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1. The word Gymnosperms was coined by 1 Aristotle 2 Goebel 3 Theophrastus 4 Haeckel


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CYCAS

1. The word Gymnosperms was coined by

1) Aristotle 2) Goebel 3) Theophrastus 4) Haeckel

2. Development of zygote in Gymnosperms is

1) Trichoblastic 2) Meroblastic 3) Coenoblastic 4) Diploblastic

3. The following described Gymnosperms as “Phaenerogams without ovary”

1) Sinnot 2) Goebel 3) Theophrastus 4) Endlicher

4. Following are Fruitless flowering plants

1) Pteridophytes 2) Gymnosperms 3) Polypetalae 4) Gamopetalae

5. The following are intermediate group between Pteriophytes and Angiosperms

1) Monocots 2) Dicots 3) Gymnosperms 4) Bryophytes

6. In Gymnosperms the female gametophyte is equivalent to

1) Endosperm 2) Embryosac 3) Female prothallus 4) All

7. Following is common in Gymnosperms

1) Polyembryony 2) Apogamy 3) Apospory 4) Parthenogenesis

8. In Gymnosperms fruit formation is absent due to absence of

1) Stigma 2) Style 3) Ovary 4) Integuments

9. Ploidy of endosperm in Gymnosperms is

1) n 2) 2n 3) 3n 4) 4n

10. Xylem in the root of Gymnosperm is

1) Monarch to diarch 2) Diarch to polyarch

3) Monarch to polyarch 4) Monarch to triarch

11. Vessels are seen only in

1) Pinus 2) Cycas 3) Gnetum 4) Ephedra

12. Ovules in Gymnosperms are

1) Orthotropous, unitegmic and crassinucellate

2) Antropous, bitegmic and tenuinucellate

3) Orthotropous unitegmic and tenuinucellate

4) Anatropous,k bitegmic and crassinucellate

13. Number of prothallial cells in the male gametophyte are

1) 1 to 2 2) 2 to 4 3) 3 to 4 4) 4 to 6

14. Pollination in Gymnosperms is

1) Hydrophilous 2) Anemophilous 3) Zoophilous 4) Entomophilous

15. Most of Gymnosperms are

1) Mesophytes 2) Xerophytes 3) Tropophytes 4) Halophytes

16. Following is the tallest and long lived plant species is

1) Sequoidadendron giganteum 2) Pinus excelsior

3) Gnetum gnemon 4) Cedrus deodar

17. Life cycle in Gymnosperms is

1) Haplobiontic 2) Diplohaplontic 3) Diplobiontic 4) Diplontic

18. Heteromorphic alternation of generations is seen in

1) Spirogyra 2) Rhizopus 3) Cycas 4) Mucor

19. If both guard cells and subsidiary cells are derived from same initial cell the stomata is called as

1) Haplocheilic 2) Syndetocheilic 3) Diplocheilic 4) Monocheilic

20. In Cycas the roots are

1) Monomorphic 2) Dimorphic 3) Trimorphic 4) Tetramorphic

21. Young leaves of Cycas shows the following type vernation

1) Plicate 2) Conduplicate 3) Replicate 4) Circinate

22. In Cycas the wood is

1) Pycnoxylic 2) Manoxylic 3) Trixylic 4) Tetraxylic

23. The following are indistinct in primary stems of Cycas

1) Cortex and pericycle 2) Pericycle and endodermis

3) Endodermis and epidermis 4) Endodermis and cortex

24. Stele in primary stem of Cycas is

1) Actinostele 2) Plectostele 3) Eustele 4) Haplostele

25. Girdle leaf traces are seen in

1) Cycas 2) Pinus 3) Ephedra 4) Gnetum

26. The following species of Cycas is called as Sago Palm

1) C.revoluta 2) C.circinalis 3) C.rumphii 4) C.beddomi.

27. Ornithochorous seeds are present in

1) Cycas 2) Pinus 3) Gnetum 4) All dicots

28. In Cycas endosperm is

1) Haploid 2) Diploid 3) Triploid 4) Tetraploid

29. Cycas belongs to class

1) Cycadoideaceae 2) Conferopsida 3) Cycadospida 4) Gnetopsida

30. The species of Cycas which occurs as wild species in Tirumala hills and Chittore

1) C.circinalis 2) C.revoluta 3) C.beddomi 4) C.pectinata

31. The following species is distributed in Eastern ghats

1) C.circinalis 2) C.revoluta 3) C.pectinata 4) C.rumphii

32. The following species of Cycas grows in dry deciduous forests of South India

1) C.beddomi 2) C.rumphii 3) C.circinalis 4) C.revoluta

33. The following species of Cycas grow in Andaman and Nicobas islands

1) C.rumphii 2) C.pectinata 3) C.beddomi 4) C.circinalis

34. The following Japanese species of Cycas is widely grown as an ornamental plant in India

1) C.rumphii 2) C.revoluta 3) C.pectinata 4) C.circinalis

35. The shape of stem in Cycas is

1) Deliquescent 2) Excurrent 3) Caudex 4) Cylindrical

36. Dichotomous branching is seen in the following species of Cycas

1) C.revoluta 2) C.circinalis 3) C.rumphii 4) C. beddomi

37. In male plants of Cycas branching is

1) Monopodial 2) Sympodial 3) Dichotomous 4) Helicoid

38. Growth of coralloid roots in Cycas is

1) Positively geotropic 2) Ageotropic 3) Plageotropic 4) Diageotropic

39. In Cycas endosperm is formed

1) After fertilization 2) Before fertilization

3) Before pollination 4) After archegonium maturation

40. In Cycas archegonial chamber is formed due to digeneration of following cells

1) Integument 2) Nucellus 3) Chalaza 4) Endosperm

41. The tiny space on the upper side between nucellus and the female gametophyte is

1) Pollen chamber 2) Microphylar chamber 3) Archegonial chamber 4) Chalazal chamber

42. In Cycas endosperm is formed by the mitotic division of

1) Primary endosperm nucleus 2) Secondary nucleus

3) Polar nuclei 4) Megaspore nucleus

43. Number of archegonia in the female gametophyte of Cycas is

1) 2 – 4 2) 2 – 8 3) 2 – 10 4) 1 – 4

44. Number of neck cells in the archegonium of Cycas is

1) 4 2) 8 3) 4 4) 2

45. The diameter of egg in Cycas is

1) 1 mm 2) 0.5 mm 3) 1.5 mm 4) 2 mm

46. Neck canal cells are absent in the archegonium of following

1) Funaria 2) Pteris 3) Cycas 4) Selaginella

47. Largest ovules occur in the following among the plant kingdom

1) Pteris 2) Zamia 3) Cycas 4) Ficus

48. Nucellar beak is present in the ovules of following

1) Taxus 2) Pinus 3) Gnetum 4) Cycas

49. Size of Cycas ovule is

1) 10 X 10 cm 2) 6 X 4 cm 3) 10 X 4 cm 4) 2 X 6 cm

50. Number of layers in the integument of ovule of Cycas is

1) 2 2) 1 3) 3 4) 4

51. Venter is absent in one of the following

1) Funaria 2) Pteris 3) Cycas 4) Polytrichum

52. In Cycas microspores are dispersed by

1) Air 2) Birds 3) Insects 4) Water

53. Number of prothallial cells in the mage gametophyte of Cycas is

1) 1 2) 2 3) 4 4) 9

54. Number of cells in the male gametophytes of Cycas at the time of liberation of mocropsore from

the microsporangium is

1) 2 2) 3 3) 4 4) 5

55. In the following egg and ventral canal nucleus are surrounded by the cells of endosperm

1) Pteris 2) Cycas 3) Funaria 4) Gnetum

56. In Cycas leaflet secondary transfusion tissue is present


  1. Between palisade parenchyma and upper epidermis

  2. Between spongyparenchyma and lower epidermis

  3. Between palisade and spongy parenchyma

  4. Between lower and upper epidermis

57. The thickenings which are present in secondary transfusion tissue are

1) Scalariform and Reticulate 2) Reticulate and Bordered pitted

3) Annular and simple pitted 4) Simple pitted and Reticulate

58. In cycas pinnule xylem in vascular bundle is

1) Exarch 2) Endarch 3) Mesarch 4) Pseudomesarch

59. In Cycas leaflet primary transfusion tissue occurs

1) Around the vascular bundle 2) Between upper and lower epidermis

3) Between palisade and spongy parenchyma

4) Between spongy parenchyma and lower epidermis

60. In the leaflet of Cycas the hypodermis is made up of

1) Parenchyma 2) Collenchyma 3) Chlorenchyma 4) Sclerenchyma

61. In Cycas diploxylic condition is seen in

1) Leaflet and stem 2) Root and stem 3) Leaflet and rachis 4) Rachis and stem

62. In Cycas the following is a xerophytic feature

1) Palisade and spongy parenchyma 2) Diploxylic xylem

3) Pseudomesarch xylem 4) Sunken stomata

63. In Cycas stem the schozogenous mucilage ducts are present in

1) Epidermis 2) Medulla 3) Cortex 4) 2 & 3

64. In the following species of Cycas vessels are present

1) C.revoluta 2) C.circinalis 3) C.pectinata 4) C.rumphii

65. In the following Cycas conjoint, collateral endarch and open vascular bundles are present

1) Rachis 2) Root 3) Stem 4) Pinnule

66. Following are absent in Cycas

1) Trachea and tracheids 2) Sievetubes and sieve cells

3) Companion cells and trachea 4) Xylem parenchyma and tracheids

67. In Cycas the following act as water reservoirs

1) Tracheas 2) Sieve tubes 3) Mucilage ducts 4) Tracheids

68. In the following of Cycas the vascular bundles are arranged in an inverted omega like manner

1) Stem 2) Leaflet 3) Root 4) Rachis

69. In rachis of Cycas the hypodermis is made up of

1) Collenchyma and paranchyma 2) Collenchyma and sclerenchyma

3) Chlorenchyma and sclerenchyma 4) Parenchyma and chlorenchyma

70. In the rachis of Cycas the vascular bundles are

1) Conjoint, collateral and open 2) Conjoint, collateral and closed

3) Bicollateral and open 4) Conjoint, collateral and endarch

71. Type of heterophylly in Cycas is

1) Environmental heterophylly 2) Adaptive heterophylly

3) Habitual heterophylly 4) Developmental heterophylly

72. Phyllotaxy in Cycas is

1) Alternate 2) Opposite decussate 3) Whroled 4) Opposite superposed

73. Foliage leaves in Cycas are

1) Unipinnate paripinnately compound 2) Unipinnate imparipinnate compound

3) Bipinnately compound 4) Multipinnately compound

74. Number of pinnules or leaflets on the rachis of Cycas are

1) 50 – 60 pairs 2) 60 – 70 pairs 3) 50 – 80 pairs 4) 50 – 100 pairs

75. Regular leaf fall occurs in cycas due to absence of

1) Stipules 2) Lateral veins 3) Abscission layer 4) Proper water supply

76. In Cycas the following are the index of the age of the plant

1) Diameter of the trunks 2) Annual rings

3) Length of the plant 4) Persistent leaf bases of foliage and scale leaves

77. In Cycas the spines at the base of the rachis represents the modified

1) Scale leaves 2) Stipules 3) Leaflets 4) Sporophylls

78. In the following the leaves are arranged just like a crown at the apex of the stem

1) Pteris 2) Cycas 3) Pinus 4) Funaria

79. Branching in coralloid roots is

1) Racemose 2) Uniparous 3) Scorpioid 4) Dichotomous

80. In Cycas the coralloid roots are inhabitated with the following blue green Algae

1) Spirulina and Nostoc 2) Gloeocapsa and anabaena

3) Anabaena and Nostoc 4) Nostoc and scytonema

81. Coralloid roots of Cycas are

1) Parasitic 2) Saprophytic 3) Reproductive 4) Symbiotic

82. In cycas the coralloid roots help in

1) Assimilaion and respiration 2) Respiration and nitrogen fixation

3) Nitrogen fixation and reproduction 4) assimilation and additional support

83. The surface of coralloid roots is rough due to the present of

1) Nodules 2) Lenticels 3) Scaly bark 4) Prickles

84. In the lower epidermis of Cycas rachis the sunken stomata belong to the following type

1) Syndetocheleic 2) Haplocheleic 3) Anomocytic 4) Paracytic

85. In rachis the vascular bundles are present in the following

1) Cortex 2) Medulla 3) Ground tissue 4) Hypodermis

86. In the rachis of Cycas ground tissue is made up of

1) Parenchyma 2) Collenchyma 3) Sclerenchyma 4) 1 and 3

87. In the following indusial hairs are present intermixed with microsporangia

1) Pteris 2) Cycas 3) Pinus 4) Gnetum

88. Number of ovules per each megas prorophyll in Cycas is

1) 1 – 2 pairs 2) 1 – 6 pairs 3) 1 – 4 pairs 4) 1 – 3 pairs

89. Papillate exospore is present on the megaspores of

1) Pteris 2) Pinus 3) Cycas 4) Gnetum

90. Indusial hairs in Cycas are

1) 1 – 3 celled 2) 1 – 4 celled 3) 1 – 5 celled 4) 1 – 2 celled

91. In Cycas the terminal sterile portion of the microsporophyll is

1) Hypophysis 2) Epiphysis 3) Periphysis 4) Apophysis

92. Number of microsporangia in each sorus of microsporophyll of Cycas is

1) 1 – many 2) 2 – 8 3) 2 – 6 4) 2 – 4

93. In Cycas seed number of generations different tissues is

1) 3 2) 2 3) 3 4) 4

94. In Cycas germination of seed is

1) Epigeal 2) Vivipary 3) Hypogeal 4) Ovipary

95. Number of cotyledons in Cycas seed the following types of tissues of three generations are found

1) 2 2) Many 3) 3 4) 4

96. In Cycas seed the following types of tissues of three generations are found

1) Parent sporophyte 2) Gemetophye 3) New sporophyte 4) All

97. In Cycas testa develops from

1) Outer sarcotesta 2) Middle sclerotesta 3) Inner sarcotesta 4) Inner endotesta

98. In the following embryo with haustorial tip is present

1) Cycas 2) Pteris 3) Funaria 4) Polytrichum

99. Number of regions in the proembryo of Cycas is

1) 3 2) 4 3) 2 4) 4

100. In Cycas the first division of the zygote is

1) Transverse 2) Longitudinal 3) Oblique 4) Free nuclear

101. In Cycas the radicle of the embryo is enclosed by a hard pad like protective covering known as

1) Coleoptile 2) Coleorhiza 3) Scutellum 4) Collar

102. In Cycas embryo the following are developed from embryonal part of the proembryo

1) Plumule 2) Radicle 3) Cotyledons 4) All

103. Polyembryony is seen in

1) Pteris 2) Cycas 3) Funaria 4) Polytrichum

104. In cycas the antherozoids are developed from

1) Tube cell 2) Body cell 3) Prothallial cell 4) Antheridial cell

105. Shape of antherozoida in Cycas are

1) Spindle 2) Top 3) Sickle 4) Cork screw

106. In the following largest spermatozoids are found among the plant kingdom

1) Pteris 2) Funaria 3) Cycas 4) Pinus

107. The arrangement of cilia on the antherozoids is

1) Alternate 2) spiral 3) Whorled 4) Opposite

108. Size of antherozoids in Cycas is

1) 150 – 200 microns 2) 100 – 200 microns 3) 180 – 210 microns 4) 100 – 300 microns

109. In the male gametophyte of Cycas body cell and stalk cell are developed from

1) Antheridial cell 2) Generative cell 3) Tube cell 4) Prothallial cell

110. In the male gametophyte of Cycas the pollen tube is formed by the elongation of

1) Generative cell 2) Tube cell 3) Antheridial cell 4) Prothallial cell

111. Number of cells in partly developed male gametophyte of Cycas is

1) 2 2) 3 3) 4 4) 5

112. Number of layers on the microspore of Cycas is

1) 2 2) 1 3) 4 4) 3

113. In the male gametophyte of Cycas generative and tube cells are formed from

1) Antheridial cell 2) Prothallial cell 3) Body cell 4) Stalk cell

114. Multiciliate Antherozoids are formed in

1) Cycas and Pteris 2) Funaria and Pteris 3) Cycas and Funaria 4) Cycas and Spirogyra

115. In Cycas the further development of male gametophyte that is after 3-celled stage takes place in

1) Archegonial chamber 2) Pollen chamber 3) Micropyle 4) Chalazal chamber

116. Dehiscence of microsporangium in Cycas is

1) Transverse 2) Longitudinal 3) Porous 4) Irregular

117. In Cycas number of antherozoids formed from body cell is

1) 1 2) 2 3) Many 4) 4

118. In Cycas outer layer of microspore is

1) Perispore 2) Epispore 3) Exine 4) Exosporium

119. In Cycas megaspore the endospore is

1) Endosporium 2) Intine 3) Mesine 4) Perispore

120. In Cycas megaspore the endospore is

1) Lamellar 2) Papillate 3) Fibrillar 4) Granular

121. In Cycas ovule only the following are vascularised

1) Archesporial cell 2) Parietal cell 3) Megaspore mother cell 4) Megaspore

122. In Cycas ovule only the following are vascularised

1) Outer and inner fleshy layers 2) All layers

3) Middle stony and inner fleshy layers 4) Middle stony and outer fleshy layers

123. In Cycas ovule the middle layer of integument is

1) Sarcotesta 2) Endotesta 3) Sclerotesta 4) Exotesta

124. In the following pollination is direct

1) Pteris 2) Cycas 3) Polypetalae 4) Gamopetalae

125. In cycas ovule pollination drop is formed due to disorganisation of the following

1) Micropyle 2) Chalaza 3) Nucellar beak 4) Integument

126. In Cycas after pollination the pollen grains are caught by

1) Nectar 2) Pollination drop 3) Gum 4) Resin

127. In Cycas ovule the pollination drop oozes out from

1) Micropyle 2) Chalaza 3) Nuclear beak 4) Integument

128. Location of microsporangia on the following surface of microsporophyll is

1) Adaxial 2) Abaxial 3) Apophysis 4) 1 and 2

129. Number of microsporangia on the microsporophyll of Cycas is

1) 200 – 700 2) 700 – 1000 3) 500 – 800 4) 200 – 400

130. In Cycas the following is Fern character

1) Coralloid root 2) Indusial hairs 3) Orthotropous ovule 4) nucellus

131. Development of microsporangia in Cycas is

1) Leptosporangiate 2) Eusporangiate 3) Bisporangiate 4) Tetrasporangiate

132. Outer most wall layer of microsporangium in Cycas is

1) Tapetum 2) Epithecium 3) Exothecium 4) Perithecium

133. In Cycas meiosis takes place in

1) Microspore mother cell 2) Archesporial cell 3) Parietal cell 4) Antheridial cell

134. Following is the nutritive layer in the microsporangium of Cycas

1) Endothecium 2) Tapetum 3) Perithecium 4) Hypothecium

135. In Cycas stem cortex is made up of

1) Thin parenchyma 2) Collenchyma 3) Sclerenchyma 4) Thick parenchyma

136. In Cycas girdle leaf traces occur in

1) Medulla 2) Pericycle 3) Endodermis 4) Cortex

137. Cortex of Cycas stem is rich in

1) Tannins 2) Starch 3) Resins 4) Gum

138. Medulla of Cycas is made up of

1) Collenchyma 2) Parenchyma 3) Chlorenchyma 4) Sclerenchyma

139. Following are present in the medulla of Cycas

1) Starch and resin canals 2) Starch and gum canals

3) Starch and mucilage canals 4) Starch andlatex ducts

140. In Cycas girdle leaf traces are

1) Direct radial leaf trace 2) Direct tangential leaf traces

3) Indirect main traces 4) Direct main traces

141. In Cycas the number of leaf traces received by each leaf is

1) 6 2) 2 3) 4 4) 1

142. In Cycas the number of types of leaf traces received by each leaf is

1) 2 2) 1 3) 4 4) 6

143. In one of the following anamolous secondary thickening is seen

1) Pteris 2) Cycas 3) Funaria 4) Polytrichum

144. Growth in male Cycas plant is

1) Monopodial 2) Intercalary 3) Lateral 4) Sympodial

145. Arrangement of microsporophylls on the cone axis is

1) Acropetalous 2) Centripetalous 3) Centrifugal 4) Basipetalous

146. Plants of Cycas are

1) Heterosporous and dioecious 2) Homosporous and monoecious

3) Heterosporous and autocious 4) Homosporous and autocious

147. Following are absent in female plants of Cycas

1) Coralloid roots 2) Monopodial growth 3) Cones 4) Persistent leaf bases

148. Arrangement of megasporophylls on female plants of Cycas is

1) Acropetalous 2) Basipetalous 3) Centripetalous 4) Centrifugal

149. Type of megaspore tetrad in Cycas is

1) T – shaped 2) Tetrahedral 3) Decussate 4) Linear

150. In Cycas ovule archesporial cell is formed from

1) Nucellar tissue 2) Integument 3) Chalaza 4) Microphyle

151. Number of functional megaspores in Cycas is

1) 2 2) Many 3) 4 4) 1

152. The location of functional megaspores in Cycas is

1) Micropylar side 2) Chalazal side 3) Lateral side 4) On all sides

153. In Cycas megasporophyll is covered with

1) Scale leaves 2) Ramenta 3) Prickles 4) Indusial hairs

154. In Cycas megasporophyll the ovules arise on either side of the

1) Lamina 2) Stalk 3) Apophysis 4) 1 and 2

155. In coralloid root of Cycas sphaeraphides occur in

1) Outer and inner cortex 2) Middle algal zone

3) Pericycle 4) Medulla

156. In Cycas coralloid root thickness of pericycle is

1) 3 layered 2) 2 layered 3) Single layered 4) Four layered

157. In the coralloid root of Cycas mucilage ducts and tannin cells are present in

1) Outer and inner cortex 2) Medulla 3) Endodermis 4) Pericycle

158. In the following parts of Cycas concentric rings of cambia and periderm are formed

1) Rachis 2) Leaflet 3) Old stem 4) Coralloid root

159. In Cycas vegetative reproduction takes place by

1) Tubers 2) Protonema 3) Gemma 4) Bulbils

160. In Cycas the sporophyte starts reproducing by seeds after

1) 20 years 2) 5 years 3) 10 years 4) 15 years

161. In Cycas coralloid roots the xylem is

1) Monarch 2) Diarch 3) Polyarch 4) Triarch

162. In the vascular bundle of leaflet of Cycas location of centripetalous xylem is

1) Towards the upper epidermis 2) Towards lower epidermis

3) Towards upper and lower epidermis 4) Lateral to the mesophyll tissue

163. In Cycas leaflet lack of lateral veins in compensated by the presense of

1) Primary transfusion tissue 2) Secondary transfusion tissue

3) Diploxylic xylem 4) Phloem

164. In the vascular bundle of Cycas leaflet the location of centrifugal xylem is

1) Towards lower epidermis 2) Towards upper epidermis

3) Towards upper and lower epidermis 4) Lateral to the mesophyll tissue

165. In the vascular bundle of Cycas leaflet location of phloem is

1) On the adaxial side of the bundle 2) On the abaxial side of the bundle

3) Lateral to the bundle 4) Completely surrounds the xylem

166. Following is a xerophytic character in Cycas leaflet

1) Poorly developed spongy parenchyma 2) Presence of thick cuticle

3) Sclerenchymatous hypodermis 4) All

167. In the following fertilization takes place by siphonogamy accompanied by zooidogamy

1) Pinus 2) Cycas 3) Pteris 4) Hibiscus

168. In Cycas due to the presence of the following feature polyembryony occurs

1) Nucellar beak 2) Formation of more than one archegonium

3) Prefertilized endosperm tissue 4) Siphonogamous fertilization

169. Motile male gametes are seen in the following

1) Cyvas 2) Funaria 3) Pteris 4) All

170. Following is called as living fossil

1) Cedrus 2) Cycas 3) Pinus 4) Gnetum

171. In Cycas the pollen tube acts as

1) Sperm carrier 2) Haustotium 3) Conducting organ 4) 1 and 2

172. Concentric rings of secondary xylem and secondary phloem are seen in the stem of

1) Cycas 2) Draceana 3) Pinus 4) Tridax

173. Successive rings of cambium are formed in the following

1) Pinus 2) Cycas 3) Hibiscus 4) Ficus

174. In rachis of Cycas the vascular bundle is surrounded by

1) Endodermis 2) Pericycle 3) Sclerenchyma 4) Thick walled bundle sheath

175. In Cycas the pollen tube comes out

1) Through germ pore 2) By repturing exine

3) Anatropous and unitegmic 4) Orthotropous and bitegmic

176. In Cycas fertilizsation is siphonogamous due to the formation of

1) Pollen chamber 2) Archegonial chamber 3) Pollen tube 4) Nucellar beak

177. In Cycas the ovules are

1) Orthotropous and unitegmic 2) Orthotropous and ategmic

3) Anatropous and unitegmic 4) Orthotropous and bitegmic

178. In Cycas the female gametophyte lives on the sporophyte as

1) Complete parasite 2) Partial parasite 3) Saprophyte 4) Symbiont

179. Successive concentric rings of phellogen are formed centripetally in the following

1) Pteris 2) Cycas 3) Dalbergia 4) Tridax

180. Polycyclic secondary vascular bundles are seen in the following

1) Pinus 2) Cycas 3) Dalbergia 4) Tridax

181. In Cycas gradual transition from endarch condition to exarch through pseudomesarch is seen in

1) Pinnule 2) Stem 3) Root 4) Rachis

182. In Cycas rachis centripetal xylem group is

1) Endarch 2) Exarch 3) Mesarch 4) Pseudomesarch

183. In Cycas leaf let translocation of water and organic solutes take place from midrib to the margin

in lateral direction by

1) Bundle sheath 2) Xylem 3) Phloem 4) Secondary transfusion tissue

184. In Cycas rachis centrifugal xylem groups are

1) Endarch 2) Mesarch 3) Exarch 4) Pseudomesarch

185. Cycas stem gives rugged appearance due to the presence of

1) Spines 2) Thorns 3) Scales 4) Persistent leaf bases

186. In young plants the number of foliage leaves in each crown is

1) 2 2) 1 3) 10 4) many

187. In Cycas stem the girdle leaf traces encircle the

1) Cortex 2) Endodermis 3) Medulla 4) Stele

188. Following is a xerophytic character in Cycas leaflet

1) Presence of transfusion tissue 2) Presence of sclerenchymatous hypodermis

3) Epidermis with thick walled cells 4) All

189. In Cycas a microsporophyll is equivalent to

1) Stamen 2) Anther 3) Filament 4) Connective

190. In Cycas megasporophylls are equivalent to

1) Gynoecium 2) Carpel 3) Style 4) Stigma

191. Coiled suspensor is present in the embryo of the following

1) Funaria 2) Pteris 3) Cycas 4) Polytrichum

192. In Cycas the two male gametes are discharged into the following

1) Archegonial chamber 2) Pollen chamber

3) Pollen tube 4) Nucellar beak

193. In Cycas accessory cambium rings are formed from

1) Medulla 2) Cortex 3) Endodermis 4) Pericycle

194. In Cycas microsporophyll sori – occur on

1) Basal part 2) Upper part 3) Middle part 4) Entire region

1) 3 2) 2 3) 2 4) 2 5) 3 6) 4 7) 1 8) 3 9) 1 10) 2

11) 3 12) 1 13) 1 14) 2 15) 2 16) 1 17) 2 18) 3 19) 2 20) 2

21) 4 22) 2 23) 2 24) 3 25) 1 26) 1 27) 1 28) 1 29) 3 30) 3

31) 1 32) 3 33) 1 34) 2 35) 3 36) 2 37) 2 38) 2 39) 2 40) 2

41) 3 42) 4 43) 2 44) 4 45) 2 46) 3 47) 3 48) 4 49) 2 50) 3

51) 3 52) 1 53) 1 54) 2 55) 2 56) 3 57) 2 58) 4 59) 1 60) 4

61) 3 62) 4 63) 4 64) 1 65) 3 66) 3 67) 3 68) 4 69) 3 70) 1

71) 3 72) 1 73) 1 74) 4 75) 3 76) 4 77) 3 78) 2 79) 4 80) 3

81) 4 82) 2 83) 2 84) 2 85) 3 86) 1 87) 2 88) 2 89) 3 90) 4

91) 4 92) 3 93) 3 94) 3 95) 1 96) 4 97) 1 98) 1 99) 1 100) 4

101) 2 102) 4 103) 2 104) 2 105) 2 106) 3 107) 2 108) 3 109) 2 110) 2

111) 2 112) 1 113) 1 114) 1 115) 2 116) 2 117) 2 118) 3 119) 2 120) 3

121) 3 122) 1 123) 3 124) 2 125) 3 126) 2 127) 1 128) 2 129) 2 130) 2

131) 2 132) 3 133) 1 134) 2 135) 1 136) 4 137) 2 138) 2 139) 3 140) 3

141) 3 142) 1 143) 2 144) 4 145) 1 146) 1 147) 3 148) 1 149) 4 150) 1

151) 4 152) 2 153) 2 154) 4 155) 1 156) 2 157) 1 158) 3 159) 4 160) 3

161) 4 162) 1 163) 2 164) 1 165) 2 166) 4 167) 2 168) 2 169) 4 170) 2

171) 4 172) 1 173) 2 174) 4 175) 2 176) 3 177) 1 178) 1 179) 3 180) 2



181) 4 182) 2 183) 4 184) 1 185) 4 186) 2 187) 4 188) 4 189) 1 190) 2

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