Question 1Which of the following statements best describes haemoglobin?A.yellowish in colourB.a red blood cellC.an oxygen carrying pigmentD.needed for blood clottingObjective Show full explanation
Question 2Muscles are attached to bones by means ofA.tendonsB.ligamentsC.cartilageD.nervesObjective Show full explanation
Question 3Excretion in paramecium sp. is by diffusion becauseA.its habitat is water and moist placesB.it has simple small and few internal organsC.it has large surface area to volume ratioD.it has large efficient meganucleusObjective Show full explanation
Question 4The product of excretion common to the mammalian kidney, lung and skin isA.mineral saltsB.carbon (IV) oxideC.waterD.ureaObjective Show full explanation
Question 5Night-blindness results from a deficiency ofA.vitamin EB.vitamin AC.vitamin KD.vitamin CObjective Show full explanation
Question 6Parental care is exhibited byA.toadsB.snailsC.earthwormsD.birdsObjective Show full explanation
Question 7The axial skeleton is composed of theA.skull and vertebral columnB.limbs and girdlesC.atlas and axisD.radius and ulnaObjective Show full explanation
Question 8The causative agent of typhoid fever isA.SalmonellaB.EntamoebaC.EscherichiaD.ShigeliaObjective Show full explanation
Question 9Climax communitis in a biotic succession are usually characterised byA.a constant change in the appearance of the communitiesB.different species that are constantly changingC.a stable composition of plant and animal speciesD.rapid changes in the plant and animan speciesObjective Show full explanation
Question 10A population that doubles in size at constant intervals is an indication ofA.sigmoid growthB.exponential growthC.population explosionD.rapid growthObjective Show full explanation
Question 11The increasing order of the particle size in the following soil types isA.clay > sand > silt > gravelB.silt > sand > clay > gravelC.clay > silt > sand > gravelD.silt > clay > sand > gravelObjective Show full explanation
Question 12In the mammalian kidney, the Bowman's capsule is located in theA.ureterB.pelvisC.cortexD.medullaObjective Show full explanation
Question 13An example of a sex-linked trait is theA.ability to grow long hair in femalesB.colour of the skin in humansC.ability to roll the tongueD.possession of facial hair in adult humansObjective Show full explanation
Question 14The cell of an onion bulb can be differentiated from a check cell by the presence ofA.plasmalemmaB.chloroplastC.cell wallD.nucleusObjective Show full explanation
Question 15The role of the Golgi complex in a eukaryotic cell is toA.conduct ions in and out of the cellB.transport genetic materials out of the cellC.provide attachment for ribosomal granulesD.transport organic materials in and out of the cellObjective Show full explanation
Question 16The part of the mammalian skin involved in temperature regulation is theA.sweat glandB.hair papillaC.hair follicleD.sebaceous glandObjective Show full explanation
Question 17Which of the following vertebrates has the most simple structured heart?A.reptileB.fishC.mammalD.amphibianObjective Show full explanation
Question 18In terms of the number of individuals, which of the following taxa is most inclusive?A.orderB.familyC.classD.speciesObjective Show full explanation
Question 19Which of the following pH values is the best for the action of the enzymes - renin and pepsin in the stomach?A.pH2B.pH7C.pH8D.pH9Objective Show full explanation
Question 20The most abundant group of organisms in the animal kingdom isA.mammaliaB.avesC.annelidD.insectaObjective Show full explanation
Question 21Ultra filtration in the kidney takes place in theA.loop of HenleB.renal veinC.Bowman's capsuleD.pelvisObjective Show full explanation
Question 22The blood vessel which carries blood from the alimentary canal to the liver isA.hepatic arteryB.hepatic veinC.hepatic portal veinD.mesentericObjective Show full explanation
Question 23Intervening chlorosis is normally associated with the deficiency ofA.magnesiumB.potassiumC.ironD.calciumObjective Show full explanation
Question 24Which of the following structures is capable of producing more bacteria in the stem of a herbaceous flowering plant?A.epidermisB.pericycleC.xylemD.cambiumObjective Show full explanation
Question 25The most reliable estimate of growth is by measuring changes inA.lengthB.volumeC.surface areaD.surface areaObjective Show full explanation
Question 26The natural tendency of organisms as they evolve is toA.decrease in sizeB.increase in numberC.develop specialized structuresD.feed indiscriminatelyObjective Show full explanation
Question 27The formation of urine involves all except oneA.ultrafiltrationB.selective re-absorptionC.tubular secretionD.formation of metabolic by-productsObjective Show full explanation
Question 28All are different types of ribonucleic acid except oneA.transfer ribonucleicB.messenger acidC.ribosomes ribonucleic aicdD.chromosomal ribonucleic acidObjective Show full explanation
Question 29If a 26 year old man married a one-eyed woman and they had four children, how many of them would be blind like their mother?A.4B.3C.2D.noneObjective Show full explanation
Question 30The maintenance of a constant internal environment of an organism is known asA.homeostasisB.hemorhesisC.turgidityD.homothermyObjective Show full explanation
Question 31A few drops of Fehling's was added to juice extract from fresh maize grain and boiled. A red precipitate was formed, indicating the presence ofA.alcoholB.proteinC.non-reducing sugarD.starchObjective Show full explanation
Question 32The part of the nervous system that interpretes blinking of the eye is theA.hind brainB.cerebellumC.cerebrumD.spinal cordObjective Show full explanation
Question 33The medium in which dissolved nutrients are transported in the body of vertebrates is calledA.latexB.urineC.cell sapD.bloodObjective Show full explanation
Question 34Which of the following organelles is used for locomotion in paramecium?A.pseudopodiumB.irichocystC.ciliumD.pellicleObjective Show full explanation
Question 35Whic of these types of skeleton is most appropriate to the cockcroach?A.hydrostatic skeletonB.exoskeletonC.endoskeletonD.cartilaginous skeletonObjective Show full explanation
Question 36Regulation of blood sugar level takes place in theA.pancreaseB.ileumC.liverD.kidneyObjective Show full explanation
Question 37The manufacture of carbohydrates by plants takes place only inA.the leavesB.the green stemsC.chlorophyllus partsD.flowering plantsObjective Show full explanation
Question 38Homologous pairs of chromosomes seperate duringA.EytolysisB.CleavageC.MitosisD.MeiosisObjective Show full explanation
Question 39The deficiency of vitamin D leads toA.scurvyB.pellagraC.ricketsD.beriberiObjective Show full explanation
Question 40A group of similar cells performing the same function isA.an organB.a systemC.a tissueD.an organelleObjective Show full explanation
Question 41One disease not caused directly by bacteria isA.malariaB.tuberculosisC.pneumoniaD.tetanusObjective Show full explanation
Question 42An organism X lives entirely on the waste products in another organism Y. In this association X is aA.symbiontB.saprophyteC.commensalD.parasiteObjective Show full explanation
Question 43The one-seed fruit in which the pericap and seed coat have become fused together is known asA.acheneB.samaraC.drupeD.legumeObjective Show full explanation
Question 44The digestive enzyme that coagulates protein in milk isA.ptyalinB.pepsinC.renninD.trypsinObjective Show full explanation
Question 45In cellular respiration, energy is stored in the form ofA.adenosine diphosphate (ADP)B.adenosine monophosphate (AMP)C.adenosine triphosphate (ATP)D.heat energyObjective Show full explanation
Question 46Which of the following structuresof the leaf contains air?A.guard cellB.palisade layerC.intercellular spaceD.vascular bundleObjective Show full explanation
Question 47Which of the following organs is specially adapted for gaseous exchange in aquatic organisms?A.lungsB.tracheaC.gillsD.alveoliObjective Show full explanation
Question 48Spirogyra reproduces vegetatively byA.spore productionB.fragmentationC.multiple fissionD.binary fissionObjective Show full explanation
Question 49Where is energy produced in the cell?A.nucleusB.nucleolusC.lysosomeD.mitochondriaObjective Show full explanation
Question 50Which of the following is NOT caused by a virus?A.rinderpestB.maize rustC.newcastle diseaseD.swine feverObjective Show full explanation