Biological Plant Science

Unit 7 Review – Plant Reproduction

7.1  Define Terms

Match the following terms with their BEST definition listed below:

A.  Asexual reproduction B. budding C. cutting

D. grafting E. layering F. propagation

G. sexual propagation

_____ 1. Asexual plant reproduction involving the insertion or moving of a scion (piece of a plant)

onto another plant (stock) so that a new plant is created.

_____2. Reproduction without fertilization.

_____3. Reproducing plants from seeds.

_____4. A form of plant asexual reproduction that involves transferring a bud from a parent plant to

a stock (new plant).

_____5. A form of plant asexual reproduction using a section of plant that can regenerate itself.

_____6. The reproduction of plants by sexual or asexual means.

_____7. Asexual plant reproduction involving promoting the growth of roots on stems or branches

while still attached to the parent plant.

Match the following terms with the BEST definition listed below:

A.  fertilization B. germination C. hybrid

D. pollination E. scarification F. stratification

G. viable H. seed dormancy

_____8. To scratch or crack the coating of a seed to promote germination.

_____9. The transfer of pollen from the anther to the stigma of a flower in the fertilization process.

_____10. The rest period some seeds need before they germinate.

_____11. In plant reproduction, union of pollen sperm with ovule to produce seeds.

_____12. A plant resulting from selected crossing of parents that are unlike.

_____13. The ability of a seed to germinate under optimal conditions.

_____14. Sprouting of a seed to produce a new plant.

_____15. The internal factors that play a role in when a seed germinates.

Match the following terms with the BEST definition listed below:

B.  ovary B. ovule C. pollen

D. seed E. stigma

_____16. The portion of the pistil of a flower that contains one or more ovules; female reproductive

organ.

_____17. The structure that contains the embryo of a plant.

_____18. The male element or spore of a flower borne by the anthers and forms sperm cells

needed for fertilization of the ovules in the ovary of a flower.

_____19. Flower structure that transforms into a seed after fertilization.

_____20. The female organ of a flower that receives pollen.

7.2  Discuss the meaning and use of sexual and asexual plant reproduction

21. Clearly explain the difference between sexual and asexual plant reproduction:

22. Identify at least two benefits of sexual reproduction:

23. Identify at least two benefits of asexual reproduction:

7.3  Describe plant parts and processes involved in sexual reproduction

24. Complete the following chart concerning Plant parts:

Plant Part / Male or Female Part? / Function
Ovary
Ovule
Pollen
Stigma
Anther

25. Briefly explain double fertilization:

26. Briefly explain scarification:

7.4  Discuss the meaning and importance of seed viability

27. Briefly explain what seed viability means:

28. Identify the optimum storage conditions for most seeds:

a.  Temperature: ______

b.  Humidity: ______

29. Explain how seed dormancy effects seed germination:

7.5  Discuss the common methods of asexual plant propagation

Complete the following chart concerning methods of asexual plant propagation:

Method / Brief Description / Example
Budding
Cutting
Grafting
Layering