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Reproduction in Organisms - 1mark

12th Standard EM

    Reg.No. :
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Biology

Choose the correct answer.
Time : 01:00:00 Hrs
Total Marks : 100

    Part-A

    75 x 1 = 75
  1. In which type of parthenogenesis are only males produced?

    (a)

    Arrhenotoky

    (b)

    Thelytoky

    (c)

    Amphitoky

    (d)

    Both a and b

  2. Animals giving birth to young ones:

    (a)

    Oviparous

    (b)

    Oviviviparous

    (c)

    Viviparous

    (d)

    Both a and b

  3. The mode of reproduction in bacteria is by

    (a)

    Formation of gametes

    (b)

    Endospore formation

    (c)

    Conjugation

    (d)

    Zoospore formation

  4. In which mode of reproduction variations are seen

    (a)

    Asexual

    (b)

    Parthenogenesis

    (c)

    Sexual

    (d)

    Both a and b

  5. Assertion and reasoning questions:
    In each of the following questions there are two statements. One is assertion (A) and other is reasoning (R). Mark the correct answer as
    Assertion: In bee society, all the members are diploid except drones.
    Reason: Drones are produced by parthenogenesis

    (a)

    If both A and R are true and R is correct explanation for A

    (b)

    If both A and R are true but R is not the correct explanation for A

    (c)

    If A is true but R is false

    (d)

    If both A and R are false

  6. Assertion and reasoning questions:
    In each of the following questions there are two statements. One is assertion (A) and other is reasoning (R). Mark the correct answer as
    Assertion: Offsprings produced by asexual reproduction are genetically identical to the parent.
    Reason: Asexual reproduction involves only mitosis and no meiosis

    (a)

    both A and R are true and R is correct explanation for A

    (b)

    If both A and R are true but R is not the correct explanation for A

    (c)

    If A is true but R is false

    (d)

    If both A and R are false.

  7. Assertion and reasoning questions:
    In each of the following questions there are two statements. One is assertion (A) and other is reasoning (R). Mark the correct answer as
    Assertion: Viviparous animals give better protection to their off springs.
    Reason: They lay their eggs in the safe places of the environment

    (a)

    If both A and R are true and R is correct explanation for A

    (b)

    If both A and R are true but R is not the correct explanation for A

    (c)

    If A is true but R is false

    (d)

    If both A and R are false

  8. Transverse Binary fission is seen is ______

    (a)

    Vorticella

    (b)

    Paramecium

    (c)

    Plasmodium

    (d)

    Euglena

  9. In, dinoflagellates the types of asexual reproduction seen is _____

    (a)

    Simple Binary fission

    (b)

    Multiple fission

    (c)

    Oblique binary fission

    (d)

    Longitudinal binary fission

  10. Multiple fission is seen in _______

    (a)

    Vorticella and ceratium

    (b)

    Plasmodium and paramecium

    (c)

    Amoeba and cyanobacteria

    (d)

    Vorticella and plasmodium

  11. During favourable conditions ______ shows multiple fission.

    (a)

    Plasmodium

    (b)

    Amoeba

    (c)

    Planaria

    (d)

    Euglena

  12. Plasmotomy is observed in ________

    (a)

    Giant Amoeba

    (b)

    Hydra

    (c)

    Plasmodium

    (d)

    Ceratium

  13. Giant Amoeba refers to ______

    (a)

    Opalina

    (b)

    Pelomyxa

    (c)

    Ceratium

    (d)

    Trichonympha

  14. ______ is seen in Aurelia.

    (a)

    Binary fission

    (b)

    Regeneration

    (c)

    Sporulation

    (d)

    Strobilation

  15. Budding is seen in ______

    (a)

    Noctiluca

    (b)

    Amoeba

    (c)

    Nostoc

    (d)

    Planaria

  16. Gemmules are ______

    (a)

    Exogenous growth

    (b)

    Daughter nuclei

    (c)

    Internal buds

    (d)

    Regenerated parts

  17. Regeneration is not seen in ______

    (a)

    Starfish

    (b)

    Lizard

    (c)

    Hydra

    (d)

    Sea Anemone

  18. Autogamy is seen in ______

    (a)

    Paramecium

    (b)

    Plasmodium

    (c)

    Hydra

    (d)

    Amoeba

  19. If the entire organism behaves as a gamete the Phenomenon is called _____

    (a)

    Autogamy

    (b)

    Syngamy

    (c)

    Morphallaxis

    (d)

    Hologamy

  20. Conjugation is a type of ______

    (a)

    Asexual reproduction

    (b)

    Autogamy

    (c)

    External fertilization

    (d)

    Sexual reproduction

  21. Conjugation is seen in _____

    (a)

    Vorticella

    (b)

    Amoeba

    (c)

    Reptiles

    (d)

    Actinosphaerium

  22. Paedogamy is the sexual union of _____

    (a)

    morphologically different gametes

    (b)

    physiologically different gametes

    (c)

    young individuals immediately after the formation from parents

    (d)

    dissimilar gametes

  23. ______ is a seasonal breeder.

    (a)

    Poultry

    (b)

    Honey bees

    (c)

    Deers

    (d)

    Rabbit

  24. Technique used for cultivation of sponges is based on ______

    (a)

    Multiple fission

    (b)

    Parthenogenesis

    (c)

    Regeneration

    (d)

    Autogamy

  25. External fertilization is seen is ______

    (a)

    Mammals and birds

    (b)

    Reptiles and sponges

    (c)

    Fishes and birds

    (d)

    Sponges and amphibians

  26. Isogamy is observed in ______

    (a)

    Monocystis

    (b)

    Mammals

    (c)

    Trichonympha

    (d)

    Reptiles

  27. Human beings exhibit ______

    (a)

    Hologamy

    (b)

    Exogamy

    (c)

    Isogamy

    (d)

    Paedogammy

  28. Paedogenesis is seen in ______

    (a)

    Gall fly

    (b)

    Honey bees

    (c)

    Aphis

    (d)

    Hydra

  29. Ovovivipary is seen in ______

    (a)

    Solenobia

    (b)

    Humans

    (c)

    Birds

    (d)

    Shark

  30. Which statement is incorrect regarding the type of binary fission?

    (a)

    Transverse binary fission in seen in Planaria.

    (b)

    Longitudinal binary fission in seen in Euglena

    (c)

    Oblique binary fission in seen in flagellates

    (d)

    Simple binary fission in seen in Amoeba

  31. All of the following are methods of asexual reproduction except

    (a)

    Regeneration

    (b)

    Conjugation

    (c)

    Sporulation

    (d)

    Fragmentation

  32. This is a method of sexual reproduction in which individuals of the same species temporarily write and exchange certain. amount of nuclear material and then get separated.

    (a)

    Syngamy

    (b)

    Conjugation

    (c)

    Parthenogenesis

    (d)

    Paedogenesis

  33. All the following animals are continuous breeders, except.

    (a)

    Frogs

    (b)

    Honey bees

    (c)

    Poultry

    (d)

    Rabbit

  34. In honey bees, the mode of reproduction is

    (a)

    Sexual and Asexual

    (b)

    Sexual and Parthenogenesis

    (c)

    Asexual and Parthenogenesis

    (d)

    All the above

  35. In honey bees, the unfertilized egg produces

    (a)

    Queen bee

    (b)

    Worker bee

    (c)

    Drones

    (d)

    Worker bee and male honey bee

  36. This is the sexual union of young individuals produced immediately after the division of the adult parent cell by mitosis.

    (a)

    Paedogamy

    (b)

    Hologamy

    (c)

    Merogamy

    (d)

    Anisogamy

  37. Paramecium and planaria show _____ types of division during asexual reproduction

    (a)

    Transverse binary fission

    (b)

    Longitudinal binary fission

    (c)

    Simple binary fission

    (d)

    Oblique binary fission

  38. Special type of transverse division seen in Aurelia is called ______

    (a)

    plasmotomy

    (b)

    strobilation

    (c)

    pedal laceration

    (d)

    sporulation

  39. Fragmentation in sea Anemone is also known as _______

    (a)

    morphallaxis

    (b)

    pedal laceration

    (c)

    archaeocytes

    (d)

    epimorphosis

  40. Endogenous buds are seen in ______

    (a)

    Trichonympha

    (b)

    Hydra

    (c)

    Actinosphaerium

    (d)

    Noctiluca

  41. The gravid proglottids are cut off from the parent body in ______

    (a)

    Tapeworm (Taenia solium)

    (b)

    Liver fluke

    (c)

    Planaria

    (d)

    Blood fluke

  42. Regeneration was first studied by _______

    (a)

    A.G. Tansley

    (b)

    Charles Bonnet

    (c)

    Abraham Trembley

    (d)

    Walter Gilbert

  43. Regeneration was first studied in _______

    (a)

    star fish

    (b)

    Planaria

    (c)

    Hydra

    (d)

    Aurelia

  44. Starfish shown ______ type of regeneration.

    (a)

    epimorphosis - reparative

    (b)

    epimorphosis (restorative)

    (c)

    morphallaxis

    (d)

    paedogenesis

  45. The sexual union of young individuals produced immediately after the division of the parent Cellis called _____

    (a)

    Paedogamy

    (b)

    hologamy

    (c)

    merogamy

    (d)

    isogamy

  46. ______ refers to the fusion of small sized, morphologically different gametes.

    (a)

    Isogamy

    (b)

    Hologamy

    (c)

    Paedogamy

    (d)

    Merogamy

  47. Fusion of morphologically and physiologically similar gametes is called ______

    (a)

    anisogamy

    (b)

    hologamy

    (c)

    isogamy

    (d)

    merogamy

  48. Exchange of certain amount of nuclear material during sexual reproduction is called _______

    (a)

    strobilation

    (b)

    conjugation

    (c)

    pedal laceration

    (d)

    sporulation

  49. Paedogenetic parthenogenesis is seen in ______

    (a)

    planula larvae of enidarians

    (b)

    Cydippid larvae of pleurobranchia

    (c)

    Redia larvae ofliver fluke

    (d)

    Trochophore larvae of Annelids

  50. In _____ types of natural parthenogenesis only females are produced.

    (a)

    Thelytoky

    (b)

    Arrhenotoky

    (c)

    Amphitoky

    (d)

    Arrhenotoky

  51. ______ is a process by which the proglottids are cut off from the tapeworm.

    (a)

    Apolysis

    (b)

    pedal laceration

    (c)

    budding

    (d)

    plasmotomy

  52. In _____ types of parthenogenesis egg can develop into individuals of any sex.

    (a)

    Thelytoky

    (b)

    paedogenesis

    (c)

    Amphitoky

    (d)

    Arrhenotoky


  53. Identify the correct option to label the diagram
    1 - Archaeocytes
    2 - Inner membrane
    3 - Micropyle
    4 - Outer membrane
    5 - Monaxonspicules

    (a)

    1-A 2-D 3-B 4-C 5-E

    (b)

    1-C 2-B 3-A 4-E 5-D

    (c)

    1-D 2-E 3-B 4-C 5-A

    (d)

    1-A 2-E 3-D 4-B 5-C


  54. Identify the correct option to label the diagram
    1 - Bud forming
    2 - Osculum
    3 - Bud growing
    4 - Daughter individual
    5 - Individual parent

    (a)

    1-A 2-D 3-B 4-C 5-E

    (b)

    1-B 2-D 3-C 4-E 5-A

    (c)

    1-D 2-E 3-B 4-C 5-A

    (d)

    1-A 2-E 3-D 4-B 5-C


  55. Identify the correct option to label the diagram Identify the structure
    1- Immature proglottids
    2 - Gravid proglottids
    3 - Scolex
    4 - Mature proglottids
    5 - Neck

    (a)

    1-C 2-E 3-A 4-D 5-B

    (b)

    1-B 2-D 3-C 4-E 5-A

    (c)

    1-D 2-E 3-B 4-C 5-A

    (d)

    1-A 2-E 3-D 4-B 5-C

  56. "Nothing lives forever, but life continues". What does it mean?

    (a)

    Older dies but new ones are produced by reproduction

    (b)

    Nothing can produce without death

    (c)

    Death has nothing to do with the continuation of life

    (d)

    Parthenogenesis is must for sexual reproduction

  57. A few statements describing certain features of reproduction are given below. Select the options that are true for both sexual and asexual reproduction from the options given:
    (i) Gametic fusion takes place
    (ii) Transfer of genetic material takes place
    (iii) Reduction division takes place
    (iv) Progeny have some resemblance, with parents

    (a)

    i and ii

    (b)

    ii and iii

    (c)

    ii and iv

    (d)

    i and ii

  58. A few statements with regard to sexual reproduction are given below:
    i. Sexual reproduction does not always require two individuals
    ii. Sexual reproduction generally involves gametic fusion
    iii. Meiosis never occurs during sexual reproduction
    iv. External fertilization is a rule during sexual reproduction
    Choose the correct statements from the options below:

    (a)

    i and iv

    (b)

    i and ii

    (c)

    ii and iii

    (d)

    i and iv

  59. Given below, are a few statements related to external fertilization. Choose the correct statements:
    i. The male and female gametes are formed and released simultaneously
    ii. Only a few gametes are released into the medium
    iii. Water is the medium in a majority of organism exhibiting external fertilization
    iv. Offspring formed as a result of external fertilization have better chance of survival than those formed inside the organism

    (a)

    iii and iv

    (b)

    i and iii

    (c)

    ii and iv

    (d)

    i and iv

  60. Which of the following statements, support the view that elaborate sexual reproductive process develops much later in the organic evolution?
    i. Lower groups of organisms have simpler body design
    ii. Asexual reproduction is common- in lower groups
    iii. Asexual reproduction is common in higher groups of organisms
    iv. The high incidence of sexual reproduction is in angiosperms and vertebrates.

    (a)

    i, ii and iii

    (b)

    i, iii and iv

    (c)

    i, ii and iv

    (d)

    ii, iii and iv

  61. Transverse binary fission is noticed in _________________

    (a)

    Amoeba

    (b)

    Planaria

    (c)

    Ceratium

    (d)

    Vorticella

  62. Multiple fission occurring in the oocyte of Plasmodium is called ______________

    (a)

    Schizogony

    (b)

    Merogamy

    (c)

    Syngamy

    (d)

    Sporogony

  63. Taenia solium _________________ requires as a secondary host to complete its life cycle.

    (a)

    Mosquito

    (b)

    pig

    (c)

    dog

    (d)

    human

  64. Which type of parthenogenesis only females are produced?

    (a)

    Arrhenotoky

    (b)

    Amphitoky

    (c)

    Thelytoky

    (d)

    Both (a) and (b)

  65. Which among the following animal is not a continuous breeder?

    (a)

    Hen

    (b)

    Rabbit

    (c)

    Honey bees

    (d)

    Frogs

  66. Identify the incorrect statement regarding parthenogenesis.

    (a)

    Development of sperm without fertilization.

    (b)

    It was first discovered by Charles Bonnet.

    (c)

    Honey bees exhibit incomplete parthenogenesis

    (d)

    Amphitoky is a type of natural parthenogenesis.

  67. Identify the wrong statement.

    (a)

    Oviparous animals lays eggs.

    (b)

    Viviparous animals give rise to young ones

    (c)

    Ovoviviparous animals lays eggs and then hatch it to young ones.

    (d)

    Amphibians are oviparous animals

  68. Assertion (A): Organisms show three phases in their life cycle.
    Reason (R): Juvenile phase is a degenerative phase.

    (a)

    A is correct R but is incorrect

    (b)

    Both A and R are correct

    (c)

    R is the correct explanation for A

    (d)

    A is not correct but R is correct

  69. Identify the mismatched pair.

    (a)

    Paedogenesis - Liver fluke

    (b)

    Strobilation - Aurelia

    (c)

    Amphitoky - Honeybee

    (d)

    Encystment - Amoeba

  70. Identify the proper sequence.

    (a)

    juvenile phase, senescent phase, vegetative phase

    (b)

    juvenile phase, maturity phase, senescent phase

    (c)

    vegetative phase, maturity phase, juvenile phase

    (d)

    senescent phase, juvenile phase, vegetative phase

  71. Which of the following types of asexual reproduction is noticed in Amoeba?

    (a)

    Sporulation

    (b)

    Encystment

    (c)

    Binary fission

    (d)

    All the above

  72. Pick out the organism whose fertilization occurs internally

    (a)

    reptiles

    (b)

    sponges

    (c)

    pisces

    (d)

    amphibians

  73. Assertion (A): Asexual reproduction is called blastogenic reproduction.
    Reason (R): It is accomplished by mitotic and meiotic divisions.

    (a)

    A and R are correct

    (b)

    A is correct but R is incorrect

    (c)

    Both A and R are incorrect

    (d)

    R is the correct explanation for A

  74. Egg laying hen is an example for _____________

    (a)

    Thelytoky

    (b)

    Ovovivipary

    (c)

    Vivipary

    (d)

    Ovipary

  75. Assertion (A): Syngamy refers to the fusion of two haploid gametes.
    Reason (R): Syngamy leads to zygote formation.

    (a)

    A and R are correct.

    (b)

    A and R are incorrect.

    (c)

    R is not the right explanation for A

    (d)

    A is correct but R is incorrect

  76. 4 x 1 = 4
  77. The process by which gravid proglottids of tapeworm gets cut off is called ____________

    ()

    apolysis

  78. The concept of regeneration was first noticed in _____________

    ()

    Hydra

  79. The ploidy of males produced by arrhenotoky parthenogenesis is _______________

    ()

    haploid

  80. Human beings are an example for ___________ breeders.

    ()

    continuous

  81. 20 x 1 = 20
  82. Strobilation

  83. (1)

    Plasmotomy is noticed in giant amoeba.

  84. Regeneration

  85. (2)

    Sponges asexually reproduce by gemmule formation

  86. Conjugation

  87. (3)

    Hydra

  88. Endogenous budding

  89. (4)

    Human beings

  90. Archaeocytes

  91. (5)

    Monocystis

  92. Buds

  93. (6)

    Amoeba

  94. Pseudopodiospores

  95. (7)

    Noctiluca

  96. Parthenogenesis

  97. (8)

    Taenia solium

  98. Endogenous budding

  99. (9)

    Morphallaxis is a character of Hydra

  100. Parthenogenesis

  101. (10)

    Hydra

  102. Fragmentation

  103. (11)

    Starfish

  104. Regeneration

  105. (12)

    Trichonympha

  106. Regeneration is the regrowth of injured region.

  107. (13)

    Gemmules

  108. Regular cutoff of mature proglottids.

  109. (14)

    Noctiluca

  110. Hard, spherical structures containing food-laden archaeocytes

  111. (15)

    Aurelia

  112. Division of multinucleate parent into many multinucleate individuals.

  113. (16)

    Taenia solium needs two hosts for its life cycle

  114. Autogamy

  115. (17)

    Bacteria

  116. Exogamy

  117. (18)

    Paramecium

  118. Hologamy

  119. (19)

    Gall fly

  120. Isogamy

  121. (20)

    Honey bees

    1 x 1 = 1
  122. (i) Budding is seen in leucosolenia
    (ii) In paramecium multiple fission occurs
    (iii) In autogamy, the male and female gametes are produced by the same cell.
    (iv) Internal fertilization occurs in frogs
    (a) i and iii
    (b) i and iv
    (c) ii and iii
    (d) ii and iv

    ()

    i and iii

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