Life Science

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7th Grade Science › Life Science

Questions 1 - 4
1

What controls movement of materials in and out of the cell, and acts as a barrier between the cell and the environment?

Nucleus

Cell membrane

Cell wall

Nuclear membrane

Explanation

To answer this question correctly, we need to know the function of the following organelles:

The cell membrane controls movement of materials in and out of the cell, and acts as a barrier between the cell and the environment.

The cell wall protects the cell, and allows water, oxygen, and carbon dioxide into and out of the cell.

The nuclear membrane controls movement in and out of the nucleus.

The nucleus controls the cell's activities.

Cell membrane is the correct answer.

2

What controls movement in and out of the nucleus?

Nucleus

Nuclear membrane

Cell wall

Cell membrane

Explanation

To answer this question correctly, we need to know the function of the following organelles:

The cell membrane controls movement of materials in and out of the cell, and acts as a barrier between the cell and the environment.

The cell wall protects the cell, and allows water, oxygen, and carbon dioxide into and out of the cell.

The nuclear membrane controls movement in and out of the nucleus.

The nucleus controls the cell's activities.

Nuclear membrane is the correct answer.

3

What controls a cell's activities?

Nucleus

Cell membrane

Cell wall

Nuclear membrane

Explanation

To answer this question correctly, we need to know the function of the following organelles:

The cell membrane controls movement of materials in and out of the cell, and acts as a barrier between the cell and the environment.

The cell wall protects the cell, and allows water, oxygen, and carbon dioxide into and out of the cell.

The nuclear membrane controls movement in and out of the nucleus.

The nucleus controls the cell's activities.

Nucleus is the correct answer.

4

What protects the cell, and allows water, oxygen, and carbon dioxide into and out of the cell?

Nucleus

Cell membrane

Cell wall

Nuclear membrane

Explanation

To answer this question correctly, we need to know the function of the following organelles:

The cell membrane controls movement of materials in and out of the cell, and acts as a barrier between the cell and the environment.

The cell wall protects the cell, and allows water, oxygen, and carbon dioxide into and out of the cell.

The nuclear membrane controls movement in and out of the nucleus.

The nucleus controls the cell's activities.

Cell wall is the correct answer.

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