Plant Kingdom Multiple Choice Questions and Answers

1. A virus can be considered a living organism because it
  1. responds to touch stimulus
  2. respires
  3. reproduces (inside the host)
  4. can cause disease

Answer: reproduces (inside the host)

2. Which of the following pair is correctly matched ?
  1. fungi saprophytic parasitic mode of nutrition.
  2. monera nuclear membrane is present.
  3. plantae cell wall is made up of cellulose.
  4. animalia cell wall is absent.

Answer: monera nuclear membrane is present.

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3. Which one is not an exception in angiosperms?
  1. Double fertilization
  2. Secondary growth
  3. Presence of vessels
  4. Autotrophic nutrition

Answer: Double fertilization

4. Plants having vascular tissue without seeds
  1. Angiosperm
  2. Pteridophytes
  3. Bryophytes
  4. Gymnosperms

Answer: Pteridophytes

5. Conifers can tolerate extreme environments because of
  1. Presence of vessels
  2. Thick cuticle
  3. Superficial stomata
  4. Broad hardy leaves

Answer: Thick cuticle

6. The cell wall of Spirogyra contains
  1. Cellulose
  2. Chitin
  3. Lignin
  4. Suberin

Answer: Cellulose

7. Isogamous condition with non-flagellated gametes is found in
  1. Chlamydomonas
  2. Volvox
  3. Spirogyra
  4. Fucus

Answer: Spirogyra

8. The transport of male gametes in bryophytes and pteridophytes occurs through
  1. Wind
  2. Water
  3. Birds
  4. Insects

Answer: Water

9. Which of the below statements is false?
  1. Pteridophytes reproduce by spores, following the cryptogamic principle,
  2. Sporophytes are the primary plant body in pteridophytes,
  3. Pteridophytes thrive in arid and chilly environments, such as mountains,
  4. Pteridophytes contain specialized vascular tissues.

Answer: Pteridophytes thrive in arid and chilly environments, such as mountains,

10. Yeast is not included in protozoans but in fungi because
  1. it has no chlorophyll.
  2. some fungal hyphae grow in such a way that they give the appearance of pseudomycelium.
  3. it has eukaryotic organization.
  4. cell wall is made up of cellulose and reserve food material is starch.

Answer: some fungal hyphae grow in such a way that they give the appearance of pseudomycelium.

11. Most primitive vascular plants?
  1. Mosses
  2. Cycads
  3. Kelps
  4. Ferns

Answer: Ferns

12. Plants reproducing by spores are grouped under
  1. Bryophytes
  2. Sporophytes
  3. Cryptogams
  4. Thallophytes

Answer: Cryptogams

13. Double fertilization is the characteristic of
  1. Algae
  2. Gymnosperms
  3. Fungi
  4. Angiosperms

Answer: Angiosperms

14. Which one is responsible for the formation of peat?
  1. Riccia
  2. Sphagnum
  3. Marchantia
  4. Funaria

Answer: Sphagnum

15. Vascular bundles are not found in
  1. Gymnosperms
  2. Pteridophytes
  3. Angiosperms
  4. Bryophytes

Answer: Bryophytes

16. Bacteria lack alternation of generation because there is
  1. neither syngamy nor reduction division.
  2. no distinct chromosomes.
  3. no conjugation.
  4. no exchange of genetic material.

Answer: neither syngamy nor reduction division.

17. The plant group that posses the largest ovule, largest gametes, and largest tree
  1. Angiosperms
  2. Gymnosperms
  3. Pteridophytes
  4. Bryophytes

Answer: Gymnosperms

18. Prothallus gives rise to sporophyte without fertilization. This is known as
  1. Apogamy
  2. Parthenocarpy
  3. Parthenogenesis
  4. Apospory

Answer: Apogamy

19. Which of the phrases regarding bryophytes below is false?
  1. Bryophytes stop soil erosion,
  2. They break down rocks to create rich soil,
  3. They are utilized as fuel and as packing materials,
  4. Food packaging materials are made of bryophytes since they don’t absorb water.

Answer: Food packaging materials are made of bryophytes since they don’t absorb water.

20. What statement regarding the haplontic life cycle is incorrect?
  1. The predominant stage of its life cycle is the gametophyte stage.
  2. Sporophytes live independently.
  3. Spores are haploid in nature, and they divide during mitosis to generate gametophytes.
  4. Zygote functions as a sporophyte.

Answer: The predominant stage of its life cycle is the gametophyte stage.

21. Lichens indicate SO2 pollution because they
  1. show association between algae and fungi.
  2. grow faster than others.
  3. are sensitive to so2.
  4. flourish in so2 rich environment.

Answer: are sensitive to so2.

22. Zygotic meiosis is the characteristic of
  1. Fucus
  2. Funaria
  3. Marchantia
  4. Chlamydomonas

Answer: Chlamydomonas

23. Royal Botanical Garden is situated at
  1. United States of America
  2. England
  3. French
  4. India

Answer: England

24. ”An Integrated system of classification of flowering plants” appeared in the year
  1. 1881
  2. 1981
  3. 1883
  4. 1859

Answer: 1981

25. When a moist bread is kept exposed in air, it becomes mouldy and black because
  1. spores are present in the water.
  2. spores are present in the bread.
  3. spores are present in the air.
  4. the bread decomposes.

Answer: spores are present in the bread.

26. Which of the following statements concerning the diplontic life cycle is false?
  1. Sporophyte is the dominant phase,
  2. All spermatophytes have a diplontic life cycle,
  3. Sporophytes and gametophytes are mutually dependent,
  4. Sporophyte feeds on the gametophyte.

Answer: Sporophytes and gametophytes are mutually dependent,

27. Which of the following statements concerning gymnosperm reproduction is false?
  1. Microsporangium contains microsporocytes that go through meiosis to become microspores,
  2. Microspores then go through reduction division to create microgametophytes,
  3. Microgametophytes are also known as pollen grains,
  4. Wind, water, and insects function as dispersion agents for pollination.

Answer: Microsporangium contains microsporocytes that go through meiosis to become microspores,

28. Thalamus is prominent in
  1. Thalamiflorae
  2. Disciflorae
  3. Caliciflorae
  4. Inferae

Answer: Caliciflorae

29. Which of the following groups of protozoan is not correctly matched with its feature?
  1. Amoeboid – Marine forms have silica shells on their surface.
  2. Flagellated – Either free living or parasitic.
  3. Ciliated – Actively moving organisms due to presence of cilia.
  4. Sporozoans – Move and capture their prey with the help of false feet.

Answer: Sporozoans – Move and capture their prey with the help of false feet.

30. A colonial alga is
  1. Volvox
  2. Chlorella
  3. Ulothrix
  4. Spirogyra

Answer: Volvox

31. The family Gnetaceae is included under
  1. Monochlamydae
  2. Monocotyledons
  3. Dicotyledons
  4. Gymnosperms

Answer: Gymnosperms

32. A good example for natural system of classification is that proposed by
  1. Carolus Linnaeus
  2. Bentham and Hooker
  3. Adolf Engler and Karl Prantl
  4. Arthur Cronquist and Adjunct

Answer: Bentham and Hooker

33. The system of classification widely accepted and followed in India is the one proposed by
  1. Carleus Linnaeus
  2. Adolf Engler and Karl Prantl
  3. Lamarck
  4. Bentham and Hooker

Answer: Bentham and Hooker

34. Linnaeus is credited with introducing
  1. The concept of inheritance
  2. Law of limiting factor
  3. Theory of heredity
  4. Binomial nomenclature

Answer: Binomial nomenclature

35. In some viruses, RNA is present instead of DNA indicating that
  1. their nucleic acid must combine with host DNA before replication.
  2. they cannot replicate.
  3. there is no hereditary information.
  4. RNA can transfer heredity material.

Answer: RNA can transfer heredity material.

36. A plant that has seeds but no flowers and fruits?
  1. Bryophytes
  2. Gymnosperms
  3. Mosses
  4. Pteridophytes

Answer: Gymnosperms

37. Zygotic meiosis is the characteristic of
  1. Fucus
  2. Funaria
  3. Marchantia
  4. Chlamydomonas

Answer: Chlamydomonas

38. Agar is commercially obtained from
  1. Blue-green algae
  2. Red algae
  3. Brown algae
  4. Green algae

Answer: Red algae

39. The exine of pollen grain comprises
  1. Pectin and cellulose
  2. Lignocellulose
  3. Pollenkit
  4. Sporopollenin

Answer: Sporopollenin

40. What distinguishes liverworts from mosses in particular?
  1. Mosses have vascular tissue that liverworts lack.
  2. In contrast to liverworts, mosses have an intermediate stage known as protonema.
  3. Mosses grow taller, whilst liverworts do not.
  4. Sporophytes, specialized bodies found only in mosses, are missing in liverworts.

Answer: In contrast to liverworts, mosses have an intermediate stage known as protonema.

41. The later system of classification laid more importance
  1. Reproductive characters
  2. Vegetative characters
  3. Anatomical characters
  4. None of these

Answer: Reproductive characters

42. Pteridophytes differ from mosses in
  1. Independent gametophyte
  2. Dependent gametophyte
  3. Flagellate antherozoids
  4. Independent and dominant sporophyte

Answer: Independent and dominant sporophyte

43. First plants to inhabit the land
  1. Angiosperms
  2. Bryophytes
  3. Gymnosperms
  4. Pteridophytes

Answer: Bryophytes

44. Ustilago causes plant diseases (called smuts) because
  1. they parasitize on cereals.
  2. they lack mycelium.
  3. they develop sooty masses of spores.
  4. their affected parts becomes completely black.

Answer: their affected parts becomes completely black.

45. What stage of a liverwort’s life cycle is the most prevalent?
  1. Diploid sporophyte
  2. Diploid zygote
  3. Haploid gametophyte
  4. Diploid spores

Answer: Haploid gametophyte

46. Bacteria were regarded to be plants because
  1. some of them are green in colour.
  2. they are present every where.
  3. some of them cannot move.
  4. they have a rigid cell wall.

Answer: they have a rigid cell wall.

47. All important character are considered for classification in
  1. Artificial system
  2. Nature system
  3. Phylogenetic system
  4. Modern system

Answer: Nature system

48. The largest group of plant kingdom is
  1. Cryptogams
  2. Angiosperms
  3. Gymnosperms
  4. Phanerogams

Answer: Angiosperms

49. Plants that possess spores and embryo but lack vascular tissues and seeds?
  1. Rhodophyta
  2. Bryophyta
  3. Pteridophyta
  4. Phaeophyta

Answer: Bryophyta

50. Which of the following life cycles does Polysiphonia exhibit?
  1. Diplontic
  2. Haplontic
  3. Trilontic
  4. Haplo-diplontic

Answer: Haplontic

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