Chapter 3 - Plant Kingdom | Plant Kingdom Quiz Questions

Practice Questions

Classification System

1. Who suggested the five kingdom of classifications?

(a) Robert Hooke (b) Joseph Dalton Hooker

(c) Carolus Linnaeus (d) Whittaker

 2. The earliest classifi cation used only

(a) Physiological characters (b) Gross anatomical characters

(c) Gross morphological characters (d) All of these

 3. Artificial systems gave equal weightage to

(a) Morphological and anatomical characters

(b) Vegetative and sexual characters

(c) Vegetative and anatomical characters

(d) Morphological and sexual characters

 4. _______ characters are easily aff ected by environment

(a) Sexual (b) Somatic (c) Anatomical (d) All of these

 5. Natural classification system developed were

(a) Natural affinities amongst organism (b) Ultra structure and anatomy

(c) Embryology (d) All of these

 6. The classification based on evolutionary history was

(a) Phylogenetic classification (b) Artifi cial classifi cation

(c) Numerical classification (d) None of these

 7. Numbers and codes are assigned to the characters in

(a) Cytotaxonomy (b) Chemotaxonomy

(c) Numerical taxonomy (d) None of these

 8. Chemotaxonomy is based on

(a) Information of chromosome number, structure and behaviour.

(b) Chemical constituents of plants

(c) All observable characters

(b) Only sexual characters

 9. According to phylogenetic classification the organisms belonging to same taxa

(a) Are same in anatomy (b) Have same genetic constituent

(c) Have a common ancestor (d) Have all same characteristics

10. The characters used to classify organism when no fossil evidence is supportive is

(a) Numerical taxonomy (b) Cytotaxonomy

(c) Chemotaxonomy (d) All of these

Algae

11. Chlorophyll bearing, thalloid, simply, autotropic and mainly aquatic organisms are

(a) Bryophytes (b) Protist (c) Algae (d) All of these

12. Filamentous forms of algae are

(a) Ulothrix (b) Spirogyra (c) Chlamydomonas (d) Both (a) and (b)

13. Volvox is a

(a) Unicellular algae (b) Filamentous algae (c) Colonial algae (d) Symbiotic algae

14. The modes of reproduction found in algae are

(a) Vegetative (b) Asexual (c) Sexual (d) All of these

15. Vegetative reproduction in algae is by

(a) Binary fusion (b) Fragmentation (c) Budding (d) Cyst formation

16. Spore formation in algae occur during

(a) Vegetative reproduction (b) Asexual reproduction

(c) Sexual reproduction (d) During germination

17. Isogamy is seen in

(a) Chlamydomonas (b) Spirogyra (c) Both (a) and (b) (d) None of these

18. Algae possesing both isogamy and anisogamy is

(a) Chlamydomonas (b) Volvox (c) Spirogyra (d) Fucus

19. Male gamete is small and motile and female gamete is large and immotile in

(a) Fucus (b) Spirogyra (c) Ulothrix (d) All of these

20. 50 per cent CO2

 fixation on earth is carried out by

(a) Protist (b) Higher plants (c) Algae (d) None of these

21. Marine algae used as food are

(a) Laminaria (b) Sargassum (c) Porphyra (d) All of these

22. Hydrocolloids are secreted by

(a) All of the algae (b) Only brown algae

(c) Only red algae (d) Both red and brown algae

23. Algin is secreted by

(a) All of the algae (b) Only brown algae

(c) Only red algae (d) Both red and brown algae

24. Carrageen is secreted by

(a) All of the algae (b) Only brown algae

(c) Only red algae (d) Both red and brown algae

25. Microbes used in the preparation of ice cream and jellies are grown on the product secreted by

(a) Chlorella (b) Spirullina

(c) Gelidium and gracilaria (d) All of these

26. The algae rich in proteins and used as food by space travellers is

(a) Chlorella (b) Spirullina (c) Both (a) and (b) (d) Laminaria

27. Agar is commercially obtained from

(a) Gelidium and gracilaria (b) Laminaria and spirulina

(c) Chlorella and spirullina (d) Chlamydomonas and spirogyra

28. Green algae are kept in

(a) Phaeophyceae (b) Xanthophylls (c) Xhlorophyceae (d) Rhodophyceae

29. The organism which contain chlorophyll ‘a’ and ‘b’ cup-shaped chloroplast and is unicellular is

(a) Spirogyra (b) Chlamydomonas (c) Volvox (d) Ulothrix

30. Dominance of chlorophyll ‘a’ and ‘b’, pyrenoids and starch as stored food are found in

(a) Members of chlorophyceae (b) Members of rhodophyceae

(c) Members of phaeophyceae (d) All of these

31. Chlorophyceae are grass green due to the dominance of pigment

(a) Chlorophyll a, c (b) Chlorophyll b, a

(c) Chlorophyll d, c (d) All of these

32. Pyrenoids are located in

(a) Cytoplasm (b) Mitochondria (c) Chloroplast (d) Nucleus

33. Pyrenoids store

(a) Protein (b) Starch (c) Lipids (d) Both (a) and (b)

34. Cell wall of green algae is made up of

(a) Cellulose and pectose

(b) Cellulose and pectin

(c) Inner layer of pectose and outer layer of cellulose

(d) Inner layer of cellulose and outer layer of pectose

35. Zoospores are formed during asexual reproduction of algae and formed in

(a) Sporangia (b) Zoosporangia (c) Microsporangia (d) Megasporangia

36. Sexual reproduction is of isogamous, anisogamous and oogamous in

(a) Chlorophyceae (b) Rhodophyceae

(c) Chlorophyceae and Phaeophyceae (d) Chlorophyceae and Rhodophyceae

37. Algae which are primarily marine is

(a) Red algae (b) Brown algae (c) Green algae (d) All of these

38. Filamentous brown algae is

(a) Spirogyra (b) Laminaria (c) Ectocarpus (d) Porphyra

39. Green algae performs _______ oogamous type sexual reproduction

(a) Sphagnum (b) Volvox (c) Dictyota (d) Spirogyra

40. Kelps represent the group of

(a) Bryophytes (b) Red algae (c) Green algae (d) Brown algae

41. Kelps may reach a height up to

(a) 120 m (b) 100 m (c) 1000 m (d) 10 m

42. The algae which possess chlorophyll a, c, carotenoids and xanthophylls belong to

(a) Green algae (b) Brown algae (c) Both (a) and (b) (d) None of these

43. Brown algae vary in colour from _______ to various shades of _______ depending on the

amount of _______ pigment and _______ present in them

(a) fucoxanthin, xanthophyll, blue, brown

(b) blue, brown, fucoxanthin, xanthophyll

(c) yellow, brown, fucoxanthin, xanthophyll

(d) olive green, brown, fucoxanthin, xanthophyll

44. Laminaria and mannitol are stored foods of

(a) Euglena (b) Green algae (c) Liverworts (d) Brown algae

45. The plant body of algae is divided in holdfast, stipe and fronds in

(a) Chara (b) Laminaria (c) Porphyra (d) All of these

46. The plant body attached to substratum in brown algae is by

(a) Rhizoids (b) Multicellular hair (c) Holdfast (d) Roots

47. The photosynthetic leaf like organ found in some of the algae are called

(a) Sporophyll (b) Fronds (c) Leaves (d) Scaly leaves

48. Zoospores of brown algae are

(a) Uniflagellate (b) Multiflagellate

(c) Biflagellate (d) May be any of the above three

49. The arrangement of flagella in brown algae is

(a) One and equally arranged

(b) Two unequal and laterally arranged

(c) Many flagella arranged anywhere on the body

(d) Depends from organism to organism

50. The biflagellate pear-shaped zoospores are characteristics of

(a) Red algae (b) Green algae (c) Brown algae (d) All of these

51. Fertilization in brown algae occurs in

(a) Water (b) Within the oogonia (c) Both (a) and (b) (d) None of these

52. Sexual reproduction shown by members of brown algae is

(a) Isogamous (b) Anisogamous (c) Oogamous (d) All of these

53. Pyriform gametes means

(a) Pea-shaped gametes (b) Pear shaped gametes

(c) Gametes with one flagella (d) All of these

54. Dictyota belongs to

(a) Bryophytes (b) Green algae (c) Brown algae (d) None of these

55. Red algae are red due to the presence of pigment

(a) Phycoerythrin (b) r-phycocyanin (c) r-phycoerythrin (d) r-phepocyamin

56. Red algae are found in

(a) Cold seas (b) Seas with moderate temperature

(c) Warm water (d) None of these

57. Algae found in the areas where no light penetrates is

(a) Green algae (b) Dinoflagellates (c) Red algae (d) Brown algae

58. Algae found in areas with abundant light as well as areas of great depths with no light is

(a) Red algae (b) Green algae (c) Blue algae (d) Brown algae

59. Red algae are mostly

(a) Unicellular (b) Multicellular

(c) May be multicellular and unicellular (d) None of these

60. Floridean starch is stored food found in

(a) Some protist (b) Some bryophytes (c) Some algae (d) Prokaryotes

61. Floridean starch is similar to

(a) Amylopectin (b) Glycogen (c) Fructose (d) Both (a) and (b)

62. The spores and gametes of red algae are

(a) Motile and non-motile (b) Both are motile

(c) Both non-motile (d) Motile spores and non-motile gamete

63. Sexual reproduction of oogamous type is found in

(a) Red algae (b) Green algae (c) Brown algae (d) All of these

64. The most reduced type of sexual reproduction is found in the members of

(a) Red algae (b) Green algae (c) Brown algae (d) All of these

65. _______ reproduction is shown by the members of rhodophyceae.

(a) Oogamous (b) Isogamous (c) Anisogamous (d) All of these

66. Fronds are found in which of the following algae?

I. Laminaria II. Fucus

III. Dictyota IV. Porphyra

(a) I, II, and III (b) I and II (c) II and III (d) All of these

67. Air bladders are shown by

(a) Fucus (b) Laminaria (c) Dictyota (d) All of these

68. How many of the following algae belong to the category of red algae?

 Polysiphonia, Gelidium, Laminaria, Spirogyra, Porphyra, Fucus, Chlamydomonas

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

69. Members of phaeophyceae are

(a) Ectocarpus, dictyota, fucus and sargassum

(b) Ectocarpus, dictyota, fucus and porphyra

(c) Chlamydomonas, volvox, ulothrix

(d) Gracilaria and gelidium

70. Polysulphate esters are present in the cell wall of

(a) Ectocarpus and dictyota (b) Gelidium and gracilaria

(c) Ectocarpus and sargassum (d) Spirogyra and chara

71. Pear-shaped gametes are found in

(a) Ectocarpus, dictyota and fucus (b) Ulothrix, spirogyra, and ectocarpus

(c) Ectocarpus, gelidium and gracilaria (d) None of these

72. The complex post-fertilization events are seen in

(a) Chlorella and spirullina (b) Gracilaria and porphyra

(c) Volvox and ulothrix (d) All of these

Bryophytes

73. Organisms referred to as amphibians of plant kingdom are

(a) Pteridophytes (b) Bryophytes (c) Angiosperms (d) Gymnosperms

74. Bryophytes are found in

(a) Rocky places (b) Hilly areas

(c) Moist and shady places (d) Aquatic areas

75. Organisms that play an important role in plant succession on base rocks are

(a) Mosses (b) Pteridophytes (c) Protist (d) None of these

76. Bryophytes requires _______ for fertilization

(a) Nutrients (b) Water (c) Both (a) and (b) (d) None of these

77. Which of the following statement is incorrect with respect to bryophytes?

(a) The plant body is thallus like, more differentiated than algae and attached to substratum

by the help of rhizoids.

(b) The antherozoids are released in water for fertilization.

(c) Zygote formed undergoes meiotic cell division immediately.

(d) They have leaf like, stem like and root like structures.

78. The sporophyte of bryophytes develops after

(a) Reduction division of zygote (b) Multiplication in zygote

(c) Before the formation of zygote (d) None of these

79. Sporophyte of bryophytes is

I. Multicellular body

II. Parasite on gametophyte

III. Partially undergoes reduction division to form spores

IV. Derives the water from gametophytes

(a) II and III (b) III and IV (c) Only I (d) All of these

80. _______ forms gametophyte of bryophytes.

(a) Zygote (b) Sporophyte (c) Gametes (d) Spores

81. The organism having more differentiated plant body than algae is

(a) Protist (b) Mosses (c) Monera (d) None of these

82. The gametophyte possessing leaf like, root like and stem like structure is

(a) Gymnosperm (b) Chlorophyceae (c) Slime molds (d) Mosses

83. The male sex organ of bryophyte is called

(a) Antherozoids (b) Testes (c) Globule (d) None of these

84. The sex organ in bryophytes are

(a) Reduced to single celled stage (b) Multicellular

(c) Net cell developed (d) Formed in sporophyte stage

85. The main plant body of bryophyte is

(a) Haploid (b) Diploid (c) Polyploid (d) All of these

86. Female sex organ of bryophytes is

(a) Oval in shape (b) Irregular

(c) Flask shaped (d) Depends on the organism

87. Female sex organ of bryophyte is called

(a) Nucleus (b) Ovary (c) Oogonia (d) Archegonium

88. Archegonium contains _______ egg cells in bryophytes

(a) More than one (b) Two (c) Four (d) One

89. Division in zygote results in the formation of _______ in bryophytes

(a) Gametophyte (b) Sporophyte (c) Antherozoids (d) Archegonium

90. Gametophyte of bryophyte is

(a) Free living and sporophyte (b) Free living and autotrophic

(c) May be free living or autotropic (d) Always pressure

91. Peat used in transshipment is a product obtained by

(a) Liverworts (b) Phaeophyceae (c) Mosses (d) None of these

92. Organisms which first colonizes the base rocks is

(a) Mosses (b) Mycorrhiza (c) Lichens (d) Both (a) and (c)

93. Mosses are ecologically important because

I. The first organism to colonize base rocks.

II. It decompose rocks making suitable for the growth of higher plant.

III. It forms dense mats on soil.

IV. It reduces the impact of falling rain and soil erosion.

(a) Only I (b) Only II (c) III and IV (d) All of these

94. Peat which is long used as fuel is a product obtained from

(a) Gelidium (b) Species of sphagnum

(c) All mosses (d) All liverworts

95. Organisms participating as pioneers in ecological succession belongs to

(a) Lichens (b) Mosses (c) Liverworts (d) Both (a) and (b)

96. Liverworts are found in

(a) Moist shady places

(b) Banks of steams, marshy ground

(c) Damp soil, bard of trees and deep in the woods

(d) All of the above

97. The thallus of liverworts are

(a) Sexual multiplication of the formation of sex organs called gemmae.

(b) Dorsiventral and appressed to substrate.

(c) Found in xeric habitats.

(d) Diploid

98. Asexual reproduction in liverworts means

(a) Fragmentation of thalli

(b) Formation of specialized structure called gemmae

(c) Both (a) and (b)

(d) None of these

99. Gemmae in liverworts are formed during

(a) Sexual reproduction (b) Asexual reproduction

(c) Spore formation (d) Adverse conduction

100. Marchantia is

(a) An algae (b) Gymnosperm (c) Fern (d) Bryophyte

101. Sexual reproduction in liverworts takes place by

(a) Formation of sex organs always on the same thallus.

(b) Formation of male and female sex organs on different thallus.

(c) Sexual reproduction is absent.

(d) Male and female sex organs may be present on same or different thalli.

102. The sporophyte in liverworts

(a) Is the dominant and main phase of the plant body.

(b) Is differentiated into foot, seta and capsule.

(c) Parasite on the gametophyte

(d) Both (b) and (c)

103. Spore in bryophytes are formed

(a) On the gametophyte (b) On the sporophyte

(c) In the seta of sporophyte (d) In the capsule of sporophyte

104. The gametophyte of bryophyte develops from

(a) A haploid spore (b) A diploid spore (c) Zygote (d) None of these

105. Zygote of bryophyte

(a) Multiply and forms gametophyte

(b) Multiply and forms sporophyte

(c) Undergoes reduction division just after formation

(d) All are correct

106. The dominant stage of gametophyte of mosses consists of

(a) Protonema which develops from the lateral bud

(b) A leafy stage developing from a spore

(c) Both (a) and (b)

(d) A leafy stage developing from the secondary protonema

107. Protonema is found in

(a) Liverworts (b) Selaginella (c) Funaria (d) None

108. Which one is correct about protonema?

(a) It is a dominant stage mosses

(b) Develops from spore

(c) It is creeping, green, branched and frequently filamentous

(d) All are correct

109. Leafy stage in bryophytes

(a) Develops from secondary protonema.

(b) Consist of upright, slender axis and bears consist of alternately arranged leaves.

(c) Attached to the soil through unicellular and branched rhizoids.

(d) All of these

110. Sex organs in mosses develops on

(a) Secondary protonema (b) Leafy stage

(c) On capsule of sporophyte (d) None of these

111. Vegetative reproduction in mosses takes place by

(a) Fragmentation and budding in secondary protonema

(b) Binary fission

(c) Spore dispersal

(d) All of these

112. Sporophyte of mosses is more elaborated from

(a) Ferns (b) Pinus (c) Polytrichum (d) Marchantia

113. Spores in bryophytes are formed by

(a) Mitosis (b) Meiosis in gametophyte

(c) Mitosis in zygote (d) Meiosis in zygote

114. Elaborate mechanism of spore dispersal is found in

(a) Ferns (b) Mosses (c) Liverworts (d) None of these

115. Sphagnum belongs to

(a) Ferns (b) Liverworts (c) Mosses (d) None of these

116. The plants frequently grown as ornamentals and are used for medicinal purpose belong to

(a) Angiosperms (b) Pteridophytes (c) Algae (d) Some protist

117. The first terrestrial plants to posses vascular tissues are

(a) Gymnosperms (b) Bryophyte (c) Pteridophytes (d) All of these

118. The main plant body of pteridophytes is

(a) Gametophytes as well as sporophyte (b) Sporophyte

(c) None of these (d) Both (a) and (b)

119. The plant body of pteridophyte is

(a) Not well-developed

(b) Lacks vascular tissue

(c) Is thalloid

(d) Posses true root, leaves and stem

120. Pteridophytes have only

(a) Small microphyllous leaves

(b) Large macrophyllous leaves

(c) Both microphyllous as well as macrophyllous in some of the ferns

(d) All of the above

121. Which one is false about pteridophyte?

(a) They flourish well moist and shady condition

(b) They are found in cool damp and shady place

(c) The xylem posses vessels

(d) None of these

122. Prothallus is the gametophyte of

(a) Bryophytes (b) Algae (c) Pteridophyte (d) Gymnosperm

123. The gametophyte of pteridophyte grows in damp, moist and shady places because

(a) They are limited and restricted to a narrow geographical region.

(b) They need water for fertilization of gametes formed on the gametophyte.

(c) Water is required for gametogenesis.

(d) Egg cell swims in water to reach to the antheridia.

124. Gametophyte of pteridophyte

(a) Parasite on sporophyte (b) Not a free living stage

(c) Photosynthetical and free living (d) Is unicellular

125. Vascular plants which do not bear seeds is

(a) Angiosperms (b) Pteridophytes (c) Gymnosperms (d) None of these

126. Macrophylls leaves are characteristics of

(a) Mosses (b) Ferns (c) Funaria (d) None of these

127. Pteridophyte having microphylls is

(a) Ferns (b) Psilotum (c) Selaginella (d) All of these

128. The production of spores by the spore mother cells is the result of

(a) Mitosis (b) Meiosis

(c) Mitosis and meiosis both (d) Amitosis

129. The leaves bearing sporangia are called

(a) Sporophylls (b) Fronds (c) Tropophylls (d) Scaly leaves

130. Cones in pteridophytes are formed in

(a) Salvinia (b) Selaginella and lycopodium

(c) Dryopteris (d) Selaginella and Equisetum

131. Spores in pteridophytes give rise to

(a) Sporophyte (b) Parasite gametophyte

(c) Free living gametophyte (d) Free living sporophyte

132. Which of the following are correct about pteridophytes?

I. The sporophytes bear sporangia that are formed on the sporophylls.

II. They are frequently grown as ornamentals.

III. They are the first terrestrial plants to forms seeds.

IV. Vascular tissues are absent in pteridophytes.

V. some species flourish well in sandy soil conditions.

(a) V and IV (b) I, II and IV (c) III, IV and V (d) I and II

133. Sex organs in pteridophytes are formed on the

(a) Multicellular well-developed sporophyte.

(b) Multicellular main gametophyte phase of the plant.

(c) Photosynthetic, free living gametophyte.

(d) Parasite, gametophyte dependent on sporophyte.

134. The male and female sex organs of pteridophyte are called

(a) Globule and nucule respectively

(b) Antheridia and archegonia respectively

(c) Spermatangia and oogonia respectively

(d) Tests and ovary respectively

135. Zygote of pteridophyte

(a) Undergoes reduction division just often formation

(b) Produces multicellular gametophyte

(c) Produces multicellular sporophyte

(d) Remains dormant

136. Majority of the pteridophytes are

I. Homosporous and produce only one kind of spores.

II. Aquatic in nature.

III. Heterosporus and produce small and large spores.

IV. Restricted to narrow geographical zone because of specific requirement of water.

(a) I and II (b) II and III (c) III and IV (d) IV and I

137. Heterosporous pteridophytes are

(a) Dryopteris and pteris (b) Selaginella and lycopodium

(c) Selaginella and salvinia (d) Equisetum and Adiantum

138. Heterosporous plants are

(a) Plants producing one kind of spores.

(b) Plants producing large and small spores.

(c) Plants producing two type of spores which are similar in size.

(d) None of these

139. Megaspore germinate into

(a) Female gametophyte

(b) Gametophyte having both male and female sex organs

(c) Male gametophyte

(d) Male sporophyte

140. The female gametophytes are retained on the parent sporophyte in

(a) Homosporous species of pteridophytes

(b) Heterosporous species of pteridophytes

(c) Both are correct

(d) Both are incorrect

141. Process similar to seed habit considerably is observed in

(a) Homosporous species of pteridophytes

(b) Heterosporous species of pteridophyte

(c) All the members of pteridophytes

(d) Not seen in pteridophyte

142. Vascular plants, with seeds but no fruits are

(a) Bryophyte (b) Angiosperms (c) Gymnosperms (d) Pteridophytes

143. In heterosporous pteridophyte

(a) Zygote develops into young embryo in the female gametophyte.

(b) Zygote multiples and develop into sporophyte in the soil.

(c) All spores are similar

(d) None of these

144. Naked seed plants are

(a) Algae (b) Bryophyte (c) Angiosperms (d) Gymnosperms

145. Ovules are not enclosed by the ovaries in

(a) Pteridophytes (b) Angiosperms

(c) Gymnosperms (d) All of these

146. The tallest gymnosperms is

(a) Sequoia (red wood tree) (b) Pinus

(c) Cycas (d) Ginkgo

147. Coralloid roots having association with N2

 fixing bacteria are found in

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

148. In gymnosperms, the mycorrhizal association are found in

(a) Cycas (b) Pinus (c) Cedrus (d) All of these

149. Gymnosperms

(a) Are naked seeds plants (b) Have tap roots

(c) Are heterosporous (d) All of these

150. Which of the following are correct for gymnosperms?

I. Have adventitious root system.

II. The leaves in gymnosperms can withstand extreme temperature, humidity and wind.

III. Microspores are produced in microsporangia.

IV. They include medium or tall sized trees and shrubs.

(a) I and III (b) I, II and II (c) II, III and IV (d) I and IV

151. In cycas

(a) The stems are unbranched.

(b) The pinnately compound leaves persist for years.

(c) Have symbiotic association with n2

 fixing cynobacteria.

(d) All are correct.

152. Which of the following statements are correct for conifers?

I. Needle like leaves to reduce surface area.

II. Thick cuticle on leaves.

III. Sunken stomata to reduce water loss.

IV. The main plant body is gametophyte.

(a) II and III (b) IV only (c) I only (d) II, I and III

153. Which of the following are correct for gymnosperms?

I. They are heterosporous.

II. They are the first vascular plants.

III. Posses fruits

IV. Requires water for fertilization.

(a) I (b) I and II (c) II and III (d) I, II, III and IV

154. Which of the following sequence is correct?

(a) Strobili–Sporophylls Sporangia Spores

(b) Strobili–Sporangia Sporophylls Spores

(c) Sporophylls–Strobili Sporangia Spores

(d) Spores–Sporangia Strobili Cones

155. Male gametophyte which is highly reduced and confined to only limited numbers of cells is

called

(a) Antherozoid (b) Spermatozoid

(c) Pollen grain (d) All of these

156. Male and female cones are formed on the same tree of

(a) Cycas (b) Pinus (c) Both (a) and (b) (d) None of these

157. In gymnosperms

(a) Pollen grains germinate inside the ovary.

(b) The development of pollen grain takes place within the microsporangia.

(c) The cones barring megasporophylls are called male cones or male strobili.

(d) All are correct

158. Megaspore mother cell

(a) Develops from one of the cell of nucleus (b) Forms four megaspore after meiosis

(c) Formed in the megasporangium (d) All of these

159. The female gametophyte of gymnosperms

(a) Bear two archegonia (b) Retained within megasporangium

(c) Is unicellular (d) Both (a) and (b)

160. In gymnosperms, the male and female gametophyte

I. Do not have independent free living existence.

II. Remain within the sporangia retained on parent sporophyte.

III. May be born on same or different tree.

IV. Perform meiosis to produce gametes.

(a) I and II (b) II and III (c) III and IV (d) All

161. Pollination in gymnosperms takes place by

(a) Wind (b) Water

(c) Only physical factors like wind and water (d) All of these

162. Angiosperms include

(a) Vascular plants with naked seeds

(b) Vascular plants with covered seeds

(c) Few vascular plants with naked seeds

(d) Few vascular plants with covered seeds

163. Microscopic angiosperm is

(a) Sequoia (b) Eucalyptus

(c) Wolfia (d) Never microscopic

164. Angiosperms include

(a) Massive woody trees

(b) Shrubs and herbs

(c) Ranges from tiny microscopic plants to tall trees

(d) None of these

165. The height of eucalyptus tree is approximately

(a) 100 m (b) 1000 m (c) 10 m (d) 10‒20 m

166. Male sex organ in angiosperm is located in

(a) Male cone (b) Sporophyll (c) Flower (d) Carpel

167. Male sex organ in flower is

(a) Antheridia (b) Stamens (c) Spermatangia (d) Nucule

168. The female sex organ of flower is called

(a) Archegonia (b) Nucule (c) Oogonia (d) Pistil

169. The pistil in flower encloses

(a) One ovule (b) Only two ovules

(c) Three ovules (d) One too many ovules

170. Embryo sacs in angiosperms is

(a) Male gametophyte (b) Well-developed female gametophyte

(c) Highly reduced female gametophyte (d) Well-developed female sporophyte

171. Embryo sac of angiosperms posses

(a) Egg apparatus (b) Synergids (c) Antipodal (d) All of these

172. Egg apparatus of angiosperms contain

(a) One egg cell (b) Two synergids

(c) Both (a) and (b) (d) Two antipodals

173. The cells of embryo sac are

(a) Diploid (b) Haploid

(c) May be haploid or diploid (d) None of these

174. Diploid secondary nucleus in embryo sac of angiosperm is the product of

(a) Fusion of two synergid cells (b) Fusion of two antipodal cells

(c) Fusion of two polar nuclei (d) Fusion of egg cell and antipodal cell

175. The pistil in angiosperm is made up of

(a) Ovary (b) Stigma (c) Style (d) All of these

176. Ovary is the characteristic feature of

(a) Gymnosperms (b) Angiosperm (c) Pteridophyte (d) All of these

177. In double fertilization

(a) Male gamete fuses with egg cell to form zygote.

(b) Male gamete fuses with diploid endosperm nucleus to produce triploid primary endosperm

nucleus.

(c) Both (a) and (b)

(d) Fertilization takes place in two plants simultaneously.

178. Synergids and antipodals

(a) Develop into new plants (b) Are diploid

(c) Degenerate after fertilization (d) Are produced in male gametophyte

179. Fruit formation in angiosperm takes place by

(a) Development of ovule after fertilization

(b) Development of ovary after fertilization

(c) Axillary bud

(d) Terminal bud

180. Double fertilization is the unique characterisitic feature of

(a) Angiosperm (b) Gymnosperm

(c) Pteridophyte (d) Dicotyledons only

181. Zygote after multiplication in angiosperm develop in

(a) Endosperm (n) (b) Embryo (n)

(c) Endosperm (d) Embryo (2n)

182. Endosperm in angiosperm is formed

(a) Before fertilization (b) After fertilization

(c) Vary from species to species (d) All of these

183. Meiosis in plants can take place in

(a) Only haploid species

(b) Only diploid species

(c) Both in haploid as well as diploid species

(d) None of these

184. The haploid plant body produces _______ and is referred to as _______

(a) spores, sporophyte (b) gametes, gametophyte

(c) zoospores, zoosporangia (d) conidia, conidiophores

185. Haploid spore divides by _______ to form haploid plant body

(a) Mitosis (b) Meiosis (c) Amitosis (d) Any of these

186. In haplontic life cycle, the sporophytic generation is seen by

(a) Well-developed multicellular sporophyte

(b) Zygote

(b) Embryo

(d) None of these

187. In haplontic life cycle, the zygote divides by

(a) Mitosis (b) Meiosis (c) Any of these (d) Amitosis

188. Volvox, spirogyra chlamydomonas come under

(a) Haplodiplontic life cycle organism (b) Diplohaplontic organism

(c) Haplontic life cycle (d) Diplontic life cycle

189. Sporophyte, dominant, photosynthetic and independent phase of plant represents

(a) Haplontic (b) Diplontic

(c) Diplohaplontic life cycle (d) Both (b) and (c)

190. Diplontic life cycle is seen in

(a) Angiosperms and gymnosperms (b) Spermatophytes

(c) Both (a) and (b) (d) Pteridophyte

191. When both the phases of life cycle are multicellular, i.e., haploid and diploid phases are more

than one celled

(a) Life cycles are called haplodiplontic

(b) They differ in the dominant phase

(c) They are in pteridophytes and bryophytes

(d) All of these

192. In bryophytes

(a) Dominant, diploid, multicellular sporophyte alters dominant with multicellular

gametophytes.

(b) Dominant haploid multicellular gametophyte alters with diploid sporophyte.

(c) The plant body shows diplontic life cycle.

(d) The plant body shows haplontic life cycle.

193. Most of the alga show

(a) Haplontic life cycle (b) Diplontic life cycle

(c) Haplodiplontic life cycle (d) None of these

194. Algae showing haplodiplontic life cycle are

(a) Spirullina and spirogyra (b) Ectocarpus and polysiphonia

(c) Kelps (d) Both (b) and (c)

195. Which alga shows diplontic life cycle?

(a) Chara (b) Fucus (c) Ectocarpus (d) Polysiphonia

196. How many organisms show haplodiplontic life cycle?

 Sphagnum, Volvox, Ulothrix, Marchantia, Polytrichum, Selaginella, Pinus, Cedrus,

Ectocarpus, Polysiphonia

(a) 8 (b) 6 (c) 7 (d) 9

197. How many organisms show diplontic life cycle?

 Selaginella, Equisetum, Cycas, Cedrus, Ectocarpus, Fucus, Sequoia

(a) 7 (b) 5 (c) 4 (d) 6

198. Which of the organisms show haplontic life cycle?

(a) Chlamydomonas, volvox (b) Ectocarpus, polysiphonia

(c) Fucus (d) All of these

199. In diplontic life cycle gametogenesis takes place by

(a) Mitosis (b) Meiosis

(c) Both (a) and (b) (d) Neither mitosis nor meiosis

200. Gametogenesis in organism showing haplontic life cycle takes place in

(a) Mitosis (b) Meiosis (c) Both (a) and (b) (d) Amitosis

Answer Keys -

Practice Questions

1. (d) 2. (c) 3. (b) 4. (b) 5. (d) 6. (a) 7. (c) 8. (b) 9. (c) 10. (d)

11. (c) 12. (d) 13. (c) 14. (d) 15. (b) 16. (b) 17. (c) 18. (a) 19. (a) 20. (c)

21. (d) 22. (d) 23. (b) 24. (c) 25. (c) 26. (c) 27. (a) 28. (c) 29. (b) 30. (a)

31. (b) 32. (c) 33. (d) 34. (d) 35. (b) 36. (c) 37. (b) 38. (c) 39. (b) 40. (d)

41. (b) 42. (b) 43. (d) 44. (d) 45. (b) 46. (c) 47. (b) 48. (c) 49. (b) 50. (c)

51. (c) 52. (d) 53. (b) 54. (c) 55. (c) 56. (c) 57. (c) 58. (a) 59. (b) 60. (c)

61. (d) 62. (c) 63. (d) 64. (a) 65. (a) 66. (d) 67. (a) 68. (b) 69. (a) 70. (b)

71. (a) 72. (b) 73. (b) 74. (c) 75. (a) 76. (b) 77. (c) 78. (b) 79. (d) 80. (d)

81. (b) 82. (d) 83. (a) 84. (b) 85. (a) 86. (c) 87. (d) 88. (d) 89. (b) 90. (b)

91. (c) 92. (d) 93. (d) 94. (b) 95. (d) 96. (d) 97. (b) 98. (c) 99. (b) 100. (d)

101. (d) 102. (d) 103. (d) 104. (a) 105. (c) 106. (d) 107. (c) 108. (d) 109. (a) 110. (b)

111. (a) 112. (d) 113. (d) 114. (b) 115. (c) 116. (b) 117. (c) 118. (b) 119. (d) 120. (c)

121. (c) 122. (c) 123. (b) 124. (c) 125. (b) 126. (b) 127. (c) 128. (b) 129. (a) 130. (d)

131. (c) 132. (b) 133. (c) 134. (c) 135. (c) 136. (d) 137. (c) 138. (b) 139. (a) 140. (b)

141. (b) 142. (c) 143. (a) 144. (d) 145. (c) 146. (a) 147. (d) 148. (b) 149. (d) 150. (c)

151. (d) 152. (d) 153. (a) 154. (a) 155. (c) 156. (b) 157. (b) 158. (d) 159. (d) 160. (d)

161. (a) 162. (b) 163. (c) 164. (c) 165. (a) 166. (c) 167. (b) 168. (d) 169. (d) 170. (c)

171. (d) 172. (c) 173. (b) 174. (c) 175. (d) 176. (b) 177. (c) 178. (c) 179. (b) 180. (a)

181. (d) 182. (b) 183. (b) 184. (b) 185. (a) 186. (b) 187. (a) 188. (c) 189. (b) 190. (c)

191. (d) 192. (b) 193. (a) 194. (d) 195. (b) 196. (b) 197. (c) 198. (a) 199. (b) 200. (a)

201. (a) 202. (c) 203. (c) 204. (d) 205. (a) 206. (b) 207. (b) 208. (c) 209. (a)