How do Organisms Reproduce?

Class 10 · Science

150 questions50 easy50 medium50 hard

Sample Questions

Q1.During the menstrual cycle, the endometrium thickens. What is the biological purpose of this?

ATo prepare for the release of an egg
BTo provide a nutritive lining for implantation of a fertilized egg
CTo prevent sperm from entering the uterus
DTo produce estrogen and progesterone

Q2.In human reproduction, the zygote undergoes cleavage divisions as it travels down the fallopian tube. By the time it reaches the uterus, it is called a blastocyst. What is the approximate time taken from fertilization to implantation?

AWithin 24 hours of fertilization
BAbout 6 to 10 days after fertilization
CExactly 28 days after fertilization
DAt the beginning of the second trimester

Q3.After fertilization in flowering plants, the ovule develops into a:

AFruit
BSeed
CFlower
DPollen grain

Q4.Bananas, roses, and jasmine are often propagated vegetatively because they:

ACannot survive from seeds
BHave lost the capacity to produce seeds
CProduce more genetic variation vegetatively
DGrow faster from spores

Q5.In which organism does binary fission occur in a definite orientation related to its whip-like structure?

AAmoeba
BLeishmania
CPlasmodium
DYeast

Q6.This is a sample question to preview what you'll get in the full practice test...

A. Option one
B. Option two
C. Option three
D. Option four

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Concepts Covered

AIDSAmoebaBryophyllumCopper-TDNADNA copyingDNA mutationDNA replicationDNA variationHIVHIV preventionHIV/AIDSHydraIUDIVFLH FSHLeishmaniaMuller's ratchetPlanariaPlasmodiumRhizopusS phaseSTD complicationsSTD preventionSTDsSpirogyraTreponema pallidumaccessory glandsadolescenceadolescent healthadvantagesadventitious rootsallele frequencyangiospermsantherantiviral vs antibioticasexual reproductionasymptomatic infectionasymptomatic infectionsbacteriabacterial STDsbarrier methodsbinary fissionblastocystbody designbody organisationbread mouldbuddingcell cyclecell differentiationcell divisioncell division orientationcell proliferationcell specialisationcentral dogmachemotropismchromosome numbercloningcondomcondomscontraceptioncontraception comparisoncontraception mechanismcorpus luteumcrop diseasecross-pollinationdevelopmentdiploiddisease resistancedormancydouble fertilizationearly embryo developmentearly embryo nutritionearly pregnancyecologyembryo nutritionemergency contraceptionendometriumendospermestrogenevolutionexperimental designfallopian tubefemale reproductive systemfemale sterilizationfertilizationfidelityfissionflagellumflower partsflowersfoetal developmentfoetal nutritionfoetal tolerancefragmentationfruit formationgametesgenetic continuitygenetic identitygenetic lineagegenetic recombinationgenetic uniformitygenetic variationgestation periodgraftinghCGhaploidheritable variationhormonal contraceptiveshormonal regulationhormoneshybrid plantsimmune systemimplantationindividual vs species benefitinheritanceinsect-pollinationlayeringleaf propagationlethal mutationmalaria life cyclemale gametemale gametesmale reproductive systemmale sterilizationmeiosismenarchemenstrual cyclemenstruationmeristematic tissuemitosismodes of reproductionmulticellular organismsmultiple fissionmutationmutation accumulationnatural selectionnichenodesoral contraceptivesovaryovulationovulepetalspistilplacentaplacenta developmentplant reproductionplant reproduction strategypollenpollen germinationpollen overproductionpollen tubepollen tube growthpollinationpollination adaptationspollination efficiencypollination vectorspopulationpopulation stabilitypost-fertilizationpost-fertilization changespregnancyprimary sexual characteristicsprogesteroneprostate glandprotective coatprotein synthesisproteinspubertyregenerationreproductionreproduction basicsreproduction distinctionreproductive healthreproductive isolationrole of petalsschizogonyscrotumsecondary sexual characteristicsseed formationseedless plantsseedsself-pollinationsemensequence of eventssexual reproductionsexual reproduction in plantsspecies compatibilityspecies survivalsperm structurespermatogenesisspore characteristicsspore formationsporesstamenstem cellsstem cuttingsstem modificationsterilizationstigmastylesyphilistestestotipotencytransmissiontreatmenttriploidtubectomytubersuterusvariationvas deferensvasectomyvegetative propagationviral integrationwind-pollinationwound healingyeast

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