Cycles in Nature Quiz

1. The reusing of certain elements and compounds in nature is:
A a recycle
B a cycle
C an ecosystem

2. The process whereby plants lose water through their leaves is:
A perspiration
B transpiration
C wilting

3. The scientific term describing rain and snow is:
A precipitation
B condensation
C rainfall

4. Compounds containing carbon are called:
A carbonic
B organic
C oxygenated

5. The process that converts carbon dioxide and water to sugar and oxygen is:
A respiration
B photosynthesis
C breathing

6. The process that converts sugar and oxygen into carbon dioxide and water is:
A respiration
B transpiration
C photosynthesis

7. The bacteria found on legume roots that converts atmospheric nitrogen to a form useable by plants are:
A denitrifying bacteria
B nitrogen-fixing bacteria
C putrefactive bacteria

8. Another way that atmospheric nitrogen can be solidified or 'fixed' into a more solid form is by:
A lightning
B denitrifying bacteria
C pea and bean leaves

9. The nitrogenous wastes produced by animals include:
Aurea, uric acid and ammonia
Batmospheric nitrogen
Cfaeces

10. The process of burning is called:
Adecomposition
Bcombustion
Crespiration

11. Nitrogen in animals is mainly in the forms of:
Acarbohydrates
Blipids and monosaccharides
Camino acids and proteins

12. Containing concentrated quantities of the nitrogen-containing wastes of urea and uric acid is:
Asaltwater
Bhuman faeces
Chuman urine

13. "Matter cannot be created nor destroyed in any chemical reaction. It can only changed from one form to another." This is the Law of Conservation of:
AEnergy
BTemperature
CMatter

14. Two processes that convert carbon within organic compounds in animals back to atmospheric carbon dioxide are:
APhotosynthesis, respiration
Brespiration, combustion by burning dead animals
Cphotosynthesis, decomposition from the respiration of decomposing bacteria

15. What chemical element does not cycle as effectively as carbon, oxygen and nitrogen?
Awater
Bcarbon dioxide
Cphosphorus