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Class 11/Question Bank

The Plant Kingdom

Questions on The Plant Kingdom

Plant Kingdom Question Paper - Chapter 1.3

Section A: Multiple Choice Questions (MCQs) - 100 Questions (1 mark each)

Plants are characterized by: a) Prokaryotic cells b) Heterotrophic nutrition c) Cell wall made of cellulose d) Absence of nucleus

The plant kingdom is divided into how many major groups? a) 3 b) 4 c) 5 d) 6

Algae are characterized by: a) True roots, stem, and leaves b) Thalloid structure c) Only terrestrial habitat d) Absence of chlorophyll

Which type of reproduction in algae involves fragmentation? a) Sexual b) Asexual c) Vegetative d) Budding

Zoospores are produced during which type of reproduction? a) Sexual b) Vegetative c) Asexual d) Fragmentation

Isogamous reproduction involves: a) Similar gametes b) Dissimilar gametes c) Large non-motile female gamete d) Only male gametes

Green algae belong to the class: a) Phaeophyceae b) Rhodophyceae c) Chlorophyceae d) Cyanophyceae

The pigments present in green algae are: a) Chlorophyll a and c b) Chlorophyll a and b c) Chlorophyll a and d d) Only chlorophyll a

The stored food in green algae is: a) Starch b) Mannitol c) Laminarin d) Floridean starch

Chlamydomonas is an example of: a) Brown algae b) Red algae c) Green algae d) Blue-green algae

Brown algae are characterized by the presence of: a) Phycoerythrin b) Fucoxanthin c) Only chlorophyll a d) Phycocyanin

The cell wall of brown algae contains: a) Only cellulose b) Cellulose and algin c) Cellulose and pectin d) Only algin

Sargassum is an example of: a) Green algae b) Red algae c) Brown algae d) Blue-green algae

Red algae are characterized by the presence of: a) Fucoxanthin b) Phycoerythrin c) Only chlorophyll b d) Carotenoids

The stored food in red algae is: a) Starch b) Mannitol c) Laminarin d) Floridean starch

Agar is obtained from: a) Sargassum b) Gelidium c) Chlamydomonas d) Fucus

Bryophytes are called: a) Amphibians of plant kingdom b) First terrestrial plants c) Naked seed plants d) Flowering plants

The main plant body in bryophytes is: a) Diploid sporophyte b) Haploid gametophyte c) Triploid d) Tetraploid

Marchantia is an example of: a) Moss b) Liverwort c) Fern d) Gymnosperm

The life cycle of Funaria shows: a) Only sexual reproduction b) Only asexual reproduction c) Alternation of generations d) Vegetative reproduction

Sphagnum is economically important for: a) Timber b) Peat c) Agar d) Resins

Pteridophytes are characterized by: a) Absence of vascular tissues b) Presence of vascular tissues c) Thalloid structure d) Naked seeds

The main plant body in pteridophytes is: a) Haploid gametophyte b) Diploid sporophyte c) Triploid d) Tetraploid

The gametophyte in pteridophytes is called: a) Protonema b) Prothallus c) Archegonium d) Antheridium

Homospory means: a) Production of two types of spores b) Production of one type of spore c) Absence of spores d) Production of seeds

Selaginella shows: a) Homospory b) Heterospory c) Apospory d) Diplospory

Equisetum belongs to the class: a) Psilopsida b) Lycopsida c) Sphenopsida d) Pteropsida

Gymnosperms are characterized by: a) Covered seeds b) Naked seeds c) Absence of seeds d) Fruits

Pinus is: a) Monoecious b) Dioecious c) Hermaphrodite d) Asexual

Male cones in Pinus bear: a) Megasporophylls b) Microsporophylls c) Both d) Neither

The process of CO₂ fixation by algae accounts for: a) 25% of total fixation b) At least 50% of total fixation c) 75% of total fixation d) 100% of total fixation

Carrageenan is obtained from: a) Brown algae b) Green algae c) Red algae d) Blue-green algae

The protonema stage is found in: a) Liverworts b) Mosses c) Ferns d) Gymnosperms

Coralloid roots are found in: a) Pinus b) Cycas c) Funaria d) Selaginella

Mycorrhiza is associated with: a) Cycas b) Pinus c) Marchantia d) Funaria

Anisogamous reproduction involves: a) Similar gametes b) Dissimilar gametes c) Only female gametes d) Only male gametes

Oogamous reproduction involves: a) Similar gametes b) Large non-motile female and small motile male gametes c) Only asexual reproduction d) Fragmentation

The dominant phase in bryophytes is: a) Sporophyte b) Gametophyte c) Both equally d) Neither

The dominant phase in pteridophytes is: a) Sporophyte b) Gametophyte c) Both equally d) Neither

Laminarin is stored food in: a) Green algae b) Brown algae c) Red algae d) Blue-green algae

Gracilaria is used for obtaining: a) Algin b) Agar c) Carrageenan d) Mannitol

The leafy stage in mosses has: a) Horizontally arranged leaves b) Spirally arranged leaves c) Opposite leaves d) Whorled leaves

Gemmae are involved in: a) Sexual reproduction b) Asexual reproduction c) Vegetative reproduction d) Spore formation

The first terrestrial plants with vascular tissues are: a) Bryophytes b) Pteridophytes c) Gymnosperms d) Angiosperms

Adiantum belongs to the class: a) Psilopsida b) Lycopsida c) Sphenopsida d) Pteropsida

Pollination in Pinus occurs through: a) Insects b) Water c) Wind d) Animals

The megasporangium in gymnosperms is present in: a) Male cones b) Female cones c) Both d) Neither

Chilgoza is obtained from: a) Pinus gerardiana b) Cycas c) Ginkgo d) Ephedra

Turpentine is obtained from: a) Angiosperms b) Gymnosperms c) Bryophytes d) Pteridophytes

The cell wall of red algae contains: a) Only cellulose b) Cellulose and algin c) Cellulose, pectin, and polysulphate esters d) Only pectin

Volvox is an example of: a) Unicellular green algae b) Colonial green algae c) Filamentous green algae d) Sheet-like green algae

The water-holding capacity of Sphagnum makes it useful for: a) Fuel only b) Packing material only c) Both fuel and packing material d) Food

Sporangia in pteridophytes produce spores by: a) Mitosis b) Meiosis c) Amitosis d) Fragmentation

The archegonium is found in: a) Male gametophyte b) Female gametophyte c) Sporophyte d) Both gametophytes

Lycopodium belongs to the class: a) Psilopsida b) Lycopsida c) Sphenopsida d) Pteropsida

The pollen tube in gymnosperms carries: a) Female gametes b) Male gametes c) Spores d) Nutrients

Ulothrix is an example of: a) Brown algae b) Red algae c) Green algae d) Blue-green algae

The thallus structure is characteristic of: a) Algae only b) Bryophytes only c) Both algae and bryophytes d) All plant groups

Soil formation and prevention of soil erosion is done by: a) Algae b) Mosses c) Ferns d) Gymnosperms

The precursor to seed habit is: a) Homospory b) Heterospory c) Apospory d) Diplospory

Spirogyra reproduces sexually by: a) Fragmentation b) Zoospores c) Conjugation d) Budding

The embryo in gymnosperms develops from: a) Ovule b) Zygote c) Pollen grain d) Megaspore

N₂-fixing cyanobacteria are associated with: a) Mycorrhiza in Pinus b) Coralloid roots in Cycas c) Roots in ferns d) Thallus in liverworts

Dictyota is an example of: a) Green algae b) Brown algae c) Red algae d) Blue-green algae

The life cycle showing alternation of generations is found in: a) Algae only b) Bryophytes only c) Pteridophytes only d) All plant groups

Hydrocolloids are: a) Water-repelling substances b) Water-holding substances c) Water-conducting substances d) Water-storing substances

The sporophyte in bryophytes is: a) Independent b) Partially dependent on gametophyte c) Completely dependent on gametophyte d) Absent

Salvinia shows: a) Homospory b) Heterospory c) Apospory d) Diplospory

The horsetail is: a) Lycopodium b) Selaginella c) Equisetum d) Psilotum

Female cones in Pinus bear: a) Microsporophylls b) Megasporophylls c) Both d) Neither

Polysiphonia is an example of: a) Green algae b) Brown algae c) Red algae d) Blue-green algae

The creeping, green, branched stage in mosses is: a) Leafy stage b) Protonema stage c) Sporophyte stage d) Spore stage

Water is required for fertilization in: a) Algae only b) Bryophytes only c) Pteridophytes only d) All of the above

The tap root system is found in: a) Algae b) Bryophytes c) Pteridophytes d) Gymnosperms

Chara is an example of: a) Simple green algae b) Complex green algae c) Brown algae d) Red algae

Ice-creams and jellies are made using: a) Algin b) Agar c) Carrageenan d) Laminarin

The upright, slender axis in mosses belongs to: a) Protonema stage b) Leafy stage c) Sporophyte stage d) Spore stage

Cool, damp, shady places are preferred by: a) Algae b) Bryophytes c) Pteridophytes d) Gymnosperms

Dryopteris belongs to the class: a) Psilopsida b) Lycopsida c) Sphenopsida d) Pteropsida

The ovule in gymnosperms develops into: a) Fruit b) Seed c) Embryo d) Pollen grain

Ectocarpus is an example of: a) Green algae b) Brown algae c) Red algae d) Blue-green algae

Fragmentation in liverworts is a type of: a) Sexual reproduction b) Asexual reproduction c) Vegetative reproduction d) Spore formation

The prothallus requires water for: a) Photosynthesis b) Nutrition c) Fertilization d) Respiration

Medium-sized trees or tall trees and shrubs are characteristics of: a) Algae b) Bryophytes c) Pteridophytes d) Gymnosperms

Porphyra is used as: a) Food b) Agar source c) Fuel d) Timber

The gametophyte in bryophytes is: a) Photosynthetic b) Non-photosynthetic c) Parasitic d) Saprophytic

Xylem and phloem are present in: a) Algae b) Bryophytes c) Pteridophytes d) All groups

Wood pulp is obtained from: a) Algae b) Bryophytes c) Pteridophytes d) Gymnosperms

Fucus is an example of: a) Green algae b) Brown algae c) Red algae d) Blue-green algae

The dominant photosynthetic phase in bryophytes is: a) Sporophyte b) Gametophyte c) Both equally d) Neither

Megaspores and microspores are produced in: a) Homospory b) Heterospory c) Apospory d) Diplospory

Resins are obtained from: a) Angiosperms b) Gymnosperms c) Bryophytes d) Pteridophytes

Laminaria is used as: a) Food b) Agar source c) Fuel d) Timber

True roots, stem, and leaves are absent in: a) Algae only b) Bryophytes only c) Both algae and bryophytes d) All plant groups

The small, multicellular, free-living gametophyte in pteridophytes is: a) Protonema b) Prothallus c) Archegonium d) Antheridium

Seeds are not enclosed in fruits in: a) Angiosperms b) Gymnosperms c) Pteridophytes d) Bryophytes

Gelidium is used for obtaining: a) Algin b) Agar c) Carrageenan d) Mannitol

The life cycle of pteridophytes shows: a) Only sexual reproduction b) Only asexual reproduction c) Alternation of generations d) Vegetative reproduction

Timber is obtained from: a) Algae b) Bryophytes c) Pteridophytes d) Gymnosperms

The plant kingdom includes: a) Only autotrophic organisms b) Only heterotrophic organisms c) Both autotrophic and heterotrophic organisms d) Only saprophytic organisms

Section B: Short Answer Questions - 100 Questions (1 mark each)

Define autotrophic nutrition.

Name the major groups of the plant kingdom.

What is a thalloid structure?

Give two examples of green algae.

What is fragmentation?

Define zoospores.

What is isogamous reproduction?

Name the pigments present in brown algae.

What is the stored food in red algae?

From which algae is agar obtained?

Why are bryophytes called amphibians of the plant kingdom?

What is the main plant body in bryophytes?

Give an example of a liverwort.

What is protonema?

What is the economic importance of Sphagnum?

Why are pteridophytes called the first terrestrial plants with vascular tissues?

What is a prothallus?

Define homospory.

Give an example of a heterosporous pteridophyte.

What are gymnosperms?

What is the economic importance of Pinus gerardiana?

Define vegetative reproduction.

What is anisogamous reproduction?

Name the cell wall components of green algae.

What is fucoxanthin?

Give two examples of brown algae.

What is phycoerythrin?

Name two red algae used commercially.

What is alternation of generations?

What are gemmae?

Give an example of a moss.

What is the leafy stage in mosses?

Why do bryophytes depend on water for sexual reproduction?

What are vascular tissues?

Define heterospory.

Give an example from class Lycopsida.

What is Equisetum commonly called?

Give two examples of ferns.

What is the main characteristic of gymnosperm seeds?

What is a monoecious plant?

What are microsporophylls?

What are megasporophylls?

What is pollination?

What develops from the zygote in gymnosperms?

What is the role of algae in CO₂ fixation?

What is algin used for?

What is carrageenan?

What is mannitol?

What is laminarin?

What is floridean starch?

Give an example of colonial green algae.

What is the function of Sphagnum in soil formation?

What is meiosis?

What is an archegonium?

What is an antheridium?

Give an example from class Sphenopsida.

What is Psilotum?

What are coralloid roots?

What is mycorrhiza?

What are N₂-fixing cyanobacteria?

What is a pollen tube?

What is fertilization?

What is an embryo?

What is turpentine?

What are resins?

What is wood pulp?

What is conjugation in Spirogyra?

What is the dominant phase in pteridophytes?

What is the dominant phase in bryophytes?

What are hydrocolloids?

What is oogamous reproduction?

Give an example of a simple green alga.

What is the cell wall composition of brown algae?

What is the cell wall composition of red algae?

What is the stored food in brown algae?

What is the stored food in green algae?

What is a sporangia?

What is a megaspore?

What is a microspore?

What is a sporophyte?

What is a gametophyte?

What is photosynthesis?

What is chlorophyll?

What are cones?

What is wind pollination?

What is seed development?

What is an ovule?

What is a megasporangium?

What is a microsporangium?

What are male gametes?

What are female gametes?

What is a zygote?

What is germination?

What is reproduction?

What is asexual reproduction?

What is sexual reproduction?

What is the plant body?

What is differentiation?

What is a life cycle?

What is economic importance?

Section C: Short Answer Questions - 100 Questions (2 marks each)

Distinguish between autotrophic and heterotrophic nutrition.

Compare the characteristics of algae and bryophytes.

Explain the three types of sexual reproduction in algae.

Describe the classification of algae based on pigments.

Compare green algae and brown algae.

Explain the economic importance of algae.

Why are bryophytes called amphibians of the plant kingdom?

Describe the life cycle of bryophytes.

Compare liverworts and mosses.

Explain the economic importance of bryophytes.

What are the characteristics of pteridophytes?

Describe the life cycle of pteridophytes.

Compare homospory and heterospory.

Explain the classification of pteridophytes.

What are the general features of gymnosperms?

Describe the structure of male and female cones in Pinus.

Explain pollination and fertilization in Pinus.

Discuss the economic importance of gymnosperms.

Compare the dominant phases in bryophytes and pteridophytes.

Explain the role of water in plant reproduction.

Describe the structure and function of vascular tissues.

Compare sexual and asexual reproduction in plants.

Explain the significance of alternation of generations.

Describe the adaptations of bryophytes to terrestrial life.

Explain the evolutionary significance of heterospory.

Compare the gametophyte and sporophyte phases.

Describe the structure and function of sporangia.

Explain the process of spore formation and germination.

Compare the reproductive strategies of different plant groups.

Describe the ecological importance of mosses.

Explain the structure and function of prothallus.

Compare the root systems in different plant groups.

Describe the association of fungi with plant roots.

Explain the role of cyanobacteria in plant nutrition.

Compare monoecious and dioecious plants.

Describe the process of seed development in gymnosperms.

Explain the adaptations of gymnosperms to terrestrial life.

Compare the cell wall composition of different algae.

Describe the storage products of different algae.

Explain the commercial uses of algae.

Compare the protonema and leafy stages in mosses.

Describe the structure and function of gemmae.

Explain the importance of water in bryophyte reproduction.

Compare the sporophyte dependence in bryophytes and pteridophytes.

Describe the characteristics of ferns.

Explain the classification of pteridophytes with examples.

Compare the spore types in pteridophytes.

Describe the structure of gymnosperm seeds.

Explain the process of wind pollination.

Compare the reproductive structures of gymnosperms.

Describe the nutritional adaptations in gymnosperms.

Explain the economic uses of pine trees.

Compare the life cycles of bryophytes and pteridophytes.

Describe the evolutionary significance of vascular tissues.

Explain the role of spores in plant reproduction.

Compare the habitats of different plant groups.

Describe the structure and function of archegonia.

Explain the process of fertilization in land plants.

Compare the embryo development in different plant groups.

Describe the adaptations for terrestrial life.

Explain the significance of the seed habit.

Compare the nutritional strategies of plant groups.

Describe the role of bryophytes in ecosystem.

Explain the commercial importance of red algae.

Compare the pigment systems of different algae.

Describe the structure of brown algae.

Explain the reproduction in Spirogyra.

Compare the thallus structure in algae and bryophytes.

Describe the economic importance of Sphagnum.

Explain the structure of pteridophyte sporophyte.

Compare the gametophyte structure in bryophytes and pteridophytes.

Describe the process of alternation of generations.

Explain the evolutionary trends in plant kingdom.

Compare the water requirements of different plant groups.

Describe the structure and function of male cones.

Explain the structure and function of female cones.

Compare the pollination mechanisms in plants.

Describe the process of seed formation.

Explain the adaptations of seeds for dispersal.

Compare the economic importance of different plant groups.

Describe the role of algae in aquatic ecosystems.

Explain the structure of red algae.

Compare the reproductive methods in algae.

Describe the structure of liverworts.

Explain the structure of mosses.

Compare the spore production in bryophytes and pteridophytes.

Describe the structure of fern sporophyte.

Explain the heterosporous condition in pteridophytes.

Compare the root structures in gymnosperms.

Describe the symbiotic associations in gymnosperms.

Explain the structure of gymnosperm leaves.

Compare the cone structure in gymnosperms.

Describe the process of pollen tube formation.

Explain the structure of gymnosperm embryo.

Compare the seed structure in gymnosperms.

Describe the ecological role of gymnosperms.

Explain the industrial uses of algae.

Compare the cell wall structures in plants.

Describe the pigment diversity in algae.

Explain the evolutionary significance of plant kingdom classification.

Section D: Long Answer Questions - 100 Questions (3 marks each)

Describe the general characteristics of plants and explain the basis of classification of plant kingdom.

Explain the characteristics of algae and describe their classification based on pigments and stored food.

Describe the economic importance of algae with specific examples.

Explain the three types of sexual reproduction in algae with examples.

Compare and contrast the characteristics of green, brown, and red algae.

Describe the characteristics of bryophytes and explain why they are called amphibians of the plant kingdom.

Explain the life cycle of Funaria and describe the concept of alternation of generations.

Compare liverworts and mosses with respect to their structure and reproduction.

Describe the economic importance of bryophytes and their ecological role.

Explain the characteristics of pteridophytes and describe their evolutionary significance.

Describe the life cycle of pteridophytes and explain the structure and function of prothallus.

Compare homospory and heterospory in pteridophytes and explain the evolutionary significance of heterospory.

Describe the classification of pteridophytes with examples from each class.

Explain the general features of gymnosperms and describe their adaptations to terrestrial life.

Describe the life cycle of Pinus and explain the process of pollination and fertilization.

Explain the structure of male and female cones in Pinus and describe seed development.

Describe the economic importance of gymnosperms with specific examples.

Compare the dominant phases in bryophytes, pteridophytes, and gymnosperms.

Explain the evolutionary trends in plant kingdom from algae to gymnosperms.

Describe the role of water in plant reproduction and explain the adaptations for terrestrial life.

Explain the structure and function of vascular tissues and their evolutionary significance.

Describe the different types of spores and explain their role in plant reproduction.

Compare the reproductive strategies of bryophytes and pteridophytes.

Explain the concept of alternation of generations and describe its occurrence in different plant groups.

Describe the structure and reproduction of Chlamydomonas and Volvox.

Explain the structure and reproduction of Spirogyra and describe conjugation.

Describe the structure and economic importance of Sargassum and Laminaria.

Explain the structure and commercial uses of Gelidium and Gracilaria.

Describe the structure and reproduction of Marchantia.

Explain the structure and life cycle of Funaria in detail.

Describe the economic importance of Sphagnum and its ecological role.

Explain the structure and reproduction of a typical fern.

Describe the heterosporous condition in Selaginella and its significance.

Explain the structure and reproduction of Equisetum.

Describe the structure and adaptations of Pinus needles.

Explain the root modifications in gymnosperms and their significance.

Describe the process of seed formation and germination in gymnosperms.

Explain the industrial and commercial uses of algae.

Describe the role of algae in carbon fixation and their environmental importance.

Explain the structure and reproduction of brown algae with examples.

Describe the structure and reproduction of red algae with examples.

Compare the cell wall composition and storage products of different algae.

Explain the adaptations of bryophytes to terrestrial environment and their limitations.

Describe the structure and function of bryophyte sporophyte.

Explain the ecological importance of mosses in soil formation and erosion control.

Describe the structure and reproduction of pteridophyte gametophyte.

Explain the evolutionary significance of vascular tissues in pteridophytes.

Describe the classification of pteridophytes and give examples of each class.

Explain the structure and function of sporangia in pteridophytes.

Describe the process of spore formation and germination in pteridophytes.

Explain the heterosporous condition and its evolutionary significance.

Describe the structure and adaptations of gymnosperm leaves.

Explain the structure and function of gymnosperm roots.

Describe the symbiotic associations in gymnosperms and their importance.

Explain the process of pollination in gymnosperms and its mechanisms.

Describe the structure and development of gymnosperm seeds.

Explain the economic importance of gymnosperms in forestry and industry.

Compare the life cycles of bryophytes, pteridophytes, and gymnosperms.

Describe the evolutionary trends in plant reproduction from algae to gymnosperms.

Explain the adaptations of different plant groups to their respective environments.

Describe the structure and reproduction of Ulothrix and Chara.

Explain the commercial extraction and uses of agar from red algae.

Describe the structure and reproduction of Polytrichum and Sphagnum.

Explain the structure and reproduction of Lycopodium and Selaginella.

Describe the structure and reproduction of Dryopteris and Adiantum.

Explain the structure and reproduction of Cycas and its primitive features.

Describe the evolutionary significance of seed habit in gymnosperms.

Explain the role of different plant groups in ecosystem functioning.

Describe the adaptations of algae to aquatic environment.

Explain the structure and function of different types of algal thalli.

Describe the process of sexual reproduction in bryophytes.

Explain the structure and function of bryophyte reproductive organs.

Describe the alternation of generations in pteridophytes.

Explain the structure and function of pteridophyte reproductive structures.

Describe the monoecious condition in gymnosperms and its advantages.

Explain the structure and function of gymnosperm reproductive organs.

Describe the process of fertilization in gymnosperms.

Explain the structure and development of gymnosperm embryo.

Describe the ecological and economic importance of different plant groups.

Explain the evolutionary relationships between different plant groups.

Describe the structure and reproduction of marine algae.

Explain the commercial cultivation and uses of algae.

Describe the structure and ecology of terrestrial bryophytes.

Explain the role of bryophytes in plant succession.

Describe the structure and ecology of pteridophytes.

Explain the distribution and habitat preferences of pteridophytes.

Describe the structure and ecology of gymnosperms.

Explain the distribution and habitat preferences of gymnosperms.

Describe the comparative morphology of different plant groups.

Explain the comparative anatomy of different plant groups.

Describe the comparative reproduction of different plant groups.

Explain the comparative life cycles of different plant groups.

Describe the phylogenetic relationships in plant kingdom.

Explain the evolutionary significance of plant kingdom classification.

Describe the economic botany of lower plant groups.

Explain the biotechnological applications of algae and bryophytes.

Describe the conservation importance of different plant groups.

Explain the ecological roles of different plant groups in their ecosystems.

Describe the future prospects and research directions in plant kingdom studies.

Explain the comprehensive overview of plant kingdom diversity and evolution.

Cite:Titas Mallick. "The Plant Kingdom" in BioNotes.

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Plant Kingdom Question Paper - Chapter 1.3 Section A: Multiple Choice Questions (MCQs) - 100 Questions (1 mark each)Section B: Short Answer Questions - 100 Questions (1 mark each)Section C: Short Answer Questions - 100 Questions (2 marks each)Section D: Long Answer Questions - 100 Questions (3 marks each)