Question 0An amoeba and an unlaid chicken egg areA.anial tissueB.organellesC.single cellD.organismsE.Objective Show full explanation
Question 0In corns, food is usually stored in theA.leavesB.stemsC.rootsD.budsE.Objective Show full explanation
Question 0The animals that move by means of flagella includeA.Chlamydomonas and EuglenaB.Planeria and AmoebaC.Amoeba and HydraD.Paramecium and PlaneriaE.Objective Show full explanation
Question 0When oil is poured into the breeding site of mosquitoes, itA.deprives the larvae of waterB.kills the adultsC.suffocates the pupaeD.slows doen egg developmentE.Objective Show full explanation
Question 0The structure found only in the plant cells areA.cell membrane and cytoplasmB.chromatin and nucleolusC.cell wall and chloroplastD.cell membrane and lysosomeE.Objective Show full explanation
Question 0A flower that has both stamens and pistils is said to beA.staminateB.pistillateC.perfectD.imperfectE.Objective Show full explanation
Question 0In the diagram, the hawk isA.an omnivoreB.a primary consumerC.a tertiary onsumerD.a scavengerE.Objective Show full explanation
Question 0Example of competitors areA.lizard and mouseB.snake and lizardC.grasshopper and mouseD.rabbit and snakeE.Objective Show full explanation
Question 0one of the adaptation of life on trees by a monkey is its possession of digits which areA.extensibleB.bigC.opposableD.longE.Objective Show full explanation
Question 0The community of plants in which the same species occur from year to year is theA.annual speciesB.pioneer vegetationC.perennial speciesD.climax vegetationE.Objective Show full explanation
Question 0The most common means of transmiting the Acquired Immune Deficiency Syndrome (AIDS) isA.from mother to childB.through blood transfusionC.through sexual intercourseD.through the sharing of needlesE.Objective Show full explanation
Question 0Plants tend to prevent overcrowding by means of efficientA.water uptakeB.seed germinationC.pollinationD.seed dispersalE.Objective Show full explanation
Question 0The physical and climatic factors of a region primarily determine theA.kinds of animal inhabiting the areaB.types of plants found in the areaC.nature of the soil in that regionD.community of organisms in the regionE.Objective Show full explanation
Question 0A step in the movement of energy through an ecosystem is a description that best fits the termA.food chainB.trophic levelC.pyramid of numbersD.food webE.Objective Show full explanation
Question 0In a field experiment, the frequency of water leaf was observed to be 48 after 20 tosses of a 2m2 quadrat. What is the density of the plants in the field?A.1.2 per m2B.2.4 per m2C.4.8 per m2D.9.6 per m2E.Objective Show full explanation
Question 0The supporting tissue in xylem is most poorly developed inA.mangrove swamp plantsB.grassland plantsC.submerged water plantsD.desert plantsE.Objective Show full explanation
Question 0The addition of lime to clayed soil serves toA.aid water retentionB.close up the textureC.prevent water loggingD.improve capillary actionE.Objective Show full explanation
Question 0The excessive use of agro-chemicals could lead to the pollution ofA.the lithosphereB.the atmosphereC.fresh waterD.spaceE.Objective Show full explanation
Question 0In a population study using the transect method, a student is likely to record the highest number of species inA.a tropical rain forestB.a guinea savannaC.a sahel savannaD.an estuarine swampE.Objective Show full explanation
Question 0In his theory of evolution, Darwin implied thatA.the struggle for existence among living organisms is sporadicB.the most successful organisms are those that best adapt to their environmentC.organs of the body which are not regularly used by an organism will disappearD.any traits acquired by an organism during its lifetime can be passed on its offspringE.Objective Show full explanation
Question 0The carnassial teeth of a carnivorous animal consist of theA.last upper premolar and the first lower molarB.last upper molar and the last lower molarC.first upper premolar and the lower molarD.first upper molar and the first lower molarE.Objective Show full explanation
Question 0Birds which are large with long straight pointed beaks, long necks and long legs are likely to beA.insect eatersB.fish catchersC.nectar feedersD.fruit eatersE.Objective Show full explanation
Question 0A feature of the caste system of bees and termites ia thatA.the workers are sterileB.the kings are bigger than the queensC.only the worker perform dutiesD.nuptial flight is performed by all membersE.Objective Show full explanation
Question 0The structure that is common in the embryos of mammals, amphibians, birds, fishes and reptiles and which is an evidence of their common ancestry is theA.eyeB.chorionC.allantoisD.gill-siltsE.Objective Show full explanation
Question 0Animals aestivate when the environment in which they live becomesA.hot and dryB.cold and wetC.warm and humidD.windy and snowyE.Objective Show full explanation
Question 0Examples of organisms in which extracellular digestion occurs areA.fungus, loranthus and houseflyB.rhizopus, sponges and earthwormC.roundworm, tapeworm and hydraD.rhizopus, housefly and hydraE.Objective Show full explanation
Question 0The mammalian erythrocytes differ from the leucocytes at maturity because the erythrocytes areA.discoid and nucleatedB.discoid and enucleatedC.amoeboid and nucleatedD.amoeboid and enucleatedE.Objective Show full explanation
Question 0The presence of endoskeleton is characteristic ofA.invertebrataB.vertebrataC.insectaD.coelenterataE.Objective Show full explanation
Question 0The capture and digestion of insects by a pitcher plant is a special form of nutrition termedA.autotrophicB.heterotrophicC.chemosyntheticD.saprophyticE.Objective Show full explanation
Question 0Which of the following statement is correct about the experiment?A.The flask must be of the conical typeB.Caustic soda can be replaced with distilled waterC.The enclosed leaf will lose its green colourD.The leaves outside the flask serve as controlE.Objective Show full explanation
Question 0The experimental set-up can be used to demonstrate thatA.light is necessary for photosynthesisB.oxygen is necessary for photosynthesisC.photosynthesis occurs in the leaves of plantsD.carbon (IV) oxide is necessary for photosynthesisE.Objective Show full explanation
Question 0When a marine fish was taken from the ocean and put in a tank of fresh water, it died after a short period becauseA.the tank was too small compare to the large oceanB.the body cells of the fish swelled and burst as a result of the hypotonic fresh waterC.the body cells of the fish shrank as their sap was hypertonic to the fresh waterD.there was no food in the tank, so the starved.E.Objective Show full explanation
Question 0Which of the following pairs of organ is located in the anterior half of the mammalian body cavity?A.Kidneys and lungsB.Heart and ovaryC.Lungs and heartD.Kidneys and heartE.Objective Show full explanation
Question 0The mode of nutrition exhibited by a tapeworm isA.symbioticB.saprophyticC.parasiticD.holozoicE.Objective Show full explanation
Question 0The organ located within the duodenal loop in the mamal is theA.spleenB.pancreasC.liverD.gall bladderE.Objective Show full explanation
Question 0In which of the following groups of fruits is the pericarp inseparable from the seed coat?A.NutB.FollicleC.CypselaD.CrayopsisE.Objective Show full explanation
Question 0A person that is obese must avoid meals containingA.`carrots and orangesB.margarine and butterC.beaf and beansD.rice and yamE.Objective Show full explanation
Question 0Tissue respiration is important for theA.absorption of oxygen into the alveoliB.release of carbon (IV) oxide into the lungsC.release of energy for the body useD.exhalation of carbon(IV) oxide from the lungsE.Objective Show full explanation
Question 0The function of the absorption is performed by the structure labelledA.IB.IIC.IIID.IVE.Objective Show full explanation
Question 0The structure labelled I represented theA.phloemB.xylemC.cortexD.pericycleE.Objective Show full explanation
Question 0The gland usually found in the position labelled I is theA.adrenalB.thyriodC.pancreaticD.pituitaryE.Objective Show full explanation
Question 0To select and retain the desirable trait of large body size which a farmer has observed in his herd, the farmer needs toA.feed the animals in the herd with more foodB.cross-breed his animals with a different herdC.inbreed the animals in his herdD.prevent disease in herdE.Objective Show full explanation
Question 0In a population of living things, the parameters of size, height, weight and colour are examples ofA.discontinuous variationB.continuous variationC.physiological variationD.non-heritable variationE.Objective Show full explanation
Question 0If XN is the dominant allele for normal vision and Xn the recessive allele for colour blindness, a boy with the genotype YXn will beA.have normal visionB.be colour-blindC.be totally blindD.be a carrier of colour blindnessE.Objective Show full explanation
Question 0The first four children of a couple were all girls. The probability that the fifth will also be a girl isA.1/5B.1/4C.1/3D.1/2E.Objective Show full explanation
Question 0Genetic counselling is important when a marriage is planned between aA.Rh- woman and Rh man+B.Rh- woman and Rh- manC.Rh+ woman and Rh+ manD.Rh+ woman and Rh- manE.Objective Show full explanation
Question 0What proportion of the offspring of a cross between two heterozygous parents will exhibit the recessive condition phenotypicallyA.1/4B.1/2C.3/4D.4/4E.Objective Show full explanation
Question 0A hormone secreted at IV serves toA.make the body react to emergenciesB.lower blood glucose levelC.raise the level of calcium ions in the bloodD.facilitate the development of facial hairsE.Objective Show full explanation
Question 0Ovoviparity is the type of fertilization exhibited by the organism labelledA.IVB.IIIC.IID.IE.Objective Show full explanation
Question 0The correct evolutionary sequence of the organisms represented isA.IV->II->III->IB.III->II->I->IVC.II->III->IV->ID.I->III=>II->IVE.Objective Show full explanation