NCERT LINE BY LINE QUESTIONS

  1. The end products of sexual reproduction is/ are –                   Page No.-20, Easy

A) Fruit                      B) Seeds                     C) Flower      D) A & B both

2. Floriculture deals with –

A) Flower                  B) Seed culture         C) Fruit          D) Both B & C

Page No.-20, Easy 3.                                                                                                                    

3.

Page No.-20, Easy

 (a)(b)(c)(d)
AStyleFilamentStigmaOvary
BFilamentStyleOvaryStigma
CFilamentStyleThalamusAnther
DStyleFilamentStigmaOvule

4. Choose incorrect statement –

A) Several hormonal & structural changes are initiated which lead to redifferentiation and further development of the floral primordium.

B) Inflorescences are formed which bear the floral buds and then the flower

C) In the flower male and female reproductive structures, the androecium and the gynoecium

differentiate and develop

D) None of these

Page No.-20, Easy

5.         Reproductive organ of flower doesnot comprises-

A) Androecium        B) Stamen      C) Gynoecium          D) Tepals

Page No.-21, Easy

6. A typical angiosperm anther is _______ with each lobe having _______ theca i.e. they are ______

A) Bilobed, two, dithecous

B) Dithecous, two, bilobed

C) Bilobed , four, dithecous

D) Dithecous, four, bilobed

Page No.-21, Easy

Often theca is separated by

A) Transverse groove

B) Longitudinal groove

C) Diagonal groove

D) All of these

Page No.-21, Easy

8.         The dithecous consist of ______microsporangia located at the corners,________ in each lobe.

A) Two, one B) Two, two

C) Four, two D) Both A & C

Page No.-21, Easy

9.         Arrange microsporangial wall in sequence of outside to inside

A) Epidermis, middle layer, endothecium, tapetum

B) Epidermis, endothecium, middle layer, tapetum

C) Epidermis, middle layer, tapetum, endothecium

D) Endothecium, middle layer, tapetum, epidermis

Page No.-21, Easy

10.       How many of microsporangial wall perform function of protection and help in dehiscence of anther to release pollen

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

Page No.-21, Easy

11.       ________ is responsible for nourishment of pollen grain.

A) Tapetum              B) Endothecium       C) Epidermis D) Middle layer

Page No.-21, Easy

12.       Which of the following undergo meiotic division to form microspore tetrad

A) Sporogenous tissue                               B) Generative tissue

C) MicrosporeD) A & B

Page No.-21, Easy

13.

 aBCde
ATapetumMicrospore mother cellendotheciumepidermisMiddle layer
BTapetumMicrospore mother cellepidermisendotheciumMiddle layer
CTapetumMiddle layerMicrospore mother cellendotheciumepidermis
DepidermisMiddle layerMicrospore mother cellendotheciumTapetum

Page No.-22, Medium

Microsporogenesis –

A) Process of formation of microspore

B) Development of pollen grain from pollen mother cell

C) It involve meiosis

D) All of these

Page No.-22, Easy

15.       Pollen grain represents –

A) Male gametophyte

B) Male sporophyte

C) Female gametophyte

D) Female sporophyte

Page No.-22, Easy

16.       Choose correct about pollen grain walli)

i) It has two layered prominent wall

ii) Hard outer layered prominent wall

iii) Exine is composed of sporopollenin

iv) Sporopollenin form continuous exine

A) i, ii, iii, iv              B) i, ii, iii                    C) i, iii                        D) i & iv

Page No.-22, Medium

17.       Sporopollenin is absent in –

A) Intine                    B) Germpore             C) Exine                     D) A & B both

Page No.-23, Medium

18.       Pollen grains are well preserved as fossil because of

A) Presence of intine

B) Presence of germpore

C) Presence of sporopollenin

D) All of these

Page No.-23, Medium

19.       Sporopollenin is degraded by –

A) Engyme

B) High temperature

C) Strong acid & alkali

D) None of these

Page No.-23, Medium

20.       Inner wall of pollen grain is –

A) Intine, made up of cellulose & lignin

B) Thin discontinuous intine

C) Both A & B

D) None of these

Page No.-23, Medium

21.       When pollen grain mature –

A) It consist of two cell that are two male gamete only.

B) It consist of two cell that are generative & vegetative cell

C) It consist of two cell that are two male gamete arise from vegetative cell and one generative cell

D) It consist of three cell that are two male gamete develop meiotically from generative cell and one vegetative cell                                                                Page No.-23, Easy

22.       Choose incorrect statement among following:

A) In over 60% of angiosperm, pollen grains are shed at 3 – cell stage

B) In over 60% of angiosperm, pollen grains are shed at 2 – cell stage

C) Both A & B

D) None of these                                                                             Page No.-23, Easy

23.       Pollen allergy is not correlated with-

A) Cause of parthenium

B) Cause chronic respiratory disorder

C) Carrot grass that come into India as a contaminant with imported rice

D) None of these                                                                             Page No.-24, Easy

24.       Pollen grain of rice is viable upto-

A) 30 min

B) Several month

C) Same as in sonaceae

D) Both B & C                                                                                                           Page No.-24, Easy

25.       Which temperature is correct to store semen for artificial insemination-

A) 196°C                    B) -196°C                   C) 34°C          D) 4°C                       Page No.-24, Easy

2.2 Pre – fertilization : structure & events:

26.       Papaver show

i) Multicarpellary

ii) Apocarpous

iii) Syncarpous

iv) Monocarpellary

A) i, ii                         B) i, iii                        C) iv, ii           D) iv, iii                     Page No.-24, Easy

27.       Given diagram is of –

A) Multicarpellary apocarpous gynoecium of michelia

B) Multicarpellary synocarpous gynoecium of michelia

C) Multicarpellary synocarpous gynoecium of papaver

D) Multicarpellary apocarpous gynoecium of papaver                                               Page No.-25, Easy

28.       Which of following serves as a landing platform for pollen grain?

A) Stigma                  B) Style                      C) Anther      D) Filament              Page No.-25, Easy

29.       Choose correct statement:

A) Inside the ovary is the ovarian cavity, also known as lodicule

B) Megasporangia is commonly called ovules

C) The placenta is located outside ovarian cavity

D) A & C both                                                                                                          Page No.-25, Easy

30.       Choose incorrect statement –

A) The number of ovules in an ovary is one in paddy

B) The number of ovules in an ovary is many in papaya

C) The number of ovules in an ovary is one in orchid

D) Wheat mango consist of one ovule                                                                Page No.-25, Easy

31.       Ovule is attached to placenta by –

A) Funicle     B) Integument          C) Hilum       D) Nucellus                          Page No.-25, Easy

32.       Hilum represents the junction between

A) Ovule & ovary                                        B) Ovule & funicle

C) Ovule & integument                              D) None of these                             Page No.-25, Easy

33.       Chalaza end represent –

A) Basal part of ovule

B) Apical part of ovule

C) Basal part of ovary

D) Apical part of ovary                                                                                          Page No.-25, Easy

34.       Female gametophyte of angiosperm represented by –

A) Nucellus                          B) Embryosac                       C) Integument          D) Both A & B

Page No.-25, Easy

35.       An ovile generally has ______ embryo sac formed from a megaspore through ________

division

A) Single, equational                      B) Single, reductional

C) Four, meiotic                               D) Four, mitotic                                           Page No.-25, Easy

36.       Megasporogenesis is not related to –

A) Formation of megaspore from megaspore mother cell

B) MMC undergoes meiotic division for megaspore

C) Formation of microspore

D) Both A & C                                                                                                          Page No.-25, Easy

37.       Ovules generally differentiate a single megaspore mother cell in –

A) Chalazal end                   B) Micropylar region

C) Both A & B                       D) Integument                                                        Page No.-25, Easy

38.       In a majority of flowering plants

A) One of the megaspore is functional while other three degenerate

B) All four megaspore can develops into female gametophyte in almost all angiosperm

C) Three megaspore is functional while other one degenerated

D) Both A & B                                                                                                          Page No.-26, Easy

39.       Monosporic embryo development involve –

A) One functional megaspore

B) One haploid cell formed in egg apparatus

C) Four functional megaspore

D) None of these                                                                                                     Page No.-26, Easy

40.       Choose correct statement –

A) The nucleus of the functional megaspore divides mitotically to form two nuclei which move to the opposite poles, forming the 2-nucleate embryo sac

B) Two more sequential mitotic nuclear division in 2-nucleate embryo sac result in formation of 4- nucleate

C) Mitotic division in embryo sac formation upto 8-celled is strictly free nuclear

D) All of these                                                                                              Page No.-26, Medium

41.       How many of eight nuclei of typical embryosac is surrounded by cell wall

A) 2                            B) 4                             C) 6                                                     D) 7

Page No.-26, Medium

42.       Central cell of typical embryosac is situated –

A) Below egg apparatus                             B) Above egg apparatus

C) At chalazal end                                       D) None of these

Page No.-26, Easy

43.       Choose the correct about egg apparatus of typical embryosac

A) Situated at micropylar end

B) Consist of three cells

C) Both A & B

D) Consist of all cells having special cellular thickening at micropylar tip

44.       Typical embryo-sac of angiosperm at maturity is –

A) 8 celled, 8 nucleate                                 B) 7 celled, 8 nucleate

C) 8 celled, 7 nucleate                                 D) 7 celled, 7 nucleate

Page No.-26, Easy

45.

 abcdef
AAntipodalPolas nucleiCentral cellEggSynergidFiliform apparatus
BAntipodalPolas nucleiEmbryo sacEggSynergidFiliform apparatus
CAntipodalPolas nucleiEggEmbryo sacFiliform apparatusSynergid
DAntipodalCentral cellPolas nucleiEggFiliform apparatusSynergid

Pollination is-

A) transfer of motile pollen to stigma

B) transfer of non-motile anther to stigma

C) transfer of motile anther to stigma

D) transfer of non-motile pollen to stigma                                            Page No.-27, Easy

47.       Transfer of pollen from anther to stigma of same flower is called-

A) Autogamy B) Geitonogany      C) Xenogeny D) None of these     Page No.-27, Easy

48.       Read the given statements-

(i) Autogamy cannot occur in open flower.

(ii) Geitonogany cannot occur in closed flower.

Choose the appropriate answer-

A) (i) is correct but (ii) is wrong

B) (i) is wrong but (ii) is correct

C) (i) and (ii) are both correct

D) (i) and (ii) are both wrong                                                        Page No.-28, Easy

49.       Complete autogamy is rare in-

A) Closed flower                                         B) Open flower

C) Both open and closed flower               D) Neither open nor closed flower

Page No.-28, Easy

50.       Flowers that do not open at all are called

A) Chasmogamous             B) Polygamous

C) Cleistogamous                D) Xenogamous                               Page No.-28, Easy

51.       Oxalis produce-

A) Cleistogamous flowers             B) Chasmogamous flowers

C) Both (A) and (B)                         D) Can’t say                          Page No.-28, Easy

52.       How many of the given characters are necessarily present in cleistogamous flower.

(i) Anthex and stigma lie close to each other.

(ii) There is synchrony in pollen release and stigma receptivity.

(iii) Lengths of anther and stigma are very different.

(iv) Flower is necessarily dioecious.

(v) Assured seed-set even without pollinators.

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

Page No.-28, Easy

53.       Geitonogamy is-

A) Functionally self-pollination and genetically cross-pollination

B) Genetically self-pollination and functionally cross-pollination

C) Cross-pollination both genetically and functionally

D) Self-pollination both genetically and functionally

Page No.-28, Easy

54.       Xenogamy is-

A) Functionally self-pollination and genetically cross-pollination

B) Genetically self-pollination and functionally cross-pollination

C) Cross-pollination both genetically and functionally

D) Self-pollination both genetically and functionally

Page No.-28, Easy

55.       Autogamy is-

A) Functionally self-pollination and genetically cross-pollination

B) Genetically self-pollination and functionally cross-pollination

C) Cross-pollination both genetically and functionally

D) Self-pollination both genetically and functionally

Page No.-27, Easy

56.       Genetically different type of pollen is brought to stigma by-

A) Atutogamy only

B) Geitonogamy only

C) Xenogamy only

D) More than one options                                                             Page No.-28, Easy

57.       (a) Pollination by abiotic agents is a chance factor.

(b) Pollen is produced in enormous amount as compared to number of ovules.

Choose the best answer.

A) a and b are correct and b is the reason for a

B) a and b are correct and a is the reason for b

C) a is incorrect and b is correct

D) b is incorrect and a is correct                                                   Page No.-28, Easy

58.       Which is more common abiotic agent for pollination-

A) Wind                    B) Insect                    C) Water                    D) Animal

Page No.-28, Easy

59.       The pollen grains in wind pollinated plants should be-

A) Heavy and sticky

B) Heavy and non-sticky

C) Light and sticky

D) Light and non-sticky                                                                 Page No.-28, Easy

60.       Wind pollinated flowers often have ____ in each ovary and flowers are after ____.

(i)                                (ii)

A) Single                   Single

B) Multiple                Single

C) Single                    packed in inflorescence

D) multiple               packed in inflorescence

Page No.-28, Easy

61.       The tassels in corn cob are-

A) Filaments of anthers                             B) Stigma and style

C) Reduced leaf                                            D) Stalk of ovule                  Page No.-28, Easy

62.       Match the columns.

Column-I                                          Column-II

(i) Wind pollination                                    (a) Maize

(ii) Water pollination                      (b) Hydrilla

(iii) Biotic pollination                      (c) Monocots

(iv) Freshwater pollination                        (d) Amorphophallus

A) (i)-d, (ii)-b, (iii)-d, (iv)-c

B) (i)-c, (ii)-d, (iii)-a, (iv)-b

C) (i)-a, (ii)-c, (iii)-d, (iv)-b

D) (i)-b, (ii)-a, (iii)-c, (iv)-d                                                                         Page No.-28, Easy

63.       (a) Distribution of some bryophytes & pteridophytes is limited.

(r) Transport of male gamete in bryophytes & pteridophyte is dependent on water.

Choose the correct options.

A) a and r are correct but r is correct explanation for a

B) a and r are correct but r is not correct explanation for a

C) Both a and r are incorrect

D) a is correct but r is incorrect                                                                Page No.-29, Easy

64.       Aquatic plants pollinated by water are given, except-

A) Zostera                                         B) Hydrilla

C) Water hyacinth                           D) More than one option               Page No.-29, Easy

65.       Pollination in water lily occurs by-

A) Water                   B) Wind                     C) Insects    D) Both B and C            Page No.-29, Easy

66.       Choose the correct statements for pollination in sea grasses-

(i) Female flower reach surface of water.

(ii) Female flower remain submerged.

(iii) Pollen released on water surface.

(iv) Pollen release inside water.

(v) Pollen grains are carried passively by water.

(vi) Pollen grains are carried actively in water.

(vii) Most of the pollen reach stigma.

(viii) Some of the pollen reach stigma.

A) (i), (iii), (v), (vii)                                      B) (ii), (iv), (vi), (vii)

C) (ii), (iv), (v), (vii)                                     D) (ii), (iv), (v), (viii)                                   Page No.-29, Easy

67.       Choose correct statements for pollination in vallisneria-

(i) Female flower reach surface of water.

(ii) Female flower remain submerged.

(iii) Pollen released on water surface.

(iv) Pollen release inside water.

(v) Pollen grains are carried passively by water.

(vi) Pollen grains are carried actively in water.

(vii) Most of the pollen reach stigma.

(viii) Some of the pollen reach stigma.

A) (i), (iii), (v), (vii)                          B) (ii), (iv), (vi), (vii)

C) (i), (iii), (v), (viii)                         D) (ii), (iv) (v), (viii)                                    Page No.-29, Easy

68.       Requirement for pollen of water pollinated plants are-

(i) Light pollen                                 (ii) Pollen with mucilagenous cover

(iii) Non-sticky pollen                    (iv) Long ribbon-like pollen

A) (i) and (iii)           B) (iii) and (iv)          C) (i) and (ii)                         D) (ii) and (iv)

Page No.-29, Easy

69.       Majority of angiosperms use ____ for pollination-

A) Wind                    B) Water        C) Animals   D) Both A and B

Page No.-28, Easy

70.       Identify the given labels-

(i)                                                                    (ii)

A) Chasmogamous, autogamy     Cleistogamous, allogamy

B) Chasmogamous, allogamy        Cleistogamous, autogamy

C) Cleistogamous, autogamy        Chasmogamous, allogamy

D) Cleistogmous, allogamy           Chasmogamous, autogamy

Page No.-28, Easy

71.       The figure shows-

A) Wind pollination in freshwater Vallisnaria

B) Water pollination in marine Hydrilla

C) Water pollination in marine Lostera

D) Water pollination in freshwater Vallineria Page No.-29, Easy

72.       Dominant biotic pollinating agents are-

A) Bees          B) Birds                      C) Butterflies            D) Ants          Page No.-29, Easy

73.       How many of the following may act as pollinators-?

Bees, butterflies, wasps, beetles, leopard, bats, pigeon

A) 5                B) 4                             C) 3                             D) 2                Page No.-29, Easy

74.       Insect-pollinated flowers are-

A) Large, colourful, rich in nectar                        B) Large, colourless, rich in nectar

C) Small, clustered, fragrant, sticky         D) More than one option is correct

Page No.-30, Easy

75.       Floral rewards are-

A) Nectar                  B) Pollen grains

C) Both B and A       D) None of these                                                     Page No.-30, Easy

76.       Floral reward in Amorphophallus is-

A) Nectar                              B) Safe place to lay-eggs

C) Colourful petals              D) Fragrance to attract insects                  Page No.-31, Easy

77.       Which of the statements is true about

(a) Pronuba moth and        

(b) Yucca plant?

A) (a) is dependent on        (b) for life cycle but the opposite is not true

B) (b) is dependent on a for life cycle but the opposite is not true

C) Both (a) and (b) are interdependent on each other for their life cycle

D) Both (a) and (b) are independent of each other for life cycle

Page No.-30, Easy

78.       Outbreeding devices are used to prevent-

A) Self-fertilization                                     B) Cross-pollination

C) Both self and cross pollination                        D) Xenogamy

Page No.-31, Easy

79.       Inbreeding depression is a result of-

A) Self-fertilization followed by cross fertilization

B) Cross-fertilization followed by self fertilization

C) Continued cross-fertilization

D) Continued self-fertilization                                                     Page No.-31, Easy

80.       Self-pollination can be prevented by separation of anther and stigma in-

A) time (maturity)               B) place (position)

C) none of these                   D) both of these                               Page No.-31, Easy

81.       Self-incompatibility is not-

A) Genetic mechanism

B) Positional separation of anther and stigma

C) Prevention for geitonogamy

D) More than one option                                                               Page No.-31, Easy

82.       Production of unisexual flowers on a plant assures prevention of-

A) Autogamy only

B) Autogamy and geitonogamy

C) Geitonogamy only

D) Autogamy and Xenogamy                                                       Page No.-31, Easy

83.       Monoecious plants assures-

A) no autogamy

B) no autogamy and geitonogamy

C) no autogamy and xenogamy

D) no geitonogamy and xenogamy                                              Page No.-31, Easy

84.       Dioecious plants assures-

A) no autogamy                               B) no autogamy and geitonogamy

C) no autogamy and xenogamy    D) no geitonogamy and xenogamy

Page No.-31, Easy

85.       If a wrong pollen (from other species or self-incompatible) lands on stigma-

A) Pollen germinates but pollen tube cannot grow in style

B) Pollen germinates, grows in style but cannot enter ovary

C) Does not germinate at all

D) Both A and C                                                                              Page No.-31, Easy

86.       When pollen grain germinates and produce pollen tubes

A) Content of pollen grain is distributed uniformly

B) Content of pollen grain move into pollen tube

C) Content of pollen grain is distributed non-uniform, more in pollen grain

D) Content of pollen grain is distributed non-uniformly, more in pollen tube

Page No.-31, Easy

87.       Filiform apparatus is present at-

A) Micropylar part of synergid     B) Chalazal part of synergid

C) Micropylar part of antipodal    D) Chalazal part of antipodal

Page No.-32, Easy

88.       Emasculation is done in-

A) Male parent                                 B) Female parent

C) Both male and female parent   D) Depends on the project

Page No.-33, Easy

89.       The emasculated flowers are bagged to-

A) Protect flower from strong sunlight

B) Protect flower from rain

C) Protect flower from unwanted pollen

D) Protect flower from insects                                                      Page No.-33, Easy

90.       If female parent produces unisexual flowers, there is-

A) no need of emasculation & bagging

B) need of emasculation & bagging

C) no need of emasculation but bagging is needed

D) no need of bagging but emasculation is needed

Page No.-33, Easy

91.       Identify the filiform apparatus in given figure-

A) I                             B) II                C) III                                       D) IV

Page No.-32, Easy

92.       Pollen tube release male gametes into-

A) Cytoplasm of Egg cell

B) Nucleus of Egg cell

C) Cytoplasm of Synergids

D) Cytoplasm of Antipodals                                                         Page No.-34, Easy

93.       Which of the following is incorrect about double fertilization?

A) One male gamete fuses with nucleus of egg cell

B) Syngamy results into dyad of cells

C) Second male gamete move toward polar nuclei

D) Triple fusion results into PEN                                                 Page No.-34, Easy

94.       Triple fusion is-

A) Fusion of third male gamete with polar nuclei

B) Fusion of three haploid cells

C) Fusion of second male gamete with egg cell

D) Fusion of three haploid nuclei                                                Page No.-34, Easy

95.       Which of these is correct?

A) Syngamy = Triple fusion + Double fertilization

B) Double fertilization = Syngamy + Triple fusion

C) Triple fusion = Double fertilization – Syngamy

D) More than one option is correct                                              Page No.-34, Easy

96.       Central cell after double fertilization becomes-

A) Zygote                  B) PEN                       C) PEC           D) Embryo

Page No.-34, Easy

97.       Identify the correct labels.

          (i)          (ii)       (iii)

A) Zygote      PEN    Degenerating antipodals

B) Zygote       PEC    Degenerating antipodals

C) Zygote      PEN    Degenerating synergids

D) Zygote      PEC    Dengenerating synergids                                      Page No.-34, Easy

98.       Identify the correct labels.

 iiiiiiiv
AGlobular embryoHeart shaped embryoSuspensorCotyledon
BHeart shaped embryoGlobular embryoCotyledonSuspensor
CGlobular embryoHeart shaped embryoCotyledonSuspensor
DHeart shaped embryoGlobular embryoSuspensorCotyledon

Page No.-34, Easy

99.       The figure shows stages in-

A) Embryo development in dicot

B) Embryo development in monocot

C) Embryo development in gymnosperm

D) Both A and B

Page No.-34, Easy

100.     Post fertilization includes how many of the following events-

(i) endosperm development

(ii) zygote formation

(iii) embryo development

(iv) seed formation

(v) fruit formation

A) 5                B) 4                             C) 3                             D) 2

Page No.-34, Easy

101.     Select correct statement-

A) Endosperm development proceeds embryosac development

B) Endosperm development precedes embryo development

C) Embryo development precedes endosperm development

D) More than one option is correct

Page No.-35, Easy

102.     Endosperm tissue is-

A) Haploid                B) Diploid     C) Triploid    D) Tetraploid

Page No.-35, Easy

103.     In free-nuclear endosperm-

A) PEN undergoes successive nuclear divisions

B) PEC undergoes successive cellular divisions

C) PEN undergoes successive cellular divisions

D) More than one option is correct

Page No.-35, Easy

104.     Cells of endosperm tissue are filled with-

A) reserve food materials for plant cells

B) reserve food material for embryo

C) reserve food material for developing zygote

D) more than one option is correct

Page No.-35, Easy

105.     Coconut water from tender coconut is ____and white kernel is ____.

(i)                                            (ii)

A) Cellular endosperm                   Free-nuclear endosperm

B) Free nuclear endosperm                        Cytoplasmic endosperm

C) Free-nuclear endosperm           Cellular endosperm

D) Cytoplasmic endosperm          Cellular endosperm

Page No.-35, Easy

106.     Endosperm is completely consumed by developing embryo before seed maturation

in-

A) Groundnut          B) Castor       C) Coconut    D) All of these

Page No.-35, Easy

107.     Endosperm persists in mature seeds in-

A) Castor                   B) Pea             C) Beans        D) More than one option is correct

Page No.-35, Easy

108.     Embryo develops at

A) micropylar end

B) chalazal end

C) either micropylar or chalazal end

D) neither microplar nor chalazal end

Page No.-35, Easy

109.     Choose the correct order of embryo development in dicots-

(i) Zygote                                          (ii) Heart-shaped embryo

(iii) Mature embryo                         (iv) Proembryo

(v) Globular embryo

A) i-iv-ii-v-ii                         B) i-iv-ii-v-iii             C) i-iv-iii-ii-v            D) ii-iv-v-ii-iii

Page No.-35, Easy

110.     How many of the given parts are present in dicot embryo-

Embryonal axis, Cotyledons, Scutellum, Hypocotyl, Root cap

A) 5                            B) 4                             C) 3                             D) 2

Page No.-35, Easy

111.     How many of the given parts are present in monocot embryo-

Cotyledon, scutellum, Coleoptile, Radicle, Root cap

A) 5                            B) 4                             C) 3                             D) 2

Page No.-35, Easy

112.     Hypocotyl terminates in-

A) Plumule               B) Radicle                  C) Root tip    D) More than one option is correct

Page No.-35, Easy

113.     (i) In dicot embryo, root tip is covered by root cap.

(ii) In dicot embryo, scutellum is situated towards one side of embryonal axis.

(iii) Cylindrical portion below the level of cotyledons is hypocotyl in dicots embryo.

(iv) In dicot embryo, epicotyl terminates with stem tip.

How many of the above statements is incorrect?

A) Zero                      B) One                        C) Two           D) Three

Page No.-35, Easy

114.     In grass family, the scutellum is-

A) Cotyledon            B) Root tip                 C) Epiblast    D) Shot tip

Page No.-35, Easy

115.     Identify the given figures

A) (i) is embryo of grass                             B) (ii) is embryo of dicots

C) (ii) is embryo of monocot                     D) More than one option is correct

Page No.-35, Easy

116.     Identify the correct labels-

(i)                    (ii)                              (iii)

A) Cotyledon            Plumule         Hypocotyl

B) Radicle                  Cotyledon     Plumule

C) Hypocotyl            Plumule         Cotyledon

D) Cotyledon            Plumule         Epicotyl

Page No.-35, Easy

117.     Identify the correct labels-

(i)                    (ii)                  (iii)                 (iv)

A Epiblast                 Scutellum      Coleoptile     Root cap

B Scutellum              Epiblast         Shoot apex    Radicle

C Epiblast                  Scutellum      Root cap        Shoot apex

D Scutellum              Epiblast         Radicle           Coleoptile

Page No.-35, Easy

118.     Coleoptile is-

A) hollow structure

B) solid structure

C) sometimes hollow and sometimes solid structure

D) semi-solid                                                                        Page No.-35, Easy

119.     Coleorhiza is-

A) hollow structure

B) foliar structure

C) undifferentiated sheath

D) more than one option is correct                      Page No.-36, Easy

120.     Read the following statements-

(i) Seed is final product of sexual reproduction is plant.

(ii) Seed is fertilized ovule.

(iii) Seed is formed inside fruit.

(iv) Seed consists of seed coat(s), cotyledon(s) and embryo axis.

How many of the statements is incorrect?

A) Zero                      B) One                        C) Two                       D) Three

Page No.-36, Easy

121.     Non-albuminous seeds-

A) have residual endosperm         B) retain a part of endosperm

C) is found in castor                                    D) None of these                             Page No.-36, Easy

122.     Groundnut is-

A) Albuminous

B) Non-albuminous

C) Has residual endosperm in mature seed

D) More than one option is correct                                  Page No.-36, Easy

123.     Perisperm is-

A) Persistent nucleus                     B) Found in beet

C) Residual endosperm                  D) More than one option               Page No.-36, Easy

124.     Integument of ovules mature into-

A) Ovary wall          B) Pericarp    C) Seed coat D) Perisperm

Page No.-36, Easy

125.     Micropyle is-

A) Absent in seed                            B) Present inside seed

C) Present on surface of seed        D) Present on seed coat

Page No.-36, Easy

126.     Micropyle plays role of-

A) Stalk for seed                                                      B) Scar of stalk

C) Facilitating entry of water into seed               D) Facilitating escape of seed metabolites

Page No.-36, Easy

127.     Mature seed has-

A) More water content and more metabolism

B) Less water content and more metabolism

C) Less water content and less metabolism

D) More water content and more metabolism

Page No.-36, Easy

128.     The embryo in a mature seed-

A) Germinates essentially

B) May enter dormancy

C) Always enters dormancy first, followed by germination

D) Both B and C                                                                                           Page No.-36, Easy

129.     Choose the correct match regarding the maturing of flower into fruit-

A) Wall of ovule – pericarp                       B) Nucellus – periderm

C) Ovary – seed                                           D) None of these

Page No.-36, Easy

130.     Fleshy fruit is-

A) Mustard B) Groundnut C) Guava D) More than one

Page No.-36, Easy

131.     In false fruits, select incorrect statement-

A) Floral parts other than ovary are involved

B) Thalamus may contribute to fruit formation

C) Examples include apple, cashew, groundnut

D) Fruit does not develop from ovary                                                     Page No.-36, Easy

132.     Which of these is incorrect about parthenocarpy-

A) Plant formed without fertilization

B) Banana is example

C) Induced by application of growth harmones

D) Such fruits are seed less                                                                                   Page No.-36, Easy

133.     Identify the endosperm in the given figure–

A) I                             B) II                            C) III                           D) IV

Page No.-37, Easy

134.     Identify cotyledon in the given figure of seed

A) I                             B) II                            C) III                           D) IV

Page No.-37, Medium

135.     Identify scutellum in the given figure –

A) I                             B) II                            C) III                                       D) IV

Page No.-37, Medium

136.     The given figure shows –

A) Eucarp of apple and lithi

B) Pseudocarp of apple litchi

C) Eucarp of apple and strawberry

D) Pseudocarp of apple and strawberry                         Page No.-37, Medium

137.     In angiosperm, pollination and fertilization are –

A) Both independent of water

B) Both dependent of water

C) Only pollination is essentially on water

D) Only fertilization is dependent on water                  Page No.-37, Medium

138.     For storage of seeds –

A) Dehydration is important

B) Dormancy is important

C) Neither dehydration nor dormancy is needed

D) Both dehydration and dormancy are crucial

Page No.-37, Easy

139.     The oldest yet viable seed found is –

A) Lupinus from arctic tundra

B) Phoenix from arctic tundra

C) Lupinus from king herod’s palace

D) Phoenix from king herod’s palace                              Page No.-37, Easy

140.     Phoenix dactylifera is commonly known as–

A) Fig                         B) Coconut                C) Cashew    D) None of these

Page No.-37, Easy

2.5 Apomixis and Polyenbryony

141.     Apomixis is –

A) Fruit without fertilization                    B) Seed without fertilization

C) Plant without fertilization                    D) More than one option

Page No.-38, Easy

142.     Apomixis is –

A) A form of sexual reproduction that mimics asexual reproduction

B) A form of asexual reproduction that mimics sexual reproduction

C) Both of the above                                   D) None of these

Page No.-38, Easy

143.     Apomixis is found in –

A) Solanaceae           B) Liliaceae   C) Asteraceae D) Brassicaceae

Page No.-38, Easy

144.     Mango contains –

A) Multiple ovaries in a flower    B) Multiple ovules in an ovary

C) Multiple embryo in an ovule   D) More than one option is correct

Page No.-38, Easy

145.     What is the major constraint associated with hybrides?

A) Hybrides are not accepted by farmers

B) Hybrides are costly

C) Hybrid seeds have to be produced every year and the seeds from hybrid cannot be sown

D) More than one option is correct                                  Page No.-38, Easy

146.     What is the problem with sowing seeds from hybrid plant?

A) Seeds will not germinate (low germination rate)

B) Progeny will be unhealthy

C) Hybrid characters will be lost due to segregation

D) All of these                                                                      Page No.-38, Easy