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Life Science Fall Semester Review 2021-22

Total questions: 127

Worksheet time: 1hrs 12mins

Name
Class
Date
1.

A human body cell usually has how many chromosomes?

a)

6

b)

22

c)

4

d)

46

2.

If the diploid number of carrots is 18, the haploid number is

a)

18

b)

9

c)

27

d)

36

3.
The result of meiosis is:
a)
two diploid cells
b)
two haploid cells
c)
four diploid cells
d)
four haploid cells
4.

The chromosomes that pair up during meiosis, are called __________ chromosomes.

a)

heterozygous

b)

haploid

c)

homologous

d)

diploid

5.
How many daughter cells are produced from meiosis ?
a)
10
b)
6
c)
4
d)
2
6.

What phase of Meiosis is this?

a)

Telophase I

b)

Anaphase I

c)

Anaphase II

d)

Telophase II

7.

What phase is the picture showing?

a)

Metaphase I

b)

Metaphase II

c)

Prophase II

d)

Anaphase I

8.

In what phase is the DNA of the cell replicated or copied?

a)

Interphase

b)

Prophase I

c)

Telophase I

d)

Metaphase I

9.

What part of the cell disappears during Prophase and reappears in Telophase?

a)

nuclear membrane

b)

cell membrane

c)

chromosomes

10.

Homologous pairs line up in the middle of the cell in what phase of Meiosis?

a)

Metaphase I

b)

Metaphase II

c)

Mitosis

d)

Prophase II

11.

What phase of Meiosis is the picture showing?

a)

Metaphase I

b)

Telophase I

c)

Anaphase II

d)

Telophase II

12.

What phase is in the picture?

a)

Telophase I

b)

Telophase II

c)

Prophase I

d)

Metaphase II

13.

What phase is shown in the picture?

a)

Prophase I

b)

Prophase II

c)

Telophase II

d)

Anaphase I

14.

What phase is in the picture?

a)

Anaphase I

b)

Anaphase II

c)

Telophase I

d)

Metaphase II

15.

What phase is in the picture?

a)

Metaphase 1

b)

Metaphase 2

c)

Prophase 1

d)

Prophase 2

16.

What phase is in the picture?

a)

Prophase 1

b)

Prophase 2

c)

Telophase 2

17.

What phase is in the picture?

a)

Anaphase 1

b)

Anaphase 2

c)

Telophase 2

18.
A human usually has ______ chromosomes in their body cells.
a)
6
b)
22
c)
4
d)
46
19.
Asexual reproduction and mitosis occur in...
a)
Body Cells
b)

Sex Cells

20.
The purpose of sexual reproduction and meiosis is to form ________ cells.
a)
body
b)
sex
c)
somatic
d)
brain
21.

What is one of the advantages, of reproducing sexually and not asexually?

a)
survival of the fittest
b)
overproduction
c)
genetic variation
d)
cloning
22.

If a body cell in a butterfly contains 24 chromosomes, a butterfly egg would contain

a)
3
b)
6
c)
12
d)
24
23.
True or False:
Organisms that use asexual reproduction produce offspring genetically identical to themselves.
a)
True
b)
False
24.

___________ reproduction has the advantage of increasing genetic variation.

a)

Sexual

b)

Asexual

c)

Fission

d)

Budding

25.

Sex cells are produced by _____________.

a)

photosynthesis

b)

zygotes

c)

meiosis

d)

mitosis

26.

Sex cells have ____________ of the DNA found in body cells.

a)

all

b)

none

c)

half

d)

a little bit

27.
The ___ is the basic unit of sturucture and function of organisms
a)
atom
b)
cell
c)
matter
d)
all other answers are correct
28.
Who looked at cork and named the cell?
a)
Robert Hooke
b)
Van Leeuwenhoek
c)
Robert Brown
d)
Francesco Redi
29.
The basic unit of structure and function in a living things.
a)
chloroplast
b)
nucleus
c)
cell
d)
cell membrane
30.
This thin layer protects the cell and regulates what substances enter and leave the cell.
a)
cell membrane
b)
cell
c)
cell wall
d)
golgi body
31.

In a plant cell, a stiff wall surrounds the membrane, giving the cell a rigid, boxlike shape?

a)

cell membrane

b)

cell

c)

ribosome

d)

cell wall

32.
These organelles capture energy from sunlight and use it to produce food for the cell.
a)
cell membrane
b)
chloroplasts
c)
cell wall
d)
ribosomes
33.
A gel-like fluid in which many different organelles are found.
a)
cell membrane
b)
nucleus
c)
organelle
d)
cytoplasm
34.
This organelle receives materials from the endoplasmic reticulum and sends them to other parts of the cell.
a)
ribosomes
b)
mitchondria
c)
cytoplasm
d)
golgi bodies
35.
Directs all the cell's activities.
a)
mitochondria
b)
chloroplasts
c)
vacuole
d)
nucleus
36.
These small structures function as factories to produce proteins.
a)
mitochondria
b)
golgi body
c)
endoplasmic reticulum
d)
ribosomes
37.
This sac with the cytoplasm stores water, food, waste, products and other materials.
a)
vacoule
b)
organelle
c)
cytoplasm
d)
cell membrane
38.
This organelle is a rigid outer layer that protects plant cells.
a)
Cell Membrane
b)
Cell Wall
c)
Nucleus
d)
Chloroplast 
39.
This organelle controls what goes in and out of plant and animal cells.
a)
Cell Wall
b)
Cell Membrane
c)
Cytoplasm
d)
Cytoplasm
40.
The _____________ stores food, water, wastes, and other materials in both plant and animal cells.
a)
Vacuole
b)
Mitochondria
c)
Ribosomes
d)
Chromatin
41.
An organelle that captures energy from the sunlight in order to use it to produce food in plant cells is ______________.
a)
Chromatin
b)
Chloroplast
c)
Cytoplasm
d)
Cell Membrane
42.
________________ create proteins for plant and animal cells.
a)
Ribosomes
b)
Endoplasmic Reticulum
c)
Golgi Bodies
d)
Lysosomes
43.
This organelle can be found inside the nucleus, and produces ribosomes.
a)
Nucleus
b)
Nucleolus
c)
New Moon
d)
New Balance Shoe
44.

Identify 9.

a)

Nucleus

b)

Mitochonidria

c)

Vacuole

d)

Cell Membrane

45.

Identify 6

a)

Nucleus

b)

Golgi Body

c)

Vacuole

d)

E.R.

46.

Identify 2

a)

Nucleus

b)

Mitochondria

c)

Vacuole

d)

E.R.

47.

Identify 5

a)

Nucleus

b)

Golgi Body

c)

Vacuole

d)

E.R.

48.

Identify 3 (dots on the E.R.)

a)

Nucleus

b)

Golgi Body

c)

Lysosomes

d)

Ribosomes

49.

Identify A.

a)

Vacuole

b)

Nucleus

c)

Ribosomes

d)

Chloroplast

50.

Is this a plant or animal cell?

a)

Plant

b)

Animal

51.

Is this a plant or animal cell?

a)

Plant

b)

Animal

52.

Identify B.

a)

Nucleus

b)

Cell Wall

c)

Vacuole

d)

Chloroplast

53.

Identify C.

a)

Nucleus

b)

E.R.

c)

Vacuole

d)

Mitochondria

54.

Identify D.

a)

Nucleus

b)

E.R.

c)

Vacuole

d)

Mitochondria

55.

Identify E.

a)

Nucleus

b)

E.R.

c)

Vacuole

d)

Mitochondria

56.

Identify F.

a)

Nucleus

b)

Cell Wall

c)

Vacuole

d)

Chloroplast

57.

Identify G.

a)

Golgi Body

b)

Cell Wall

c)

E.R.

d)

Chloroplast

58.
Which biomolecule is found in fats, oils, and waxes and is a source of long-term energy? 
a)
Proteins
b)
Nucleic Acid
c)
Lipids
d)
Carbohydrate
59.
Which biomolecule has sugars and starches?
a)
Lipids
b)
Proteins
c)
Carbohydrates
d)
Nucleic Acid
60.

Select all parts of the cell theory. (HINT: it's all of them)

a)

All living things are made of cells

b)

All cells come from pre-existing cells

c)

Cells are the basic unit of structure and function of all living things

61.
Robert Hooke, Anton van Leeuwenhoek, Theodor Schwann, Rudolf Virchow, and Matthias Schliden were all responsible for what theory?
a)
The Theory of Gravity
b)
The Theory of Relativity
c)
The Cell Theory
d)
The Theory of Continental Drift
62.
What organelle is considered to be the “gatekeeper” for plant and animal cells?

a)
Cell Wall
b)
Cytoplasm
c)
Nucleous
d)
Cell Membrane
63.
What can only be found in plant cells?
a)
Cell membrane
b)
Nucleous
c)
Chloroplast
d)
Mitochondrion
64.
Which part of the cell is often called "the brain of the cell"?
a)
nuclear membrane
b)
endoplasmic reticulum
c)
nucleus
d)
mitochondria
65.
What is the gel-like substance inside of cells called?

a)
photoplasm
b)
photosynthesis
c)
cytoskeleton
d)
cytoplasm
66.
What is the function of the cell membrane?
a)
controls what enters and exits the cell
b)
contains chlorophyll
c)
thick and rigid
67.
What organelle is called the "powerhouse" of a cell?

a)
Endoplasmic Reticulum
b)
Nucleus
c)
Mitochondria
d)
Nucleolus
68.
Using this image of a plant cell, what organelle is C?
a)
Cell Wall
b)
Mitochondria
c)
Vacuole
d)
Chloroplast
69.
Using this image of a plant cell, what organelle is F?
a)
Cell Membrane
b)
Mitochondria
c)
Vacuole
d)
Golgi Apparatus
70.
Using this image of a plant cell, what organelle is H?
a)
Cell Membrane
b)
Mitochondria
c)
Vacuole
d)
Nucleolus
71.
What is the function of the vacuole?
a)
Sac that stores water, nutrients, and waste products
b)
Sac filled with digestive chemicals
c)
Jelly-like substance within the plasma membrane
d)
The rigid surrounding of a cell that provides support
72.
What is the function of the cytoplasm?
a)
Sac that stores water, nutrients, and waste products
b)
Sac filled with digestive chemicals
c)
Jelly-like substance that holds the cell's organelles
d)
Stack of membranes that packages subatances
73.
I make proteins for the cell. What am I?
a)
ribosome
b)
mitochondria
c)
chloroplast
d)
lysosome
74.
This organelle takes food and turns it into ENERGY for plant and animal cells.
a)
Chloroplast
b)
Mitochondria
c)
Lysosome
d)
Ribosome
75.
A rigid layer that lies outside a plant cell's  membrane is...
a)
Cytoskeleton
b)
Cilia
c)
Cell Wall
d)
Flagella
76.
What is the function of the vacuole?
a)
Sac that stores water, nutrients, and waste products
b)
Sac filled with digestive chemicals
c)
Jelly-like substance within the plasma membrane
d)
stack of membranes that packages chemicals
77.
What is this organelle?
a)
mitochondria
b)
lysosomes
c)
chloroplast
d)
endoplasmic reticulum
78.
I am a protein packaging and shipping machine! Who am I?
a)
vacuole
b)
ribosome
c)
endoplasmic reticulum
d)
golgi apparatus
79.
Which of these is true about the cell wall?
a)
found only in plants
b)
contains chlorophyll
c)
produces energy
d)
acts as a storage unit
80.
What is the function of the vacuole?
a)
produces ribosomes
b)
contains genetic information
c)
stores food, water, wastes and other materials
d)
produces energy
81.
What happens inside of the nucleolus?
a)
proteins are made
b)
ribosomes are made
c)
supports the cell
d)
produces energy
82.
What is the function of the lysosomes?
a)
makes ribosomes
b)
storage for water
c)
breaks down worn out cell parts
d)
packages and sends out proteins
83.
What is the function of the Golgi apparatus?
a)
where ribosomes are made
b)
receives proteins from ER and distributes them
c)
provides support for the cell
d)
produces energy
84.
Which of these is true about the chloroplast?
a)
control center of the cell
b)
captures energy from sunlight
c)
found in plant and animal cells
d)
allows certain substances to enter the cell while keeping others out
85.
What is the function of the mitochondria?
a)
produces energy a cell needs
b)
where ribosomes are made
c)
provides support and structure for the cell
d)
acts like a storage unit
86.

The network of passageways (membranes) that helps the ribosomes make protein.

a)

endoplasmic reticulum

b)

golgi bodies

c)

vacuole

d)

cell

87.

Most of the cell's energy is produced within these organelles. This organelle is considered the "powerhouse" of the cell.

a)
ribosomes
b)
mitochondria
c)
vacuole
d)
endoplasmic reticulum
88.

Select all of the following organelles that are found in BOTH plant and animal cells.

a)

Nucleus

b)

Cell Wall

c)

Ribosomes

d)

Mitochondria

e)

Chloroplast

89.

Select all of the following organelles that are found in ONLY plant cells.

a)

Nucleus

b)

Cell Wall

c)

Ribosomes

d)

Mitochondria

e)

Chloroplast

90.

Passive Transport

a)

Does require cell energy

b)

Does NOT require cell energy

91.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
92.
When both inside and outside of a cell have the same amount of water it is said that the cell has reached a state of
a)
Osmosis
b)
Diffusion
c)
Equilibrium
93.
What is diffusion?
a)
when molecules move 
b)
when molecules move from a high concentration to a low.
c)
no movement 
d)
molecules move everywhere
94.
Osmosis is a form of ______________. 
a)
Passive Transport
b)
Active Transport
95.

Which of the following is NOT a type of passive transport?

a)

Osmosis

b)

Diffusion

c)

Endocytosis

d)

Facilitated Diffusion

96.

Which type of movement requires cellular energy?

a)

osmosis

b)

active transport

c)

diffusion

d)

facilitated diffusion

97.

What are the three types of passive transport?

HINT: No energy is used.

a)

osmosis, diffusion, active transport

b)

active transport, facilitated diffusion, osmosis

c)

diffusion, osmosis, facilitated diffusion

d)

facilitated diffusion, active transport, diffusion

98.
What type of transport is this?
a)
Endocytosis
b)
Exocytosis
c)
Diffusion
d)
Sodium-Potassium Pump
99.
What type of transport is this?
a)
Endocytosis
b)
Diffusion
c)
Exocytosis
d)
Osmosis
100.

Which type of transport uses protein channels to help the particles move across the cell membrane?

a)

endocytosis

b)

osmosis

c)

facilitated diffusion

d)

exocytosis

101.
Where, in the eukaryotic cell, is DNA located?
a)
ribosomes
b)
nucleus
c)
E.R.
d)
cytoplasm
102.
Sex cells are produced through the process of
a)
mitosis
b)
cytokinesis
c)
binary fission
d)
meiosis
103.
trait shows only if both parents pass it on
a)
recessive
b)
dominant
c)
codominan
104.
The passing of inherited traits from parents to offspring
a)
acquired traits
b)
inherited traits
c)
heredity
d)
genetics
105.
The study of Heredity
a)
science
b)
genetics
c)
english
d)
gene
106.

Organisms that always produce offspring with the same traits (like Mendel's purple and white pea plants) are known as

a)

True-breeding

b)
hybrid
c)
dominant trait
d)
recessive trait
107.

Organisms that have inherited two different forms of the same trait, one from each parent

a)
purebred
b)
hybrid
c)
dominant trait
d)
recessive trait
108.
The form of an inherited trait that masks the other form of the same trait.
a)
dominant trait
b)
recessive trait
c)
purebred
d)
hybrid
109.
The hidden form of an inherited trait
a)
dominant trait
b)
recessive trait
c)
purebred
d)
hybrid
110.

The steps commonly used by scientists in gathering information to test hypotheses and solve problems are called _____ .

a)

descriptive research

b)

pure science

c)

scientific method

d)

applied science

111.

When scientists put things into categories or group together items that are alike in some way, they are _____ .

a)

inferring

b)

prediction

c)

classifying

d)

making models

112.
Evidence is ___________________
a)
A statement or conclusion that answers a question
b)
Scientific data that supports the claim
c)
A justification that connects the claim to the evidence
d)
Not vital when using an argument
113.

A possible explanation, prediction or answer to a question is...

a)

hypothesis

b)

scientific method

c)

data

d)

first aid

114.
A series of steps used to answer questions and solve problems is called the...
a)
hypothesis
b)
scientific method
c)
data
d)
first aid
115.
Why should you study science?
a)
I have no choice.
b)
To learn about the world around me.
c)
What is science?
d)
I never study.
116.

What is science?

a)

knowledge obtained by observing natural events

b)

a system of ideas that explains many related observations

c)

a descriptive statement or equation

117.

What is a theory?

a)

educated guess

b)

possible explanation

c)

a system of ideas that explains many related observations

d)

a representation of an object or event

118.

Using one or more of your senses to gather information is called ______ .

a)

observing

b)

inferring

c)

predicting

d)

classifying

119.
Evidence is ___________________
a)
A statement or conclusion that answers a question
b)
Scientific data that supports the claim
c)
A justification that connects the claim to the evidence
d)
Not vital when using an argument
120.

The thing you measure in an experiment is the _____ variable

a)

Dependent

b)

Independent

c)

Control

d)

Measuring

121.

The things you keep the same in an experiment are the _______ variables.

a)

Independent

b)

Dependent

c)

Control

d)

Same

122.

The thing you change in an experiment is the _______ variable

a)

Independent

b)

Dependent

c)

Control

d)

Changing

123.

An explanation that is supported by a lot of evidence is a scientific

a)

Theory

b)

Hypothesis

c)

Guess

d)

Joke

124.
Which of the following statements is not part of the cell theory?
a)
Cells are the basic unit of structure and function in all living things.
b)
All cells are produced from other cells.
c)
Only animal cells are composed of cells.
d)
All living things are composed of cells.
125.
The invention of the microscope made it possible for people to discover and learn about
a)
Plants
b)
Skin 
c)
Animals 
d)
Cells
126.
What is one way in which all living things on Earth are alike?
a)
All living things have hair.
b)
All living things are made of cells and come from other cells.
c)
The cells of all living things have chloroplast.
d)
All living things can move. 
127.
What structures distinguish a plant cell from an animal cell?
a)
Plant cells have cell walls and ribosomes.
b)
Plant cells have cell walls and chloroplasts.
c)
Plant cells have chloroplasts and ribosomes.
d)
Plant cells have chloroplasts and mitochondria.

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