Plant kingdom MCQs with Answers

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

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

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

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

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

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

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

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

Question-5. Agar is commercially obtained from

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

Question-6. Algae have cell wall made up of

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

Question-7. An alga very rich in protein is

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

Question-8. Apophysis in the capsule of Funaria is

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

Question-9. Blue-green algae belong to

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

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

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

Question-11. Bryophytes are amphibians because

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

Question-12. Bryophytes are dependent on water because

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

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

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

Question-14. Chloroplast of Chlamydomonas is

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

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

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

Question-16. Dichotomous branching is found in

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

Question-17. Evolutionary important character of Selaginella is

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

Question-18. Floridean starch is found in

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

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

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

Question-20. In Chlorophyceae, sexual reproduction occurs by

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

Question-21. In fern, spores are formed in

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Question-31. Moss peristome takes part in

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

Question-32. Most plants are green in colour because

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

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

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

Question-34. Peat moss is another name of

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

Question-35. Pinus differs from mango in having

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

Question-36. Protonema occurs in the life cycle of

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

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

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

Question-38. Pyrenoids are the centres for formation of

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

Question-39. Resin and terpentine are obtained from

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

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

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

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

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

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

Question-43. The antherozoids of Funaria are

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

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

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

Question-45. The largest flower found is known as

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

Question-46. The plant body of moss (Funari

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

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

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

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

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

Question-49. Ulothrix can be described as a

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

Question-50. Ulothrix filaments produce

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

Question-51. Unique features of bryophytes is that they

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

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

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

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

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

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

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

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

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

Question-56. Which one has the largest gametophyte?

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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