REVIEW & REHEARSE 18 GROWTH and REPRODUCTION IN PLANTS

!ques1! Check Your Knowledge

Question 18.17

As exual reproduction in plants:

  • a) tends to be particularly common in a population growing in a marginal habitat.
  • b) still requires meiosis.
  • c) requires reproductive cells that are produced in flowers.
  • d) is energetically more expensive than sexual reproduction.
  • e) Both b) and c) are correct.

Question 18.18

Most of the trees or shrubs in backyard gardens:

  • a) are haploid.
  • b) are the products of asexual reproduction.
  • c) require both male plants and female plants in close proximity.
  • d) utilize cell respiration rather than photosynthesis.
  • e) must exhibit an alternation of generations when propagated asexually.

Question 18.19

In angiosperms, the ______ are the specialized reproductive organs whose main function is to bring together the sperm and egg.

  • a) seeds
  • b) pollen grains
  • c) cones
  • d) leaves
  • e) flowers