Practice Paper - Sexual Reproduction in Flowering

Practice Paper 1

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1. Meiotic cell division takes place during(1) gametogenesis (2) embryogenesis(3) orgnanogenesis (4) parthenogenesis

2. Zygote is always(1) haploid (2) diploid(3) triploid (4) tetraploid

3. Flower is a(1) modified male plant only(2) modified female plant only(3) modified reproductive shoot(4) vegetative shoot system

4. Inflorescence is(1) development of flower(2) distribution of flower(3) arrangement of flower(4) All of these

5. Individual part of segment of calyx is called(1) sepal (2) petal(3) tepal (4) corolla

6. Petals together form(1) corolla (2) gynoecium(3) androecium (4) pistil

7. Match the following columnColumn I Column IIA. Calyx 1. StamenB. Corolla 2. PetalC. Androecium 3. SepalD. Gynoecium 4. CarpelCodes

A B C D(1) 3 2 1 4(2) 1 2 3 4(3) 2 1 4 3(4) 3 4 1 2

8. Match the following columns.Column I Column IIA. Calyx 1. Female gameteB. Corolla 2. Protection

C. Stamen 3. AttractionD. Carpel 4. male gameteCodes

A B C D(1) 1 2 3 4(2) 4 3 2 1(3) 2 3 4 1(4) 1 2 4 3

9. Identify A to G in following figure and answeraccordingly

(1) A-Ovary, B-Filament, C-Sepal, D-Petal, E-Style(2) A-Sepal, B-Ovary, C-Petal, D-Filament, E-Anther, F-Stigma, G-Style(3) A-Ovary, B-Sepal, C-Filament, D-Petal, E-Anther FStigma, G-Style(4)A-Petal, B-Anther, C-Stigma, E-Filament,F-Sepal, G-Ovary

10. Identify A and B in diagram given below.

(1) A-Stamen; B-Pistil(2) A-Filament ; B-Anther(3) A-Anther; B-Filament(4) A-Pistil; B-Stamen

11. Microsporangium produces(1) male gametes (2) female gametes(3) pollen (4) Both (1) and (3)

Practice Paper - Sexual Reproduction in Flowering Plants

Practice Paper 2


12. Identify A to D in the following diagram.(1) A-Filament, B-Pollen sac.,C-Pollen grain,D- Line of dehiscence(2) A-Filament,B-Pollen sac.,C-line of dehiscence,D-Pollen grains(3) A-Line of dehiscence,B- Filament,C-Pollen sac.,D-Pollen grains(4) A-Filament,B- Line of dehiscence,C- Pollen sac.,D- Pollen grains

13. The terminal structure of stamen is called(1) pollen (2) filament(3) anther (4) All of these

14. A typical angiosperm anther is(1) bilobed (2) dithecous(3) Both (1) and (2) (4) monothecous

15. A longitudinal groove runs lengthwiseseparating the theca. this groove is called lineof dehiscence. The above sentence is(1) True(2) False(3) Sometimes (1) and sometimes (2)(4) Neither (1) nor (2)

16. Number of microsporangia in an engiospermicanther is(1) 1 (2) 2(3) 3 (4) 4

17. Microsporangia develop in to(1) pollens (2) microgametes(3) megagametes (4) pollen sacs

18. Identify A to E in the following diagram.

(1) A-Tapetum, B-Microspore mother cell, C-Middle layer, D-Endothecium, E-Epidermis(2) A-Epidermis, B-Middle layer, C-Microspore mother cell D-Tapetum, E-Endothecium(3) A-Middle layer, B-Epidermis, C-Tapetum,D-Microspore mother cell, E-Endothecium(4) A-Epidermis, B-Endothecium C-Middlelayer D-Microspoere Mother cell, E-Tapetum

19. The inner most layer of microsporangium is(1) tepetum (2) endothecium(3) middle layer (4) epidermis

20. Center of each microsporangium is occupiedby(1) sporogenous tissue(2) spongious tissue(3) central tissue(4) microspore mother cell

21. Microsporogenesis is(1) formation of microspores(2) formation of female gametes(3) formation of tapetum(4) All of the above

22. Identify A to E in the following diagram

(1) A-Epidermis. B-Endodermis, C-Connectivetissues, D-Sporogenous tissue, E-Middle layerF-Tapetum(2) A-Endodermis, B-Connective tissue, C-

Practice Paper 3


Epidermis, D-Tapetum, E-Sporogenous tissue,F-Middle layer(3) A-Tapetum, B-Middle layer, C-Sporongenous tissue, D-Connective tissue, E-Endodermis, FEpidermis(4) A-Connective tissue, B-Epidermis, C-Endothecium, D-Sporogenous tissue, E-Tapetum , F-Middle layer

23. Which of the following performmicrosporogenesis?(1) Microspore mother cell(2) Pollen mother cell(3) Both (1) and (2)(4) None of these

24. The process of formation of microspore fromthe microspore mother cell is calledmagasporogenesis. The above statement is(1) True(2) False(3) Sometimes (1) and sometime (2)(4) Neither (1) nor (2)

25. 'Microspores arranged in a cluster of four cellscalled magaspore tetrad'. The above statementis(1) True(2) False(3) Sometimes (1) and sometime (2)(4) Neither (1) nor (2)

26. Microspore develops into ova. This sentenceis(1) True(2) False(3) Sometimes (1) and sometime (2)(4) Neither (1) nor (2)

27. Pollen grains of different plants, differ in(1) size and shape only(2) colour and design only(3) size, shape and design only(4) size, shape, colour and design

28. Approximate diameter of pollen grain is

(1) 25 - 50 micrometer(2) 50 - 75 micrometer(3) 75 - 100 micrometer(4) 25 - 35 micrometer

29. Pollens have two prominant walls which are__A__ and __B__ Here A and B refers to(1) A - Intine B - Protein coat(2) A - Exine B - Intine(3) A - Sporopollenin B - Intine(4) A - Sporopollenin B - Exine

30. Exine of pollen is made up of(1) sporopollenin (2) sporogenous tissue(3) spongiform tissue (4) inorganic material

31. 'Sporopollenin is made up of organic material'The above statement is(1) True (2) False(3) Sometimes (1) and sometimes (2)(4) Neither (1) nor (2)

32. 'Sporopollenin is absent at the germpore' Theabove statement is(1) True (2) False(3) Sometimes (1) and sometimes (2)(4) Neither (1) nor (2)

33. Pollens are considered as well preserved fossilsdue to the presence of(1) exine (2) intine(3) mexine (4) protein

34. Intine is made up of(1) cellulose (2) pectin(3) Both (1) and (2) (4) protein

35. Identify the structures marked A to F in thegiven diagram.

Practice Paper 4


(1) A - Asymmetric nucleus, B - Nucleus, C -Generative cell, D - Vegetative cell, E - Pollen,F- Pollen tetrad(2) A - Pollen tetrad, B - Pollen, C - Generativecell, D - Vegetative cell, E - Asymmetricspindle, F- Nuclues(3) A - Pollen tetrad, B - Vacuole, C - Nucleus,D - Asymmetric spindle, E - Vegetative cell, F- Generative cell(4) A - Vacuole, B - Nucleus, C - Pollen tetrad,D - Vegetative cell, E - Asymmetric spindle, F- Generative cell

36. Which cell is bigger and have abundant foodreserve material during microsporogenesis?(1) Generative cell (2) Vegetative cell(3) Vacuole (4) Spore mother cell

37. 60% of the angiosperms shed their pollens atthe(1) 2-celled stage (2) 3-celled stage(3) 4-celled stage (4) 1-celled stage

38. Pollen grains can cause(1) bronchial affications (2) asthma(3) bronchitis (4) All of these

39. Parthenium or carrot grass is imported with(1) wheat (2) grass(3) rise (4) maize

40. 'In Western countries a large number of ___product(s)' in the form of tablets and _____are available in market. Pollen consumptionhas been claimed to increase the _____ ofathelete'. The words to fill blanks in sequentialorder are -(1) pistil, syrup, power(2) stamen, food, sexual urge(3) carpel, yoghurt, labido(4) pollen, syrup, performance

41. Viability of pollen grains depends on(1) temperature (2) humidity(3) Both (1) and (2) (4) pressure

42. Maximum viability of rice and wheat is(1) 60 min (2) 50 min

(3) 40 min (4) 30 min43. Pollens are be stored at which temperature

(1) –196o C (2) 196o C(3) 10o C (4) 0o C

44. Function of tapetum is to provide(1) protection (2) nutrition(3) respiration (4) All of these

45. Pollen grains have ability to tolerate extremetemperatures because of the presence of(1) sporopollenin (2) suberin(3) cubin (4) callose

46. Among the sets of terms given below, identifythose that are associated with gynoecium(1) pistil, style, ovule, pollens(2) ovule, ovary, tepatum, embryo sac(3) egg, embryo sac, nucellus, pollens(4) stigma, ovule, embryo sac, placenta

47. The outermost and inner most wall layerso f mic rosporangium in anther a re(respectively) -(1) endothecium and tapetum(2) epidermis to endodermis(3) epidermis to middle layer(4) epidermis and tapetumDirections : In each of the following questions,a statement of Assertion (A) is given bycorresponding statement of Reason (R). of thestatements, mark the correct answer as -(a) Both A and R are true and R is the correctexplanation of A(b) Both A and R are true, but R is not thecorrect explanation of A.(c) A is true, but R is false(d) A is false, but R is true

48. Assertion (A) : Meiosis is the cell divisionwhich occurs in the sexually reproducingorganisms.Reason (R) : Meiotic cell division results intotwo cells having exactly same genetic makeup.

Practice Paper 5


49. Assertion (A) : Pollen grain of angiosperm isconsidered as a male gametophyte.Reason (R) : Pollen grain contains stigma, styleand ovary.

50. Assertion (A) : Flowers are the structuresrelated to sexual reproduction in floweringplants.Reason (R) : Various embryological processesof plants occur in a flower.

51. Identify A to E in the following diagram.

(1) A - Style, B - Stigma, C - Ovules,D - Thalamus, E - Ovary(2) A - Ovary, B - Thalamus, C - Ovules,D - Style, E - Stigma(3) A - Thalamus, B - Cycle, C - Stigma,D - Ovary, E - Ovules(4) A - Stigma, B - Style, C - Ovules,D - Ovary, E - Thalamus

52. Identify different ovules of diagrams A to F.

(1) A - Circinotropous, B - Amphitropous,C - Campylotropous, D - Hemitropous,E - Anatropous, F - Orthotropous(2) A - Campylotropous, B - Anatropous,C - Hemitropous, D - Amphitropous,E - Circinotropous, F - Orthotropous(3) A - Orthotropous, B - Anatropous,C - Hemitropous, D - Campylotropous,E - Amphitropous, F - Circinotropous(4) A - Campylotropous, B - Anatropous,C - Hemitropous, D - Amphitropous,E - Orthotropous, F - Circinotropous

53. In the given diagram of pistil in which partfertilisation takes place.

(1) D (2) C(3) B (4) A

54. Identify the type of ovary in diagram.

(1) Multicarpallery apocarpous(2) Multicarpellary syncarpous(3) Multicarpellary pistillate(4) Monocarpellary apocarpous

Practice Paper 6


55. Identify the type of ovary in diagram.

(1) Monocarpellary syncarpous(2) Monocarpellary apocarpous(3) Multicarpellary syncarpous(4) Multicarpellary apocarpous

56. Identify A to H in the given diagram.

(1) A - Chalazal end B - Embryo sac, C -Nucellus, D - inner integuments, E - Outerinteguments, F - Micropylar pole, G -Micropyle, H - Funicle, I - Hilum(2) A - Inner integuments, B - Nucellus, C -Embryo sac, D - Chalazal end, E - Hilum, F -Funicle, G - Micropyle, H - Micropylar end, I -Outer integuments(3) A - Hilum, B - Funicle, C - Micropyle, D -Micropylar pole, E - Outer integuments, F -Inner integuments, G - Nucellus, H - Embryosac., I - Chalazal pole(4) A - Micropylar and, B - Micropyle, C -Funicle, D - Hilum, E - Outer integuments, F -Inner integuments, G - Nucellus, H - Embryosac, I - Chalazal end

57. Micropyle exists in(1) seed (2) ovule

(3) Both (1) and (2) (4) fruit only58. The stlk which joins ovule and placenta is

called(1) funicle (2) hilum(3) chalaza (4) micropyle

59. In ovule protective covering (integuments) andgenerally _____ in number.(1) 3 (2) 2(3) 4 (4) 1

60. Micropyle is formed by(1) absence of integuments(2) absence of funicle(3) absence of nucellus(4) absence of embryo sac

61. Chalazal pole is present(1) opposite to micropyle(2) at the origin of integuments(3) opposite to nucellus(4) near the embryo sac

62. Mass of cells enclosed by integuments is called(1) nucellus (2) embryo(3) ova (4) pollen

63. Embryo sac is also called(1) female gamete(2) synergids(3) female gametophyte(4) egg of angiosperm

64. Megasporogenesis is(1) formation of fruit(2) formation of seeds(3) formation of megaspores(4) Both (2) and (3)

65. An ovule is a(1) differentiated megasporangium(2) dedifferentiated megasporangium(3) integumented megasporangium(4) redifferentiated megasporagium

66. Megaspore mother cell is found near the regionof

Practice Paper 7


(1) micropyle (2) chalaza(3) nucellus (4) integuments

67. Identify A to F in diagram given below

(1) A - Mitosis, B - Meiosis-I, C - Meiosis-II,D -Mitosis, E - Meiosis, F - Meiosis(2) A - Meiosis-I, B - Meiosis-II, C - Mitosis,D - Mitosis, E - Mitosis, F - Embryosac(3) A - Embryosac, B - Meiosis - I, C - Meiosis- II, D - Mitosis, E - Mitosis, F - Mitosis(4) A - Mitosis, B - Mitosis, C - Mitosis, D -Meiosis, E - Meiosis, F - Meiosis

68. Identify the labelling of given diagrams

(1) A - MMC, B - Megaspore dyad, C -Nucellus, D - Nucleus(2) A - Nucellus, B - Megaspore dyad, C -Nucellus, D - MMC(3) A - Nucellus, B - MMC, C - Nucellus, D -Megaspore dyad(4) A - MMC, B - Nucellus, C - Megasporedyad, D - Nucleus

69. Identify A to E in the diagram given below.

(1) A - Antipodal, B - 2 polar nuclei, C - Centralcell, D - Egg, E - Synergid(2) A - Antipodal, B - Central cell, C - 2 polarnuclei, D - Egg, E - Synergids(3) A - 2 polar nuclei, B - Central cell, C -Antipodal cell, D - Egg, E - Synergids(4) A - Synergids, B - Egg, C - Central cell, D- 2 polar nuclei, E - Antipodal cell

70. In embryo sac the number of synergid egg cell central cell antipodal cellfollows the order(1) 1-1-2-3 (2) 2-1-3-2(3) 2-1-2-3 (4) 3-2-1-2

71. Single megasporic development is called(1) single sporic (2) unisporic(3) monosporic (4) nulleiporic

72. Identify A to F in the diagram.

(1) A - Egg, B - Filiform apparatus, C -Synergid, D - Antipodal cell, E - Polar nuclei,F - Central cell(2) A - Egg, B - Synergid, C - Filiformapparatus, D - Antipodal cell, E - Central cell,F - Polar nuclei(3) A - Central cell, B - Egg, C - Synergid, D -Antipodal cell, E - Filiform apparatus, F - Polarnuclei

Practice Paper 8


(4) A - Filiform apparatus, B - Synergid, C -Egg, D - Central cell, E - Polar nuclei, F -Antipodal cell

73. How many nuclei are found in femalegametophyte?(1) 8 (2) 7(3) 6 (4) 5

74. How many cells are found in femalegametophyte?(1) 6 (2) 8(3) 7 (4) 5

75. Two nuclei with one cell are found in(1) antipodal cell (2) chalazal cell(3) central cell (4) synergid cell

76. Egg apparatus consists of(1) 2 synergids + 2 eggs(2) 2 synergids + 2 eggs(3) 2 synergids + 1 egg(4) 2 synergids + 4 eggs

77. Filiform apparatus are(1) special cellular thickning at antipodal cell

(2) special cellular thickning at micropylar end(3) special cellular thickning at synergid cells(4) special cellular thickning at nuclear end

78. 'Cells at the chalazal end are called synergidcells'. The above statement is(1) True(2) False(3) Sometimes (1) and sometimes (2)(4) Neither (1) nor (2)

79. 'Cells in the micropylar region are calledantipodal cell'.The above statement is(1) True(2) False(3) Sometimes (1) and sometimes (2)(4) Neither (1) nor (2)

80. Find the odd one out(1) micropyle (2) embryo sac(3) nucellus (4) pollen grain

1 2 3 4 5 6 7 8 9 10 11 12 13 14 151 2 3 3 1 1 1 3 3 3 4 4 3 3 1

16 17 18 19 20 21 22 23 24 25 26 27 28 29 304 4 4 1 1 1 4 3 2 2 2 4 1 2 1

31 32 33 34 35 36 37 38 39 40 41 42 43 44 451 1 1 3 3 2 1 4 1 4 3 4 1 2 1

46 47 48 49 50 51 52 53 54 55 56 57 58 59 604 4 3 3 1 4 3 2 2 4 3 3 1 2 1

61 62 63 64 65 66 67 68 69 70 71 72 73 74 751 1 3 3 3 1 2 3 4 3 3 4 1 3 3

76 77 78 79 803 3 2 2 4

Answer Key

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Practice Paper - Sexual Reproduction in Flowering