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

done Pollination Total Questions - 47

• question_answer1)
  Which one of the following character causes cross pollination
  A)
  Cleistogamy done clear
  B)
  Dichogamy done clear
  C)
  Homogamy done clear
  D)
  All the above done clear
  View Solution play_arrow

• question_answer2)
  Continuous self-pollination in a species develops
  A)
  Strong off springs done clear
  B)
  Weak off-springs done clear
  C)
  New varieties done clear
  D)
  Seedless fruits done clear
  View Solution play_arrow

• question_answer3)
  In maize, pollination is
  A)
  Anemophilous done clear
  B)
  Ornithophilous done clear
  C)
  Malacophilous done clear
  D)
  Entomophilous done clear
  View Solution play_arrow

• question_answer4)
  In which characters air pollinated flowers differ from insect pollinated ones
  A)
  Due to small parianth and sticky pollen done clear
  B)
  Small coloured parianth and heavy pollen grains done clear
  C)
  Coloured parianth and large pollen grains done clear
  D)
  Without parianth and light pollen grains done clear
  View Solution play_arrow

• question_answer5)
  Which one of the following is an example of cleistogamy
  A)
  Sunflower done clear
  B)
  Vallisneria done clear
  C)
  Commelina done clear
  D)
  Calatropis done clear
  View Solution play_arrow

• question_answer6)
  In Ficus (Peepal) pollination is affected by
  A)
  Air done clear
  B)
  Water done clear
  C)
  Insects done clear
  D)
  Birds done clear
  View Solution play_arrow

• question_answer7)
  Pollen kit is present in
  A)
  Anemophilous flowers done clear
  B)
  Entomophilous flowers done clear
  C)
  Ornithophilous flowers done clear
  D)
  Hydrophilous flowers done clear
  View Solution play_arrow

• question_answer8)
  Pollination occurs when a pollen grain [DPMT 1993]
  A)
  Matures and has three nuclei done clear
  B)
  Lands on a stigma done clear
  C)
  Releases its sperm nuclei done clear
  D)
  Releases its pollen tube nucleus done clear
  View Solution play_arrow

• question_answer9)
  In which type of flowers, stigma is rough and sticky [NCERT 1978; CPMT 1988]
  A)
  Insect pollinated done clear
  B)
  Wind pollinated done clear
  C)
  Water pollinated done clear
  D)
  All the above done clear
  View Solution play_arrow

• question_answer10)
  Pollination by wind is called [KCET 2001; Manipal 2005]
  A)
  Geitnogamy done clear
  B)
  Anemophily done clear
  C)
  Autogamy done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer11)
  When pollen grains of a flower pollinate the stigma of another flower of the same plant, it is called [AllMS 1980; BHU 1999; AMU 2005; CPMT 2005]
  A)
  Dichogamy done clear
  B)
  Herkogamy done clear
  C)
  Geitnogamy done clear
  D)
  Autogamy done clear
  View Solution play_arrow

• question_answer12)
  Pollination by slug and snails is called  [AIIMS 1998; CBSE PMT 2002; KCET 1994]
  A)
  Ornithophilous done clear
  B)
  Malacophilous done clear
  C)
  Anemophilous done clear
  D)
  Chiropterophilous done clear
  View Solution play_arrow

• question_answer13)
  Dichogamy which helps in cross pollination is a floral mechanism in which [CPMT 1989, 2000]
  A)
  Pollen sac and stigma are at different heights done clear
  B)
  Anther and stigma mature at different times done clear
  C)
  Structure of pollen sac and stigma functions as hurdles done clear
  D)
  Pollen grain is unable to germinate on the stigma of the same flower done clear
  View Solution play_arrow

• question_answer14)
  Correct definition of pollination is  [CPMT 1982; AFMC 1984, 85]
  A)
  Transfer of pollen grain from anther to stigma done clear
  B)
  Germination of pollen grain done clear
  C)
  Growth of pollen tube in ovule done clear
  D)
  Visits of insects in flower done clear
  View Solution play_arrow

• question_answer15)
  Self pollination means  [CPMT 1982; DPMT 1983; AFMC 1984]
  A)
  Occurrence of male and female sex organs in the same flower done clear
  B)
  Germination of pollens within the anther done clear
  C)
  Transference of pollens from anther to the stigma within the same flower done clear
  D)
  Transference of pollens from one flower to another on the same plant done clear
  View Solution play_arrow

• question_answer16)
  Which prevents self pollination [AFMC 1986; AIIMS 1992]
  A)
  Self sterility done clear
  B)
  Herkogamy done clear
  C)
  Dichogamy done clear
  D)
  All of the above done clear
  View Solution play_arrow

• question_answer17)
  Fig is pollinated by [MP PMT 1987]
  A)
  Wind done clear
  B)
  Self done clear
  C)
  Water done clear
  D)
  Insects (Blastophaga grossorum) done clear
  View Solution play_arrow

• question_answer18)
  In plants, in nature, autogamy is avoided since the seeds produced  [JIPMER 1993]
  A)
  Are fewer in number done clear
  B)
  Do not germinate successfully done clear
  C)
  Do not produce healthy plants done clear
  D)
  All the above done clear
  View Solution play_arrow

• question_answer19)
  In bisexual flowers when the gynoecium matures earlier than the androecium, it is called [CPMT 1984]
  A)
  Protandry done clear
  B)
  Protogyny done clear
  C)
  Heterogamy done clear
  D)
  Autogamy done clear
  View Solution play_arrow

• question_answer20)
  The insect Blastophaga grossorum is associated with the pollination of [NCERT 1985]
  A)
  Mango done clear
  B)
  Paddy done clear
  C)
  Beans done clear
  D)
  Ficus done clear
  View Solution play_arrow

• question_answer21)
  Pollination by water is seen in [CPMT 1985]
  A)
  Nelumbium done clear
  B)
  Vallisneria done clear
  C)
  Eichornia done clear
  D)
  Nymphaea done clear
  View Solution play_arrow

• question_answer22)
  In which of the following pollination takes place by lever mechanism [BHU 1985]
  A)
  Salvia done clear
  B)
  Ficus done clear
  C)
  Antirhinum done clear
  D)
  Ocimum done clear
  View Solution play_arrow

• question_answer23)
  In sausage tree (Kigelia africana) the pollination takes place by [BHU 1993]
  A)
  Birds done clear
  B)
  Bats done clear
  C)
  Wind done clear
  D)
  Insects done clear
  View Solution play_arrow

• question_answer24)
  Part of the gynoecium which receives the pollen is called [AIIMS 1992; MP PMT 2004]
  A)
  Ovary done clear
  B)
  Ovule done clear
  C)
  Style done clear
  D)
  Stigma done clear
  View Solution play_arrow

• question_answer25)
  The allogamy is best favoured by [DPMT 1990]
  A)
  Homogamy done clear
  B)
  Cleistogamy done clear
  C)
  Dicliny done clear
  D)
  All of the above done clear
  View Solution play_arrow

• question_answer26)
  The pollination which occurs in one plant is  [DPMT 1992]
  A)
  Herkogamy done clear
  B)
  Cleistogamy done clear
  C)
  Dichogamy done clear
  D)
  Dicliny done clear
  View Solution play_arrow

• question_answer27)
  A close relation between flower and pollinating agent is best exhibited by [BHU 1994]
  A)
  Cocos done clear
  B)
  Salvia done clear
  C)
  Yucca done clear
  D)
  Avena done clear
  View Solution play_arrow

• question_answer28)
  Pollination characteristically occurs in [BHU 1994]
  A)
  Angiosperms and fungi done clear
  B)
  Angiosperms and gymnosperms done clear
  C)
  Pteridophytes and angiosperms done clear
  D)
  Bryophytes and angiosperms done clear
  View Solution play_arrow

• question_answer29)
  The transfer of pollen grain from the stamen to the stigma of the same flower is [JIPMER 1994]
  A)
  Autogamy done clear
  B)
  Allogamy done clear
  C)
  Geitnogamy done clear
  D)
  Xerogamy done clear
  View Solution play_arrow

• question_answer30)
  Progeny produced as a result of cross pollination [CMC Vellore 1994]
  A)
  Shows high degree of variability and is evolutionary important done clear
  B)
  Is sterile done clear
  C)
  Has recessive characters done clear
  D)
  Is homozygous with phenotypic uniformity done clear
  View Solution play_arrow

• question_answer31)
  Which of the following type of gynoecium is associated by wind pollination
  A)
  done clear
  B)
  done clear
  C)
  done clear
  D)
  done clear
  View Solution play_arrow

• question_answer32)
  The pollination by the birds is called [CPMT 1993; HP PMT 2005]
  A)
  Ornithophily done clear
  B)
  Chiropterophily done clear
  C)
  Entomophily done clear
  D)
  Malacophily done clear
  View Solution play_arrow

• question_answer33)
  Feathery stigma is present in [BHU 1995]
  A)
  Wheat done clear
  B)
  Pea done clear
  C)
  Ceasalpinia done clear
  D)
  Datura done clear
  View Solution play_arrow

• question_answer34)
  The maturation of male (anthers) and female (stigma) structures at different times in the same flower (in order to reduce the possibility of self pollination) is called [Manipal MEE 1995]
  A)
  Dichogamy done clear
  B)
  Dichotomy done clear
  C)
  Dicliny done clear
  D)
  Dioecy done clear
  View Solution play_arrow

• question_answer35)
  Pollination which occurs in closed flowers is known as [AFMC 1994]
  A)
  Allogamy done clear
  B)
  Cleistogamy done clear
  C)
  Dicliny done clear
  D)
  Protogyny done clear
  View Solution play_arrow

• question_answer36)
  Pollination is best defined as [AFMC 1994]
  A)
  Transfer of pollen from anther to stigma done clear
  B)
  Germination of pollen grains done clear
  C)
  Growth of pollen tube in ovule done clear
  D)
  Visiting flowers by insects done clear
  View Solution play_arrow

• question_answer37)
  Cross pollination in crop plant is known as [MP PMT 1998; BHU 2002]
  A)
  Autogamy done clear
  B)
  Allogamy done clear
  C)
  Cleistogamy done clear
  D)
  Chasmogamy done clear
  View Solution play_arrow

• question_answer38)
  Flowers preventing self-pollination is called [KCET 1998]
  A)
  Dichogamy done clear
  B)
  Protanary done clear
  C)
  Herkogamy done clear
  D)
  Protogyny done clear
  View Solution play_arrow

• question_answer39)
  The mature stigma is either rough or sticky in [RPMT 1997; AFMC 2003]
  A)
  All types of flowers done clear
  B)
  Water pollinated flowers done clear
  C)
  Wind pollinated flowers done clear
  D)
  Insect pollinated flowers done clear
  View Solution play_arrow

• question_answer40)
  Pollination by insects is called [CPMT 1998]
  A)
  Entomophily done clear
  B)
  Chirepterophily done clear
  C)
  Anemophilly done clear
  D)
  Zoophilly done clear
  View Solution play_arrow

• question_answer41)
  Anemophilous pollination is mainly observed in [CPMT 2000; CBSE PMT 2001]
  A)
  Graminae done clear
  B)
  Annonaceae done clear
  C)
  Papilionaceae done clear
  D)
  Euphorbiaceae done clear
  View Solution play_arrow

• question_answer42)
  Cheiropterophily is the process of pollination by [MP PMT 2000; KCET 2004]
  A)
  Water done clear
  B)
  Bat done clear
  C)
  Insect done clear
  D)
  Bird done clear
  View Solution play_arrow

• question_answer43)
  Contrivances for self pollination are [J & K CET 2002]
  A)
  Bisexuality done clear
  B)
  Homogamy done clear
  C)
  Cleistogamy done clear
  D)
  All of these done clear
  View Solution play_arrow

• question_answer44)
  Intra-species  incompatibility can be overcome by [AIEEE 2003]
  A)
  Wetting of the stigma done clear
  B)
  Bud-pollination done clear
  C)
  Mixed-pollination done clear
  D)
  Intra-ovarian pollination done clear
  View Solution play_arrow

• question_answer45)
  When anthers and stigma mature at the same time it is called [MHCET 2003; AFMC 2005]
  A)
  Protandry done clear
  B)
  Homogamy done clear
  C)
  Isogamy done clear
  D)
  Dichogamy done clear
  View Solution play_arrow

• question_answer46)
  For self-pollination flower must be [Haryana PMT 2005]
  A)
  Unisexual done clear
  B)
  Bisexual done clear
  C)
  Monosexual done clear
  D)
  Asexual done clear
  View Solution play_arrow

• question_answer47)
  The process of transfer of pollen grains from another to stigmatic surface of the flower with the help of water is called [J&K CET 2005]
  A)
  Anemophily done clear
  B)
  Zoophily done clear
  C)
  Hydrophily done clear
  D)
  Ornithophily done clear
  View Solution play_arrow