Question 1The beak of a duck is structurally adapted for A.scooping and sieving foodB.catching and grasping foodC.picking and cracking foodD.boring and sucking foodObjective Show full explanation
Question 2Which of the following is the best explanation for a child who is phenomtypically short and born of two tall parents A.both parents possess gene for shortnessB.the father possesses a gene for shortnessC.the mother possesses a gene for shortnessD.Nature makes the child shortObjective Show full explanation
Question 3The most abundant group of organisms in the animal kingdom isA.MammaliaB.AvesC.AnnelidaD.InsectaObjective Show full explanation
Question 4In the alimentary system of a bird, the function of teeth is carried out by the A.cropB.beakC.gizzardD.tongueObjective Show full explanation
Question 5Which 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 6In terms of the number of individuals, which of the following taxa is most inclusive? A.OrderB.FamilyC.ClassD.SpeciesObjective Show full explanation
Question 7the intensity of competition among animals in a given area will increase with A.an increase in the frequency of disease outbreakB.an increase in population sizeC.a decrease in the immigration rateD.an increase in the emigration rateObjective Show full explanation
Question 8The part of the mammalian skin involved in temperature regulation is the A.sweat glandB.hair papillaC.hair follicleD.sebaceous glandObjective Show full explanation
Question 9The role of the Golgi complex in a eukaryotic cell is to A.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 10Which of the following vertebrates has the most simple structured heart? A.ReptileB.FishC.MammalD.AmphibianObjective Show full explanation