BIO 106 EXAM 1 WSU EXAM QUESTIONS &
CORRECT SOLUTIONS
1. Which of the following statements is most likely Water flows into the
direction of the
to be true? lowest water potential.
2. Plasmolysis is a cellular loss of water. How
Increasing the cytoplasmic solute
can a cell potentially prevent this? concentration
3. What is correct about stomata Two of the above.
movement con- trol? Pick the Best.
4. Which tissue will an aphid quite
Phloem
specifically try to suck on?
5. The water potential in the root of a
the soil
plant is higher (more positive) than
that in the soil. Where does the water
move to preferentially?
6. Which of the following approaches is Farming using contour tillage
likely most successful in preventing
soil erosion?
They are able to generate ammonia
7. Which of the following statements is from atmospheric nitrogen.
correct about Rhizobia?
8. Which statements is true about nitrate (NO3-)? Nitrate uptake in plants is
an inde-
pendent process that results in a
pro- ton gradient.
9. What are the three main tissues in a plant? Dermal, vascular, ground tissue
10. Which of the following roots is developed in
1/
20
,BIO 106 EXAM 1 WSU EXAM QUESTIONS &
CORRECT SOLUTIONS
response to low oxygen? Pneumatophores
11. What is a likely reason that tropical trees devel- They provide the trees
with additional
op buttress roots? stability support
2/
20
, BIO 106 EXAM 1 WSU EXAM QUESTIONS &
CORRECT SOLUTIONS
12. Roots gain length primarily through... elongation growth
13. Leaves are normally photosynthetically Show a net uptake of carbon
active. As a consequence they... dioxide.
14. Lateral meristems? Are responsible for secondary
growth.
15. What would you normally not find in the root? Trichomes
16. Xylem Sap mainly contains... water and minerals
17. What is the difference between 22. Ion allocation from
'heartwood' and 'sapwood'? the soil into the
vascular system...
18. What does the majority of the dry weight
of a plant body contains, and where
does it come from?
19. Which of the following statements is
correct with respect to 'Osmosis'?
20. Which of the following processes likely
de- pends on the activity of a
proton pump?
21. If you add 2g of sugar to water, what
do you think is happening to the water
potential?
3/
20
CORRECT SOLUTIONS
1. Which of the following statements is most likely Water flows into the
direction of the
to be true? lowest water potential.
2. Plasmolysis is a cellular loss of water. How
Increasing the cytoplasmic solute
can a cell potentially prevent this? concentration
3. What is correct about stomata Two of the above.
movement con- trol? Pick the Best.
4. Which tissue will an aphid quite
Phloem
specifically try to suck on?
5. The water potential in the root of a
the soil
plant is higher (more positive) than
that in the soil. Where does the water
move to preferentially?
6. Which of the following approaches is Farming using contour tillage
likely most successful in preventing
soil erosion?
They are able to generate ammonia
7. Which of the following statements is from atmospheric nitrogen.
correct about Rhizobia?
8. Which statements is true about nitrate (NO3-)? Nitrate uptake in plants is
an inde-
pendent process that results in a
pro- ton gradient.
9. What are the three main tissues in a plant? Dermal, vascular, ground tissue
10. Which of the following roots is developed in
1/
20
,BIO 106 EXAM 1 WSU EXAM QUESTIONS &
CORRECT SOLUTIONS
response to low oxygen? Pneumatophores
11. What is a likely reason that tropical trees devel- They provide the trees
with additional
op buttress roots? stability support
2/
20
, BIO 106 EXAM 1 WSU EXAM QUESTIONS &
CORRECT SOLUTIONS
12. Roots gain length primarily through... elongation growth
13. Leaves are normally photosynthetically Show a net uptake of carbon
active. As a consequence they... dioxide.
14. Lateral meristems? Are responsible for secondary
growth.
15. What would you normally not find in the root? Trichomes
16. Xylem Sap mainly contains... water and minerals
17. What is the difference between 22. Ion allocation from
'heartwood' and 'sapwood'? the soil into the
vascular system...
18. What does the majority of the dry weight
of a plant body contains, and where
does it come from?
19. Which of the following statements is
correct with respect to 'Osmosis'?
20. Which of the following processes likely
de- pends on the activity of a
proton pump?
21. If you add 2g of sugar to water, what
do you think is happening to the water
potential?
3/
20
