Question 1Homologous pairs of chromosomes separate during A.eytolysisB.cleavageC.mitosisD.meiosisObjective Show full explanation
Question 2An example of a caryopsis is A.guavaB.maize grainC.coconutD.tomato Objective Show full explanation
Question 3The response of plants to external stimuli in a non-directional manner is known asA.tactic movementB.phototropismC.geotropismD.nastic movementObjective Show full explanation
Question 4The most important hormone that induces the ripening of fruit is A.ethyleneB.indole acetic acidC.gibberallinD.cytokininObjective Show full explanation
Question 5One example of fossil fuels is A.limestoneB.coralC.coalD.firewood Objective Show full explanation
Question 6The most effective method of dealing with non-biodegradable pollutants is by A.dumpingB.recyclingC.incinerationD.buryingObjective Show full explanation
Question 7Mycorrhiza is an association between fungi and A.protozoansB.roots of higher plantsC.bacteriaD.microbesObjective Show full explanation
Question 8A limiting factor in a plant population near a chemical factory is likely to beA.lightB.humidityC.windD.pHObjective Show full explanation
Question 9Soil fertility can best be conserved and renewed by the activities ofA.earthwormsB.manC.rodentsD.microbesObjective Show full explanation
Question 10The pioneer organisms in ecological succession are usually theA.mossesB.lichensC.fernsD.algaeObjective Show full explanation
Question 11The type of reproduction that leads to variant in animal and plant populations isA.buddingB.sexualC.vegetativeD.asexualObjective Show full explanation
Question 12An insect with a mandibulate mouth part will obtain its food by A.biting and chewingB.chewing and suckingC.chewingD.suckingObjective Show full explanation
Question 13Spines and shells on animals are adaptations of A.camouflageB.chemical defensesC.physical defensesD.mimicryObjective Show full explanation
Question 14The rods in the retina of the eye are examples ofA.cellsB.tissuesC.organsD.systemsObjective Show full explanation
Question 15A plant-like feature of Euglena is theA.pellicleB.pigment spotC.large spotD.gulletObjective Show full explanation
Question 16The larval stage of a mosquito is that theyA.wrigglerB.grubC.maggotD.caterpillarObjective Show full explanation
Question 17A peculiar characteristics of mammals is that they A.have teethB.are warm-bloodedC.have lungD.have sebaceous glandsObjective Show full explanation
Question 18The gall bladder of a mammal has a duct connected to theA.liverB.duodenumC.small intestineD.pancreasObjective Show full explanation
Question 19Rodents gnaw on food with theirA.molar teethB.strong jawsC.flat-ridged teethD.chisel-like front teethObjective Show full explanation
Question 20An example of a radially symmetrical organism isA.planarianB.hydraC.tapewormD.roundwormObjective Show full explanation