Question 1All except one are protists A.spirochaetesB.trypanosiumC.paraneciumD.chlamydomonasE.Diatom Objective Show full explanation
Question 2................ is not a green house gas A.carbon dioxideB.methaneC.chlorofluorocarbonD.nitrous oxideE.hydrogen sulphide Objective Show full explanation
Question 3Which of these ecosystem has the lowest primary productivity per square meter? A.salt marshB.an open oceanC.a coral reefD.a grasslandE.a tropical rain forest Objective Show full explanation
Question 4Homologous chromosome segregate toward opposite poles of a dividing cell during A.mitosisB.meiosisC.meiosis IID.fertilizationE.binary fission Objective Show full explanation
Question 5Which organelle in paramecium is used for osmoregulation? A.ciliaB.nucleusC.contractile vacuoleD.oral grooveE.pellicle Objective Show full explanation
Question 6The shape of the chromosome is best studied during which phase in mitosis? A.prophaseB.metaphaseC.anaphaseD.telophaseE.cytokinesis Objective Show full explanation
Question 7The formation of urine involves all except one IN A.ultra filtrationB.selective re-absorptionC.tubular secretionD.formation of metabolic products E.small molecule pass through the walls of capillaries into the capsular space Objective Show full explanation
Question 8Which of the following movements is seen in Hydra? A.swimmingB.glidingC.looping D.crawlingE.swayingObjective Show full explanation
Question 9Nastic movements is in response toA.gravityB.directional stimuliC.non directional stimuliD.para tonic stimuliE.automatic stimuli Objective Show full explanation
Question 10All are different types of ribonucleic acid except oneA.transfer ribonucleicB.messenger acidC.ribosomal ribonucleic acid D.chromosomal ribonucleic acidE.transfer ribonucleic and ribosomal ribonucleic acid Objective Show full explanation