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Midwest #10 Forest Botany Test



True/False
Indicate whether the statement is true or false.
 

 1. 

A maple is an example of a gymnosperm.
 

 2. 

Evaporation is the term used to describe the loss of water from the leaf surface.
 

 3. 

White cedars have leafy twigs which are not flattened and are prickly to the touch.
 

 4. 

The only American conifer that sprouts vegetatively is the redwood.
 

 5. 

A pure forest is one in which all or nearly all of the trees are of the same species.
 

 6. 

After a forest fire, the cone of the jack pine will open from the hat and drop its seed.
 

 7. 

The butternut tree has palmately compound leaves.
 

 8. 

Another name for the white cedar is Arborvitae.
 

 9. 

The Tamarack is a conifer having five needles in a cluster that is deciduous in winter.
 

 10. 

Evergreens are also referred to as hardwood trees.
 

 11. 

A tree grows in height and crown spread by the elongation of the buds on the branches.
 

 12. 

Trees may be identified by their fruit, flowers, buds, bark, twigs, and sometimes by general shape.
 

 13. 

The last stage of forest succession is called the pioneer stage.
 

 14. 

The first stage of forest succession is called the climax stage.
 

 15. 

The organic layer of the forest floor absorbs the energy of falling rain and decreases runoff.
 

 16. 

Maple trees are identified by the Latin name ‘Quercus’.
 

 17. 

A pine tree having five needles in a cluster would be a white pine.
 

 18. 

The loss of water from the leaf is called transpiration.
 

 19. 

The best way to decide what species of trees to plant is to consider those species which are best adapted to the soil and climate in which you wish to plant.
 

 20. 

The tip weevil does serious damage to white pine.
 

 21. 

The soil should be left loose around the roots when planting so that proper air circulation is maintained.
 

 22. 

Insect damage to young trees is first noticed in late fall or early winter.
 

 23. 

The waxy layer over the surface of a leaf is the guard cells.
 

 24. 

The part of the tree that provides strength and support is the heartwood.
 

 25. 

The growth of new wood in any year forms a complete layer over the entire tree.
 

 26. 

Seeds which have wings are designed to be carried by the wind.
 

 27. 

Respiration occurs only in the presence of chlorophyll.
 

 28. 

More timber is lost each year to insects and diseases than to fire.
 

 29. 

Grazing of woodlots by cattle will improve the timber stand by reducing competition and should be a recommended practice.
 

 30. 

The red pigment which is visible in leaves in fall is Xanthophyll.
 

 31. 

The leaf blade is attached to stems by a stalk called a Petiole.
 

 32. 

Food manufacture in the leaves is called translocation.
 

 33. 

The midrib is the large vein in a leaf which runs the length of the leaf blade.
 

 34. 

Pines. Hemlocks, Firs, and Spruces are examples of Angiosperms.
 

 35. 

Cuttings from a parent tree used in propagation should be made during the dormant season.
 



 
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