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Set 4 of 4 · Questions 91-108 of 108

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NEET Biology · Sexual Reproduction in Flowering Plants · Set 4 (Q91-108)

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  1. 91.
    Function of filiform apparatus is to :-
    1. (1)Recognize the suitable pollen at stigma
    2. (2)Stimulate division of generative cell
    3. (3)Produce nectar
    4. (4)Guide the entry of pollen tube
  2. 92.
    In majority of angiosperms :
    1. (1)Reduction division occurs in the megaspore mother cells
    2. (2)A small central cell is present in the embryo sac
    3. (3)Egg has a filiform apparatus
    4. (4)There are numerous antipodal cells
  3. 93.
    Advantage of cleistogamy is :-
    1. (1)Vivipary
    2. (2)Higher genetic variability
    3. (3)More vigorous offspring
    4. (4)No dependence on pollinators
  4. 94.
    Flowers are unisexual in :
    1. (1)Onion
    2. (2)Pea
    3. (3)Cucumber
    4. (4)China rose
  5. 95.
    Perisperm differs from endosperm in:
    1. (1)Its formation by fusion of secondary nucleus with several sperms
    2. (2)Being a haploid tissue
    3. (3)Having no reserve food
    4. (4)Being a diploid tissue
  6. 96.
    In majority of angiosperms
    1. (1)There are numerous antipodal cells
    2. (2)Reduction division occurs in the megaspore mother cells
    3. (3)A small central cell is present in the embryo sac
    4. (4)Egg has a filiform apparatus
  7. 97.
    Seed coat is not thin, membranous in :
    1. (1)Gram
    2. (2)Maize
    3. (3)Coconut
    4. (4)Groundnut
  8. 98.
    The hilum is a scar on the :
    1. (1)Fruit, where it was attached to pedicel
    2. (2)Fruit, where style was present
    3. (3)Seed, where micropyle was present
    4. (4)Seed, where funicle was attached
  9. 99.
    Geitonogamy involves :
    1. (1)fertilization of a flower by the pollen from another flower of the same plant.
    2. (2)fertilization of a flower by the pollen from the same flower.
    3. (3)fertilization of a flower by the pollen from a flower of another plant in the same population.
    4. (4)fertilization of a flower by the pollen from a flower of another plant belonging to a distant population.
  10. 100.
    What is the function of germ pore?
    1. (1)Absorption of water for seed germination
    2. (2)Initiation of pollen tube
    3. (3)Release of male gametes
      (d Emergence of radical
  11. 101.
    Wind pollinated flowers are :
    1. (1)Small, producing nectar and dry pollen
    2. (2)Small, brightly coloured, producing large number of pollen grains
    3. (3)Small, producing large number of dry pollen grains
    4. (4)Large, producing abundant nectar and pollen
  12. 102.
    Double fertilization is
    1. (1)Fusion of two male gametes of a pollen tube with two different eggs
    2. (2)Fusion of one male gamete with two polar nuclei
    3. (3)Fusion of two male gametes with one egg
    4. (4)Syngamy and triple fusio
  13. 103.
    Non-albuminous seed is produced in
    1. (1)Maize
    2. (2)Castor
    3. (3)Wheat
    4. (4)Pea
  14. 104.
    Unisexuality of flowers prevents :-
    1. (1)Geitonogamy, but not xenogamy
    2. (2)Autogamy and geitonogamy
    3. (3)Autogamy, but not geitonogamy
    4. (4)Both geitonogamy and xenogamy
  15. 105.
    Geitonogamy involves
    1. (1)Fertilization of a flower by the pollen from another flower of the same plant.
    2. (2)Fertilization of a flower by the pollen from the same flower.
    3. (3)Fertilization of a flower by the pollen from a flower of another plant in the same population.
    4. (4)Fertilization of a flower by the pollen from a flower of another plant belonging to a distant Population
  16. 106.
    Wind pollinated flowers are
    1. (1)Small, brightly coloured, producing large number of pollen grains
    2. (2)Small, producing large number of dry pollen grains
    3. (3)Large, producing abundant nectar and pollen
    4. (4)Small, producing nectar and dry pollen
  17. 107.
    The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons?
    1. (1)Cotyledon
    2. (2)Endosperm
    3. (3)Aleurone layer
    4. (4)Plumule
  18. 108.
    Wind pollination is common in
    1. (1)Lilies
    2. (2)Grasses
    3. (3)Orchids
    4. (4)Legumes