NEET Biology Sexual Reproduction in Flowering Plant / फूलों के पौधों में यौन प्रजनन Question Bank

done Assertion and Reason Total Questions - 26

• question_answer1)

  Read the assertion and reason carefully:

  Assertion            :     Angiospermic flowers perform the function of sexual reproduction.

  Reason              :     The male and female reproductive structures are found in the flowers.      [AIIMS 1994]

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
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• question_answer2)

  Read the assertion and reason carefully:

  Assertion            :     Endosperm is a nutritive tissue and it is triploid.

  Reason              :     Endosperm is formed by fusion of secondary nucleus to second male gamete. It is used by developing embryo.                                                                     [AIIMS 1998]

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
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• question_answer3)

  Read the assertion and reason carefully:

  Assertion            :     In hemianatropous ovule, the funicle lies parellel to body of ovule

  Reason              :     Here, body of ovule has rotated by\[90{}^\circ \].       [AIIMS 1999]

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
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• question_answer4)

  Read the assertion and reason carefully:

  Assertion            :     Many plants are propagated vegetatively even though they bear seeds.

  Reason              :     Potatos multiply by tubers, apple by cutting.    [AIIMS 2001]

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer5)

  Read the assertion and reason carefully:

  Assertion            :     The two cotyledons in seed are embryonic leaves.

  Reason              :     The embryo contains radicle and plumule.                    [AIIMS 2002]

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer6)

  Read the assertion and reason carefully:

  Assertion            :     The megaspore mother cell divide mitotically to produce four spores.

  Reason              :     Megaspore mother cells are diploid and megaspore is haploid.     [AIIMS 2002]

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer7)

  Read the assertion and reason carefully:

  Assertion            :     The embryo which is capable to germinate should have well-developed radicle plumule and one or two cotyledons.

  Reason              :     In the Orobanchaceae and Orchidaceae the embryo never differentiates a true radicle, plumule and cotyledons, but can germinate.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer8)

  Read the assertion and reason carefully:

  Assertion            :     Chasmogamous flowers require pollinating agents.

  Reason              :     Cleistogamous flowers do not expose their sex organs.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer9)

  Read the assertion and reason carefully:

  Assertion            :     Nuclear endosperm is formed by subsequent nuclear division without wall formation.

  Reason              :     Coconut is an example of such endosperm, where the endosperm remains nuclear throughout the development of the fruit.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer10)

  Read the assertion and reason carefully:

  Assertion            :     Angiosperms form endosperm after fertilization and is diploid.

  Reason              :     In gymnosperms, endosperm is formed before fertilization and is haploid.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer11)

  Read the assertion and reason carefully:

  Assertion            :     Tapetum helps in the liberation of microspores from tetrad.

  Reason              :     Tapetum shows callose activity.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer12)

  Read the assertion and reason carefully:

  Assertion            :     The embryo sac is 7? celled, 7 ? nucleated structure.

  Reason              :     All cells are haploid.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer13)

  Read the assertion and reason carefully:

  Assertion            :     Ovary is surrounded by integument.

  Reason              :     Endothelium is a modified integument.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer14)

  Read the assertion and reason carefully:

  Assertion            :     Most common type of ovule is anatropous.

  Reason              :     Anatropous ovule is horse ? shoe shaped.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer15)

  Read the assertion and reason carefully:

  Assertion            :     Megaspore mother cell undergoes meiotic division.

  Reason              :     All four megaspores form female gametophyte.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer16)

  Read the assertion and reason carefully:

  Assertion            :     The chalazal cells of the embryo sac is central cell.

  Reason              :     They play nutritive role for embryo sac.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer17)

  Read the assertion and reason carefully:

  Assertion            :     The largest cell of the embryo sac is central cell.

  Reason              :     It consists of a fused nuclei.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer18)

  Read the assertion and reason carefully:

  Assertion            :     Autogamy is pollination between two flowers on the same plant.

  Reason              :     Xenogamy is pollination between two flowers on different plants.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer19)

  Read the assertion and reason carefully:

  Assertion            :     Unisexual flowers have separate male and female flowers.

  Reason              :     Both monoecious or dioecious plants have unisexual flowers.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion   done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer20)

  Read the assertion and reason carefully:

  Assertion            :     The ovary forms fruit after fertilization.

  Reason              :     The ovary forms parthenocarpic fruits without fertilization.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer21)

  Read the assertion and reason carefully:

  Assertion            :     Pollen grain reaches directly to the egg, which is seated deep in the ovarian cavity.

  Reason              :     To effect fertilization, the pollen grains germinate on the stigma.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer22)

  Read the assertion and reason carefully:

  Assertion            :     Piper nigrum shows the presence of perisperm.

  Reason              :     The persistent nucellus is called perisperm.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer23)

  Read the assertion and reason carefully:

  Assertion            :     Cellular endosperm is formed by both nuclear division and wall formation.

  Reason              :     It lacks haustoria.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer24)

  Read the assertion and reason carefully:

  Assertion            :     Proembryo stage is restricted to 2-celled stage.

  Reason              :     It has one basal and one apical cell.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer25)

  Read the assertion and reason carefully:

  Assertion            :     Polynology is the study about pollen grain.

  Reason              :     It is also useful in plant taxonomy.

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer26)

  Read the assertion and reason carefully:

  Assertion            :     Insects visit flowers to gather honey.

  Reason              :     Attraction of flowers prevents the insects from damaging other parts of the plant.     [AIIMS 2004]

  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow