Download Biology*Plant Test Study Guide

*Biology*Plant, Photosynthesis and Cellular Respiration Test Review*KEY
1. Name the characteristics of plants. (551, 459)
multicellular, eukaryote, cell walls made of cellulose, autotroph w/photosynthesis
2. What does a plant need to survive? (552)
sunlight, water and minerals, gas exchange, transport of water and nutrients thoughout the plant
3. Could an animal carry out cellular respiration without plants? Explain (232)
No, animals need oxygen for cellular respiration and oxygen is only available from plants.
4. Why do plants need sunlight? (552)
Without the sunlight, plants cannot complete photosynthesis to make food for its energy.
5. Define vascular tissue. (560)
xylem and phloem that moves fluids through the plant body even against the force of gravity
6. Where are angiosperms seeds produced? (569)
the ovary in flowers
7. Name the 3 organs of plants and list the functions of each. (579)
Roots: absorb water and minerals; anchor the plant into the soil
Stem: transport materials up and down the plant; provide support for the plant
Leaves: this is were photosynthesis takes place
8. The vascular tissue of a plant is made of phloem and xylem. Describe what each carry.(580)
Phloem: carries food (carbs/sugar/glucose) and nutrients from the leaves down to the roots
Xylem: carries water and minerals from the roots up to the rest of the plant
9. Name the 2 types of roots and give an example of each. (584)
taproot: primary root that grows longer and thicker than other roots on a plant EX. carrot
fibrous root: roots that are no longer or thicker than the rest of the roots of a plant EX. grass
10. Which type of root would you expect to soak up rainfall quicker? Explain
fibrous root because there is more surface area to absorb the water
11. Define transpiration. (596)
loss of water through the leaves
12. On a hot day, what would you expect a plant to do to reduce transpiration? (597)
keep the stomata closed
13. What is a stoma? an opening that allows water and gas to go in and out of plant
Where is it found? on the underside of the leaves (596)
14. What is a guard cell? guard cells are found on either side of the stoma and opens/closes stoma (596)
15. What regulates gases in and out of a plant? (596) guard cells/stomata
16. When are stomata open? cool and wet weather
closed? hot and dry weather (597)
17. In what structure are pollen grains produced in angiosperms? anther
Is it on female or male organs? male (612)
18. Where does reproduction take place in angiosperms? in the flowers (614)
19. What is dormancy? the time when the plant embryo is alive but not growing
What factors can influence dormancy? (620)
environmental factors such as temperature and moisture
20. Define tropism. (639)
response of plants to external stimuli
21. Tell me the differences between phototropism, geotropism or gravitropism, thigmotropism and hydrotropism. Give an example of
ea. (639)
phototropism-tendency of plants to grow toward a light source
geotropism-response of plants to the force of gravity
thigmotropism-response of plants to touch
hydrotropism-tendency of plants to move toward or away from water
22. How are cactus leaves adapted to dry conditions? they are very small (spines) to reduce water loss (644)
23. Define Photosynthesis. (204)
plants use the energy of sunlight to convert water and carbon dioxide into carbohydrate (sugar/glucose) and oxygen
24. Define Cellular Respiration. (222)
process that releases energy by breaking down glucose and other food molecules in the presence of oxygen
25. Write the equation for photosynthesis and cellular respiration below (either in words or symbols)
(206)Photosynthesis= 6CO2 + 6H2O sunlight-> C6H12O6 + 6O2
carbon dioxide + water ->sunlight-> glucose + oxygen
(222)Cellular Respiration = C6H12O6 + 6O2 -> 6H2O + 6CO2 + ATP
glucose + oxygen -> water + carbon dioxide + energy
26. Put a circle around the reactants in both equations above and put a square around the products!