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Unit 3 Review

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Going from smallest to largest, which of the following is correct?

a)

organism ->

cell ->

organ ->

organelle ->

organ system -> tissue

b)

organism->

organ system->

organ->

tissue->

cell->

organelle

c)

organelle ->

cell->

tissue->

organ->

organ system->

organism

d)

tissue->

organ->

organelle->

organ system->

organism->

cell

2.

Sometimes multicellular organisms get sick or hurt.

When which of the following gets damaged, could it compromise or damage the whole organ system?

a)

a single cell

b)

a single organ

c)

an area of tissue

d)

an organelle

3.

Which of the following statements about cells is correct?

a)

Multicellular organisms can have more than a billion cells

b)

All cells produce their own food.

c)

All organisms must have more than one cell to grow.

d)

Adult cells are larger than baby cells.

4.

What organs could "A" and "B" represent?

a)

A: Liver

B: Brain

b)

A: Gallbladder

B: Pancreas

c)

A: Brain

B: Small Intestines

d)

A: Heart

B: Bone

5.

Which of the following are only unicellular organisms?

In other words which of the following have NO multicellular organisms?

a)

turtles, amoeba, giraffe

b)

mushrooms, algae, plants

c)

paramecium, bacteria, yeast

d)

humans, dogs, cats

6.

Which cellular structure is responsible for gas and water exchange?

a)

endoplasmic reticulum

b)

chloroplast

c)

mitochondria

d)

cell membrane

e)

nucleus

7.

Which of the following best describes a red blood cell?

a)

These long, fibrous cells have the ability to contract and allows animals to move.

b)

These cells make new cells and produce pigment and melanin.

c)

These cells transport oxygen throughout the body.

8.

Which of the following best describes a muscle cell?

a)

These long, fibrous cells have the ability to contract and allows animals to move.

b)

These cells make new cells and produce pigment and melanin.

c)

These cells transport oxygen throughout the body.

9.

Which of the following best describes a skin cell?

a)

These long, fibrous cells have the ability to contract and allows animals to move.

b)

These cells make new cells and produce pigment and melanin.

c)

These cells transport oxygen throughout the body.

10.

Which way will the water molecules move during osmosis?

a)

Out of the cell, so the cell shrinks.

b)

Out of the cell, so the cell swells.

c)

Into the cell, so the cell shrinks.

d)

Into the cell, so the cell swells.