Question 1The part of the central nervous system concerned with answering an examination question is the A.spinal cordB.cerebellumC.oryxD.cerebrumE.medulla oblongataObjective Show full explanation
Question 2Wind pollinated flowers usually have A.long stylesB.sticky stigmasC.small and short stigmasD.rough pollen grainsE.short styles and pollenObjective Show full explanation
Question 3The ridicule of a bean seedling grows most rapidly in the regionA.of the root tipB.below the top soilC.just around the root tipD.just below the root tipE.just above the root tip Objective Show full explanation
Question 4A key similarity between nervous and hormonal system is that both A.involve chemical transmissionB.have widespread effectsC.shed chemicals into the blood streamD.evoke rapid response to eliminate responseObjective Show full explanation
Question 5The bone of the neck on which the skull rests is A.odontoidB.axisC.occipitalD.atlasE.patellaObjective Show full explanation
Question 6A child with blood group genotype different from those of both parents and with a mother of genotype OO, can only have a father of genotype A.AB.BC.OOD.ABE.AAObjective Show full explanation
Question 7A true climax community A.changes from year to yearB.persists until the environment changesC.the first stage in plant successionD.consist of tallest trees and small animalsE.is in a state of perturbationObjective Show full explanation
Question 8In a predator food chain involving secondary and tertiary consumers, the organisms become progressively A.smallerB.equal in numberC.larger and fewer along the food chainD.parasitized along the food chain as consumers get biggerE.space in distributionObjective Show full explanation
Question 9Which one of these is an adaptation to a xerophytes environment? A.fleshy tissue with reduced leaves B.extensive surface roots & broad leavesC.thick barks and broad leavesD.rough leaves and shallow root systemE.stunted growth and surface roots.Objective Show full explanation
Question 10When it is cold, the blood vessels of the skin A.dilate to increase blood flow to the skinB.constrict to reduce the amount of blood flowing to the skinC.dilate to reduce the amount of blood flowing to the skinD.constrict to increase the amount of blood flowing to the skin.Objective Show full explanation