Q1. Plants bearing separate male and female flowers on the same individual are termed:A. DioeciousB. MonoeciousC. HermaphroditicD. Polygamous
Q2. Which of the following components is a key part of a pollen grain?A. Exine and intineB. Embryo sac and ovuleC. Integuments and chalazaD. Funiculus and placenta
Q3. Megasporogenesis in flowering plants refers to:A. The formation of microspores by mitosis.B. The formation of megaspores by meiosis in the nucellus.C. The fusion of male and female gametes.D. The formation of pollen grains by mitosis.
Q4. Which part of the flower is primarily responsible for producing pollen grains?A. CarpelB. StamenC. PetalD. Sepal
Q5. Which of the following statements about embryogenesis in flowering plants is correct?A. After fertilization, the zygote undergoes mitotic divisions to form a proembryo that differentiates into the embryo proper.B. The zygote immediately develops into a mature embryo without any cell division.C. Multiple zygotes fuse together to form a single embryo.D. Embryogenesis in flowering plants occurs without fertilization.
Q6. Which layer of the anther is primarily responsible for generating the tension that leads to anther dehiscence?A. EpidermisB. EndotheciumC. TapetumD. Connective tissue
Q7. Which of the following statements about the evolution of floral traits is correct?A. Floral traits evolve in response to pollinator preferences, enhancing reproductive success.B. Floral traits remain unchanged over evolutionary time.C. Floral traits have no impact on the efficiency of pollination.D. Floral traits are solely determined by genetic drift.
Q8. Which one of the following statements about double fertilization in angiosperms is correct?A. It involves the fusion of one sperm with one egg only.B. It results in the formation of both the zygote and the endosperm.C. It occurs only in gymnosperms.D. It does not involve the formation of endosperm.
Q9. Which of the following best describes dichogamy in flowering plants?A. Temporal separation of male and female reproductive phases within the same flowerB. Spatial separation of male and female organsC. Genetic incompatibility between self and non-self pollenD. Pollen dispersal by wind
Q10. Which part of the flower is primarily responsible for attracting pollinators?A. SepalsB. PetalsC. StamensD. Ovary