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Plants Test
Test Description: Plant Unit Test
Instructions: Answer all questions to get your test result.
1) How has the evolution of vascular systems in plants helped increase the number of woody plants?
A
Vascular systems release minerals into the cells through osmosis.
B
Vascular systems allow the roots and leaves to be farther apart.
C
Vascular systems increase the rate of photosynthesis in chloroplasts.
D
Vascular systems remove water from the cells through diffusion.
2) Which of the following plants is a pteridophyte?
A
fern
B
moss
C
rose bush
D
pine tree
3) Due to natural selection, which type of seed is MOST adapted to hot regions with low precipitation?
A
seeds that germinate quickly
B
seeds that are not dispersed
C
seeds that are nondormant
D
seeds that sprout seasonally
4) Some plants produce fruit. What is the primary function of the fruit?
A
It retains water during times of drought.
B
It provides nutrients to the flower.
C
It strengthens the fibers of the branches.
D
It ensures the dispersal of the seeds.
5) What will happen if the vascular tissue of a plant does not form?
A
The plant will continue germinating and blossoming throughout the year.
B
The roots of the plant will be responsible for photosynthesis.
C
The xylem of the plant will be responsible for transporting water and glucose.
D
The plant will keep its photosynthetic location close to its roots.
6) Which statement explains the alternation of generations in plants?
A
Meiosis and fertilization cause a plant's chromosome numbers to alternate from diploid to haploid.
B
Changing levels of precipitation cause the frequency at which plants germinate to alternate from year to year.
C
Flowers bloom every other season in order to increase the rate of reproduction.
D
Embryos alternate in number in order to allow dormant seeds to survive poor conditions.
7) Why is phototropism an adaptation that is necessary for plant survival?
A
Phototropism decreases the amount of carbon that is lost through respiration.
B
Phototropism increases the ability of plants to produce sugars.
C
Phototropism increases the ability of plants to take in nutrients.
D
Phototropism decreases the amount of water that is lost through transpiration.
8) Why is gravitropism a crucial plant adaptation?
A
It provides the plant with the necessary amount of sunlight.
B
It allows the plant to establish itself in the soil.
C
It protects the plant from germinating in the wrong season.
D
It keeps the plant at a constant temperature.
9) Evolution has diversified certain plants, enabling them to survive in particular biomes. Which plants are MOST LIKELY to survive in the tundra biome?
A
plants that have large leaves
B
plants that contain long vascular tissues
C
plants that bloom more than once a year
D
plants that have shallow roots
10) Which type of leaf is BEST adapted for survival in high altitudes and cold regions?
A
Very small and wide leaves
B
Very small and narrow leaves
C
Very large and wide leaves
D
Very large and wide leaves
*select an answer for all questions
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