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Attractants and rewards are required for

  • Anemophily

  • Entomophily

  • Hydrophily

  • Hydrophily


B.

Entomophily

Insect pollinated plants provide rewards as edible pollen grain and nectar as usual rewards. While some plants also provide safe place for deposition of eggs.

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An enzyme that can stimulate germination of barley seeds is

  • α-amylase

  • lipase

  • protease

  • protease


In a cereal grain the single cotyledon of embryo is represented by

  • coleorhiza

  • scutellum

  • prophyll

  • prophyll


Double fertilization is exhibited by

  • Gymnosperms

  • Algae

  • Fungi

  • Fungi


A dioecious flowering plant prevents both:

  • Autogamy and xenogamy

  • Autogamy and geitonogamy

  • Geitonogamy and xenogamy

  • Geitonogamy and xenogamy


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