Question 1A fundamental similarity between nervous and hormonal system is that both A.involve chemical transmissionB.have widespread effectsC.shed chemical into the blood streamD.evoke rapid responseObjective Show full explanation
Question 2The irreversible life process by which new protoplasm is added to increase the size and weight of an organism can be termedA.anabolismB.catabolismC.growthD.developmentObjective Show full explanation
Question 3If an organism obtains it's food by means of haustoria, it is said to beA.holophyteB.heterophyteC.saprophyticD.parasiticObjective Show full explanation
Question 4The main waste products formed in plants areA.alkaloids, tannins and resinsB.water, alkaloids and carbon dioxideC.oxygen, carbon dioxide and alkaloidsD.water, carbon dioxide and oxygenObjective Show full explanation
Question 5In the mammalian respiratory system, exchange of gases occurs in the A.lungsB.bronchiC.bronchiolesD.alveoliObjective Show full explanation
Question 6If the phloem of a healthy plant is killed by heat treatment, theA.upward movement of slats will ceaseB.food manufacture in the leaves will accumulateC.whole plant will die immediatelyD.leaves of plant will become yellowObjective Show full explanation
Question 7If an animal has diastema, it would not possess A.incisorsB.caninnesC.premolarsD.molarsObjective Show full explanation
Question 8The major function of the swim bladder in dishes isA.breathingB.buoyancyC.swimmingD.divingObjective Show full explanation
Question 9Insects and millipedes have many features in common exceptA.jointed appendageB.compound eyesC.segmented bodyD.exoskeletonObjective Show full explanation
Question 10What is the funciton of trichocyst in parameciumA.movementB.defenceC.excretionD.reproductionObjective Show full explanation