Question 0A plant which grows on another plant without apparent harm to the host plant is calledA.a parasiteB.an epiphyteC.a saprophyteD.a predatorE.a hermaphroditeObjective Show full explanation
Question 0Given the equation: 6CO2 + 6H2O → C6H12O6 + 6O2 {Under sunlight & Chlorophyll) The process represented by the above equation isA.proteinsynthesisB.respirationC.photosynthesisD.transpirationE.translocationObjective Show full explanation
Question 0Given the equation: 6CO2 + 6H2O → C6H12O6 + 6O2 {Under sunlight & Chlorophyll) The oxygen given off during the above process is derived fromA.sunlightB.chlorophyllC.carbon dioxideD.atmosphereE.waterObjective Show full explanation
Question 0One of the function of xylem isA.strengthening the stemB.manufacturing foodC.reducing loss of waterD.conducting manufactured foodE.storing unused sugarObjective Show full explanation
Question 0People suffering from myopiaA.can see near object clearlyB.can see far away object clearlyC.cannot see any object clearlyD.are colour blindE.are able to see clearly in the darkObjective Show full explanation
Question 0The cilia in paramecium are use forA.respiratingB.locomotionC.protectionD.regulating food intakeE.excretionObjective Show full explanation
Question 0Euglena may be classified as a plant because itA.has chloroplastB.has a gulletC.lives in a pondD.possesses a flagellumE.has pellicleObjective Show full explanation
Question 0A trawler on a fishing trip caught a type of animal with hairs on its body. This animal could have beenA.An amphibianB.a reptileC.a sharkD.a mammalE.a seagullObjective Show full explanation
Question 0which of these type of skeleton is most appropriate for a cockroach?A.Hydrostatic skeletonB.ExoskeletonC.EndoskeletonD.Cartilaginous skeletonE.Bony skeletonObjective Show full explanation
Question 0when protein are broken down they also provideA.oxygenB.carbonhydrateC.energyD.amino-acidE.carbon dioxideObjective Show full explanation
Question 0the function of lenticels isA.to remove excess water in plantB.to absorb water from the atmosphereC.for gaseous exchangeD.to absorb lightE.to store foodObjective Show full explanation
Question 0The following events take place during conjugation in spirogyra 1. The protoplasm of each of the conjugating cell separate from the cell wall to form a Gamete; the gamete of one filament passes through the conjugation tube to meet the gamete of the other filament 2. The zygote soon become surrounded by thick brown wall to become zygospore which burst after a short rest and germinate to produce a new filament 3. The nuclei of the gametes fuse to form a zygote 4. The protuberance meet and where they touch the cell-wall disappear so that a conjugation tube joining the two cell is formed 5. protuberance appear on the wall of the cell of two filament of spirogyra lying side by side opposite one another. Now what is the correct sequence in which the above sequence occur?A.1,2,3,4,5B.1,2,4,5,3C.3,4,5,2,1D.5,4,1,3,2E.5,4,3,1,2Objective Show full explanation
Question 0Which of the following is a characteristic of animal cell?A.Presence of chloroplastB.possession of cellulose cell-wallC.absence of large vacuolesD.presence of large vacuolesE.presence of chromosomeObjective Show full explanation
Question 0Nitrifying bacteria keep the soil fertile byA.converting nitrate to nitrogenB.converting ammonium salt to nitrateC.converting atmospheric nitrogen to plant nitrogenD.converting nitrate to nitrous oxideE.converting atmospheric nitrogen to nitratesObjective Show full explanation
Question 0In the life histroy of schistosoma (Bilharzia), one of the following is intermediate hostA.manB.snailC.mosquito larvaD.crayfishE.fishObjective Show full explanation
Question 0In which of the following groups of organisms do all the members have asexual method of reproduction?A.A geen filament algae, a flowering plant and a birdB.A toad (or frog) , ameoba and mucor ( penicillium)C.A flowering plant, tape worm (or ascaris) and a green filamentous algaeD.Mucor (or penicillium), a bird and a toad (or frog)E.Ameoba, mucor (or penicillium ) and a green filamentous algaeObjective Show full explanation
Question 0The hormone which tones up the muscles of a person in time of danger is from theA.thyroid glandB.pancreasC.adrenal glandD.liverE.spleenObjective Show full explanation
Question 0The study of organism and the environment of an abandoned farmland is the ecology of?A.a communityB.a populationC.a specieD.a habitatE.an ecosystemObjective Show full explanation
Question 0A potometer with a leafy shoot weighed 18.9g initially and weighed 17.9g after one hour. From this it follow thatA.the shoot absorbed 1g of water per hourB.1g of water per hour evaporates from the potometerC.the shoot lost 1g of water per hourD.the potometer water receded at the rate of 1g per hourE.the shoot was respiring and lost weight at rate of 1g per hourObjective Show full explanation
Question 0At fertilizationA.one chromosome from the male joins another from the femaleB.one gene from the male combines with another from the femaleC.the male nucleus fuses with the female nucleusD.one set of chromosome combines with another set from the femaleE.one cell from the male fuses with another from the femaleObjective Show full explanation
Question 0The neck region of the tape worm, (taenia) is responsible for theA.production of eggB.storage of eggC.formation of new segmentD.development of the suckersE.fragmentaion of the body segmentObjective Show full explanation
Question 0Which of these is not true of the insect? The possession ofA.two pairs of antennaeB.jointed appendagesC.exoskeletonD.three pairs of legsE.segmented bodyObjective Show full explanation
Question 0Rhizopus (or mucor)obtain its food from dead organic matter extracellularly. It is said to beA.a facultative parasiteB.saprophyteC.an obligate parasiteD.a commensalE.an autotrophObjective Show full explanation
Question 0The feature that distinguish the toad or frog from the fish is the absence ofA.scalesB.lungsC.paired appendagesD.a tailE.skin glandsObjective Show full explanation
Question 0Which of these is not associated with tadpole stages of toad or frogA.V-shaped glandB.operculumC.external gillsD.jellyE.shellObjective Show full explanation
Question 0Which of these is not associated with the movement of the toad, reptile or bird?A.HoppingB.BoppingC.FlappingD.GlidingE.PeckingObjective Show full explanation
Question 0Which of these is not a part of the feather of a bird?A.WingB.aftershaftC.Inferior umblilicusD.VaneE.BarbuleObjective Show full explanation
Question 0Which of these is not a function of the mammalian skin/A.Protection against bacteria infectionB.Excretion of waste and waterC.Production of vitamin d when exposed to sun lightD.production of pigments to reduce temperatureE.Regulation of body temperatureObjective Show full explanation
Question 0which of these elements in plants is required in small quantities onlyA.BoronB.NitrogenC.PhosphorusD.MagnesiumE.PotassiumObjective Show full explanation
Question 0a potometer was used to compare the rate of loss of the same volume of water from a plant under different environmental conditions as under a fan, at the sea shore, under the sun, in the airy laboratory and in cupboard. What time was likely to have been obtained in a cupboard?A.15 secsB.30secsC.25secsD.20secsE.28secsObjective Show full explanation
Question 0The mammalian stomach can carry out a number of processes exceptA.absorption of glucoseB.secretion of hydrochloric acidC.secretion gastric juiceD.churning of foodE.production of trypsinObjective Show full explanation
Question 0A spirogyra cell placed was placed in solution X after 1 minute the cell has been plasmolysed, solution X wasA.Tap waterB.a very strong sugar solutionC.a weak sugar solutionD.a very weak salt solutionE.distilled waterObjective Show full explanation
Question 0A farmer x working in a swamp did not eat any food nor drink any water. Which of this diseases can he not contactA.CholeraB.BilharziaC.River blindnessD.MalariaE.Sleeping sicknessObjective Show full explanation
Question 0A carbohydrate molecule in the blood in the right ventricles of the heart is pumped into the cell of the toe of a man. Which of these structure is it unlikely to pass through en-routeA.pulmonary arteryB.lungsC.HeartD.liverE.aortaObjective Show full explanation
Question 0In a photo-tropic experiment, young seedlings in a box were subjected to light from one direction. The seedling continue to grow erect. Which of the following statement is correctA.Only the tip of the seedling received the lightB.The light was not strong enoughC.The seedlings were rather too youngD.The tip of the seedling may have been coveredE.The box containing the seedling should have been placed on a laboratory benchObjective Show full explanation
Question 0Which of these is not a characteristics of a wind pollinated flowers?A.A smaller quantities of sticky pollen produceB.Feathery styles of stigmas pendulously hang outrside the flowerC.small inconspicuous scentless flowerD.large anthers which are loosley attched to the filamentE.Light pollen grains produced in large quantities from the anthersObjective Show full explanation
Question 0A germinating seed requires oxygen which is essential forA.converting carbonhydrate into glucoseB.Transporting energy from part of the plant to anotherC.The production of energy by oxidising essential carbonhydrateD.hydrolysis of proteinE.The formation of water molecules within the germinating seedObjective Show full explanation
Question 0Which of these products obtained from analyzing sweat from skin is not an excretory product?A.waterB.SaltsC.DustD.UreaE.UratesObjective Show full explanation
Question 0In a breeding program a cross was made between two true breeding cow-pea types: one with round seeds and the other with wrinkled seed. If roundness is dominant why wrinkleness is recessive, in the first filial generation all the seeds produced will beA.25% wrinkled, 75% roundB.100% wrinkledC.50% wrinkled, 50% roundD.75% wrinkled, 25% roundE.100% roundObjective Show full explanation
Question 0During reproduction of the organism in figure above the first structure to divide isA.1B.2C.3D.4E.5Objective Show full explanation
Question 0The part numbered 12 isA.pectoral finB.scaleC.opercular plateD.gill plateE.pectoral girdleObjective Show full explanation
Question 0During the movement of the fish from point A to target B, one of these parts is not involvedA.7B.5C.3D.6E.10Objective Show full explanation
Question 0The number shown as 8 refers toA.upper epidermiseB.cuticleC.stomaD.guard cellE.lower epidermisObjective Show full explanation
Question 0The structure responsible for trapping the sun's energy during photosynthesis isA.5B.6C.3D.2E.8Objective Show full explanation
Question 0Which of these plays no role in photosynthesis?A.9B.8C.5D.2E.3Objective Show full explanation
Question 0THE figure above shows diagram for the correction of shortsightedness. If the unbroken lines represents light rays from the object and the broken lines the refracted rays through the lens, which of these is correctA.AB.BC.CD.DE.EObjective Show full explanation
Question 0The figure above represents an experiment with two types of soil. The experiment demonstratesA.soil attraction of waterB.soil porosityC.soil capilarityD.draining capacity of soilsE.soil permeabilityObjective Show full explanation
Question 0Which one of the following statements about the mammalian kidney is false?A.The glomerulus is formed by a branch of the renal arteryB.The glomerulus is a part of uniferous tubulesC.Tha bowmans capsule is in the cortex of the kidneyD.The uniferous tubules are richly supplied with blood vesselsE.The glomerulusis lodged in the bowmans capsuleObjective Show full explanation
Question 0Which of these is a direct photosynthetic product?A.GlucoseB.StarchC.ProteinD.FatsE.LatexObjective Show full explanation
Question 0A germinating seed requires oxygen which is essential forA.Converting carbohydrate into glucoseB.Transporting energy from one part of the plant to anotherC.The production of energy by oxidising essential carbohydrateD.Hydrolysis of proteinsE.The formation of water molecules within the germinating seedObjective Show full explanation