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Semester 2 Review Practice Gen

Total questions: 75

Worksheet time: 51mins

Name
Class
Date
1.
Why would it be important to replicate DNA before a cell divides in mitosis or meiosis?
a)
In order for genetic information to be transferred into daughter cells.
b)
In order for the cell to be able to increase in size.
c)
In order for the DNA to be contained in the nucleus.
d)
In order for the cell to re-order the DNA sequencing in the new cells.
2.

The end of mitosis results in  ____ to each other.

a)

2 cells that are identical

b)

4 cells that are identical

c)

2 cells that are not identical

d)

4 cells that are not identical

3.
The end of meiosis results in  ____ to each other.
a)
2 cells that are identical
b)
4 cells that are identical
c)
2 cells that are not identical
d)
4 cells that are not identical
4.

Reorder the phases of mitosis

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

1)
2)
3)
4)
5.
What are chromosomes?
a)
different versions of genes
b)
condensed DNA 
c)
uncoiled DNA
6.

A chromosome is composed of two identical sister

a)

centromeres

b)

chromatids

c)

autosomes

d)

somatic cells

7.

During meiosis, if an organism has 10 chromosomes, how many will the new daughter cells have?

a)

10

b)

8

c)

5

d)

2

8.

During mitosis, if an organism has 10 chromosomes, how many will the new daughter cells have?

a)

10

b)

8

c)

5

d)

2

9.

In which phase of meiosis does the chromosome number change from diploid to haploid?

a)

prophase I

b)

anaphase I

c)

prophase II

d)

anaphase II

10.

Select the image that represents meiosis:

a)
b)
11.

Who is considered the "father" of modern genetics?

a)

Einstein

b)

Mendel

c)

Disney

d)

Washington

12.
What type of "square" helps us solve genetic problems?
a)
carpenter square
b)
Mendel square
c)
Punnett square
d)
genetic square
13.
If "T" is the allele for tall and "t" is the allele for short, then Tt would produce?
a)
tall
b)
short
c)
medium
d)
not enough info
14.

Which of the following units are repeatedly joined together to form a strand of DNA?

a)

Amino Acids

b)

Nucleotides

c)

Fatty Acids

d)

Polysaccharides

15.

What does DNA stand for?

a)

Deoxyribonucleic acid

b)

Denitrogenous acid

c)

Deribonucleic acid

d)

Diribonucleic acid

16.

What is a mutation?

a)

Adenine

b)

a change/mistake in DNA

c)

a copy of the original DNA

d)

Guanine

17.

What did Rosalind Franklin,Maurice Walkins, James Watson,Francis Crick discover?

a)

DNA is the main component of a gene

b)

DNA is found in cells

c)

DNA consists of a double helix structure

d)

DNA is made up of 4 bases

18.
Two or more bones comes together at a/an?
a)
flexor
b)
melanin
c)
pore
d)
joint
19.
These blood vessels carry blood TO the heart?
a)
Arteries
b)
Veins
c)
Capillaries
d)
Lymph
20.
What are the two MAIN divisions of the nervous system?
a)
Central and peripheal
b)
Autonomic and somatic
c)
Parasympathetic and sympathetic
d)
Large and small
21.
Which are the three different types of muscle tissue?
a)
smooth, cardiac, spongy
b)
skeletal, smooth, rough
c)
smooth, skeletal, cardiac
d)
skeletal, granular, smooth
22.
Which are parts of the digestive system
a)
mouth and lungs
b)
mouth and teeth
c)
mouth and brain
d)
mouth and arm
23.
Which system protects to the cardiovascular system?
a)
skeletal
b)
nervous
c)
digestive
d)
circulatory
24.
What is the main function of the nervous system?
a)
clean waste from the cells
b)
absorb nutrients for energy
c)
deliver messages to the brain 
25.
Which is a major organ of the circulatory system?
a)
brain
b)
heart
c)
kidney
d)
stomach
26.
Besides the circulatory system, which system removes waste from the body?
a)
respiratory system
b)
skeletal system
c)
digestive system
d)
nervous system
27.

In this scenario, African wildebeests migrate across grasslands. What might cause them to migrate farther than normal?

a)

A drought.

b)

Nothing.

c)

Too much water.

d)

Too much grass.

28.

What might happen if an organism is unable to adapt to its ecosystem?

a)

They might become extinct.

b)

They will survive anyway.

c)

Nothing/

d)

All of the above.

29.
Predict which moth would increase in population
a)
light 
b)
dark
30.
Part of the cell that controls what comes in and out of the cell is called the __.
a)
cell wall
b)
cell membrane
c)
nucleus
d)
mitochondria
31.
A jellylike substance that fills up the inside of a cell.
a)
Jello
b)
Vacuole
c)
Cytoplasm
d)
Gushers candy
32.
The powerhouse of the cell is the...
a)
Mitochondrion
b)
Golgi body
c)
Nucleus
d)
Ribosomes
33.

Rainforests get lots of....

a)

snow

b)

rain

c)

animals

d)

tornados

34.

The aquatic biome is split into two main types, what are they?

a)

Saltwater and Freshwater

b)

Cold water and Hot water

c)

Artic water and Grassland water

d)

Slushy water and Soda Water

35.

What does biology study?

a)

the earth

b)

chemical reactions

c)

living things

36.
Which best explains why children resemble their parents?
a)
they eat same foods
b)
they have similar DNA
c)
they speak the same language
d)
they have the same interests
37.

Which term describes the different forms of a gene

a)

Chromosome

b)

Allele

c)

DNA

d)

Punnett Squares

38.

Aa, DD, Bb, yy are all examples of _______

a)

genotypes

b)

phenotypes

39.

If something is homozygous, it can also be called____

a)

phenotype

b)

genotype

c)

hybrid

d)

purebred

40.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
41.
Which of the following is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
42.
Which of the following is an example of phenotype?
a)
bb
b)
blue eyes
43.

Which body system protects the organs of the body?

a)

digestive

b)

respiratory

c)

skeletal

d)

muscular

44.

This organ is part of the digestive system.

a)

lung

b)

heart

c)

brain

d)

stomach

45.

What is the function of the respiratory system?

a)

To digest your food

b)

To remove waste from the body

c)

To take in oxygen and remove carbon dioxide

d)

To fight disease

46.

What is the function of the digestive system?

a)

It transports blood and oxygen to your cells

b)

It breaks down food so the nutrients can be absorbed by your body

c)

It helps you breathe by taking in oxygen and transporting carbon dioxide out of your body

d)

It helps you move

47.

Which system in the human body includes the heart, blood, arteries, and veins?

a)

cardiovascular

b)

muscular

c)

digestive

d)

respiratory

48.

Which two body systems work together to support the body and allow the body to move?

a)

circulatory and respiratory

b)

digestive and nervous

c)

skeletal and muscular

d)

circulatory and digestive

49.
This system receives and proccesses information.
a)
respiratory
b)
immune
c)
nervous
d)
endocrine
50.
This system secretes chemical messages (hormones) to different parts of the body.
a)
excretory
b)
endocrine
c)
digestive
d)
immune
51.

Which of the following is a component of the circulatory system?

a)

heart

b)

blood vessels

c)

blood

d)

all answers

52.
Which of the following is a function of both the excretory system and the digestive system? 
a)
regulating metabolism 
b)
eliminating wastes 
c)
regulating other organ systems 
d)
maintaining homeostasis 
53.
From the smallest functional units to the largest, the body is organized as follows: 
a)
cell, system, organ, tissue, body. 
b)
organ, cell, tissue, system, body. 
c)
system, organ, tissue, cell, body. 
d)
cell, tissue, organ, system, body. 
54.
What function do the endocrine system and nervous system have in common?
a)
Both relay messages to cells throughout the body.
b)
Both produce electrical signals that are carried by neurons
c)
Both produce hormones which are chemical messengers
d)
both remove wastes and toxins from the body
55.
A woman running in a marathon requires a constant supply of oxygen to her muscles.Which cells carry oxygen to muscle tissue?
a)
nerve cells
b)
lung cells
c)
red blood cells
d)
artery cells
56.

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

57.

Which cell contains Chloroplasts?

a)

Animal

b)

Plant

58.

what is the function of ribosomes

a)

to assemble amino acids to create proteins

b)

to pack proteins

c)

to clean proteins

59.

The control center of cell is

a)

the nucleus

b)

ribosomes

c)

chromatin

60.

Reorder the following

a)

organism

b)

species

c)

community

d)

ecosystem

e)

biosphere

1)
2)
3)
4)
5)
61.

Select all that are biotic

a)

Tall bluestem grass

b)

Post Oak Tree

c)

Red Tailed Hawk

d)

Average temperature 94 degrees

e)

6-8 inches of rainfall/year

62.

Air

a)

Biotic

b)

Abiotic

63.

A cactus

a)

Biotic

b)

Abiotic

64.

Define abiotic

a)

bacteria

b)

Things in your front yard

c)

Living things

d)

Non-living things

65.

Define biotic

a)

living plants

b)

living animals

c)

living things

d)

things in your backyard

66.

Which are abiotic factors in this environments?

a)

Water

b)

Deer

c)

Grass

d)

Dirt

67.

Something that grows and makes more of itself

a)

Living

b)

Nonliving

68.

Something that cannot grow or make more things like itself

a)

Living

b)

Nonliving

69.

Who developed the theory of evolution?

a)

Charles Darwin

b)

Mike Tyson

c)

George Washington

d)

Patton Manning

70.

Where did Charles Darwin travel while developing this theory?

a)

Galapagos Islands

b)

Philippines

c)

Channel Islands

d)

Hawaiian Islands

71.

Example of a survival trait is... (more than 1 answer)

a)

something that helps an organism EAT

b)

something that helps an organism escape predators

c)

something that helps an organism mate

d)

something that helps an organism die

72.

When organisms are better adapted to their environment they will survive and produce more offspring. This process is called what?

a)

Selective breeding

b)

Natural Selection

c)

Cloning

d)

Evolution of all species

73.

A physical or behavioral trait that helps an organism survive and reproduce in its environment is called a what?

a)

An adaptation

b)

A response to a stimulus

c)

A mutation

d)

Evolution

74.

What animal did Darwin bring back from the Galapagos to study?

a)

finches

b)

turtles

c)

fish

d)

iguanas

75.

Where does the sun go on this chart?

a)

at the very bottom

b)

at the top

c)

in the middle

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