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

done Megasporogenesis Total Questions - 52

• question_answer1)
  Generally how many megaspores take part in the development of female gametophyte?
  A)
  One done clear
  B)
  Two done clear
  C)
  Three done clear
  D)
  Four done clear
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• question_answer2)
  The cells in embryo sac which act as haustoria are
  A)
  Antipodal cells done clear
  B)
  Synergids done clear
  C)
  Egg and synergids done clear
  D)
  Antipodals and synergids done clear
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• question_answer3)
  Horizontally oriented ovules are called
  A)
  Hemitropous done clear
  B)
  Campylotropous done clear
  C)
  Circinotropous done clear
  D)
  Atropous done clear
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• question_answer4)
  In which type whole of the megaspore mother cell takes part in the formation of the female gametophyte
  A)
  Monosporic 8 nucleate done clear
  B)
  Monosporic 4 nucleate done clear
  C)
  Bisporic done clear
  D)
  Tetrasporic done clear
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• question_answer5)
  Synergids are
  A)
  Tetraploid done clear
  B)
  Triploid done clear
  C)
  Diploid done clear
  D)
  Haploid done clear
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• question_answer6)
  If the number of chromosomes in root cells is 14, what will be the number of chromosomes in synergids cells of an ovule of that parent
  A)
  7 done clear
  B)
  14 done clear
  C)
  21 done clear
  D)
  Incomplete information done clear
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• question_answer7)
  A Drusa type of embryo sac is
  A)
  16 celled and 16 nucleate done clear
  B)
  15 celled and 15 nucleate done clear
  C)
  15 celled and 16 nucleate. done clear
  D)
  14 celled and 15 nucleate done clear
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• question_answer8)
  In which of the following types of embryo sac the megaspore nuclei do not fuse to form a triploid nucleus at chalazal end
  A)
  Fritillaria type done clear
  B)
  Plumbagella type done clear
  C)
  Adoxa type done clear
  D)
  None of the above done clear
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• question_answer9)
  A linear tetrad of 4 cells lying in an axial row is formed during the development of
  A)
  Embryo sac done clear
  B)
  Pollen grains done clear
  C)
  Ovary done clear
  D)
  Ovule done clear
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• question_answer10)
  The megaspore mother cell divides meiotically forming haploid embryo sac and the plants thus formed are usually sterile in
  A)
  Recurrent apomixis done clear
  B)
  Non-recurrent apomixes done clear
  C)
  Adventive embryony done clear
  D)
  Vegetative reproduction done clear
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• question_answer11)
  If the endosperm mother cell of an angiosperm plant has 24 chromosomes, the same in the MMC will be
  A)
  12 done clear
  B)
  48 done clear
  C)
  16 done clear
  D)
  24 done clear
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• question_answer12)
  Caruncle is derived from  [Manipal MEE 1995; MP PMT 1996]
  A)
  Cotyledons done clear
  B)
  Integument done clear
  C)
  Peduncle done clear
  D)
  None of the above done clear
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• question_answer13)
  Perisperm is       [AIIMS 1982; CPMT 1984, 95; CBSE PMT 1989; AFMC 1993; MP PMT 1996]
  A)
  Degenerate part of synergids done clear
  B)
  Peripheral part of endosperm done clear
  C)
  Degenerate part of secondary nucleus done clear
  D)
  Remnant of nucellus done clear
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• question_answer14)
  The stalk of the ovule is called [DPMT 1984; CPMT 1984, 96]
  A)
  Pedicel done clear
  B)
  Petiole done clear
  C)
  Funicle done clear
  D)
  Hilum done clear
  View Solution play_arrow

• question_answer15)
  When the ovule is curved and embryo sac becomes horse-shoe shaped, such an ovule is called [CBSE PMT 2005]
  A)
  Amphitropous done clear
  B)
  Circinotropous done clear
  C)
  Campylotropous done clear
  D)
  Orthotropous done clear
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• question_answer16)
  Generally archesporium in an ovule is  [CPMT 1980]
  A)
  Single celled and hypodermal in origin done clear
  B)
  Single celled and lies in the centre of the ovule done clear
  C)
  Single celled and terminal in origin done clear
  D)
  Many celled and lie in the centre done clear
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• question_answer17)
  Embryo sac is [CBSE PMT 1990; Pb. PMT 1999]
  A)
  Megasporangium done clear
  B)
  Megaspore done clear
  C)
  Female gametophyte done clear
  D)
  Female gamete done clear
  View Solution play_arrow

• question_answer18)
  Generally number of integuments in the ovule of angiosperms and gymnosperms is [CPMT 1991]
  A)
  One and two done clear
  B)
  One and one done clear
  C)
  Two and one done clear
  D)
  Two and two done clear
  View Solution play_arrow

• question_answer19)
  Which of the following pairs of plant parts are both haploid  [CBSE PMT 1991]
  A)
  Antipodal cells and egg cells done clear
  B)
  Nucellus and primary endosperm nucleus done clear
  C)
  Nucellus and antipodal cells done clear
  D)
  Antipodal cells and megaspore mother cells done clear
  View Solution play_arrow

• question_answer20)
  Tegmen develops from  [CBSE PMT 1990; AFMC 1993]
  A)
  Outer integument done clear
  B)
  Inner integument done clear
  C)
  Chalaza done clear
  D)
  Funicle done clear
  View Solution play_arrow

• question_answer21)
  Crassinucellate ovule shows  [AIIMS 1990]
  A)
  Absence of nucellus done clear
  B)
  Well developed nucellus done clear
  C)
  Partially developed nucellus done clear
  D)
  Ill developed nucellus done clear
  View Solution play_arrow

• question_answer22)
  In angiosperms, the functional megaspore of a linear tetrad is the [CPMT 1989]
  A)
  First nearest to the micropyle done clear
  B)
  Second from micropyle done clear
  C)
  Third from micropyle done clear
  D)
  Fourth from micropyle done clear
  View Solution play_arrow

• question_answer23)
  The normal or Polygonum type of embryo sac is  [BHU 1982, 85; CPMT 1988, 93]
  A)
  Bisporic eight nucleate done clear
  B)
  Monosporic four nucleate done clear
  C)
  Tetrasporic sixteen nucleate done clear
  D)
  Monosporic eight nucleate done clear
  View Solution play_arrow

• question_answer24)
  The ovule of angiosperms might be evolved from [BHU 1977; CPMT 1982, 84]
  A)
  Megagametangium done clear
  B)
  Integumented megasporangium done clear
  C)
  Megasporangium done clear
  D)
  Microgametangium done clear
  View Solution play_arrow

• question_answer25)
  The functional megaspore undergoes  [CPMT 1986]
  A)
  2 meiotic divisions to form mature embryo sac done clear
  B)
  3 mitotic divisions to form mature embryo sac done clear
  C)
  2 mitotic divisions to form mature embryo sac done clear
  D)
  3 meiotic divisions to form mature embryo sac done clear
  View Solution play_arrow

• question_answer26)
  In anatropous ovule, the micropyle is  [CPMT 1985, 93]
  A)
  In straight line with funicle done clear
  B)
  At right angle with funicle done clear
  C)
  At 45o with funicle done clear
  D)
  Side by side with funicle done clear
  View Solution play_arrow

• question_answer27)
  Which of the following is not functionally analogous with others in the group [CPMT 1988, 93]
  A)
  Archegonium done clear
  B)
  Oogonium done clear
  C)
  Antheridium done clear
  D)
  Ovule done clear
  View Solution play_arrow

• question_answer28)
  The microscopic structure in flower that contains polar nuclei is [DPMT 1982; CPMT 1985]
  A)
  Only gametophyte done clear
  B)
  Pollen tube done clear
  C)
  Embryo sac done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer29)
  Collar like outgrowth arising from the base of ovule and forming a sort of third integument is known as [CPMT 1984; JIPMER 2002]
  A)
  Coma done clear
  B)
  Caruncle done clear
  C)
  Aril done clear
  D)
  Operculum done clear
  View Solution play_arrow

• question_answer30)
  Filiform apparatus is found in which part of angiosperms [CPMT 1993, 95; CPMT 1999]
  A)
  Sperm done clear
  B)
  Antipodal done clear
  C)
  Egg done clear
  D)
  Synergid done clear
  View Solution play_arrow

• question_answer31)
  An orthotropous ovule is one in which micropyle and chalaza are [CPMT 1982; AIIMS 1992; CBSE PMT 1994]
  A)
  In straight line of funiculus done clear
  B)
  Parallel to funiculus done clear
  C)
  At right angles to funiculus done clear
  D)
  Oblique to funiculus done clear
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• question_answer32)
  The ovule in pea are [DPMT 1990; MP PMT 1996]
  A)
  Anatropous done clear
  B)
  Hemianatropous done clear
  C)
  Campylotropous done clear
  D)
  Amphitropous done clear
  View Solution play_arrow

• question_answer33)
  Mature embryo sac contains or A normal angiosperm embryo sac at the final stage of development has [CPMT 1987, 93; DPMT 1992; MP PMT 1999]
  A)
  4 cells done clear
  B)
  3 cells done clear
  C)
  7 cells done clear
  D)
  8 cells done clear
  View Solution play_arrow

• question_answer34)
  In an embryo sac of  a typical angiosperm, there are [MP PMT 1993]
  A)
  Egg, synergids and antipodals done clear
  B)
  Egg, synergids, polar nuclei and antipodals done clear
  C)
  Egg, synergids, central cell and polar nuclei done clear
  D)
  Egg, synergids and secondary cell done clear
  View Solution play_arrow

• question_answer35)
  Female gametophyte of angiospermic plants is represented by [MP PMT 1994, 2000]
  A)
  Oospore done clear
  B)
  Egg done clear
  C)
  Carpel done clear
  D)
  Pollen grain done clear
  View Solution play_arrow

• question_answer36)
  In Capsella meiosis takes place during [RPMT 1995]
  A)
  Development of pollen grains done clear
  B)
  Development of egg done clear
  C)
  Germination of zygote done clear
  D)
  Development of embryo sac done clear
  View Solution play_arrow

• question_answer37)
  Ovule of Capsella is [RPMT 1995]
  A)
  Orthotropus done clear
  B)
  Anatropus done clear
  C)
  Campylotropus done clear
  D)
  Amphitropus done clear
  View Solution play_arrow

• question_answer38)
  The formation of embryo sac is called [CPMT 1998]
  A)
  Megasporogenesis done clear
  B)
  Megagametogenesis done clear
  C)
  Micro gametogenesis done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer39)
  Mature Polygonum type embryo sac has got  [BHU 1999; MP PMT 2000]
  A)
  Seven cells and eight nuclei done clear
  B)
  Seven nuclei and eight cells done clear
  C)
  Eight cells and eight nuclei done clear
  D)
  Seven cells and seven nuclei done clear
  View Solution play_arrow

• question_answer40)
  If diploid chromosome number in a flowering plant is 12, then which one of the following will have only 6 chromosomes [CPMT 1984, 86]
  A)
  Endosperm done clear
  B)
  Leaf cells done clear
  C)
  Cotyledons done clear
  D)
  Synergids done clear
  View Solution play_arrow

• question_answer41)
  Egg apparatus of angiosperm consists of [AFMC 1993; MHCET 2000]
  A)
  One egg cell and two synergids done clear
  B)
  One egg cell 2 synergids 3 antiodals done clear
  C)
  3 antipodals only done clear
  D)
  Secondary nucleus and egg cell done clear
  View Solution play_arrow

• question_answer42)
  The point of attachment of funicle with chalazal end is called [MP PMT 1996, 2001; MHCET 2003]
  A)
  Placenta done clear
  B)
  Integument done clear
  C)
  Nucellus done clear
  D)
  Hilum done clear
  View Solution play_arrow

• question_answer43)
  The haploid cell which divides by mitosis to form embryosac is [RPMT 2002]
  A)
  Megaspore mother cell done clear
  B)
  Microspore mother cell done clear
  C)
  Functional megaspore done clear
  D)
  Non-functional megaspore done clear
  View Solution play_arrow

• question_answer44)
  What is the direction of micropyle in anatropous ovule [CBSE PMT 2002]
  A)
  Left done clear
  B)
  Right done clear
  C)
  Upward done clear
  D)
  Inverted done clear
  View Solution play_arrow

• question_answer45)
  Synergids of the polygonum type embryo sac are [MHCET 2002]
  A)
  Haploid done clear
  B)
  Diploid done clear
  C)
  Triploid done clear
  D)
  Polyploid done clear
  View Solution play_arrow

• question_answer46)
  For the formation of tetrasporic embryosac, how many megaspore mother cells are required [BHU 2003]
  A)
  1 done clear
  B)
  2 done clear
  C)
  3 done clear
  D)
  4 done clear
  View Solution play_arrow

• question_answer47)
  In angiosperms embryosac is developed from [MP PMT 2003]
  A)
  Megaspore mother cell done clear
  B)
  Secondary nucleus done clear
  C)
  Endothecium done clear
  D)
  Microspore mother cell done clear
  View Solution play_arrow

• question_answer48)
  An ovule which becomes curved so that the nucellus and embryo sac lie at right angles to the funicle is [CBSE PMT 2004]
  A)
  Anatropous done clear
  B)
  Orthotropous done clear
  C)
  Hemitropous done clear
  D)
  Campylotropous done clear
  View Solution play_arrow

• question_answer49)
  Female gametophyte of angiosperm is generally [MHCET 2004]
  A)
  7 celled and 7 nucleate done clear
  B)
  8 celled and 8 nucleate done clear
  C)
  7 celled and 8 nucleate done clear
  D)
  8 celled and 7 nucleate done clear
  View Solution play_arrow

• question_answer50)
  Ovule with funiculus lying close to micropyle is known as [Pb. PMT 2004]
  A)
  Anatropous done clear
  B)
  Campylotropous done clear
  C)
  Atropous done clear
  D)
  Cytokinin done clear
  View Solution play_arrow

• question_answer51)
  Through which cell of the embryo sac, does the pollen tube enter the embryo sac [CBSE PMT 2005]
  A)
  Egg cell done clear
  B)
  Central cell done clear
  C)
  Persistant synergid done clear
  D)
  Degenerated synergid done clear
  View Solution play_arrow

• question_answer52)
  Stalk with which ovules remain attached to placenta is called [Orissa JEE 2005]
  A)
  Funicle done clear
  B)
  Raphe done clear
  C)
  Hilum  done clear
  D)
  Chalaza done clear
  View Solution play_arrow