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)