Question 1The response of plants to external stimuli in a non-directional manner is known asA.tactic movementB.phototropismC.geotropismD.nastic movementObjective Show full explanation
Question 2The most important hormone that induces the ripening of fruit is A.ethyleneB.indole acetic acidC.gibberallinD.cytokininObjective Show full explanation
Question 3The ability of the cockroach to live in cracks and crevices is enhanced by the possession of A.wings and segmented bodyB.compound eyesC.claws on the legsD.dorso-ventrally flattened bodyObjective Show full explanation
Question 4Which of the following disease is caused by deficiency of insulin in the body? A.malariaB.diabetes mellitusC.hepatitisD.gonorrhea E.choleraObjective Show full explanation
Question 5The respiratory organ found in the cockroach is the A.air sacB.tracheaC.lung bookD.lungE.gill Objective Show full explanation
Question 6Which of the following structures function as an excretory system found in flat worms? A.contractile vacuoleB.nephridiumC.flame cellD.malphighian tubuleE.kidney Objective Show full explanation
Question 7Which of the following instrument can be used to perform an experiment on geotropism? A.photometerB.cup anemometerC.clinostatD.kymographE.sphygmomanometer Objective Show full explanation
Question 8The thoracic vertebra differs from all the other vertebrae by the possession of A.long neural spineB.odontoid processC.vertebraterial canalD.large centrumE.transverse processes Objective Show full explanation
Question 9For pollination and fruit formation, the essential part(s) of the flower should be theA.corollaB.ovaryC.pistil (gynoecium)D.ovulesE.receptacleObjective Show full explanation
Question 10Which part of the human brain is concerned with reflexes controlling the rate of heart beat and breathing?A.medullaB.cerebrumC.cerebelumD.eal bodyE.Olfactory lobeObjective Show full explanation
Question 11Spirogyra reproduces vegetatively byA.spore productionB.fragmentationC.multiple fissionD.binary fissionObjective Show full explanation
Question 12A tapeworm has no alimentary canal becauseA.it is an antotropicB.it does not feedC.it has no enzymesD.its body absorbs digested foodsObjective Show full explanation
Question 13Animal saprophytes are calledA.SaprophytesB.MucorheirmalisC.SaprophytismD.LicherisE.SaprozoitesObjective Show full explanation
Question 14The blue-green algae belongs to the kingdomA.PlantaeB.MycophytaC.MoneraD.BryophytaE.PteridophytaObjective Show full explanation
Question 15Partially digested food ready to leave the stomach is referred to asA.CurdB.GlycogenC.PasteD.ChymeE.RoughageObjective Show full explanation