CHSE Biology Sexual Reproduction in Flowering Plants 10 Year Questions

Chapter- Sexual Reproduction in Flowering Plants

One mark questions:-

  1. In a dichogamous flower, when anther matures earlier than the ovule, the process is called _____. (CHSE – 2012)
  2. _____ is the nutritive tissue of microspores in angiosperms. (CHSE – 2012)
  3. The motile asexual reproductive unit is called _____. (CHSE – 2012)
    • zoospore
    • aplanospore
    • zygospore
    • microspore
  4. The process of physical removal of anther is called ____. (CHSE – 2016)
  5. The motile asexual reproductive unit is called _____. (CHSE – 2012)
    • porogamy
    • chalazogamy
    • mesogamy
    • herkogamy
  6. The outer sterile tissue that provides to the developing microspores in microsporogenesis is called _____. (CHSE – 2018)
  7. Nutritive tissue of a fertilized egg in angiosperm is _____. (CHSE – 2019)
  8. Nocturnal flowers like Nyctanthes attract insects by their ___. (CHSE – 2019)
    • colour
    • nectar
    • scent
    • edible sap

Short notes / short answer type questions and differentiates: -

  1. Cleistogamy (CHSE – 2013)
  2. Nuclear endosperm and cellular endosperm (Differentiate) (CHSE – 2018)
  3. Outbreeding devices (CHSE – 2019)
  4. Parthenocarpy and parthenogenesis (Differentiate) (CHSE – 2019)

Long questions: -

  1. Give an account of double fertilization in angiosperms. (CHSE – 2012)
  2. Give an account of development of female gametophyte of angiosperms. (CHSE – 2018)
  3. Give the structure of a typical pollen grain and its pre – and post pollination changes. (CHSE – 2019)

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