NCERT CLASS 11 | TOPIC : PLANT KINGDOM-BRYOPHYTES | QB-3 | NEET BIOLOGY ONLINE TEST

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NCERT CLASS 11 | TOPIC : PLANT KINGDOM-BRYOPHYTES | QB-3 | NEET BIOLOGY ONLINE TEST

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It contains 43 important questions. Choose the most correct answer. Then check your answer. Try again if there are errors. Regards : kalvisolai.net

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1 ➤ 73. Organisms referred to as amphibians of plant kingdom are

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

2 ➤ 74. Bryophytes are found in

(a) Rocky places (b) Hilly areas (c) Moist and shady places (d) Aquatic areas

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

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

4 ➤ 76. Bryophytes requires _______ for fertilization

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

5 ➤ 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.

6 ➤ 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

7 ➤ 79. Sporophyte of bryophytes is

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I. Multicellular body

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II. Parasite on gametophyte

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III. Partially undergoes reduction division to form spores

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IV. Derives the water from gametophytes

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

8 ➤ 80. _______ forms gametophyte of bryophytes.

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

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

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

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

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

11 ➤ 83. The male sex organ of bryophyte is called

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

12 ➤ 84. The sex organ in bryophytes are

(a) Reduced to single celled stage (b) Multicellular (c) Net cell developed (d) Formed in sporophyte stage

13 ➤ 85. The main plant body of bryophyte is

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

14 ➤ 86. Female sex organ of bryophytes is

(a) Oval in shape (b) Irregular (c) Flask shaped (d) Depends on the organism

15 ➤ 87. Female sex organ of bryophyte is called

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

16 ➤ 88. Archegonium contains _______ egg cells in bryophytes

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

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

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

18 ➤ 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

19 ➤ 91. Peat used in transshipment is a product obtained by

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

20 ➤ 92. Organisms which first colonizes the base rocks is

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

21 ➤ 93. Mosses are ecologically important because

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I. The first organism to colonize base rocks.

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

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III. It forms dense mats on soil.

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

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

22 ➤ 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

23 ➤ 95. Organisms participating as pioneers in ecological succession belongs to

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

24 ➤ 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

25 ➤ 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

26 ➤ 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

27 ➤ 99. Gemmae in liverworts are formed during

(a) Sexual reproduction (b) Asexual reproduction (c) Spore formation (d) Adverse conduction

28 ➤ 100. Marchantia is

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

29 ➤ 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.

30 ➤ 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)

31 ➤ 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

32 ➤ 104. The gametophyte of bryophyte develops from

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

33 ➤ 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

34 ➤ 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

35 ➤ 107. Protonema is found in

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

36 ➤ 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

37 ➤ 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

38 ➤ 110. Sex organs in mosses develops on

(a) Secondary protonema (b) Leafy stage (c) On capsule of sporophyte (d) None of these

39 ➤ 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

40 ➤ 112. Sporophyte of mosses is more elaborated from

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

41 ➤ 113. Spores in bryophytes are formed by

(a) Mitosis (b) Meiosis in gametophyte (c) Mitosis in zygote (d) Meiosis in zygote

42 ➤ 114. Elaborate mechanism of spore dispersal is found in

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

43 ➤ 115. Sphagnum belongs to

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

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