Question 1In evolution, analogous structures are significant because they showA.physiological diversityB.functional diversityC.genetic diversityD.structural diversityObjective Show full explanation
Question 2Which of the following statements is not true about continuous variation? ItA.Is usually controlled by several genesB.can be influenced by environmental factorsC.follows a normal distribution curveD.is usually controlled by one or two pairs of genesObjective Show full explanation
Question 3Active transport can be defined as the movement ofA.substances from a region of high concentration to a region of low concentrationB.substances from a region of low concentration to a region of high concentration across a living cell membraneC.substances across a living cell membrane using energy from the cellD.movement of molecules in a mediumObjective Show full explanation
Question 4Gymnosperms bear naked seeds because they lackA.OvaryB.colourful flowersC.pollen grainsD.stigmaObjective Show full explanation
Question 5The odontoid process is found on theA.Axis vertebraB.atlas vertebraC.thoracic vertebraD.sacral vertebra Objective Show full explanation
Question 6The following living organisms are eukaryotic exceptA.spirogyraB.amoebaC.bacteriaD.volvoxObjective Show full explanation
Question 7Chloroplast is found in the following organisms exceptA.spirogyraB.pride of BarbadosC.amoebaD.chromosomeObjective Show full explanation
Question 8The main feature of pentadactyl is the presence ofA.Five phalangesB.Three tarsalsC.Four carpalsD.Five metacarpalsObjective Show full explanation
Question 9A plant which grows on another plant without apparent harm to the host plant is calledA.a parasiteB.an epiphyteC.a saprophyteD.a predatorObjective Show full explanation
Question 10Oxygenated blood is carried by all _____A.arteriesB.veinsC.pulmonary arteriesD.pulmonary veinsObjective Show full explanation