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Biology 1 Semester 2 Review

Total questions: 80

Worksheet time: 57mins

Name
Class
Date
1.

What system helps deliver nutrients and oxygen to all of your body cells?

a)

Circulatory

b)

Respiratory

c)

Digestion

d)

Excretory

2.

What system supports and protects your internal organs?

a)

Muscular

b)

Digestive

c)

Excretory

d)

Skeletal

3.

Which two body systems are working together to make this type of physical movement from the basketball player?

a)

Circulatory and Excretory

b)

Skeletal and Muscular

c)

Nervous and Digestive

d)

Respiratory and Skeletal

4.

What system eliminates non solid waste from the body?

a)

Integumentary

b)

Digestive

c)

Excretory

d)

Respiratory

5.

What is the function of this system?

a)

Gets rid of carbon dioxide waste

b)

Produces movement

c)

Protects your body from infections

d)

It gathers information and responds to the information

6.

What system gathers information and responds to that information? Ex: Touching something that is hot and quickly pulling your hand away.

a)

Skeletal

b)

Muscular

c)

Integumentary

d)

Nervous

7.

Which two body systems deliver oxygen to your cells and take away carbon dioxide?

a)

Respiratory and Nervous

b)

Circulatory and Nervous

c)

Circulatory and Excretory

d)

Respiratory and Circulatory

8.

All your body systems work together to maintain a stable environment which is called __________________.

a)

Hydration

b)

Regular

c)

Gucci

d)

Homeostasis

9.

What does a punnet square show us?

a)

The age of the offspring

b)

The chance of a genotype (trait) showing up in offspring

c)

Numbers

d)

Blue eyes

10.

Which is Heterozygous?

a)

Tt

b)

BB

c)

ff

d)

Dominant

11.

Which is homozygeous?

a)

Tt

b)

BB

c)

Ff

d)

Blue

12.

What are the chances that the offspring will have homozygous recessive traits?

a)

1 in 4

b)

3 out of 4

c)

75%

d)

50%

13.

What is the dominant trait here?

a)

Bb

b)

Recessive eyes

c)

Blue eyes

d)

Brown eyes

14.

If the father's genotypes are SS and the mothers are ss, the offspring will have:

a)

All Ss

b)

Half will be SS, half ss

c)

Mostly SS

d)

Only recessive genes

15.
What allele combination should go in the missing box?
a)
AA
b)
Aa
c)
aa
d)
none of these
16.
What is a phenotype
a)
The genetic make up (code)
b)
The physical trait
17.
What are the nucleotides made of?
a)
Sugar, Phosphate, nitrogen base
b)
Phosphate, Adenine, nitrogen base
c)
Thymine, Adenine, Cytomine
d)
Phosphate, Nitrogen, Adenine
18.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
19.
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
20.
What are the 4 nitrogen bases?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine cytosine, and guanine
c)
adenine, thymine, cytosine, and gylcerol
d)
adenine, thymine, cytosine, and glucose
21.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
22.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
23.
Which 2 molecules forms the sides (backbone) of the DNA ladder?
a)
deoxyribose and adenine
b)
deoxyribose and a hydrogen bond
c)
sugar and the nucleus
d)
deoxyribose (sugar) and phosphate
24.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
25.
What is a gene?
a)
A bundle (like a hot dog bun) that the DNA is packed into
b)
something inside the nucleus
c)
a piece of DNA
d)
all of your DNA
26.

Bundled up, organized DNA is called a

a)

gene

b)

trait

c)

chromosome

d)

nucleotide

27.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
28.
The two strands of nitrogenous bases in DNA are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
29.
Identify #2.
a)
nitrogen base
b)
phosphate group
c)
deoxyribose sugar
d)
nucleotide
30.
The molecule pictured is a monomer of _______.
a)
RNA
b)
DNA
c)
a carbohydrate
d)
a protein
31.
How does RNA differ from DNA?
a)
RNA contains uracil and deoxyribose
b)
RNA contains ribose and thymine
c)
RNA contains uracil and ribose
d)
RNA contains adenine and ribose
32.
How would the DNA sequence GCTATA be transcribed to mRNA?
a)
GCUAUA
b)
CGATAT
c)
CGAUAU
d)
GCUTUT
33.
The process by which the genetic code of DNA is copied into a strand of RNA is called
a)
translation
b)
transcription
c)
transformation
d)
replication
34.
Which of the following describes RNA?
a)
RNA is usually double-stranded and contains the base thymine
b)
RNA is usually single-stranded and contains the base uracil
c)
RNA is longer than DNA and uses five bases to encode information
d)
RNA is made in the nucleus of eukaryotic cells and stays there to carry out its functions
35.
Changes is DNA sequences that affect genetic information are known as
a)
replications
b)
mutations
c)
transformations
d)
translations
36.

In what process is mRNA synthesized?

a)

Transcription

b)

Translation

c)

DNA Replication

d)

Mitosis

37.

Where does TRANSCRIPTION occur?

a)

Nucleus

b)

Ribosome

c)

Cytoplasm

d)

Mitochondria

38.

How many codons equals 1 amino acid?

a)

1

b)

2

c)

3

d)

4

39.

Where is the anticodon located?

a)

at the top of the molecule it's found on

b)

at the bottom of the molecule it's found on

c)

on the right of the molecule it's found on

d)

on the left of the molecule it's found on

40.

What is the purpose for anti-codons?

a)

to ensure the correct amino acid is dropped off

b)

to match the strand of DNA

c)

to decode a sequence of 4 nucleotides into an amino acid

d)

to make me hate biology

41.

A polypeptide is a sequence of ____________________ held together by a ______________ bond.

a)

amino acids; peptide

b)

fatty acids; ionic

c)

proteins; hydrogen

d)

fatty acids; covalent

42.
Does the order of amino acids in a protein matter?
a)
YES!
b)
NO!
43.
What is the mode of inheritance shown here?
a)
Autosomal Recessive
b)
Autosomal Dominant
c)
Sex Linked
44.
Freckles (F) are dominant over nonfreckles.   What is the phenotype of individual #3
a)
Ff
b)
ff
c)
freckles 
d)
nonfreckles 
45.
Which of the following combinations of sex chromosomes represent a female?
a)
XY
b)
XXY
c)
XX
46.
How many affected females are present? 
a)
1
b)
2
c)
3
d)
4
47.
How many offsprings did generation 2 have? 
a)
5
b)
8
c)
9
d)
10
48.
How many Homozygous Dominant males are present? 
a)
2
b)
4
c)
6
d)
8
49.

There are 3 types of RNA. What are they? (Select all that apply)

a)

tRNA

b)

rRNA

c)

mRNA

d)

xRNA

50.

In RNA the base T is replaced with

a)

U

b)

G

c)

C

d)

A

51.

What is the order for Protein Synthesis?

a)

Transcription -> Translation -> Protein

b)

Translation - > Transcription -> Protein

c)

Protein -> Transcription -> Translation

d)

Translation -> Protein -> Transcription

52.

Carries the amino acid used to make a protein

a)

mRNA

b)

rRNA

c)

tRNA

53.

Factory for making a protein

a)

mRNA

b)

rRNA

c)

tRNA

54.

This image shows a picture of a ribosome - what type of RNA is this?

a)

rRNA

b)

mRNA

c)

tRNA

55.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
56.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
57.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
58.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
59.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
60.
What is photosynthesis?
a)
The process in which humans eat their food
b)
When a photographer takes a photo.
c)
To get your pictures from the photo lab.
d)
The process in which plants make their food.
61.
Leaves look green because.....
a)
they eat their vegetables
b)
to blend into their environment
c)
they contain a molecule named chlorophyll
d)
they are sick
62.
Which of the following is not needed for photosynthesis to occur?
a)
sunlight
b)
carbon dioxide
c)
water
d)
oxygen
63.
What is one of the reactants of cellular respiration?
a)
energy
b)
glucose
c)
carbon dioxide
d)
water
64.
Aerobic respiration is different from anaerobic respiration in that aerobic respiration needs...
a)
chlorophyll
b)
carbon dioxide
c)
glucose
d)
oxygen
65.
Where does the Krebs Cycle take place?
a)
mitochondria
b)
chloroplast
c)
cytoplasm
d)
nucleus
66.
Where does glycolysis take place?
a)
Cytoplasm
b)
Stroma
c)
Thylakoid
d)
Mitochondria
67.
What are the Abiotic factors in this image? 
a)
water, sunlight, dirt, air
b)
birds and plants
c)
birds, water, dirt
d)
plants, water
68.
Angel was trying to explain carrying capacity to her mother.  Which of the following descriptions is accurate? Carrying capacity is :
a)
the maximum number of individuals that an ecosystem can sustain. 
b)
 the ability of an environment to accommodate a growing population. 
c)
the greatest number of individuals that an area can sustain over the long term. 
d)
the maximum number of species that can co-exist in an area. 
69.
 Jenn is studying a population of fish found in a pond that has a decreasing carrying capacity.  Which of the following factors would not decrease the carrying capacity of her fish? 
a)
drought
b)
flooding
c)
food shortages 
d)
 a freeze  
70.
A population is...
a)
A group of one species in one area
b)
Multiple species that live in one area
c)
All of the living and nonliving things in an area
d)
None of these
71.
What will happen to the population when the birth rate is larger than the death rate?
a)
grow
b)
shrink
c)
stay the same
72.
diagram that shows the age and male/female distribution of a population, where the youngest are at the base and the oldest at the top
a)
dependent population
b)
population pyramid
c)
food pyramid
d)
population density distribution
73.
This system secretes chemical messages (hormones) to different parts of the body.
a)
excretory
b)
endocrine
c)
digestive
d)
immune
74.
This system is the body's defense against attack.
a)
endocrine
b)
excretory
c)
muscular
d)
immune
75.
Which system provides nutrients to the body?
a)
circulatory
b)
nervous
c)
digestive
d)
skeletal
76.

The trait that will be expressed only if two copies of the allele are present.

a)

recessive

b)

dominant

c)

co-dominant

77.

Being able to roll the tongue is a dominant trait (T). Not being able to roll the tongue is a recessive trait (t). A persons genes are TT. Which trait would they have?

a)

Able to roll the tongue

b)

Not able to roll the tongue

c)

Can't tell

78.

A child has blue eyes, but both of her parents have brown eyes. What are the genes for each person?

a)

She's adopted; a child can't have a different trait from their parent

b)

Child = BB; Mom = BB; Dad = BB

c)

Child = bb; Mom = BB; Dad = Bb

d)

Child = bb; Mom = Bb; Dad = Bb

e)

Child = BB; Mom = Bb; Dad = Bb

79.

A mutation can occur if a base pair is ____________, deleted, or substituted for another.

a)

modified

b)

added

c)

transferred

80.

In order for offspring to get a genetic mutation, the mutation must occur in what type of cell?

a)

Cells with no nucleus.

b)

Any body cell after birth.

c)

Cells with no cell wall or cell membrane.

d)

Cells like eggs or sperm cells that are undergoing reproduction.

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