bryophyta pteridophyta gymnosperm.docx

7/27/2019 bryophyta pteridophyta gymnosperm.docx

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11 PREMEDICAL-TEST PTERIDOPHYTA AND GYMNOSPERM

1. Most primitive type of stele found in pteridophytes is:(A) Siphonostele (B) Protostele (C) Solenostele(D) Dictyostele

2. 'Horse tail is:(A) Lycopodium (B) Equisetum (C) Isoetes

(D)Adiantum3. The antherozoides (male gametes) in Selaginella are:

(A) Multiflagellated (B) Biflagellated(C) Bi or multiflagellated (D) Non-flagellated

4. In the archegonium ofDryopteris there are:(A) There are 4 neck canal cells (B) 3 neck canal cells(C) One neck canal cell with single nucleus (D) One neck canal cell with 2 nuclei

5. The main plant body ofSelaginella species is:(A) Gametophyte (B) Sporophyte (C) Both (A) and (B)

(D) Halophyte6. Number of spores in sporangium of fern are:

(A) 64 (B) 32 (C) 16(D) 128

7. Fern prothallus is:(A) Heterotrophic (B) Heteromorphic (C) Homothallic

(D) Heterothallic

8. Pteridophytes differ from bryophytes in having:(A) Independent gametophyte and sporophyte(B) Sporophyte dependent on gametophyte(C) Gametophyte dependent on sporophyte(D) Absence of sporophyte

9. What represents the gametophytic generation in pteridophytes?

(A) Main plant body(B) Heart-shaped prothallus(C) Structure surrounded by kidney-shaped indusium(D) Stomium

10. Heterospory and ligulate leaves are features of:(A) Selaginella (B) Ferns (C) All bryophytes

(D) All pteridophytes


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11. The fern rhizome is:

(A) Root (B) Stem (C) Rhizoid(D) Rhizophore

12. Which of the following is not involved in the fertilization of ferns?

(A) Pollen tube (B) Water (C) Archegonia(D) Flagellated sperms

13. The sporangia of eusporangiate ferns:(A) Possess a single layer of wall cells (B) Produce very few spores

(C) Originate from a group of initial cells(D) Dehisce at the region of well-definedstomium

14. In ferns, sporangia are borne on the:

(A) Margins of leaf (B) Abaxial surface of leaf

(C) Adaxial surface of leaf (D) Only on the tip of leaf

15. Which of the following is called walking fern?(A) Ophioglossum (B) Pteris (C) Pteridium

(D)Adiantum

16. Pteridophytes as a group differ from bryophytes in the:(A) Motile sperms

(B) Presence of vascular tissue(C) Archegonia (D) Alternation of generations

17. Megasporophyll ofSelaginella is comparable to which structure of angiosperms?

(A) Carpel (B) Stamen (C) Ovule(D) Leaf

18. A feature common to gamet ophytes and sporophytes of mosses andferns respectively is :(A) Independent existence (B) Multiciliate(C) With only one flagella (D) Smooth surface

19. Prothallus of fern produces :(A) Spores (B) Gametes (C) Both (D) None of these

20. Multiflagellate male gametes or sperms are found in: (A)Funaria (B) Dryopteris (C) Riccia

(D) Chlamydomonas


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21. Young sporophyte ofPteris fern draws nourishment from prothallus through:(A) Root (B) Rhizoid (C) Foot

(D) Haustoria

22. The kidney-shaped structure covering the sorus in Dryopteris is called:

(A) Placenta (B) Ramentum

(C) Sporophyll(D) Indusium23. The pteridophyte popularly known as Quillwort and Merllyns grassis:

(A) Isoetes (B) Marsillea (C) Lycopodium(D) Selaginella

24. Fern plant is a:

(A) Haploid gametophyte (B) Diploid gametophyte(C) Diploid sporophyte (D) Haploid sporophyte

25. If the number of chromosomes in the foot of a fern embryo is 8, what should bethe number in its spore?(A) 4 (B) 8 (C) 16

(D) 2326. Seed habit first originated in:

(A) Certain ferns (B) Certain pines(C) Certain monocots (D) Certain dicots

27. While entering the neck of a fern archegonium, sperms show:(CET Chandigarh 1997)

(A) Phototaxy (B) Chemotaxy (C) Thermotaxy(D) Cyclosis

(D) S. pallidissima28. Main plant of Selaginella species is:

(A) Gametophyte (B) Sporophyte (C) Both (A) and (B)(D) Halophytes

29. Sporocarp is a reproductive structure of:(A) Some algae (B) Some aquatic ferns having sori(C) Angiosperms having spores (D) Bryophytes

30. Protostele is:

(A) Stele divided into many parts(B) Early stele with central solid xylem surrounded by phloem(C) Latent stele


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(D) Angiosperm stele31. If a sporangium is derived from a single cell, it is called:

(A) Leptosporangiate (B) Eusporangiate(C) Heterosporangiate (D) None of these

32. Prothallus means:(A) Immature gametophyte (B)

Immature sporophyte(C) Immature archegonium (D) None of these

33. In ferns, meiosis occurs during:(A) Spore formation (B) Gamete formation(C) Antheridia formation (D) All of these

34. A pteridophyte which fixes N2

is:

(A)Azolla (B) Salvinia (C) Pteris(D) Selaginella35. In ferns, archegonia are found on:

(A) Prothallus (B) Leaves (C) Stem(D) Sporangia

36. Large leaves of ferns are called fronds which are: (CPMT2001)(A) Reproductive (B) Vegetative (C) Foliage

(D) All of these37. The first plants to appear after a forest fire are the ferns, this is because of the

survival of their:(Kerala PMT 2004)(A) Spores (B) Leaves (C) Fronds

(D) Rhizomes38. Coal is formed by.

(A) Pteridophytes (B) Bryophytes (C) Fungi(D) Bacteria

39. Sometimes the prothallus of a fern gives rise to a fern plant without anyfertilization. This is an example of:(A) Apospory (B) Apogamy (C) Parthenocarpy

(D) Parthenogenesis


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40. Club moss is the common name of: (A)Lycopodium (B) Selaginella (C) Funaria

(D) Potamogeton41. In Selaginella, a member of Pteridophytes, heterosporous spores are:

(A) Large and small (B) Haploid and diploid

(C) Asexual and sexual (D) All spores of same size

42. In rhizome of Pteridium, stele which is composed of two or more than twoconcentric rings of vascular bundles, is called:

(Raj. PMT 2002)(A) Polycyclic (B) Siphonostele(C) Ectophloic siphonostele (D) Cladosiphonostele

43. Dryopteris differs from Funaria in having:(A) An independent gametophyte

(B) An independent sporophyte

(C) Swimming antherozoids (D) Archegonia

44. Pollen chamber in gymnosperm is found in(A) Antherlobe (B) Ovule (C) Microsporophyll (D) Seed

45. Polarity of embryo in gymnosperms is(A) Exoscopic (B) Endoscopic(C) Lateral (D) Lateral and endoscopic

46. Testa in seed ofPinus develops from:(A) Whole integument (B) Outer fleshy layer of integument(C) Middle stony layer of integument (D) Inner fleshy layer of integument

47. Seed fern is a group of(A) Bryophyta (B) Pteridophyta (C) Gymnosperm

(D)Angiosperm

48. Which of the following statement is correct ?(A) The seed of gymnosperm represent 3 generations

(B) The members of gymnosperms are typically dicot like(C) Gymnosperms are phanerogames without ovary(D) All of the above

49. Phanerogams without ovary are:(A) Pteridophytes (B) Gymnosperms (C) Angiosperms(D) All of these


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50. Which of the following is not included in Archegoniatae'?(A) Bryophytes (B) Pteridophytes (C) Gymnosperms(D) Angiosperms

51. Most primitive of gymnosperms are:(A) Cycadales (B) Bennettitales

(C) Cycadofilicales(D) Ginkgoales

52. Vessels in xylem of gymnosperms are:(A) Present (B) Absent(C) Absent except Gnetales (D) Present except Gnetales

53. Male gametophytes in gymnosperms have prothallial cells:(A) 0 (B) 1 (C) 1 or more

(D) None of these54. Wood in Pinus is:

(A) Porous (B) Pycnoxylic (C) Manoxylic

(D) None of these

55. Both Pinus and Cycas have:(A) Motile sperms(B) Motile and non-motile sperms respectively(C) Non-motile and motile sperms respectively(D) Non-motile sperms

56. In plants, largest egg is found in:(A) Cycas (B) Pinus (C) Sequoia

(D) Selaginella

57. Vascular bundles in Pinus needle are:(A) Collateral and open (B) Collateral and closed(C) Radial (D) None of these

58. Phenomenon of Sulphur shower is related with:(A) Cycas (B) Pinus (C) Ginkgo

(D) None of these59. The interval between pollination and fertilization in Pinus

(A) 1 day (B) 1 week (C) 1 month(D) 1 year

60. Source of male gametes in Cycas is:(A) Body cell (B) Tube cell (C) Prothallial cell(D) None of these


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61. Endosperm in Pinus is:(A) Pre-fertilization tissue (B) Post-fertilization tissue(C) Pre or post-fertilization tissue (D) None of the above

62. Wing of seed ofPinus is developed from:

(A) Outer layer of integument

(B) Inner layer of integument(C) Inner layer of integument and basal part of ovuliferous scale(D) Only from ovuliferous scale

63. Endosperm in gymnosperms develops from:(A) Microspore (B) Megaspore(C) Secondary nucleus (D) Archegonium

64. The number of neck canal cells in the archegonium ofCycas is:(A) 2 (B) 4 (C) 6

(D) 0

65. In female gametophyte ofCycas, number of archegoniapresent is:(A) More than ten (B) Two to eight (C) One

(D) None of these

66. Wood ofPinus is:(A) Manoxylic and monoxylic (B) Pycnoxylic and monoxylic(C) Manoxylic and polyxylic (D) Pycnoxylic and polyxylic

67. Which of the following characters does not hold true forPinus ?(A) Bracts and ovuliferous scales (B) Embryo with two cotyledons(C) Resin canals in needles (D) Tracheids with bordered pits

68. In the plants ofCycas, the male cone lacks:(A) Microspore (B) Microsporophyl(C) Microsporangium

(D) Nucellus

69. Which is commonly known as Living fossil?(A) Ginkgo biloba (B) Pinus (C) Cycas

(D) None of these

70. Among the following, which does not belong to sporophyte generation inPinus?(A) Dwarf shoot (B) Long shoot (C) Roots

(D) Endosperm

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bryophyta pteridophyta gymnosperm.docx