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1st 9 Weeks Exam

Authored by Sarah Mota

Science

7th Grade

Used 36+ times

1st 9 Weeks Exam
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35 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Students in Mr. Carmona's class are getting ready to dissect a bullfrog. Which of the following should be used to ensure that everyone's hands are protected from the chemicals that the bullfrogs are preserved in?

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2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A student is examining some matter under a microscope. What question can the student answer that will best allow her to determine if the matter came from a living organism?

Is the matter moist?

Where was the matter found?

Is the matter composed of cells?

Does sunlight affect the matter?

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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Botanists are scientists that study plants. One group of botanists is learning to see how different environmental factors affect plant growth. They run four experiments which are illustrated in the picture. Which of the following best explains the differences in plant growth between the four plant experiments?

hydrotropism

phototropism

gravitropism

thigmotropism

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following plant cells shows a plant that has a normal amount of turgor pressure in order to keep the plant upright and not flaccid?

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5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which membrane bound organelle, found in both plant and animal cells, acts like the nervous system or brain of the cell which controls the cell's activities due to the genetic instructions it holds within?

nucleus

chloroplast

golgi apparatus

ribosome

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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Isabella is watering the plants for nature club. She accidentally knocks down one of Mrs. Delaune's potted plants. She goes inside the school and forgets to place it upright. One week later she returns outside and notices the plant growth. This response is most likely caused by which external environmental factor?

gravity

water pressure

light

atmospheric pressure

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which structure is found only in plant cells?

cell wall

cell membrane

cytoplasm

nucleus

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