plant kingdom - sakshieducation.com€¦ · 4. [a]: all algae of kingdom plantae are multicellular...

12
www.sakshieducation.com www.sakshieducation.com PLANT KINGDOM 1. All organisms belonging to the following kingdoms have cell wall I. Monera II. Protista III. Fungi IV. Plantae a) All except II and III *b) All except I and II c) All except I and III d) All except I, II, III 2. Organisms with cellulosic cell walls are seen in the Kingdom a) Monera b) Fungi *c) Protista d) None 3. Match the following List – I List – II A B C D A) Unicellular alga I) Kelp *a) II IV V I B) Coenobial alga II) Chlamydomonas b) III IV V I C) Filamentous alga III) Albugo c) II V IV III D) Alga with massive body IV) Volvox d) IV II III V V) Ulothrix 4. [A]: All algae of kingdom plantae are multicellular [R]: Volvox has massive body a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false *d) A and R are false 5. Spermatophytes in the plant kingdom are a) Algae b) Bryophytes c) Pteridophytes *d) Gymnosperms 6. Choose the correct statement. *a) All Lichens have an organism belonging to kingdom Fungi b) All Lichens have one of the organisms belonging to Monera c) All Lichens have one of the organisms belonging to Plantae d) All Lichens have one of the organisms belonging to Protista 7. Match the following List – I List – II A B C D A) Flagellated isogametes I) Some species of Chalmydomonas a) V IV II I B) Non-flagellated isogametes II) Most of the species of Chlamydomonas *b) II III IV I C) Female gamete is always non-flagellated III) Spirogyra c) II III V IV D) Flagellated anisogametes IV) Volvox d) II III IV V V) Chlorella

Upload: others

Post on 07-Jul-2020

17 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: PLANT KINGDOM - sakshieducation.com€¦ · 4. [A]: All algae of kingdom plantae are multicellular [R]: Volvox has massive body a) Both A and R are true and R is the correct explanation

www.sakshieducation.com 

www.sakshieducation.com 

 

PLANT KINGDOM 1. All organisms belonging to the following kingdoms have cell wall

I. Monera II. Protista III. Fungi IV. Plantae

a) All except II and III *b) All except I and II

c) All except I and III d) All except I, II, III

2. Organisms with cellulosic cell walls are seen in the Kingdom

a) Monera b) Fungi *c) Protista d) None

3. Match the following List – I List – II A B C D A) Unicellular alga I) Kelp *a) II IV V I B) Coenobial alga II) Chlamydomonas b) III IV V I C) Filamentous alga III) Albugo c) II V IV III

D) Alga with massive body IV) Volvox d) IV II III V

V) Ulothrix

4. [A]: All algae of kingdom plantae are multicellular [R]: Volvox has massive body a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false *d) A and R are false

5. Spermatophytes in the plant kingdom are

a) Algae b) Bryophytes c) Pteridophytes *d) Gymnosperms

6. Choose the correct statement.

*a) All Lichens have an organism belonging to kingdom Fungi

b) All Lichens have one of the organisms belonging to Monera

c) All Lichens have one of the organisms belonging to Plantae

d) All Lichens have one of the organisms belonging to Protista

7. Match the following List – I List – II A B C D

A) Flagellated isogametes I) Some species of Chalmydomonas a) V IV II I

B) Non-flagellated isogametes II) Most of the species

of Chlamydomonas *b) II III IV I

C) Female gamete is always non-flagellated III) Spirogyra c) II III V IV

D) Flagellated anisogametes IV) Volvox d) II III IV V V) Chlorella

Page 2: PLANT KINGDOM - sakshieducation.com€¦ · 4. [A]: All algae of kingdom plantae are multicellular [R]: Volvox has massive body a) Both A and R are true and R is the correct explanation

www.sakshieducation.com 

www.sakshieducation.com 

 

8. [A]: Life cycle in algae is usually haplontic. [R]: All stages in the life cycle of algae are haploid a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A *c) A is true but R is false d) A and R are false

9. Chemically the pyrenoids are made of

a) Lipids b) Nucleotides *c) Amino acids d) Fatty acids

10. Cell wall of Chlorophyceae has

a) Cellulose and Lignin b) Algin, Cellulose

c) Pectin, Algin *d) Cellusose, Pectin

11. Match the following List – I List – II A B C D A) Algin I) Chara a) III IV V I B) Carrageen II) Laminaria *b) III IV V II C) Agar-Agar III) Brown algae c) II IV V IIID) Iodine IV) Red algae d) III V II IV

V) Gelidium

12. [A]: Sexual reproduction in Fucus is described as Oogamous [R]: It has motle, very large female gamete a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A *c) A is true but R is false d) A and R are false

13. Choose the wrong statement

a) Chlorophycean algae have pyrenoids

b) The reserve food material in Chara is starch

c) Chlorella is used as food by spece travellers

*d) Zoospore formation is uncommon in Chlorophyceae

14. Volvox is a/an

a) Colonial brown alga b) Multicellular fungus

*c) Coenobial green alga d) Unicellular alga

15. Match the following List – I List – II A B C D A) All algae of Plantae have I) Carrageen *a) III IV II I

B) All algae of chlorophyceae have II) Algin b) II IV I III

C) Kelp III) Chlorophyll a c) III V I II D) Hydrocolloid IV) Chlorophyll b d) II V III IV

V) Chlorophyll c 16. Zoospores of Phaeophyceae are

a) Isokontic b) spherical c) ellipsoidal *d) Heterokontic

Page 3: PLANT KINGDOM - sakshieducation.com€¦ · 4. [A]: All algae of kingdom plantae are multicellular [R]: Volvox has massive body a) Both A and R are true and R is the correct explanation

www.sakshieducation.com 

www.sakshieducation.com 

 

17. This is filamentous brown alga

*a) Ectocarpus b) Laminaria c) Fucus d) Sargassum

18. Match the following List – I List – II A B C D A) Cell wall lacks pectin I) Eubacterium *a) II III IV I

B) Cell wall with polysulphate esters II) Laminaria b) II V IV III

C) Cell wall with Chitin III) Polysiphonia c) III IV V II D) Cell wall with Mureins IV) Neurospora d) II III IV V

V) Mycoplasma

19. [A]: Ectocarpus reproduces asexually by zoospores [R]: It produces asexual spores with anterior flagella a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A *c) A is true but R is false d) A and R are false

20. Red coloration to red algae is due to

a) α-carotene b) β-carotene c) Anthaxanthin *d) Phycoerythrin

21. The pear shaped structures of Phaeophyceae are

a) Chloroplast, Gametes b) Zoospores, Chloroplast

*c) Gametes, Zoospores d) Oogonium, Spermatangium

22. Match the following List – I List – II A B C D A) Photosynthetic organ I) Zoospore of brown alga *a) IV III II I

B) Resembles amylopectin II) Sex organ b) IV V II I

C) Carpogonium III) Floridean starch c) V III II I D) Unequal flagella IV) Frond d) IV III I II

V) Laminarin

23. [A]: Red algae can grow in deep waters of the sea. [R]: They have Phycoerythrin *a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A and R are false

24. Choose the odd alga

a) Polysiphonia *b) Dictyota c) Porphyra d) Gelidium

25. Mannitol is the reserve food of

*a) Ectocarpus b) Volvox c) Gelidium d) Gracilaria

Page 4: PLANT KINGDOM - sakshieducation.com€¦ · 4. [A]: All algae of kingdom plantae are multicellular [R]: Volvox has massive body a) Both A and R are true and R is the correct explanation

www.sakshieducation.com 

www.sakshieducation.com 

 

26. Match the following List – I List – II A B C D A) Colonial form I) Ulothrix a) IV II I III B) Oogamy II) Polysiphonia b) V IV III II C) Green alga III) Fucus c) V III I II D) Brown alga IV) Noctiluca *d) V II I III

V) Volvox 27. [A]: Chlamydomonas is a green alga

[R]: It is eukaryotic; single celled and has two flagella at the anterior a) Both A and R are true and R is the correct explanation of A *b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A and R are false

28. The common cell wall material among algae is

a) Pectin b) Carrageen c) Algin *d) Cellulose

29. The life cycle of algae is usually

a) Diplo-haplontic b) Diplontic *c) Haplontic d) Haplo-diplontic

30. [A]: Laminaria is a phaeophyceae member. [R]: It has Chlorophyll a and c. a) Both A and R are true and R is the correct explanation of A *b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A and R are false

31. The following plants play a role in plant succession on bare rock/soil.

a) Lichens b) Mosses c) Ferns *d) a and b

32. The prevalent tissue among the Bryophytes is

a) Sclerenchyma *b) Parenchyma c) Collenchyma d) Complex tissue

33. Match the following List – I List – II A B C D A) Archegonium I) Male sex organ *a) II IV V I B) Cauloid II) Female sex organ b) III IV V II C) Bud III) Root like structure c) IV V III II D) Antheridium IV) Stem like structure d) II V IV III

V) Gemma

34. [A]: Bryophytes are called as Amphibians of Plant Kingdom [R]: Most of the bryophytes grow on moist soil and need water for fertilization. *a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A and R are false

35. Sex organs of Bryophytes are

I. Jacketed II. Multicellular III. Stalked

a) I and II b) II and III c) I and III *d) I, II, III

Page 5: PLANT KINGDOM - sakshieducation.com€¦ · 4. [A]: All algae of kingdom plantae are multicellular [R]: Volvox has massive body a) Both A and R are true and R is the correct explanation

www.sakshieducation.com 

www.sakshieducation.com 

 

36. Life cycle of Bryophyte is

a) Diplo-haplontic b) Haplo-biontic *c) Haplo-diplontic d) Diplo-biontic

37. Match the following List – I List – II A B C D A) Biflagellated structure I) Capsule *a) IV V II I B) Flask shaped structure II) Elaters b) V IV I III

C) Help in spore dispersal III) Antheridium c) III V I II

D) Forms spores IV) Antherozoids d) IV V III I V) Archegonium

38. [A]: Sporophyte of Bryophyte is homosporous [R]: Spores in Bryophytes are formed as a result of mitotic division. a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A *c) A is true but R is false d) A and R are false

39. Sexual reproduction in Bryophytes is

a) Isogamous b) Anisogamous

c) Non-zoidogamous oogamy *d) Zooidogamousoogamy

40. Sporophyte of Bryophytes is

a) Independent b) Always photosynthetic

c) Always non-photosynthetic *d) Parasitic on gametophyte

41. Match the following List – I List – II A B C D A) Soil conditioner I) Funaria a) IV III I II B) Elaters II) Anthoceros *b) III IV II I C) Pseudo elaters III) Sphagnum c) V IV I II D) Peristomial teeth IV) Marchantia d) III V II I

V) Porphyra 42. [A]: Anthoceros is called as Hornwort.

[R]: It has indefinitely growing elongated horn-like sporophyte. *a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A and R are false

43. Gametophyte has leaf like structures in

I. Hepaticopsida II. Anthocerotopsida III. Bryopsida IV. Rhodophyceae

a) I, II b) I, II, III *c) I, III d) I, II, III, IV

44. Antheridia and Archegonia are formed on different thalli in

*a) Marchantia b) Riccia c) Sphagnum d)Funaria

Page 6: PLANT KINGDOM - sakshieducation.com€¦ · 4. [A]: All algae of kingdom plantae are multicellular [R]: Volvox has massive body a) Both A and R are true and R is the correct explanation

www.sakshieducation.com 

www.sakshieducation.com 

 

45. Match the following List – I List – II A B C D A) Intercalary meristem I) Sphagnum *a) III IV I II B) Gemma cups II) Polytrichum b) III IV I V C) Paraphyses III) Anthoceros c) II IV I V D) Haircap moss IV) Marchantia d) III V II IV

V) Funaria 46. Pteridophytes are

a) First land plants b) First archegoniates

c) First embryophytes *d) First tracheophytes

47. Pteridiphyta has

a) Mosses b) Liverworts *c) Club mosses d) Hornworts

48. Match the following List – I List – II A B C D A) Siphonostele I) Scattered vascular bundles a) V IV III I B) Protostele II) Overlapping leaf gaps *b) V IV III II C) Solenostele III) Scattered leaf gaps c) IV V I II

D) Dictiyostele IV) Xylem surrounded by phloem d) V III II I

V) Medullated stele with xylem surrounded by Phloem.

49. [A]: Leaves of Selaginella are microphyllous [R]: Leaf gaps are absent in all heterosporous species a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A *c) A is true but R is false d) A and R are false

50. Choose the correct statement

a) Heterospory is more common in Pteridophytes

*b) Homospory is more common in Pteridophytes

c) Pteridophytes show only heterospory

d) Primitive pteridophytes do not show heterospory at all.

51. This is Sphenopsid

a) Salvinia b) Marselia c) Selaginella *d) Equisetum

52. Match the following List – I List – II A B C D A) Indusium I) Leaves of ferns a) IV II III I

B) Ramenta II) Membranous covering of sorus *b) II IV III I

C) Strobilus III) Aggregation of sporophylls on common axis c) IV III II V

D) Fronds IV) Brown hair on petiole d) II V I III V) gametophyte

Page 7: PLANT KINGDOM - sakshieducation.com€¦ · 4. [A]: All algae of kingdom plantae are multicellular [R]: Volvox has massive body a) Both A and R are true and R is the correct explanation

www.sakshieducation.com 

www.sakshieducation.com 

 

53. [A]: Adiantum has multiciliated male gametes

[R]: It is a fern *a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A and R are false

54. Choose the odd plant

a) Pteris b) Adiantum c) Dryopteris *d) Lycopodium

55. Psilotum is a

a) Bryophyte b) Alga *c) Pteridophyte d) Gymnosperm

56. Match the following List – I List – II A B C D

A) Sori on abaxial surface of leaf I) Lycopodium a) V IV I II

B) False indusium II) Selaginella *b) V IV II I C) Heterospory III) Polytrichum c) IV V III I D) Homospory IV) Pteris d) V III I II

V) Dryopteris

57. [A]: Pteridophytes are limited to narrow geographical area. [R]: They are terrestrial plants which always require water for fertilization. *a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A and R are false

58. Prothallus is

a) Juvenile gametophyte of Bryophytes b) Thallus of Algae

*c) Gametophyte of Pteridophytes d) Young sporophyte of Pteridophytes

59. Photosynthetic independent gametophytes and sporophytes are seen in

a) Bryophytes b) Thallophyta c) Spermatophyta *d)Pteridophyta

60. Match the following List – I List – II A B C D

A) Pinnate compound leaves I) Equisetum a) V IV II III

B) Primitive pteridophyte II) Adiantum b) IV V I II C) Fern III) Ginkgo c) V I II IVD) Horse tail IV) Psilotum *d) V IV II I

V) Dryopteris 61. [A]: The larger leaves of ferns are called as Fronds.

[R]: Fronds of ferns are not involved in reproduction a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A *c) A is true but R is false d) A and R are false

Page 8: PLANT KINGDOM - sakshieducation.com€¦ · 4. [A]: All algae of kingdom plantae are multicellular [R]: Volvox has massive body a) Both A and R are true and R is the correct explanation

www.sakshieducation.com 

www.sakshieducation.com 

 

62. Sex organs of Pteridophytes are

a) Unicellular, jacketed, sessile b) Multicellular, stalked, Jacketed

*c) Multicellular, Jacketed, Sessile d) Unicellular, Jacketed, Sessile

63. The first step to seed habit is

*a) Heterospory b) Fertilisation in the female gametophyte

c) Retention of female gametophyte in the sporophyte

d) Development of embryo in the female gametophyte.

64. Match the following List – I List – II A B C D

A) Open dichotomous venation I) Pteris a) V II III I

B) Cones II) Selaginella b) IV III II I C) Heterospory III) Equisetum c) V IV I III

D) Reflexed leaf margin of sporophyll IV) Psilotum *d) V III II I

V) Dryopteris

65. [A]: Fertilisation in Pteridophytes is by zooidogamousoogamy [R]: In all Pteridophytes, the female gamete is larger, non-flagellate and stationary but the male gamete is multiflagellate. a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A *c) A is true but R is false d) A and R are false

66. Gymnosperms are

*a) Archegoniate spermatophytes

b) Archegoniate non-spermatophytes

c) Non-archegoniate spermatophytes

d) Spermatophytes with aflagellate male gametes

67. Strobili are seen in

a) All archegoniates b) All spermatophytes

*c) Tracheatearechegoniates d) All embryophytes'

68. Match the following List – I List – II A B C D A) Living fossil I) Sequoia *a) III IV II I B) Needle like leaves II) Cycas b) IV V I II C) Pinnate compound leaves III) Ginkgo biloba c) V IV II I D) Tallest Gymnosperm IV) Pinus d) III IV II V

V) Gnetum

Page 9: PLANT KINGDOM - sakshieducation.com€¦ · 4. [A]: All algae of kingdom plantae are multicellular [R]: Volvox has massive body a) Both A and R are true and R is the correct explanation

www.sakshieducation.com 

www.sakshieducation.com 

 

69. [A]: Stems of Gymnosperms show Eustele [R]: Vascular bundles are regularly arranged in the stele of archegoniate spermatophytes. *a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A and R are false

70. Mycorrhizal roots are seen in

a) Cedrus b) Cycas *c) Pinus d)Gnetum

71. Pinus is

*a) Monoecious b) Dioecious c) Polygamous d)Trioecious

72. [A]:Cycas shows fern characters. [R]: Male gametophyte of Cycas is independent a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A *c) A is true but R is false d) A and R are false

73. Circinate vernation of leaves is shown by

*a) Cycas b) Pinus c) Cedrus d) Ginkgo

74. Gymnosperm with unbranched stem is

*a) Cycas b) Ginkgo c) Pinus d)Gnetum

75. [A]: Cycas shows symbiosis [R]: Coralloid roots of Cycas have Cyanobacteria *a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A and R are false

76. Gymnosperms do not show

a) Syngamy b) Zooidogamy c) Siphonogamy *d) Triple fusion

77. The minimum number of female gametes seen in female gametophyte of Gymnosperms is

*a) 2 b) 3 c) 4 d) 5

78. [A]: Endosperm of Gymnosperms is haploid [R]: The multicellular structure developed from megaspore helps in nourishing the zygote to develop into embryo. *a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A and R are false

79. Red wood tree is

a) Pinus *b) Sequoia c) Cycas d)Cedrus

80. Motile male gametes are seen in

a) Pinus b) Ginkgo *c) Cycas d)Gnetum

Page 10: PLANT KINGDOM - sakshieducation.com€¦ · 4. [A]: All algae of kingdom plantae are multicellular [R]: Volvox has massive body a) Both A and R are true and R is the correct explanation

www.sakshieducation.com 

www.sakshieducation.com 

 

81. [A]: Seeds of Pinus are naked [R]: Seed coat is absent in Gymnosperm seeds a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A *c) A is true but R is false d) A and R are false

82. Cones of Gymnosperms are equivalent to

*a) Flowers b) Androecium c) Gynoecium d)Perianth

83. Branched stem is seen in

I. Cycas II. Pinus III. Cedrus

a) I, II,III *b) II, III c) I, II d) I, III

84. [A]: Pinus shows less transpiration in high wind velosity [R]: Leaves of Pinus are reduced to needle like structures. *a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A and R are false

85. [A]: Pollination is Gymnosperms is direct. [R]: Ovules of gymnosperms are not enclosed *a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A and R are false

86. Perianth is present in

I. Angiosperms II.Gymnosperms III.Pteridophytes IV. Dicots

a) I, II b) II, III c) III, IV *d) I, IV

87. Embryosac is

a) Diploid b) Triploid *c) Haploid d) Tetraploid

88. Match the following List – I List – II A B C D A) Companion cells I) Microsporophyll *a) III V IV II B) Embryosac II) Megasporophyll b) III V IV I C) Triple fusion III) Phloem c) IV III V II D) Carpel IV) Endosperm d) III IV V I

V) Female gametophyte 89. [A]: Endosperm is present in angiosperms

[R]: Angiosperms show double fertilization a) Both A and R are true and R is the correct explanation of A *b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A and R are false

90. Pollination is Angiosperms is

a) Anemophilous b) Hydrophilous c) Zoophilous *d) All

Page 11: PLANT KINGDOM - sakshieducation.com€¦ · 4. [A]: All algae of kingdom plantae are multicellular [R]: Volvox has massive body a) Both A and R are true and R is the correct explanation

www.sakshieducation.com 

www.sakshieducation.com 

 

91. Female sex organ of angiosperms is

a) Cone *b) Carpel c) Microsporophyll d) Embryosac

92. Match the following with respect to angiosperms List – I List – II A B C D A) 3 celled structure I) Central cell a) II I V IV B) Binucleate structure II) Synergids b) III II IV V

C) Smallest cells of embryosac III) Egg apparatus *c) III I V IV

D) Gamete of embryosac IV) Egg cell d) III I IV II V) Antipodals

93. [A]: Pollination in Angiosperms is indirect. [R]: Pollen grains are deposited on the stigma in plants with true flowers *a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A and R are false

94. The smallest angiosperm is

*a) Wolfia b) Lemna c) Cuscuta d) Arceuthobium

95. The tallest angiosperm is

*a) Eucalyptus b) Sequoia c) Pseudoptsuga d) Casuarina

96. Match the following List – I List – II A B C D A) Diplontic life cycle I) Polysiphonia *a) IV V II I B) Haplontic life cycle II) Marchantia b) V IV I II

C) Haplodiplontic life cycle III) Pteris c) IV III II I

D) Diplobiontic life cycle IV) Fucus d) IV V II III V) Spirogyra

97. [A]: Life cycle in Laminaria is Haplodiplontic [R]: Laminaria has multicellular dominant gametophyte and unicellular sporophytic stages in its life cycle. a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A *c) A is true but R is false d) A and R are false

98. Life cycle of Ectocarpus resembles the life cycle of

a) Pteridophytes b) Volvox *c) Bryophytes d)Polysiphonia

99. Life cycle in Tracheophytes is

a) Haplodiplontic *b) diplohaplontic c) Diplobiontic d)Haplobiontic

Page 12: PLANT KINGDOM - sakshieducation.com€¦ · 4. [A]: All algae of kingdom plantae are multicellular [R]: Volvox has massive body a) Both A and R are true and R is the correct explanation

www.sakshieducation.com 

www.sakshieducation.com 

 

100. [A]: In Angiosperms the male gametes are discharged into the female gametophyte. [R]: Pollen tube penetrates the synergid of embryosac. *a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A and R are false

101. Angiosperms do not have

a) Archegonia b) motile male gametes

c) Motile female gamete d) All

102. Endosperm of Angiosperms belongs to

a) gametophytic generation

b) sporophytic generation

*c) neither gametophytic nor sporophytic generation

d) usuallysporophytic generation and sometimes gametophytic generation

103. [A]: Ovules of angiosperms are enclosed [R]: Ovules of angiosperms have covering layers called integuments a) Both A and R are true and R is the correct explanation of A *b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A and R are false

104. The total number of haploid nuclei involved in double fertilization is

a) Two b) Three c) Four *d) Five

105. The cells of embryo sac that perish after fertilization are

a) Synergids b) Antipodals c) Central cell *d) a and b