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Unit 1 Test Review 3rd Version - 7th Science

Total questions: 82

Worksheet time: 1hrs 5mins

Name
Class
Date
1.

Which of these is not true about all organisms?

a)

all living things have at least one cell

b)

all living things need sugar

c)

all living things respond to stimuli

d)

all living things reproduce

2.

Living things are made up of units called

a)

DNA

b)

Cells

c)

Homeostasis

d)

Seeds

3.

If an organism is made entirely of one cell it is called...

a)

Multicellular

b)

Prokaryotic

c)

Unicellular

d)

Eukaryotic

4.

Living things are based on a universal genetic

code. What molecule is responsible for that code?

a)

RNA

b)

Lipid

c)

Protein

d)

DNA

5.
Rocks are not living because
a)
they never move
b)
they aren't needed for humans
c)
they are not made of cells
d)
they don't break down
6.

In what organelle is the genetic material found inside?

a)

cell membrane

b)

chloroplast

c)

nucleus

d)

ribosome

7.

What organelle is called the "powerhouse" of a cell?

a)

mitochondria

b)

nucleus

c)

cell wall

d)

cell membrane

8.

A large central vacuole is found in a _____ cell.

a)

animal

b)

plant

9.

What is the function of a chloroplast?

a)

makes proteins for animal cells

b)

allows materials in and out of the cell

c)

provides structure and support

d)

absorbs sunlight and makes sugar

10.

The arrow is showing the jelly-like fluid inside the cell that surrounds the cell organelles. What is the arrow pointing to in the cell?

a)

cytoplasm

b)

mitochondria

c)

ribosomes

d)

nucleus

11.

What type of cell is being shown in the image?

a)

plant

b)

animal

12.

What does "cells come from other cells' mean?

a)

When cells move they need another cell to go with them

b)

Cells can be created out of thin air

c)

Cells are only created by other cells

d)

Animal cells come from plant cells

13.

Which diagram correctly shows the levels of organization?

a)
b)
c)
d)
14.

In which cell type are chloroplasts found?

a)

Animal Cell

b)

Plant Cell

c)

Both

15.

In which cell type is a mitochondria found?

a)

Animal Cell

b)

Plant Cell

c)

Both

16.

In which cell type is a cell membrane found?

a)

Animal Cell

b)

Plant Cell

c)

Both

17.

In which cell type is a cell wall found?

a)

Animal Cell

b)

Plant Cell

c)

Both

18.

In which cell type is a small vacuole found?

a)

Animal Cell

b)

Plant Cell

c)

Both

19.
What cell part is NOT found in all cells?
a)
Cell Wall
b)
Cell Membrane
c)
Cytoplasm
d)
Genetic Material
20.

Organs and tissues that perform the same function is called ___________?

a)

Cells

b)

Organ System

c)

Tissue

d)

Organs

21.

A group of cells that have similar functions? Examples are nervous, epithelial, muscle, and connective

a)

Cells

b)

Organs

c)

Tissue

d)

Atoms

22.

When many organ systems work together is can form...

a)

Cell

b)

Tissue

c)

Organ

d)

Organism

23.
Which of the following is the correct order of organization in living things from most basic (simple) to most complex?
a)
a.  Organism, cell, tissue, organ, organ system
b)
a.  Organ system, organ, tissue, cell, organism
c)
a.  Cell, tissue, organ, organ system, organism
d)
a.  Cell, organ, tissue, organ, organism, organ system
24.
What process does a multi-cellular organism use to replace its damaged body cells?
a)
mitosis
b)
meiosis
c)
replication
d)
transcription
25.
Which of these phases of mitosis take place first?
a)
anaphase
b)
telophase
c)
prophase
d)
metaphase
26.
Identify the stage of mitosis.
a)
interphase
b)
prophase
c)
anaphase
d)
cytokinesis
27.
Identify the stage of mitosis.
a)
interphase
b)
prophase
c)
metaphase
d)
anaphase
28.

Which of the following are phases in PMAT?

a)

Cytokinesis

b)

Anaphase

c)

Metaphase

d)

Cytophase

e)

Telophase

29.

Unicellular means

a)

single-celled

b)

unicycle

c)

multi-celled

30.
Which type of cell?
a)
Prokaryote
b)
Eukaryote
31.
Both prokaryotes and eukaryotes have a nucleus.
a)
True
b)
False
32.
Plants and animal cells are examples of ___ cells 
a)
prokaryotic cells 
b)
eukaryotic cells 
33.
Eukaryotic cells are complex.
a)
true
b)
false
34.

Does this cell have a nucleus?

a)

yes

b)

no

35.

All cells - both Prokaryotes and Eukaryotes have a

a)

Cell Wall

b)

Cell Membrane

c)

Nucleus

d)

Mitochondria

36.

Which cell type is older?

a)

Eukaryotic Cells

b)

Prokaryotic Cells

37.

What does this shape of cell do?

a)

Carry Oxygen into the blood stream

b)

Carry Electrical impulses in response to the environment

c)

Contract to stretch in order to allow movement

d)

Fit closely together to form a continuous protective layer

38.

What does this shape of cell do?

a)

Carry Oxygen into the blood stream

b)

Carry Electrical impulses in response to the environment

c)

Contract to stretch in order to allow movement

d)

Fit closely together to form a continuous protective layer

39.

What does this shape of cell do?

a)

Carry Oxygen into the blood stream

b)

Carry Electrical impulses in response to the environment

c)

Contract to stretch in order to allow movement

d)

Fit closely together to form a continuous protective layer

40.

What does this shape of cell do?

a)

Carry Oxygen into the blood stream

b)

Carry Electrical impulses in response to the environment

c)

Contract to stretch in order to allow movement

d)

Fit closely together to form a continuous protective layer

41.

The independent variable in an experiment is

a)

The Variable you change in an experiment

b)

The Outcome of the change

42.

The dependent variable in the Egg Osmosis lab was all of the following - Mark all that apply

a)

The egg's mass

b)

The egg's shape

c)

The liquid the egg was placed in

d)

The egg's size

43.

Plant or Animal

a)

Plant

b)

Animal

44.
Which of the following is found inside a prokaryote?
a)
cytoplasm
b)
DNA
c)
ribosomes
d)
all of these
45.

What is the jelly-like substance that fills the cell?

a)

Ribosomes

b)

Nucleus

c)

Mitochondria

d)

Cytoplasm

46.

Which cell type is older?

a)

Eukaryotic Cells

b)

Prokaryotic Cells

47.

All cells - both Prokaryotes and Eukaryotes have a

a)

Cell Wall

b)

Cell Membrane

c)

Nucleus

d)

Mitochondria

48.
When a baby kitten becomes an adult cat, this is an example of...
a)
energy metabolism
b)
growth and development
c)
response to stimuli
d)
having cells
49.

Living things are based on a universal genetic

code. What molecule is responsible for that code?

a)

RNA

b)

Lipid

c)

Protein

d)

DNA

50.
Your body shivers when you are cold. This is because of the concept of...
a)
homeostasis
b)
heredity
c)
energy metabolism
d)
cellular organization
51.

Reproduction that only involves one parent and all offspring are identical; for example, binary fission of bacteria or amoebas.

a)

Asexual

b)

Sexual

c)

Division

d)

Addition

52.

Maintaining a stable internal

environment is called

a)

homeostasis

b)

equilibrium

c)

balance

d)

evenness

53.
The postman is running away from the dog. This shows that living things _________.
a)
grow
b)
respond to changes
c)
reproduce
d)
die
54.
cells with no nucleus are called
a)
prokaryotic
b)
eukaryotic
c)
dead
d)
alive
55.
Living things respond to heat, light, and sound.  This means they respond to:
a)
stimuli/ environment
b)
suction
c)
Dr. Suess
d)
digestion
56.
During ___________ conditions inside our body are kept stable (the same)
a)
homeopathic
b)
Homo sapian
c)
homeostasis
d)
homologous
57.
All of the following are characteristics of all living things EXCEPT
a)
Respond to stimulus
b)
Grow and develop
c)
maintain homeostasis
d)
Movement
58.
Most single-celled organisms...
a)
reproduce asexually
b)
reproduce sexually
c)
have complex tissues
d)
can be seen without a microscope
59.

Identify the characteristic: Green plants produce their own food through the process of photosynthesis.

a)

All living things use energy

b)

All living things contain cells

c)

All living things maintain homeostasis

d)

All living things grow

60.
Which of the following is NOT a characteristic shared by all living organisms?
a)
Ability to move
b)
Ability to grow and develop
c)
Made up of one or more cells
d)
Responds to stimuli
61.

Which variable is the one that I change in an experiment?

(a)  

62.

Which photo shows the mitochondrion of the cell?

a)
b)
c)
d)
63.

Identify the structure that is indicated by the arrow in the image.

a)

cell wall

b)

central vacuole

c)

chloroplast

d)

nucleus

64.

What is the function of the cell membrane?

a)

To control what comes in and out of the cell

b)

To break down food inside the cell

c)

to serve as a barrier

d)

to eat the cells food

65.

Which statement is part of the cell theory?

a)

All cells come from existing cells

b)

All cells are prokaryotic or eukaryotic

c)

All cells can make a tissue

d)

All cells grow and develop

66.

Which statement is part of the cell theory?

a)

All cells can reproduce

b)

All organisms are either unicellular or multicellular

c)

All organisms are made of 1 or more cells

d)

All cells grow and develop

67.

Which statement is part of the cell theory?

a)

All cells react to stimulus

b)

The cell is the basic unit of all organisms

c)

The cell can be large or small

d)

The cell is either prokaryotic or eukaryotic

68.

command center, direct's the cell's activities

a)

nucleus

b)

lysosome

c)

mitochondria

d)

endoplasmic reticulum

69.
The picture illustrates a
a)
Prokaryotic Plant Cell
b)
Prokaryotic Animal Cell
c)
Eukaryotic Plant Cell
d)
Eukaryotic Animal Cell
70.
Bacteria and Archaea are classified as?
a)
eukaryotes
b)
nucleoid
c)
prokaryotes
d)
proteins
71.
cells of animals, plants, fungi, and protists are all?
a)
nucleoid
b)
prokaryote
c)
archaea
d)
eukaryotes
72.
Prokaryote are?
a)
simple, mostly single-celled organism that lacks a nucleus, or any other membrane-bound organelle.
b)
have a peptidoglycan cell wall and many have polysaccharide capsules.
c)
have a true nucleus, which means the cell's DNA is surrounded by a membrane.
d)
contain membrane-bound organelles, such as the nucleus
73.
cytoplasm....
a)
consisting of a jelly-like cytosol within the cell in which other cellular components are found.
b)
an outer covering that seperates the cell's interior from its surrounding environment
c)
the genetic material of the cell
d)
synthesize proteins
74.
Eukaryotic cells ar smaller than prokaryotic cells.
a)
True
b)
False
75.
Prokaryotes depend on __________ to obtain some materials and to get rid of wastes.
a)
ribosomes
b)
flagella
c)
cell division
d)
diffusion
76.

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

77.
All Offspring of Asexual reproduction are identical
a)
True
b)
False
78.
If the environment changes for an Asexual offspring it will?
a)
Explode
b)
Create another offspring
c)
Fall in love
d)
Die
79.
Which process is considered to be faster? 
a)
Asexual
b)
Sexual 
80.
Which type(s) of reproduction involves TWO parents?
a)
asexual 
b)
sexual
c)
both
81.
Which type(s) of reproduction involves offspring identical to the parent?
a)
asexual
b)
sexual
c)
both
82.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy

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