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LS.2e, LS.3b, LS.3c Organization, Uni/Multi, Diffusion/Osmosis

Total questions: 44

Worksheet time: 3hrs 37mins

Name
Class
Date
1.

How do the particles move in diffusion?

a)

From a region of low concentration to a region of high concentration

b)

From a region of high concentration to a region of low concentration

c)

From a region of low concentration to a region of low concentration

d)

From a region of high concentration to a region of high concentration

2.
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.
3.
What is the diffusion of water only across a cell or semi-permeable membrane?
a)
Osmosis
b)
Diffusion
c)
Active Transport
d)
Passive Transport
4.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
5.

Is composed of a single cell

a)

Unicellular

b)

Multicellular

c)

Both

6.
Which organism performs all life processes in one cell?
a)
grass
b)
bacteria
c)
mushroom
d)
butterfly
7.
How are single-celled organisms and multi-celled organisms similar?
a)
Both need food for energy and growth.
b)
Both have a skeletal system for support.
c)
Both require the interaction of many cells to survive.
d)
Both are able to carry out all life functions in only one cell.
8.
Permeable means
a)
things can pass through
b)
the concentration levels are different
c)
it is permanent
d)
things are stuck
9.
What is the definition of  Selective Permeability?
a)
The movement of materials across the cell membrane that requires NO ENERGY from the cell.
b)
The movement of materials through (or across) the cell membrane
c)
The ability of the cell membrane to allow some things to pass through while preventing other things from passing through.
d)
The movement of molecules from an area of high concentration to a area of low concentration 
10.
What does “high concentration area” mean?
a)
Spread out
b)
Tightly packed together
c)
Uncrowded
d)
Spacious
11.

A cell is placed in a solution as shown in the picture. The membrane is permeable to water but impermeable to sucrose. 



Which way would you expect water to move?

a)

Into the cell

b)

Out of the cell

c)

Equally in and out of the cell

12.

A cell is placed in a solution as shown in the picture. The membrane is permeable to water but impermeable to sucrose.



Which way would you expect water to move?

a)

Into the cell

b)

Out of the cell

c)

Equally in and out of the cell

13.

If the semipermeable membrane allows the green chemical to pass through it freely, where will the green chemical move?

a)

right to left

b)

left to right

c)

up and down

14.
Osmosis
a)
diffusion of water molecules through a semi-permeable mebrane from an area of low concentration to an area of high concentration
b)
the diffusion of particles from an area of high concentration to an area of low concentration
c)
diffusion of water molecules through a semi-permeable membrane from an area of high concentration to an area of low concentration
d)
the diffusion of particles from an area of low concentration to an area of high concentration
15.

Equilibrium is when....

a)

there is a large amount of substance on the inside of the cell and a small amount in the outside solution

b)

there is a small amount of substance on the inside of the cell and a large amount in the outside solution

c)

there is an equal amount of substance on either side of the cell membrane

d)

there are no particles on either side of the the cell membrane

16.

If all the 7th grade students were packed in Ms. Johnson's room, when the door opens they will rush out so they're not crowded. What type of transport is that demonstrating?

a)

Active transport

b)

Diffusion

c)

Osmosis

17.

The most complex level of organization of the options below is the...

a)

cell.

b)

tissue.

c)

organ.

d)

organ system.

18.

Choose the correct example of the levels of organization.

a)

Cell: root cell

Tissue: ground tissue

Organ: root

b)

Cell: skeletal

Tissue: bone

Organ: human

c)

Cell: neuron cell

Tissue: Brain & spinal cord

Organ: nerve

19.

The diagram shows molecules moving from an area of higher to lower concentration. What is this a description of?

a)

liquid

b)
Diffusion
c)

gas

20.

Choose the levels of organization in order of increasing complexity:

a)

Cell-Tissue-Organ- Organ System- Organism

b)

Organism- Organ System- Organ- Tissue- Cell

c)

Cell- Tissue- Organ- Organism

d)

Cell- Organ System- Organism

21.

Which systems move a mammals body?

a)

Skeletal

b)

Muscular

c)

Nervous

d)

Endocrine

22.

Which system is involved in getting nutrients from food?

a)

Digestive

b)

Respiratory

c)

Nervous

d)

Skeletal

23.
What does multicellular mean?
a)
One cell
b)
Nonliving
c)
Many cells
d)
Living
24.

In what way are both humans and bacteria the same?

(¿En qué se parecen los seres humanos y las bacterias?)

a)

Both are living things.

(Ambos son seres vivos.)

b)

Both are non-living things.

(Ambos son seres no vivos.)

c)

Both are multicellular organisms.

(Ambos son organismos pluricelulares.)

d)

Both are single-celled organisms.

(Ambos son organismos unicelulares.)

25.

Which best describes the main job of most cells in multicellular organisms?

(¿Cuál describe mejor la función principal de la mayoría de las células de los organismos pluricelulares?)

a)

Cells work to keep THEMSELVES alive.

(Las células trabajan para mantenerse vivas.)

b)

Cells work together to keep THE ORGANISM (whole body) alive.

(Las células trabajan juntas para mantener vivo EL ORGANISMO (todo el cuerpo).)

c)

Cells work on their own to release needed materials.

(Las células trabajan por su cuenta para liberar los materiales necesarios.)

d)

Cells work on their own to store unneeded materials.

(Las células trabajan por su cuenta para almacenar materiales innecesarios.)

26.

An alligator is an example of...

(Un caimán es un ejemplo de...)

a)

Unicellular Organism

(Organismo unicelular)

b)

Multicellular Organism

(Organismo multicelular)

c)

Neither

(Tampoco)

d)

Both

(Ambos)

27.

Classify the following examples (pictures) as unicellular or multicellular

(Clasifique los siguientes ejemplos (imágenes) como unicelulares o pluricelulares)

a)

Unicellular

(Unicelular)

b)

Multicellular

(Multicelular)

c)

Both

(Ambos)

d)

Neither

(Tampoco)

28.

Based on this image is the Euglena multicellular or unicellular? *Euglena is microscopic

(Según esta imagen, ¿es la Euglena multicelular o unicelular? *Euglena es microscópica)

a)

Multicellular

(Multicelular)

b)

Unicellular

(Unicelular)

c)

Neither

(Tampoco)

d)

Both

(Ambos)

29.

The most basic unit of life is...

(La unidad más básica de la vida es...)

a)

Cell

(Celda)

b)

Tissue

(Tejido)

c)

Organ

(Órgano)

d)

Organ System

(Sistema de órganos)

30.

Which is an example of a multicellular organism?

(¿Cuál es un ejemplo de organismo pluricelular?)

a)

amoeba

(ameba)

b)

bacteria

(bacterias)

c)

worm

(gusano)

d)

yeast

(levadura)

31.

Molly is reading a book in science class. She reads one sentence that says, “This organism is capable of surviving as a single cell.” Which organism is she most likely reading about?

(Molly está leyendo un libro en clase de ciencias. Lee una frase que dice: "Este organismo es capaz de sobrevivir como una sola célula". ¿Sobre qué organismo es más probable que esté leyendo?)

a)

amoeba

(ameba)

b)

flower

(flor)

c)

mushroom

(setas)

d)

insect

(insecto)

32.

Bacteria is an example of a ________________ organism.

(Las bacterias son un ejemplo de organismo ________________.)

a)

Unicellular

(Unicelular)

b)

Multicellular

(Multicelular)

c)

Bicellular

(Bicelular)

d)

Tricellular

(Tricelular)

33.

How are unicellular organisms different from multicellular organisms?

a)

Unicellular are simple

b)

Multicellular have tissues and organs

c)

Unicellular are complex

d)

Multicellular doesn't have more complex organization above cells.

34.

What does "the form of a cell fits the function of a cell" mean?

a)

The shape of the cell allows it to perform a certain job

b)

the shape of the cell is dependent on where the organism lives

c)

the shape of the cell depends on where it is located

d)

  • the shape of the cell has nothing to do with its job

35.

The system shown contains a semi-permeable membrane between two chambers filled with a solution of molecules with letters and numbers. The membrane is permeable only to the molecules with numbers; it is NOT permeable to molecules with letters. Which of the following diagrams shows what the system might look like when it is at equilibrium? (use the image below)

a)

b)

c)

d)

36.

Muscle cells need a lot of energy to contract. Therefore there would be a high number (proportion) of ...

a)

Golgi bodies

b)

Lysosomes

c)

Mitochondria

d)

DNAmsucle cell

37.

The shape of a nerve cell helps it

a)

Get longer or shorter

b)

Pass messages from one cell to the next

38.

Which statement is only true of multicellular organisms?

a)

reproduce quickly

b)

composed of one cell

c)

small

d)

repair damaged cells

39.

Division of labor due to specialized cells

a)

Unicellular

b)

Multicellular

40.

What organ is this that is responsible for absorbing nutrients and moving them into the bloodstream?

a)

stomach

b)

small intestine

c)

large intestine

41.

What organ is this when food is mixed with digestive juices and enzymes and stored.

a)

stomach

b)

large intestine

c)

small intestine

42.

Which of the following answers correctly sequences the pathway food takes from the beginning to end?

a)

mouth, esophagus, stomach, small intestine, large intestine

b)

mouth, esophagus, stomach, large intestine, small intestine

c)

mouth, stomach, esophagus, small intestine, large intestine

d)

mouth, stomach, esophagus, large intestine, small intestine

43.

This is a musclular tube that connects the mouth to the stomach.

a)

esophogus

b)

trachea

c)

Salivary gland

44.

The teeth and tongue break down food physically. This is an example of

a)

mechanical digestion

b)

chemical digestion

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