Plant kingdom MCQs with Answers

Question-1. A plant having seeds but lacking flowers and fruits belongs to

1. pteridophytes
2. mosses
3. ferns
4. gymnosperms

Question-2. A plant in which sporophytic generation is represented by zygote is

1. Pinus
2. Selaginella
3. Chlamydomonas
4. Dryopteris

Question-3. A water fern which is used as a green manure in rice fields is

1. Azolla
2. Mucor
3. Salvinia
4. Aspergillus

Question-4. A well developed archegonium with neck consisting of 4-6 rows of neck canal cells, characterises

1. gymnosperms only
2. bryophytes and pteridophytes
3. pteridophytes and gymnosperms
4. gymnosperms and flowering plants

Question-5. Agar is commercially obtained from

1. red algae
2. green algae
3. brown algae
4. blue-green algae

Question-6. Algae have cell wall made up of

1. cellulose, galactans and mannans
2. hemicellulose, pectins and proteins
3. pectins, cellulose and proteins
4. cellulose, hemicellulose and pectins

Question-7. An alga very rich in protein is

1. Spirogyra
2. Ulothrix
3. Oscillatoria
4. Chlorella

Question-8. Apophysis in the capsule of Funaria is

1. lower part
2. upper part
3. middle part
4. fertile part

Question-9. Blue-green algae belong to

1. eukaryotes
2. prokaryotes
3. Rhodophyceae
4. Chlorophyceae

Question-10. Brown algae is characterized by the presence of

1. phycocyanin
2. phycoerythrin
3. fucoxanthin
4. haematochrome

Question-11. Bryophytes are amphibians because

1. they require a layer of water for carrying out sexual reproduction
2. they occur in damp places
3. they are mostly aquatic
4. All of the above

Question-12. Bryophytes are dependent on water because

1. water is essential for fertilization for their homosporous nature
2. water is essential for their vegetative propagation
3. the sperms can easily reach upto egg in the archegonium
4. archegonium has to remain filled with water for fertilization

Question-13. Bryophytes can be separated from algae because they

1. are thalloid forms
2. have no conducting tissue
3. possess archegonia with outer layer of sterile cells
4. contain chloroplasts in their cells

Question-14. Chloroplast of Chlamydomonas is

1. stellate
2. cup-shaped
3. collar-shaped
4. spiral

Question-15. Columella is a specialised structure found in the sporangium of

1. Ulothrix
2. Rhizopus
3. Spirogyra
4. None of these

Question-16. Dichotomous branching is found in

1. fern
2. Funaria
3. liverworts
4. Marchantia

Question-17. Evolutionary important character of Selaginella is

1. heterosporous nature
2. rhizophore
3. strobili
4. ligule

Question-18. Floridean starch is found in

1. Rhodophyceae
2. Chlorophyceae
3. Phaeophyceae
4. Cyanophyceae

Question-19. How many meiotic division would be required to produce 101 female gametophytes in an angiosperm?

1. 101
2. 127
3. 26
4. None of these

Question-20. In Chlorophyceae, sexual reproduction occurs by

1. isogamy, anisogamy and oogamy
2. oogamy only
3. anisogamy and oogamy
4. isogamy and anisogamy

Question-21. In fern, spores are formed in

1. sporangium
2. archegonium
3. oogonium
4. stomium

Question-22. In gymnosperms, the ovule is naked because

1. ovary wall is absent
2. perianth is absent
3. integuments are absent
4. nucellus is absent

Question-23. In Pinus / gymnosperms, the haploid structure are

1. megaspore, endosperm and embryo
2. megaspore, pollen grain and endosperm
3. megaspore, integument and root
4. pollen grain, leaf and root

Question-24. In Pinus, the pollen grain has 6 chromosomes then its endosperm will have the chromosome

1. 12
2. 18
3. 6
4. 24

Question-25. In sexual life cycle of Agaricus, dikaryotization (n + n) is brought about by

1. Fusion of vegetative cells of different genotypes
2. Somatogamy between basidiospores
3. Fusion of motile gametes
4. Fusion of male and female sex organs

Question-26. In Ulothrix / Spirogyra, reduction division (meiosis) occurs at the time of

1. gamete formation
2. zoospore formation
3. zygospore germination
4. vegetative reproduction

Question-27. In which of the following would you place the plants having vascular tissue, lacking seeds?

1. Algae
2. Bryophytes
3. Pteridophytes
4. Gymnosperms

Question-28. In which one of these the elaters are present along with mature spores in the capsule (to help in spore dispersal)?

1. Riccia
2. Marchantia
3. Funaria
4. Sphagnum

Question-29. Laminaria (kelp) and Fucus (rock wee

1. are the examples of
2. brown algae
3. green algae
4. golden brown algaed) red algae

Question-30. Largest sperms in the plant world are found in

1. Pinus
2. Banyan
3. Cycas
4. Thuja

Question-31. Moss peristome takes part in

1. spore dispersal
2. photosynthesis
3. protection
4. absorption

Question-32. Most plants are green in colour because

1. chlorophyll is least effective in absorbing green light.
2. green light allows maximum photosynthesis.
3. green light is the most effective wavelength region of the visible spectrum in sunlight for photosynthesis.
4. the atmosphere filters out all the colours of the visible light spectrum except green.

Question-33. Multicellular branched rhizoids and leafy gametophytes are characteristics of

1. all bryophytes
2. some bryophytes
3. all pteridophytes
4. some pteridophytes

Question-34. Peat moss is another name of

1. Sphagnum
2. Riccia
3. Marchantia
4. Dryopteris

Question-35. Pinus differs from mango in having

1. tree habit
2. green leaves
3. ovules not enclosed in ovary
4. wood

Question-36. Protonema occurs in the life cycle of

1. Riccia
2. Funaria
3. Chlamydomonas
4. Spirogyra

Question-37. Pteridophytes differ from mosses / bryophytes in possessing

1. independent gametophyte
2. well developed vascular system
3. archegonia
4. flagellate spermatozoids

Question-38. Pyrenoids are the centres for formation of

1. porphyra
2. enzymes
3. fat
4. starch

Question-39. Resin and terpentine are obtained from

1. Cycas
2. Pinus
3. Cedrus
4. Abies

Question-40. Sperms of both Funaria and Pteris were released together near the archegonia of Pteris.Only Pteris sperms enter the archegonia as

1. Pteris archegonia repel Funaria sperms
2. Funaria sperms get killed by Pteris sperms
3. Funaria sperms are less mobile
4. Pteris archegonia release chemical to attract its sperms

Question-41. The wing of Pinus seed is derived from

1. testa
2. testa and tegmen
3. surface of ovuliferous scale
4. All of the above

Question-42. The absence of chlorophyll, in the lowermost cell of Ulothrix, shows

1. functional fission
2. tissue formation
3. cell characteristic
4. beginning of labour division

Question-43. The antherozoids of Funaria are

1. aciliated
2. biflagellated
3. multiciliated
4. monociliated

Question-44. The common mode of sexual reproduction in Chlamydomonas is

1. isogamous
2. anisogamous
3. oogamous
4. hologamous

Question-45. The largest flower found is known as

1. Rafflesia
2. Musa
3. Cauliflower
4. Tecoma

Question-46. The plant body of moss (Funari

1. isa) completely sporophyte
2. completely gametophyte
3. predominantly sporophyte with gametophyte
4. predominantly gametophyte with sporophyte

Question-47. The plant group that produces spores and embryo but lacks vascular tissues and seeds is

1. Pteridophyta
2. Rhodophyta
3. Bryophyta
4. Phaeophyta

Question-48. The product of conjugation in Spirogyra or fertilization of Chlamydomonas is

1. zygospore
2. zoospore
3. oospore
4. carpospore

Question-49. Ulothrix can be described as a

1. non-motile colonial alga lacking zoospores
2. filamentous alga lacking flagellated reproductive stages
3. membranous alga producing zoospores
4. filamentous alga with flagellated reproductive stages

Question-50. Ulothrix filaments produce

1. isogametes
2. anisogametes
3. heterogametes
4. basidiospores

Question-51. Unique features of bryophytes is that they

1. produce spores
2. have sporophyte attached to gametophyte
3. lack roots
4. lack vascular tissues

Question-52. What is the similarity between gymnosperms and angiosperms ?

1. Both have leaves, stem and roots
2. Origin of ovule and seed is similar in both
3. Endosperm is formed before fertilization in both
4. Phloem of both have companian cells

Question-53. Which of the following cannot fix nitrogen?

1. Nostoc
2. Azotobacter
3. Spirogyra
4. Anabaena

Question-54. Which of the following cell organelle remains enveloped by a single unit membrane?

1. Lysosomes
2. Chloroplast
3. Mitochondria
4. Nucleus

Question-55. Which of the following is true about bryophytes?

1. They possess archegonia
2. They contain chloroplast
3. They are thalloid
4. All of the above

Question-56. Which one has the largest gametophyte?

1. Cycas
2. Angiosperm
3. Selaginella
4. Moss

Question-57. Which one is the most advanced from evolutionary point of view?

1. Selaginella
2. Funaria
3. Chlamydomonas
4. Pinus

Question-58. Which one of the following is a correct statement ?

1. Origin of seed habit can be traced in pteridophytes
2. Antheridiophores and archegoniophores are present in pteridophytes
3. In gymnosperms female gametophyte is free-living
4. None of these

Question-59. Which one of the following is a living fossil?

1. Pinus
2. Opuntia
3. Ginkgo
4. Thuja

Question-60. Which one of the following is not common between Funaria and Selaginella?

1. Archegonium
2. Embryo
3. Flagellate sperms
4. Roots

Question-61. Which one of the following is the major difference between mosses and ferns ?

1. Sporophytes of ferns live much longer as compared to the sporophytes of mosses.
2. Vascular bundles of ferns show xylem vessels while those of mosses lack it
3. Mosses are facultative aerobes while ferns are obligate aerobes.
4. Ferns lack alternation of generation while mosses show the same.

Question-62. Which one of the following statements about Cycas is incorrect?

1. It does not have a well-organised female flower
2. It has circinate vernation
3. Its xylem is mainly composed of xylem vessels
4. Its roots contain some blue-green algae

Question-63. Which plays an important role in the dispersal of spores in Funaria?

1. Peristome and annulus
2. Sporogonium
3. Capsule
4. Operculum