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Test Description: 7th grade TEKS on cells, photosynthesis, work and forces in plants
Instructions: Answer all questions to get your test result.
1) What is the function of the mitochondria?
A
Stores water
B
Produces energy for the cell
C
Controls all the activity within the cell
D
Controls what goes in and out of the cell
2) What is the function of the nucleus?
A
Controls all the activity within the cell
B
Controls what goes in and out of the cell
C
Produces energy for the cell
D
Stores water
3) What is the function of the cell membrane?
A
Stores water
B
Controls what goes in and out of the cell
C
Produces energy for the cell
D
Controls all the activity within the cell
4) What is the function of the vacuole?
A
Controls all the activity within the cell
B
Produces energy for the cell
C
Stores water
D
Controls what goes in and out of the cell
5) Which of the following is NOT an example of force in a plant
A
photosynthesis
B
turgor pressure
C
phototropism
D
seedling emergence
6) How does a simple machine like a ramp or pulley affect the amount of work done?
A
It does not change the amount of work done
B
It increases the amount of work done
C
There is no way to calculate the affect
D
It decreases the amount of work done
7) When a plant grows toward the light, it is an example of ______________.
A
negative geotropism
B
phototropism
C
thigmatropism
D
positive geotropism
8) A plant's roots grow towards the Earth. This is an example of ______________.
A
thigmatropism
B
negative geotropism
C
phototropism
D
positive geotropism
9) What happens when a plant loses turgor pressure?
A
Nothing happens.
B
It wilts.
C
It gets really sad.
D
It dies.
10) A plant cell changes turgor pressure to maintain ____________________.
A
homeostasis
B
its color
C
photosynthesis
D
cellular integrity
*select an answer for all questions
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