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Plants Test
1. Anything in the environment that affects the behavior of an organism is called –
A.
B.
C.
D.
Stomata
Stimuli
Tropism
Xylem
2. Which of the following best describes the process of osmosis in a plant?
A.
B.
C.
D.
the process by which organisms break down food to release energy
the pressure of water against the cell wall of a plant that keeps it rigid and sturdy
the organism’s desire to keep internal conditions constant and balanced
the diffusion (movement) of water in and out of a plant cell
3. In which organelle in plant cells does photosynthesis take place? In which part of the plant
does this happen?
A.
B.
C.
D.
Chloroplast, leaf
Xylem, stem
Chlorophyll, roots
Stomata, flower
4. What are two ways we (humans) depend on photosynthesis?
A.
B.
C.
D.
Water and carbon dioxide
Oxygen and sunlight
Glucose and ATP
Oxygen/Carbon dioxide exchange and energy
5. Which products of cellular respiration are used as reactants in photosynthesis?
A.
B.
C.
D.
ATP and light energy
ATP and CO2
CO2 and H2O
CO2 and O2
6. What is the process by which organisms break down food to release energy?
A. Cellular Respiration
B. Photosynthesis
C. Turgor Pressure
D. Homeostasis
CLASS SET – DO NOT WRITE ON!!
Match the picture to the type of tropism.
8.
7.
9.
H2O
A.
B.
C.
D.
Geotropism
Thigmatropism
Hydrotropism
Phototropism
11. Which of the following is the correct equation for Photosynthesis?
A.
B.
C.
D.
CO2 + 6 H2O
O2 + light energy
C6H12O6 + 6 O2
ATP + H20
C6H12O6 + 6 O2
H20 + CO2
6 CO2 + 6 H2O
CO2 + C6H12O6
12. In what part of the cell does cellular respiration take place?
A.
B.
C.
D.
Chloroplast
Mitochondria
Chlorophyll
Leaves
13. What structures carry glucose from the leaves to other parts of the plant?
A.
B.
C.
D.
Xylem
Chloroplast
Stomata
Phloem
14. A plant wilting could result from all of the following EXCEPT -A.
B.
C.
D.
Low Turgor Pressure
Damaged Xylem
Lack of food
Osmosis not taking place
10.
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15. Gas exchange (CO2 in & O2 out) takes place in what structures located in the epidermis?
A.
B.
C.
D.
Guard cells
Chloroplast
Stomata
Xylem
16. Which of the following chemical formulas represents glucose?
A.
B.
C.
D.
ATP
C8H10N4O2
NaCl
C6H12O6
17. In phototropism, leaves and stems growing towards the light is considered a –
A.
B.
C.
D.
Positive tropism
Negative tropism
Both
None of the above
18. Which function occurs in the part of a leaf shown?
A.
B.
C.
D.
Water enters and exits
O2 enters in and CO2 exits
Glucose is made
CO2 goes in and O2 exits
19. Which of the following is the correct definition of photosynthesis?
A.
B.
C.
D.
the process by which organisms break down food to release energy
an organism’s desire to keep internal conditions constant and balanced
a series of chemical reactions that convert light energy, water, and carbon dioxide into glucose
a response that results in plant growth toward or away from a stimulus
20. All of the following are true about the mesophyll layer of a leaf EXCEPT -A.
B.
C.
D.
It consists of the palisade layer and spongy layer
It is where the chloroplasts are located, which is where photosynthesis takes place
It is the layer of the leaf where tiny openings called the stomata are found
It means “middle leaf”
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21. Which of the following is a negative tropism?
A.
B.
C.
D.
The downward growth of a plant root in geotropism
Roots growing away from objects in the soil to follow the easiest path in thigmotropism
Vines growing up or wrapping around a tree or fence
Roots growing down toward a river in hydrotropism
22. The vascular tissue, or veins, in a leaf
A.
B.
C.
D.
Carry oxygen and carbon dioxide from the roots to the leaves
Transport water and food throughout the plant
Surround and protect the bundle sheath cells
Are easily seen because they are part of the epidermis layer
Use the dichotomous key to identify the following leaves:
23. Leaf 3 –
A.
B.
C.
D.
24. Leaf 4 –
A.
B.
C.
D.
2
Redbud
Locust
Sweet Gum
Pecan
1
5
3
Redbud
Birch
Sweet Gum
Magnolia
4
6
7
Choose which of the description matches photosynthesis or cellular respiration.
25. Produces glucose and oxygen
26. Performed in plants and algae only
27. Requires sunlight, carbon dioxide, and water
28. Breaks down glucose into energy
29. Occurs in the chloroplasts
30. Produces carbon dioxide, water and energy
A. Photosynthesis
B. Cellular Respiration
CLASS SET – DO NOT WRITE ON!!
Label the parts of a leaf on the diagram below:
31. _________________
32.
38.
33.
34.
35.
36.
39. _____________
40. _____________
Answer choices for 31-35:
A.
B.
C.
D.
E.
Palisade Layer
Bundle Sheath Cells
Epidermis
Xylem
Cuticle
Answer choices for 36-40:
A.
B.
C.
D.
E.
Spongy Layer
Guard Cells
Phloem
Stomata
Mesophyll
37.