MCQ Chapter 3 Biology Class 11 Maharashtra Board Kingdom Plantae 1. Which type of life cycle is seen in some algae and fungi?DiplonticHaplonticHaplo-diplonticGametophyticQuestion 1 of 202. What type of life cycle is characteristic of land plants?HaplonticDiplonticHaplo-diplonticSporophyticQuestion 2 of 203. What is the stored food material in Phaeophyceae?Floridean starchMannitol and laminarinTrue starchCelluloseQuestion 3 of 204. Which alga has a plant body differentiated into holdfast, stipe, and frond?SpirogyraChlamydomonasSargassumChlorellaQuestion 4 of 205. What is the economic importance of Laminaria?Used as a fuel sourceUsed as foodProduces agar-agarUsed as a soil binderQuestion 5 of 206. Which plant group prevents soil erosion by forming dense mats?ThallophytaBryophytaPteridophytaGymnospermaeQuestion 6 of 207. What is the structure in mosses that bears sex organs?ProtonemaLeafy stageRhizoidCapsuleQuestion 7 of 208. Which Pteridophyte has microphylls?NephrolepisSelaginellaDryopterisPterisQuestion 8 of 209. What is the primary root in Pteridophytes replaced by?Tap rootsAdventitious rootsCoralloid rootsRhizoidsQuestion 9 of 2010. Which Gymnosperm has unbranched stems?PinusCycasGinkgoSequoiaQuestion 10 of 2011. What type of leaves do Gymnosperms have?Only scale leavesOnly needle-like leavesDimorphic (foliage and scale leaves)Only pinnately compound leavesQuestion 11 of 2012. What is the role of cambium in Gymnosperms?Prevents secondary growthEnables secondary growthProduces sporesForms xylem onlyQuestion 12 of 2013. Which Angiosperm is an example of Dicotyledonae?Zea maysSorghum vulgareHibiscus rosa-sinensisCannaQuestion 13 of 2014. What is the function of rhizoids in Bryophytes?PhotosynthesisReproductionAbsorption and fixationSpore productionQuestion 14 of 2015. Which plant group includes Chara?RhodophyceaeChlorophyceaePhaeophyceaeBryophytaQuestion 15 of 2016. What is the commercial use of Ectocarpus?Food sourceFuel sourceProduces hydrocolloidsSoil binderQuestion 16 of 2017. Which plant group is heterosporous?BryophytaThallophytaAngiospermaePteridophytaQuestion 17 of 2018. What is the structure in Angiosperms that forms the fruit?StamenOvaryPetalSepalQuestion 18 of 2019. Which plant group has a thalloid gametophyte?PteridophytaGymnospermaeLiverwortsAngiospermaeQuestion 19 of 2020. What is the phenomenon called when sporophytic and gametophytic generations occur alternately?Double fertilizationAlternation of generationsSecondary growthSpore formationQuestion 20 of 20 Loading...
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