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HAEC Biology combined Paper 1 Revision

Total questions: 101

Worksheet time: 51mins

Name
Class
Date
1.

Explain fully why antibiotics cannot be used to cure viral diseases

a)

viruses live inside cells

b)

viruses inaccessible to antibiotic

c)

Viruses have mutations that mean they are immune to antibiotics

d)

Viruses are killed by Fungicides

2.

Pathogens can be spread by drinking contaminated water or eating raw or undercooked food.

a)

Yes, this is true

b)

No, this is not true

3.

Antibiotics are used to treat which diseases?

a)

bacterial

b)

viral

c)

cardiovascular

4.

Which organ is damaged due to tuberculosis?

a)

heart

b)

brain

c)

lungs

d)

large intestine

5.

One characteristic that distinguishes a virus from a bacteria is that a virus

a)

can be treated with an antibiotic

b)

can NOT be treated with antibiotics

c)

is not curable

d)

naturally occurs on our skin

6.
What pathogen causes influenza (the Flu)
a)
Bacteria
b)
Virus
c)
Protozoa
d)
Fungi
7.
What is formed from the dried out clot?
a)
a scar
b)
a scab
c)
a slab
d)
a scam
8.

Pathogens that have managed to get into the body are destroyed by...

a)

T-cells

b)

B-cells

c)

mast cells

d)

phagocytosis

9.

What is an immune response to a harmless substance?

a)

Fever

b)

Vaccine

c)

Allergy

d)

Immune deficiency

10.

What cells are produced by White blood cells in response to a vaccination?

(More than 1 correct response)

a)

Antibodies

b)

Memory cells

c)

Clones of the lymphocyte which produces the matching antibodies

d)

Antigens

11.

Select all of the statements which describe what a vaccine may contain

a)

Antigens from the pathogen

b)

Inactivated pathogens

c)

Parts of the antigens from a pathogen

d)

Live pathogens

12.

What attaches to antigens and tags the pathogen for destruction?

a)

Antibodies with a shap that is not the same as the antigen of the pathogen

b)

B cells

c)

antibodies with a shape complimentary to the shape of the antigen

d)

lymphocytes

13.

How do memory cells provide immunity following a vaccine?

a)

They produce antigens very quickly if the pathogen enters the body

b)

The produce large numbers of the specific antibody very quickly if the pathogen enters the body

c)

They produce some specific antibodies very quickly if the pathogen enters the body

d)

They produce large numbers of the specific antigen if the pathogen enters the body

14.

Phagocytes (The ones that "eat" the pathogen)

a)

Type of white blood cell that engulfs pathogens

b)

Type of white blood cell that produces antibodies and antitoxins

c)

Type of red blood cell that fights infections

d)

Macrophages, neutraphils, eosinophils and basophils

15.

Vectors are responsible for

a)

Malaria

b)

black death

c)

Zika

d)

Cholera

16.

Insects that carry disease causing microorganisms are called

a)

Pathogens

b)

Vectors

c)

Bacteria

d)

Viruses

17.
What is hygiene?
a)
Doing the dab
b)
Practice to maintain health and prevent sickness, through cleanliness
c)
Playing soccer for three days
18.

What are the three sides to your health triangle, the three facets of health?

a)

Social - Mental/Emotional - Grades

b)

Social - Mental/Emotional - Physical

c)

Social - Mental/Emotional - Family

d)

Social - Mental/Emotional - School

19.

Which drescription matches Phase I in the drug development process?

a)

Studies on animals

b)

Large scale study in people with the target disease

c)

Small scale study in healthy volunteers

d)

Small scale study in peope with the target disease

e)

Ex vivo and in vitro laboratory work

20.

Which is a sensible order to complete drugs trials in?

a)

Pre clinical tests on cells.

Trials on whole organisms (Animal testing

Clinical trials on healthy volunteers.

CLinical trials on unhealthy volunteers.

b)

Healthy humans only

(They will probably be fine!)

c)

Animal testing.

Healthy human testing.

Cell culture testing.

Unhealthy human testing.

d)

Insects

Mice

Humans

Monkeys

Unhealthy humans

21.

Which Sub cellular structure would you not find in an animal cell

a)

Nucleus

b)

Ribosome

c)

Mitochondria

d)

Chloroplast

22.

SELECT ALL of the following organisms that are made of eukaryotic cells.

a)

Plants

b)

Animals

c)

Bacteria

d)

Fungi

23.

I provide plant cells their rigid shape. I am the...

a)

Basketball that Nic Quarne left in Mr. Woller's room last week

b)

Cytoskeleton

c)

Cell Membrane

d)

Cell Wall

24.

What is number 12?

a)

Course Adjustment Knob

b)

Stage Clips

c)

Light Source

d)

Diaphram

25.

Number 7

a)

Arm

b)

Eyepiece lens

c)

Base

d)

Stand

26.

If your Eyepiece lens has x10 magnification and your objective lense has x40 magnification, what is the total magnification of your image?

a)

400x

b)

10x

c)

40x

d)

100x

27.

To calculate the image size of an electron micrograph if we use.....

a)

Image size = Actual size x Magnification

b)

Image size = Magnification ÷ Actual size

c)

Image size = Actual size ÷ magnification

d)

Image size = Magnification x Actual size

28.
If a bacteria image measures 450 mm and the magnification is 15,000x, what is the actual size of the bacteria?
a)
30 µm
b)
0.3 µm
c)
300 µm
d)
3,000 µm
29.

What is true of induced pluripotent stem cells?

a)

They can be turned/forced into other types of cells in a lab.

b)

They can't be turned into other types of cells.

c)

They can be turned back into their original type of cell.

d)

all of the above

30.

Stem cells are found in multiple locations in the body like skin, liver, muscles, intestines, and bones. True or False?

a)

True

b)

False

31.
What is the difference between embryonic stem cells and adult stem cells?
a)
Embryonic can differentiate into more cell types than adult
b)

Adult cells can only turn into blood, while embryonic turn into many things.

c)
Adult can differentiate into more cell types than embryonic
32.

How are root hair cells adapted to perform their function? You may choose more than 1 option.

a)

no cross walls

b)

long and narrow extension

c)

no protoplasm

d)

contain lignin

e)

contain many mitochondria

33.

How does the biconcave shape adapt red blood cells for their function?

a)

increased rate of diffusion in/out of cell

b)

more space in the cell for haemoglobin

c)

reduced resistance to water flow

d)

greater mechanical strength

34.

How is this cell specialised? Choose carefully!

a)

It stores fat

b)

It can swim

c)

It can shrink (contract) and grow (relax)

d)

It can swim and has powerful enzymes to break into an egg cell

35.

Name this cell.

a)

Pallisade cell

b)

Guard cell

c)

Root hair cell

d)

Epithelial cell

36.

Flaming the neck of the test tube after uncapping the tube and before recapping is essential during culture transfer.

a)

True

b)

False

37.

• A................is a microbial culture that

contains one species (type/kind) of

microorganisms

a)

Pure culuture

b)

Mixed culture

c)

Colony

38.

What is the agar used for?

a)

Nutrients for bacteria

b)

Sterilising equipment

c)

Collecting/spreading bacteria

d)

Stopping contamination

39.

Which organelle is being identified in this plant cell?

a)

Cell Wall

b)

Cytoplasm

c)

Chloroplast

d)

Nucleus

40.

Energy from the sun is trapped by the...

a)

chlorophyll in plant cells

b)

chlorophyll in animals cells

c)

mitochondria in plant cells

d)

mitochondria in animal cells

41.

What are these structures call that are found on the lining of the small intestine?

a)

Gallbladder

b)

Villi

c)

Sphincter

d)

Duodenum

42.

Which of the following helps digest carbohydrates in the mouth...

a)

salivary amylase

b)

lysozymes

c)

mucin

d)

bolus

43.
The chewing and grinding of food into smaller pieces is an example of...
a)
Mechanical Digestion
b)
Chemical Digestion
44.
Identify organ B. 
a)

Oesophagus

b)

stomach

c)

small intestine 

d)

large intestine

45.
Identify organ E. 
a)
gullet
b)
stomach
c)
small intestine 
d)
large intestine
46.

Which organ makes bile to help break down fats?

a)

liver

b)

gallbladder

c)

pancreas

47.

What is this organ?

a)

Liver

b)

Kidney

c)

Pancreas

d)

Stomach

48.
Nutrients from digested food are absorbed in which digestive organ?
a)
Small Intestine
b)
Stomach
c)
Large Intestine
d)
Gallbladder
49.
Letter E...
a)
active site
b)
enzyme
c)
substrate
d)
products
50.
Letter B...
a)
active site
b)
enzyme
c)
substrate
d)
products
51.
Letter C...
a)
active site
b)
enzymes
c)
substrate
d)
products
52.

Select only the correct combination of

Enzyme --> Substrate --> Product

a)

Protease --> Proteins --> Amino Acids

b)

Amylase --> Carbohydrate --> GLycerol & Fatty acids

c)

Lipase --> Fats --> Amino acids

53.
Tara conducted several tests on a mystery solution.  Her results were as follows:
*Biuret's = purplish/violet; *Benedict's = orange;  *Sudan III = yellow; *Iodine = black.
Which biomolecules were present in the mystery solution?
a)
protein & carbohydrate
b)
protein & lipid
c)
carbohydrate & lipid
d)
protein, carbohydrate, & lipid
54.
Which biomolecule turns iodine solution black?
a)
complex carbohydrate (polysaccharide)
b)
protein
c)
simple carbohydrate (monosaccharide)
d)
lipid
55.

What is a positive result for the lipid emulsion test?

a)

cloudy white

b)

clear

c)

yellow

d)

white

56.

This photo represents a

a)

negative test for glucose

b)

negative test for protein

c)

positive test for starch

d)

positive test for glucose

57.

The test tubes in the photo represent a negative and positive result for

a)

Benedict's with glucose

b)

Biuret with protein

c)

Iodine with starch

d)

Ethanol with fat

58.
What is the pH range of enzyme A?
a)
2
b)
0-3.5
c)
3.5
d)
0
59.
Based on the graph, what temperature does this enzyme work best? 
a)
15 C
b)
40 C
c)
30 C
60.

Group of tissues with similar functions.

a)

Organelles

b)

Cells

c)

Tissues

d)

Organs

61.

The lower chambers of the heart are called the ....

a)

Atrium

b)

Ventricles

c)

Vein

d)

Aorta

62.

What does blood plasma contain? Check all that apply.

a)

fats

b)

fibrinogen

c)

vitamins

d)

oxygen

e)

carbon dioxide

63.
The fluid portion of blood that carries blood cells, glucose, proteins, fats, and wastes throughout the body.
a)
red blood cells
b)
white blood cells
c)
plasma
d)
platelets
64.

When the coronary _____ are blocked, blood does not flow as well and coronary artery disease begins to develop.

a)

arteries

b)

Symptoms

c)

Blood Pressure

d)

arteriosclerosis

65.

A blockage in a coronary artery can cause a person to suffer a ______________________

a)

Heart Attack

b)

Heart Stopper

c)

Heart Beat

66.

What is this a picture of?

a)

Stent

b)

Valve

c)

Pace maker

d)

Statin

67.

The plant tissue responsible for transportation of substance is

a)

vascular tissue (Xylem & Phloem)

b)

meristematic tissue

c)

epidermal tissue

d)

ground tissue

68.
Which factor had the greatest impact on the rate of transpiration compared to the control?
a)
wind
b)
humidity
c)
light 
d)
darkness
69.

How does water move from the soil into the root hair cell and reach the xylem vessels?

a)

diffusion

b)

osmosis

c)

active transport

d)

none of the above

70.

Which is true?

a)

99% of water taken by the plant evaporates through transpiration

b)

9% of water taken by the plant evaporates through transpiration

c)

Evaporation through transpiration accounts only for 1% of all the water the plant takes in

d)

Evaporation through transpiration is minuscule

71.

All of the following are forces involved in the process of transpiration EXCEPT ____________.

a)

root pressure

b)

capillary action

c)

active transport

d)

transpiration pull

72.
Which organelle is responsible for making proteins?
a)
Nucleus
b)
Nucleolus
c)
Lysosomes
d)
Ribosomes
73.

Was does it mean to say risk factors are correlational and not causal?

a)

someone who has all the risk factors will always get cancer

b)

risk factors do not cause cancer, but people who have the risk factors are more likely to get the cancer

c)

certain lifestyles and lifestyle choices can keep your from developing most types of cancers

d)

genetic risk factors cause cancer, but it not in all people

74.

Which of the following can be the cause of heart disease?

a)

a virus

b)

a fungus

c)

genetics

d)

lifestyle

e)

exposure to environmental factors

75.

The thick walls of the capillaries allow the passage of food, water, and oxygen pass from the blood vessels into the body cells.

a)

True

b)

False

76.

In which direction do arteries carry blood

a)

Into the heart

b)

Away from the heart

c)

In and out of the heart

77.

What is the purpose of the valves located in veins?

a)

To keep the vein open for blood to flow through

b)

To keep blood flowing in one direction through the vein

c)

To allow blood to flow in both directions within the vein

d)

To allow the blood to flow back down to the lower parts of the body

78.

The blood vessels that surround the alveoli are called:

a)

Veins

b)

Arteries

c)

Capillaries

79.

When you breathe, your lungs take in ___ and remove ___.

a)

air/oxygen

b)

oxygen/carbon dioxide

c)

carbon dioxide/waste

d)

waste/air

80.
Name the structure labeled 8 
a)
lungs 
b)
trachea 
c)
diaphragm 
d)
alveoli 
81.

Mitosis is comprised of 4 stages. In order they are...

a)

Prophase

Metaphase

Anaphase

Telophase

b)

Telophase

Anaphase

Metophase

Prophase

c)

Interphase

Prophase

Anaphase

Cytokinesis

d)

Cytokinesis

Interphase

Prophase

metaphrase

82.

How many chromosomes will a normal human have after a complete cell cycle?

a)

23

b)

46

c)

47

d)

92

83.
What phase is this cell in?
a)
Mitosis
b)
Cytokinesis
c)
Prophase
d)
Telophase
84.
What part of the cell cycle is this cell in?
a)
Mitosis
b)
Interphase
c)
Telophase
d)
Cytokinesis
85.
What phase does this diagram show?
a)
Metaphase
b)
Interphase
c)
Anaphase
d)
Telophase
86.
Cancer creates abnormal cells by disrupting....
a)
the cell cycle
b)
red blood cell formation
c)
DNA replication
d)
ATP synthesis
87.

If this type of cancer grew slowly and didn't transfer around the body what would it be?

a)

Benign

b)

Malignant

c)

cancer tumor

d)

DNA Mutations

88.

If this type of cancer grew rapidly and transfered around the body what would it be?

a)

Benign

b)

Malignant

c)

cancer tumor

d)

DNA Mutations

89.

If you could no longer make ATP, which type of transport could still occur. Choose all that apply.

a)

Diffusion

b)

Pinocytosis

c)

Exocytosis

d)

Osmosis

90.
a)

The lower concentration of sugar, the less likely the potato will gain mass

b)

the lower the concentration of sugar, the more likely the potato will gain mass

c)

the higher the concentration of sugar, the less likely the potato will gain mass

d)

the higher the concentration of sugar, the more likely the potato will gain mass

91.

Which process involves the movement of water into and out of the cells?

a)

Endocytosis

b)

Active transport

c)

osmosis

d)

phagocytosis

92.

Figure shows three different plant cells immersed in solution with different concentration. Choose a normal healthy plant cell in the figure.

a)

Cell A

b)

Cell B

c)

Cell C

93.
This egg has shrunk, what type of solution was it placed in?
a)
hypotonic solution
b)
hypertonic solution
c)
isotonic solution
d)
active transport
94.

a)

A

b)

B

c)

C

d)

D

95.

Diffusion occurs when molecules

a)

move through a permanent barrier

b)

move against the concentration gradient

c)

move from high to low concentration

d)

move from low to high concentration

96.
This image shows how materials move into various sized cells in a given amount of time.... why does one square cell have more pink coloring than the others? 
a)
The surface area was too larger to get through
b)
The volume of the other cells was too large for the dye to get through
c)
There was not enough surface area for the dye to get through
d)
The volume was too low for the dye to stay in the square
97.

Which loses heat fastest?

Hint: think SA: V

a)

Elephant because it has more volume to heat up 

b)

Elephant because it has larger ears to block the sun

c)

Mouse because it has more surface area than volume

d)

mouse because it doesn't have as much heat

98.

Which cell is an Animal Cell?

a)

Cell I

b)

Cell II

99.
As a cell becomes larger, its
a)
surface area increases faster than its volume.
b)
volume increases faster than its surface area
100.
Microvilli are tiny projections that extend off the cell to increase the Surface Area.  What purpose might that serve? 
a)
Increased absorption
b)
Better communication among cells
c)
Maintain homeostasis 
d)
Decreased oxygen use
101.

Which of the following is an example of active transport?

a)

movement of oxygen from alveoli into red blood cell

b)

movement of water across cell membrane

c)

plant root absorbing mineral ions from the soil

d)

uptake of water by the root hair of the plant

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