Wind pollination is common in

(1) lilies

(2) grasses

(3) orchids

(4) legumes

Concept Questions :-

Pollination & Outbreeding Devices
Post Pollination Events
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Nucellar polyembryony is reported in species of

(1) Gossypium

(2) Triticum

(3) Brassica

(4) Citrus

Concept Questions :-

Apomixis & Polyembryony
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In which one of the following pollination is autogamous?

(1) Xenogamy

(2) Chasmogamy

(3) Cleistogamy

(4) Geitonogamy

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Apomictic embryos in Citrus arise from

(1) synergids

(2) maternal sporophytic tissue in ovule

(3) antipodal cells

(4) diploid egg

Concept Questions :-

Apomixis & Polyembryony
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Transfer of pollen grains from the anther to the stigmaof another flower of the same plant is called

(1) xenogamy

(2) geitonogamy

(3) karyogamy

(4) autogamy

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Wind pollinated flowers are

(1) small, brightly coloured, producing large number of pollen grains

(2) small, producing large number of dry pollen grains

(3) large, producing abundant nectar and pollen

(4) small, producing nectar and dry pollen

Concept Questions :-

Pollination & Outbreeding Devices
Post Pollination Events
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Which one of the following plants is monoecious?

(1) Marchantia

(2) Pinus

(3) Cycas

(4) Papaya

Concept Questions :-

Pollination & Outbreeding Devices
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Which one of the following pairs of plant strucutre has haploid number of chromosomes?

(1) Megaspore mother cell and antipodal cells

(2) Egg cell and antipodal cells

(3) Nucellus and antipodal cells

(4) Egg nucleus and secondary nucleus

Concept Questions :-

Pistil: Female Gametophyte
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Endosperm is consumed by developing embryo in the seed of

(1) coconut

(2) castor

(3) pea

(4) maize

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Unisexuality of flowers prevents

(1) autogamy, but not geitonogamy

(2) Both geitonogamy and xenogamy

(3) geitonogamy, but not xenogammy

(4) autogamy and geitonogamy

Concept Questions :-

Pollination & Outbreeding Devices
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Difficulty Level: