevent water loss D) to escape predator Color adaptation often serves to camouflage organisms, helping them avoid predation. 27 / 50 27. which of the following is not a mutualistic relationship A) epiphyte and tall trees B) cattle and cattle egret C) flatworm and intestine of man D) rhizobium and leguminous plant root The relationship between flatworms and the human intestine is parasitic. In contrast, rhizobium and leguminous plants, epiphytes and tall trees, and cattle and cattle egrets all demonstrate mutualism, where both parties benefit. 28 / 50 28. which of the following least affects population size A) countershading B) food availability C) water supply D) disease Countershading is a form of camouflage that helps animals avoid predation, but it does not directly influence population size. In contrast, food availability, disease, and water supply are critical factors that can significantly impact population dynamics. 29 / 50 29. which of the following is not correct about nematodes A) they have well developed alimentary system B) they are hermaphrodites C) they have cylindrical body D) they have simple nervous system While some nematodes are hermaphroditic, many have separate sexes. The other statements are generally true for nematodes. 30 / 50 30. which of the following is not a way of preventing soil pollution A) preventing overgrazing B) Killing pests with pesticides C) crop rotation D) preventing deforestation While killing pests with pesticides can control pests, it can also lead to soil pollution due to chemical residues. Preventing overgrazing and deforestation, as well as crop rotation, are effective strategies for preventing soil pollution. 31 / 50 31. which of the following causes acid rain A) hydrocarbon B) neon C) oxide of Nitrogen D) carbondioxide Oxides of nitrogen also contribute to acid rain, reacting with water to form nitric acid. 32 / 50 32. which of the following is not an effect of noise pollution A) poor sleep B) blindness C) headache D) high blood pressure Noise pollution can lead to various health issues such as poor sleep, headaches, and high blood pressure, but it does not cause blindness. 33 / 50 33. which of the following is the function of the ozone layer A) prevent excess irradiation from the earth B) prevent flooding C) prevent lightening D) prevent sandstorm The ozone layer protects the Earth by absorbing the majority of the sun's harmful ultraviolet (UV) radiation, preventing excessive irradiation. 34 / 50 34. which of the following is not correct A) large acquatic animals have well developed support system than terrestial animals B) the vacuole of amoeba is for osmoregulation C) the cuticle of plant is an adaptation to prevent water loss D) the body fluid of fresh water organism are more concentrated than the surround fresh water Large aquatic animals typically have buoyancy support from water, reducing the need for a robust skeletal structure compared to terrestrial animals, which require strong support systems against gravity. 35 / 50 35. which of the following is caused by blackfly A) night blindness B) River blindness C) elephantiasis D) anemia River blindness (onchocerciasis) is caused by the filarial worm transmitted by blackflies. 36 / 50 36. which of the following is not a way of clearing crude oil pollution of water A) using chemical dispersants B) using adsorbents to remove the oil C) dredging D) growing oil eating bacteria Dredging is used to remove sediment and debris from the bottom of water bodies, but it is not effective for clearing crude oil. The other methods (using adsorbents, growing oil-eating bacteria, and using chemical dispersants) are specifically designed to address oil pollution. 37 / 50 37. Which of the following is not a parasitic adaptation A) hermaphrodite nature B) presence of hook C) presence of nephridium D) presence of haustorium or sucker Nephridia are excretory organs found in some invertebrates, not specifically adaptations for parasitism. The other options (haustorium, hook) are adaptations that assist in attachment and nutrient absorption 38 / 50 38. which of the following is not correct about mesophytes A) they have large leaves B) they have waxy cuticle C) the have poorly developed roots D) they live on land with just enough water Mesophytes, which thrive in environments with moderate water availability, typically have well-developed roots to access moisture. 39 / 50 39. which of the following is not corect about tapeworm A) the head has a scolex B) each proglottides has a reproductive system C) it has mouth and well developed intestinal tract D) it has segments called proglottides Tapeworms lack a mouth and digestive tract; they absorb nutrients directly through their skin. 40 / 50 40. which of the following is not caused by tapeworm A) rickets B) anemia C) malnutrition D) indigestion Rickets is primarily caused by a deficiency of vitamin D, calcium, or phosphate, not by tapeworm infection. The other conditions (anemia, malnutrition, indigestion) can be related to parasitic infections. 41 / 50 41. Which of the following is not a parasitic adaptation A) ability to burrow or penetrate tissue B) ability to cling C) ability to produce enzymes that dissolve tissue D) ability to moult The ability to moult is a general adaptation seen in many organisms for growth and development, not specifically a parasitic adaptation. The other options directly relate to adaptations that help parasites survive in their hosts. 42 / 50 42. which of the following is not correct about nematodes A) they have nervous system B) they are roundworms C) the have separate male and female D) they feed by diffusion Nematodes have a complete digestive system and do not rely on diffusion for feeding. They actively ingest food. 43 / 50 43. which of the following is not correct about adaptation in plants A) the have waxy leaves for preventing water loss B) the have swollen stem for water storage C) they have stomata for absorbing oxygen D) they have roots for absorbing water Stomata are primarily for gas exchange, allowing for the uptake of carbon dioxide and the release of oxygen, not for absorbing oxygen directly. 44 / 50 44. Which of the following is not a parasitic adaptation of tapeworm A) hermaphrodite nature B) ability to live in the absence of oxygen in the intestine C) ability to make use of established food chain(from grass to cow and to man) D) ability to produce few tiny eggs This refers to a food chain, not an adaptation of the tapeworm itself. Tapeworms exploit hosts for nutrients rather than utilizing the food chain. 45 / 50 45. which of the following is not a adaptation for acquatic life A) long neck B) development of tail C) development of gills D) steamlined body structure A long neck is not a typical adaptation for aquatic life. Adaptations like gills, streamlined bodies, and a development of tails are common in aquatic organisms. 46 / 50 46. which of the folowing is not corect about xerophytes A) they have succulent B) they have broad leaves C) they live in desert D) they have long deep roots Xerophytes typically have narrow or reduced leaves to minimize water loss, not broad leaves. 47 / 50 47. A plant that grows on another plant without harming the host is A) ectoparsite B) thallophyte C) saprophyte D) epiphyte Epiphytes live on other plants but do not harm them, unlike parasites, which take nutrients from the host. 48 / 50 48. which of the following is the correct order of food chain A) grasshopper, agama lizard, hawk, snake B) grass, lion, antelope, man C) grass, grasshopper, snake, fowl D) grass, grasshopper, toad, snake, hawk This sequence represents a correct food chain, starting from a primary producer (grass) to primary consumers (grasshoppers), and then moving up to secondary consumers (toads), tertiary consumers (snakes), and finally quaternary consumers (hawks). 49 / 50 49. which of the following is not correct about the relationship between rhizobium and leguminous plants A) the plant root provide organic nutrients(sugar and nutrients) for rhizobium B) it is mutualistic C) rhizobium fixes nitrogen in the soil to nourish the plant D) rhizobium causes blighting of the plant leaves This statement is incorrect; rhizobia form a mutualistic relationship with leguminous plants, fixing nitrogen and providing benefits rather than causing harm. 50 / 50 50. dumping pile of sewage and garbage on land is A) air pollution B) environmental pollution C) soil pollution D) land pollution The act of dumping sewage and garbage on land results in land pollution, which negatively impacts soil and the surrounding environment. 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