Question 0A population is defined as the collection ofA.Similar organism that are found in the same habitatB.Similar organisms that breed in the same habitatC.Similar organisms that interbreed freely in the same habitatD.Similar organism eating the same foodE.Different organisms in the same habitatObjective Show full explanation
Question 0Which of these combinations is common to plant and animal cells?A.Centriole, middle lamella, golgi bodies, mitrochondrionB.Cytoplasm, sap, vacuole, starch grains, leucoplastsC.Plasma membranes, chromosomes, mitochondria, lysosomes.D.Nucleus, nucleolus, cellulose cell wall, endoplasmic reticulumE.Cytoplasm, centriole, cellulose cell wall, nucleolusObjective Show full explanation
Question 0Which of these animals is NOT metamerically segmented?A.TapewormB.EarthwormC.CentipedeD.CrayfishE.SharkObjective Show full explanation
Question 0Some of the major elements required by plants areA.Potassium, nitrogen, phosphorus, sodium, calciumB.Nitrogen, phosphorus, molybdenum, sodium, calciumC.Potassium, phosphorus, molybdenum, sodium, calciumD.Potassium, nitrogen, iron , sodium, calciumE.Potassium, nitrogen, phosphorus, silicon, cadmiumObjective Show full explanation
Question 0In human reproduction, the zygote formed as a result of fertilization gets attached to the wall of the uterus. The process is calledA.Sexual reproductionB.CohesionC.PregnancyD.ImplantationE.ViviparityObjective Show full explanation
Question 0Kwashiorkor is caused by severe deficiency ofA.WaterB.OilC.DrugsD.ProteinsE.SugarsObjective Show full explanation
Question 0An hormoiothermic animal kept in a room where the temperature is lower than the body temperature may lose heat by four physical process. Which of the following processes is NOT connected with the body temperature regulation ?A.RadiationB.SweatC.EvaporationD.ConductionE.ConvectionObjective Show full explanation
Question 0Which of these food chains is NOT possible in a forest?A.Diatom → fly → toad → snakeB.Fly → toad → snake→ hawkC.Leaves → antelope → man → lionD.Leaves → caterpillar → bird → lionE.Leaves →goat → man→ lionObjective Show full explanation
Question 0If a tall man (TT) maries a dwarf woman (gg) and they have four male children, the offspring will beA.All shortB.Three short and one tallC.Two short and two tallD.One short and three tallE.All tallObjective Show full explanation
Question 0A married couple has 10 children and they are all girls. Which of the following is the CORRECT explanation?A.The woman is incapable of producing male childrenB.The man’s sperms are very weakC.The man is not athletic enoughD.The Y component of the men’s sex chromosomes was always involvedE.The X component of the man’s sex chromosomes was always involvedObjective Show full explanation
Question 0If a 26 year old blind man married a young one-eyed woman and they had four children, how many of them would be blind like there father?A.AllB.3C.2D.1E.noneObjective Show full explanation
Question 0The glottis is the opening which leads to theA.OesophagusB.LarynxC.NostrilsD.PharynxE.MouthObjective Show full explanation
Question 0A tapeworm has no alimentary canal becauseA.It is autotrophicB.It does not feedC.It has no enzymesD.Its body absorbs digested foodE.The suckers on the scolex suck bloodObjective Show full explanation
Question 0A grass hopper respires by the means of itsA.Lung-booksB.GillsC.LungsD.AntennaeE.Tracheal tubesObjective Show full explanation
Question 0An onion bulb stores its food in theA.StemB.LeavesC.RootsD.CotyledonE.BranchesObjective Show full explanation
Question 0Roots of plants are normallyA.Positively phototropicB.Negatively geotropicC.Negatively hydrotropicD.Positively hydrotropicE.Negatively chemotropicObjective Show full explanation
Question 0The main function of the swim-bladder is forA.SwimmingB.Detecting soundC.BuoyancyD.BreathingE.ReproductionObjective Show full explanation
Question 0Which of the following pairs are the products of sucrose hydrolysis?A.Glucose + glucoseB.Fructose + fructoseC.Glucose + fructoseD.Galactose + glucoseE.Fructose + galactoseObjective Show full explanation
Question 0Which of the vertebra has a projection called odontoid process?A.AtlasB.AxisC.ThoracicD.LumberE.CaudalObjective Show full explanation
Question 0Refrigeration, as a method of preservation, has ONE of the following characteristics:A.Kills all the bacteriaB.Kill most of the bacteriaC.Makes the bacteria inactiveD.Dries foodE.Hydrolyses foodObjective Show full explanation
Question 0Treatment of a poor soil with lime suppliesA.SulphurB.CalciumC.PhosphorusD.SodiumE.NitrogenObjective Show full explanation
Question 0In the enzyme (amlyase) reactions of starch → sugar starch is referred to as theA.substrateB.productC.enzymeD.enzyme-substrate complexE.reaction mixtureObjective Show full explanation
Question 0ONE of the major causes of haemophilia is lack ofA.firbrinogenB.amylaseC.white blood corpusclesD.red blood corpusclesE.plasmaObjective Show full explanation
Question 0In man, identical twins occur whenA.An ovum is fertilized by a sperm and then divide into two, each forming a separate embryoB.an ovum fertilized by two sperms and then divides into two, each forming an embryoC.two ova are fertilized at the same tine each forming an embryoD.two ova are fertilized by a single sperm each forming an embryo after fertilizationE.one ovum first divides into two and each half is fertilized by a sperm before developing into an embryoObjective Show full explanation
Question 0The parts of the mammalian eye that strongly bend light rays are theA.cornea and the lensB.cornea and aqueous humourC.cornea and vitreous humourD.lens and aqueous humourE.lens and vitreous humourObjective Show full explanation
Question 0Which of these statements is NOT true of insects?A.They are anthropodsB.Their body is divide into three distinct regions of head, thorax and abdomenC.Their thorax comprises three segments, only two of which bear a pair of appendages eachD.Respiration is by means of tracheaE.They undergo metamorphosisObjective Show full explanation
Question 0when an operculate fish breathes it takes in water through theA.mouth and passes it out through the same wayB.mouth and passes it out through the operculumC.operculum and passes it out through the mouthD.operculum and passes it out through the nostrilsE.nostrils and passes it out through the operculumObjective Show full explanation
Question 0Which of the following tissue are made up of dead cells?A.MeristematicB.Xylem vesselsC.CambiumD.MesophyllE.PalisadeObjective Show full explanation
Question 0External ears of mammals consist ofA.pinna and tympanumB.pinna onlyC.auditory meatus onlyD.auditory meatus and pinnaE.auditory meatus and tympanumObjective Show full explanation
Question 0Any dry fruit which can break into several parts each containing one seed is aA.capsuleB.aggregrate fruitC.legumeD.schizocarpE.follicleObjective Show full explanation
Question 0Which of the following is NOT a function of mammalian blood?A.Engulfing bacteriaB.Production of hormonesC.Transporting ureasD.Distribution of heatE.Transporting glucoseObjective Show full explanation
Question 0The maize grain is regarded as a fruit and not a seed becauseA.it has a coleorhizaB.it has a coleoptileC.of the relatively large endospermD.there is the remain of a styleE.of the relatively small scutellumObjective Show full explanation
Question 0Which of these parts of the mammalian ears is directly concerned with the sense of balance?A.CochleaB.Eustachian tubeC.Ear-drumD.PinnaE.Semicircular canalsObjective Show full explanation
Question 0When freshly tapped palm wine was kept overnight it was found to be more alcoholic. This effect must have been due toA.the addition of saccharinB.the addition of sugarC.the addition of whisky or local ginD.some complex hydrolytic reactionE.anaerobic respiration of an organismObjective Show full explanation
Question 0If a farmer left his land uncultivated for five years before returning to it, he must be practisingA.modern agricultureB.strip croppingC.contour ridgingD.crop rotationE.the bush fallow systemObjective Show full explanation
Question 0A pyramid of numbers can be defined asA.the number of plants and animals in an ecosystemB.an arrangement of organism according to their habitatC.the numerical relationships of a food chainD.the number of plants and animals in a populationE.the total number of species and general in a communityObjective Show full explanation
Question 0In man, spermatozoa are never found in theA.testisB.urethraC.epididymisD.prostrate glandsE.vas deferensObjective Show full explanation
Question 0Which of the following statements is TRUE of inhalation of air by man?A.The ribs are not raisedB.Diaphragm is raisedC.Intercostal muscles relaxD.Pressure of the thoracic cavity increaseE.Size of thoracic cavity increaseObjective Show full explanation
Question 0If the gall bladder of a man is removed by surgery, which of the following processes will be most seriously affected?A.Digestion of fats and oilB.Formation of ureaC.Digestion of starchD.Conversion of proteinE.Storage and release of the urineObjective Show full explanation
Question 0Flatworms and roundworms are said to be invertebrates becauseA.they are small animalsB.they can live inside the vertebratesC.some of them are unicellularD.they have no backbonesE.they are parasiticObjective Show full explanation
Question 0Where is the energy produced in a cell?A.NucleusB.NucleolusC.LysosomesD.ChloroplastE.MitochondriaObjective Show full explanation
Question 0In which part of a leguminous plant can you find bacteria like Azotobacter?A.Spongy mesophyll of leafB.At the nodesC.At the internodesD.In nodulesE.Palisade mesophyll of leafObjective Show full explanation
Question 0The three blood vessels that supply the mammalian alimentary canals areA.segmented artery, hepatic artery and coeliac arteryB.coeliac artery, anterior mesenteric artery and posteroir mesenteric arteryC.coelic artery, segmental artery and hepatic arteryD.hepatic artery, anterior mesenteric artery and posterior mesenteric arteryE.hepatic portal vein, anterior mesenteric artery and posterior mesenteric arteryObjective Show full explanation
Question 0In an epigeal germination, it is theA.epicotyl that elongates fastB.hypocotyl that elongates fastC.hypogeal that elongates fastD.plumule that elongates fastE.roots that elongate fastObjective Show full explanation
Question 0The mammalian pancreas is involved with theA.digestion of food onlyB.digestion and absorption of foodC.digestion of food and regulation of blood sugarD.digestion of food, production of hormone and the regulation of bloodE.digestion of food, and the regulation of bloodObjective Show full explanation
Question 0When a person with blood belonging to group O has lost much blood due to an accident, he can be given blood from persons who have blood belonging toA.group O onlyB.group A onlyC.group AB onlyD.groups A and OE.groups AB and OObjective Show full explanation
Question 0The absence of stomata shows that a leaf may beA.from a floating plantB.from submerged plantC.varigatedD.from a terrestrial plantE.from parasitic green plantObjective Show full explanation
Question 0Which of the following is not associated with excretion in mammalsA.GlomerulusB.UreaC.FaecesD.Carbon DioxideE.Bowman's capsuleObjective Show full explanation
Question 0In the figure above the structured labelled X is theA.cellulose cell wallB.plasma membraneC.nuclear membraneD.mucilage wallE.ectoplasmObjective Show full explanation
Question 0Which of the parts are used to recognize the bone in the figure above?A.1 and 4B.2 and 3C.3 and 5D.1, 2, and 6E.4 and 5Objective Show full explanation