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IGNITE 9 Biology body systems practice test

Total questions: 78

Worksheet time: 3hrs 36mins

Name
Class
Date
1.
What are the four nitrogen bases?
a)
adenine, thymine, guanine, cytosine
b)
adenine, lysine, prolene, guanine
c)
arganine, cytosine, lysine, purine
d)
lysine, cytosine, lucine, guanine
2.
What are the building blocks for DNA?
a)
carbohydrates
b)
nucleotides
c)
lipids
d)
proteins
3.
Traits that are passed from generation to generation are called ____________________
a)
Excited Traits
b)
Inherited Traits
c)
Inclined Traits
d)
Special Traits
4.
The rules of DNA pairing states that Cytosine (C) always pairs up with
a)
Thymine
b)
Cytosine
c)
Adenine
d)
Guanine
5.
What is a DNA molecule made of?
a)
Base, sugar, phosphate
b)
Base, sugar, coffee
c)
Base, roof, height
d)
DNA, sugar, phosphate
6.
If we think of DNA as a ladder, which parts are the sides of the ladder?
a)
the nitrogenous base pairs
b)
the phosphate-sugar backbone
c)
the genes
d)
the phospholipid bilayer
7.
What are small stretches of DNA that code for traits
a)
Nucleus
b)
Chromosomes
c)
Gene
d)
Centromeres
8.

How many base pairs are in an entire human genome?

a)

300, 000, 000

b)

3, 000, 000, 000

c)

3, 000, 000

d)

3, 000

9.
One form of a gene is called_______________
a)
a DNA
b)
a Phenotype
c)
a trait
d)
an allele
10.

What is the function of the X and Y chromosomes?

a)

Eye colour

b)

Hair colour

c)

Height

d)

Sex

11.

Tall (T) is dominant over dwarf (t) in a species of plant. A tall plant has an unknown genotype. Which plant should it be crossed with to ascertain this?

a)

TT

b)

Tt

c)

tt

12.

A brown eyed man of genotype Bb marries a blue eyed woman. What is the chance that their third child is brown eyed?

a)

25%

b)

50%

c)

75%

d)

100%

13.

A rose species has color which is determined by alleles R and r. A genotype of RR will give rise to red coloration, while rr gives rise to white coloration. Which of the statements is false?

a)

The alleles R and r are different forms of a gene.

b)

A gene is made up of proteins.

c)

A gene consists of a DNA sequence.

d)

The heterozygous genotype will have a phenotype of red.

14.

Somatic cells have 46 chromosomes. A boy's somatic cells would have ______

a)

46 identical chromosomes of identical length.

b)

46 chromosomes of varying length.

c)

22 pairs of different chromosomes, but each pair is of the same length; one X and one Y chromosome.

d)

22 pairs of different chromosomes, but each pair is of the same length; and two X chromosomes.

15.

A dominant trait expresses itself

a)

only in homozygous genotypes

b)

only in heterozygous genotypes

c)

both in homozygous and heterozygous genotypes

16.

A recessive trait expresses itself

a)

only in homozygous genotypes

b)

only in heterozygous genotypes

c)

in both homozygous and heterozygous genotypes

17.

When a plant with red flowers (CRCR) is crossed with a plant that has white flowers ( CWCW), the resulting offspring has pink flowers ( CRCW). If two pink flowers are crossed, what is the probability of having a pink flower?

a)

A. 0%

b)

B. 25%

c)

C. 50%

d)

D. 75%

18.
What percentage of the offspring will have this recessive disease?
a)
0%
b)
25%
c)
50%
d)
75%
19.
All foreign materials that cause a response from the immune system are called _____________________.
a)
Antigens
b)
Active Immunity
c)
Antibodies
d)
Antibiotics
20.
Proteins produced by B cells and designed to mark antigens to be destroyed, specific to the antigen.
a)
Antigens
b)
Active Immunity
c)
Antibodies
d)
Antibiotics
21.
Which of the following is a non-specific response?
a)
Fever
b)
Red, itchy eyes that may be crusted shut
c)
Signs that is related to one antigen
22.
First recognizes foreign body and eats it and displays it to the other cells
a)
Macrophage
b)
T Cells
c)
B Cells
23.
What do B cells produce?
a)
antigens
b)
macrophages
c)
T cells
d)
antibodies
24.

After an initial infection, B-cells recognize the measles virus. How is this helpful in human immune response?

a)

The B-cells use this recognition to defend the body against other pathogens, such as bacteria.

b)

The B-cells more quickly recognize and respond to any other virus that invades the body.

c)

The B-cells produce antibodies more quickly if the measles virus is encountered again.

d)

The B-cells transfer this recognition to T-cells, which will then devour the viruses.

25.

What chemical is released when a foreign body penetrates the skin?

a)

adrenaline

b)

histamine

c)

seratonin

d)

teatree

26.

What do phagocytes do?

a)

make antibodies

b)

act as memory cells

c)

kill pathogens indiscriminately

d)

target specific pathogens to kill

27.
Bacteria that are harmful to people are called _____.
a)
Pathogen
b)
Lymph Nodes
c)
Macrophages
d)
T Cells 
28.
Which of the following is the body’s first line of defense against disease?
a)
vaccines
b)
white blood cells
c)
antibodies
d)
skin
29.
How do phagocytes kill pathogens?
a)
By consuming them
b)
By wrapping them up in protein strings
c)
By releasing antigens
d)
By ANY MEANS NECESSARY 
30.

Herd immunity protects populations because...

a)

herds of cows prevent infection

b)

of the herd, man.

c)

A low number of people in the population are protected by vaccination, this means that the disease easily spreads.

d)

a significant amount of the population is protected through vaccination against a virus or bacteria making it difficult for a disease to spread because there are so few susceptible people left to infect

31.

Which of the following is NOT a type of muscle?

a)

smooth

b)

rough

c)

cardiac

d)

skeletal

32.

What is it called where two or more bones connect

a)

Joint

b)

Tendon

c)

ligaments

d)

cartilage

33.

Which part of the skeletal system protects the heart and lungs?

a)

cranium/skull

b)

pelvis

c)

scapula

d)

ribs

34.

This is a tissue that connects the ends of bones together to form a joint...joins bone to bone

a)

tendon

b)

nerve

c)

epithelial

d)

ligament

35.

Muscles that you have NO conscious control over, such as the muscles that line the digestive system, are classified as ___________.

a)

voluntary

b)

involuntary

c)

skeletal

d)

cardiac

36.

The type of involuntary muscle that lines the heart is the ___________ muscle.

a)

skeletal

b)

cardiac

c)

smooth

d)

bicep

37.

This type of voluntary muscle is responsible for the movement of the skeleton.

a)

skeletal

b)

cardiac

c)

smooth

d)

heart

38.

This tough band of connective tissue connects muscles to bones.

a)

ligament

b)

tendon

c)

cartilage

d)

femur

39.

The skeletal system has several jobs. Select one of the following that describe its jobs.

a)

send messages between the brain and the body

b)

provides a framework for the body

c)

creates hormones

d)

identifies and acts upon germs and bacteria that invade the body

40.

The skeletal system has several jobs. Select one of the following that describe its jobs.

a)

send messages between the brain and the body

b)

makes red blood cells and stores minerals

c)

creates hormones

d)

carries blood through out the body

41.
A ______ is a strong connective tissue that attaches muscle to bone.
a)
Tendon
b)
Ligament
c)
Cartilage
42.

fibers that contract/relax very quickly

a)

voluntary

b)

involuntary

c)

fast twitch

d)

slow twitch

43.

muscles that contract/relax more slowly

a)

fast twitch

b)

slow twitch

c)

involuntary

d)

voluntary

44.
What would the predominant muscle fibre type be for this athlete?
a)
Slow Twitch
b)

Fast Twitch

c)
Combination of Slow and Fast
45.
What would the predominant muscle fibre type be for this athlete?
a)
Slow Twitch
b)
Fast Twitch A
c)
Fast Twitch B
d)
Combination of Fast A and Fast B
46.
What is A?
a)
pancreas
b)
mouth
c)
gullet
d)
liver
47.
What is C?
a)
pancreas
b)
gall bladder
c)
liver
d)
rectum
48.
What is D?
a)
pancreas
b)
gall bladder
c)
liver
d)
large intestine
49.
What is E?
a)
pancreas
b)
gall bladder
c)
liver
d)
large intestine
50.
What is F?
a)
pancreas
b)
gall bladder
c)
liver
d)
stomach
51.
What is G?
a)
pancreas
b)
small intestine
c)
liver
d)
large intestine
52.
What is H?
a)
pancreas
b)
small intestine
c)
liver
d)
large intestine
53.
What is I?
a)
pancreas
b)
rectum
c)
gall bladder
d)
anus
54.
What is J?
a)
pancreas
b)
rectum
c)
gall bladder
d)
anus
55.
Tube that carries swallowed food to the stomach
a)
esophagus
b)
liver
c)
pancreas
d)
rectum
56.
What is the Nephron?
a)
Causes buildup in the stomach acid
b)
Regulates the concentration of water and soluble substances by filtering the blood
c)
Creates muscular contractions to move the food
57.

The process by which nutrient molecules pass through the wall of your digestive system into your blood.

a)

absorption

b)

digestion

c)

peristalsis

d)

villi

58.

finger-like projections in the small intestine that absorb nutrients

a)

digestion

b)

absorption

c)

peristalsis

d)

villi

59.

Amylase in saliva changes starch into...

a)

sugar

b)

waste

c)

stomach acid

d)

chyme

60.

mechanical digestion happens here

a)

stomach

b)

liver

c)

esophagus

d)

pancreas

61.

chemical digestion happens here

a)

stomach

b)

liver

c)

pancreas

d)

large intestine

62.

Parts of the small intestine after the duodenum is known as

a)

Jejunum

b)

Lipase duodenum

c)

Amylase duodenum

d)

Lipase ileum

63.

Which part of the small intestine joins the large intestine?

a)

Ileum

b)

Duodenum

c)

Jejunum

64.

The small intestine is subdivided into three segments. Which of the following is the correct sequence regarding the passage of food through the small intestine?

a)

Duodenum, ileum, jejunum

b)

Duodenum, jejunum, ileum

c)

Jejunum, duodenum, ileum

d)

Ileum, jejunum, duodenum

65.
What organ is D pointing to?
a)
Ureters
b)
Bladder
c)
Urethra
d)
Kidney
66.
What organ is C pointing to?
a)
Ureters
b)
Bladder
c)
Kidney
d)
Urethra
67.
Which excretory organ filters the blood to remove excess water, urea, and cell wastes?
a)
Kidney
b)
Bladder
c)
Urethra
d)
Ureters
68.
What organ is B pointing to?
a)
Kidney
b)
Urethra
c)
Ureter
d)
Bladder
69.
Blood flows into the kidney along the:
a)
Renal Venule
b)
Renal Artery
c)
Glomerulus
d)
Hepatic Artery
70.
Mammals get rid of Nitrogenous waste by producing:
a)
Urea
b)
Ammonia
c)
Uric Acid
d)
NO2 gas
71.
What is the main function of the excretory system?
a)
to collect and remove wastes from the body
b)
to strengthen skeletal muscles
c)
to protect the nervous system
d)
to bring oxygen to body cells
72.
What function do the kidneys perform?
a)
eliminate carbon dioxide
b)
supply oxygen to body cells
c)
remove urea and excess water
d)
play a role in gas exchange
73.
These organs are responsible for what?
a)
storing urine
b)
storing water
c)
filtering blood
d)
they don't have a particular job 
74.

What are kidney stones?

a)

crystallized bile

b)

crystallized urine

c)

crystallized saliva

75.

What structure in the kidneys filters the blood?

a)

Ureters

b)

Nephrons

c)

Bladder

d)

Urethra

76.

A _________ is DNA tightly coiled around proteins.

a)

gene

b)

chromosome

c)

trait

d)

mutation

77.

Chromosomes that are organized in pairs, are the same size, and have the same genes are called _______ chromosomes.

a)

homeostasis

b)

homologous

c)

matching

d)

sister

78.

How many chromosomes do we get from each parent?

a)

12

b)

23

c)

46

d)

78

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