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Worksheets

Ocr Biology B triple science

Total questions: 260

Worksheet time: 3hrs 24mins

Name
Class
Date
1.
How is this organism best classified?
a)
unicellular & eukaryotic
b)
multicellular & eukaryotic
c)
unicellular & prokaryotic
d)
multicellular & prokaryotic
2.
How are prokaryotes and eukaryotes similar?
a)
They both contain membrane-bound organelles.
b)
They both have cell membranes.
c)
The both have nuclei.
d)
They both have chloroplasts.
3.
Which of the following would be found in both eukaryotic AND prokaryotic cells?
a)
chloroplast
b)
cytoplasm
c)
nucleus
d)
endoplasmic reticulum
4.
Some prokaryotes and eukaryotes have a cellular structure called a flagella.  What is the purpose of the flagella?
a)
to transport molecules across the cell membrane
b)
to propel the cell through liquid
c)
to collect food for the cell
d)
to tell the cell the direction of a food source
5.
Prokaryotic and eukaryotic cells have many differences, but they also share some common features.  Which of the following may be found in either type of cell?
a)
Golgi bodies
b)
ribosomes
c)
mitochondria
d)
nucleus
6.

Which is true of prokaryotic and eukaryotic cells?

a)

Prokaryotic cells are larger than eukaryotic cells.

b)

Eukaryotic cells do not have nuclei, and prokaryotic cells do have nuclei.

c)

Prokaryotic cells lack membrane-bound organelles, and eukaryotic cells contain membrane-bound organelles.

d)

Eukaryotic cells are simpler than prokaryotic cells.

7.
Which type of cell is bigger?
a)
Prokaryotic
b)
Eukaryotic 
8.
______ make protein for the cell.  
a)
Nuclei
b)
Ribosomes
c)
Endoplasmic reticulum
d)
Vacuoles 
9.
Eukaryotes include animal cells and plant cells? True or False?
a)
True
b)
False
10.
Which type of cell?
a)
Prokaryote
b)
Eukaryote
11.
Which type of cell?
a)
Prokaryote
b)
Eukaryote
c)
Mixed
12.
Prokaryotes have contains membrane-bound organelles. True or False?
a)
True
b)
False
13.

Which organelles are found in a plant cell ONLY?

a)

Nucleus

b)

Chloroplast

c)

Cell Wall

d)

Permanent Vacuole

e)

Cytoplasm

14.

Which organelles are common to plant and animal cells?

a)

cytoplasm

b)

chloroplast

c)

cell membrane

d)

nucleus

e)

ribosomes

15.

Which organelles are common to both animal AND plant cells?

a)

Permanent vacuole

b)

Cytoplasm

c)

Mitochondria

d)

Cell membrane

e)

Cell Wall

16.

The (a)   contains the DNA and genes. It controls the cell.

17.

The (a)   is a watery jelly. Most of the cells activities happen here.

18.

The (a)   controls what enters and leaves the cell

19.

Respiration happens inside the (a)   .

20.

Protein synthesis happens on the (a)   .

21.

(a)   convert sunlight (light energy) into chemical energy (food) that plants can use. This process is called photosynthesis.

22.

The _____ ______ supports the cell. It is made of cellulose.

(a)  

23.

The ___________ __________ is a large storage space, filled with cell sap.

(a)  

24.

What term is used to describe a version of a gene?

a)

allele

b)

genotype

c)

phenotype

d)

heterozygous

25.

What term is used to describe an organism that carries two identical alleles for a gene?

a)

dominant

b)

recessive

c)

homozygous

d)

heterozygous

26.

What term is used to describe an organism that carries two different alleles for a gene?

a)

dominant

b)

recessive

c)

homozygous

d)

heterozygous

27.

What term is used to describe the observable features of an organism due to its genotype?

a)

inheritance

b)

phenotype

c)

dominant

d)

allele

28.

Gary and Fiona are both healthy but produce a child with a genetic disease caused by a recessive allele.


Which of the following must be true?

a)

The child could be heterozygous

b)

Gary is homozygous and Fiona is heterozygous

c)

Gary and Fiona are both homozygous

d)

Gary and Fiona are both heterozygous

29.

A plant has two different alleles of a gene, G, resulting in it having a green seed.


Which row of the table describes the phenotype and genotype of the seeds of this plant?

a)

A

b)

B

c)

C

d)

D

30.

The pedigree chart shows the inheritance of a genetic disorder in a family.


What conclusion can be made about this genetic disease?

a)

The genetic disorder is dwarfism

b)

It is caused by a dominant allele

c)

It is caused by a recessive allele

d)

It is caused by codominant alleles

31.

The pedigree chart shows the inheritance of a genetic disorder in a family.


What conclusion can be made about this genetic disease?

a)

The genetic disorder is dwarfism

b)

It is caused by a dominant allele

c)

It is caused by a recessive allele

d)

It is caused by codominant alleles

32.

In a certain plant, the allele fo white fruit (W) is dominant over the allele for yellow fruit (w).


A white-fruited plant was crossed with a yellow-fruited plant.


About half of the offspring were white-fruited and the other half were yellow-fruited.


Which genotypes did the parent plants have?

a)

ww and www

b)

Ww and ww

c)

WW and ww

d)

WW and Ww

33.

The colour of a mouse's fur is controlled by a single pair of alleles.


A mouse with black fur was crossed with a mouse with white fur. All of the offspring had black fur.


What would be the likely ratio in several generations of offspring, if two of these black offspring were crossed?

a)

1 black fur : 3 white fur

b)

2 black fur : 2 white fur

c)

3 black fur : 1 white fur

d)

4 black fur : 0 white fur

34.

How many alleles for each gene are carried in all body cells?

a)

1

b)

2

c)

3

d)

4

35.

What is discontinuous variation from?

a)

The environment

b)

Inheritance

c)

Both

d)

None of the above

36.

What are the base pairing rules for DNA?

a)

A always pairs with T, and G with C

b)

A always pairs with C, and G with T

c)

A always pairs with U, and G with C

d)

A always pairs with G, and C with T

37.

A section of DNA that codes for a specific protein

a)

gene

b)

genome

c)

amino acids

d)

RNA

38.

The basic building blocks of proteins.

a)

genes

b)

amino acids

c)

RNA

d)

DNA

39.

The study of the inheritance of traits

a)

Genetics

b)

Biology

c)

DNA-ology

d)

Gene-ometry

40.

An allele that masks or covers up the other gene.

a)

dominant

b)

recessive

c)

genotype

d)

phenotype

41.

An allele that is easily covered or hidden.

a)

genotype

b)

phenotype

c)

dominant

d)

recessive

42.

What's the probability an offspring will have the dominant Brown Eyes in this Punnett Square

a)

25%

b)

50%

c)

75%

d)

100%

43.

hereditary material with the instructions to make an organism

a)

DNA

b)

dominant trat

c)

phenotype

d)

heterozygous

44.

passes genetic information onto the offspring

a)

recessive

b)

genotype

c)

phenotype

d)

parent

45.

two different alleles for a trait

examples: Bb, Nn, Yy

a)

genotype

b)

phenotype

c)

homozygous

d)

heterozygous

46.

two identical (same) alleles for a trait

examples: BB, NN, nn

a)

genotype

b)

phenotype

c)

homozygous

d)

heterozygous

47.

gene most likely to stay hidden or covered up;

shown with a lowercase letter

a)

dominant

b)

recessive

c)

phenotype

d)

offspring

48.

gene that covers up another form of the trait;

the "stronger" trait;

shown with a capital letter

a)

dominant

b)

recessive

c)

parent

d)

genotype

49.
A portion of DNA reads GAG. The corresponding mRNA would be
a)
GUG
b)
GTG
c)
CTC
d)
CUC
50.

Which of the following could be used as a vector for a human gene?

a)

Bacterial Plasmid

b)

Bacteria

c)

A mitochondria

d)

mRNA

51.

"transgenic" refers to an animal that:

a)

Has DNA from another organism spliced into its genome

b)

Has undergone DNA modification

c)

Has unique genes for its species

52.

In which ways can genetic engineering can improve crops

a)

Make them pest or drought resistant

b)

Make them more nutritious

c)

Make them larger

d)

All answers are correct

53.

In which ways can genetic engineering can improve crops

a)

Make them pest or drought resistant

b)

Make them more nutritious

c)

Make them larger

d)

All answers are correct

54.

A circular piece of DNA, found in bacteria, is called:

a)

A plasmid

b)

mRNA

c)

Ribosome

d)

Nucleotide

55.

Humans with genetic diseases can have a gene inserted into their body using a virus. This is called:

a)

Gene therapy

b)

Cloning

c)

DNA fingerprinting

56.
Corn and rice are two of these most genetically modified crops in the US.
a)
true
b)
false
57.
When DNA is manipulated and moved from one source to another it is known as
a)
genetic engineering
b)
electrophoresis
c)
gene therapy
d)
GMO
58.
Genetic engineering has been used to produce
a)
medicines.
b)
food animals.
c)
improved crops.
d)
all of these.
59.
Which is used to cut DNA molecules at specific points?
a)
gel electrophoresis
b)
PCR analysis
c)
a restriction enzyme
d)
recombinant DNA
60.
A molecule containing DNA from two different organisms is called
a)
a plasmid.
b)
a polyploid.
c)
a hybrid organism.
d)
recombinant DNA.
61.
Genes found on DNA contain the instructions for making  
a)
pyrimidines 
b)
pyrimidines
c)
proteins
d)
purines
62.
Any change or mistake in DNA replication can cause a ________  
a)
cancer cell 
b)
virus
c)
disease
d)
mutation
63.
simple ring of DNA from prokaryotes
a)
plasmid
b)
restriction enzymes
c)
recombinant DNA
d)
gene
64.
In a pedigree chart, how are females illustrated
a)
circles
b)
squares
c)
triangles
d)
lines
65.
In a pedigree chart, how are males illustrated
a)
circles
b)
squares
c)
triangles
d)
lines
66.
Who was the first adult mammal successfully cloned?
a)
Dolly the Sheep
b)
Copy Cat the Cat
c)
Donald Trump the Donald
d)
Agouti Gout the Mouse
67.
Which statement is part of Darwin’s theory of evolution by natural selection?
a)
More offspring are produced than can possibly survive.
b)
The organisms that are the fittest are always largest and strongest.
c)
The number of offspring is not related to fitness.
68.
Two organisms that are closely related would have
a)
very similar DNA sequence
b)
exactly the same DNA sequences
c)
no proteins in common
d)
completely different DNA sequence
69.
According to this cladogram, birds are LEAST related to -
a)
Amphibians
b)
Sharks
c)
Ray Finned Fish
d)
Crocodiles
70.
On the cladogram, which organism is the closest relative of the human?
a)
Frog
b)
Hare
c)
Caiman
d)
Parrot
71.
The opossum and kangaroo both incubate their young in a pouch. This provides evidence that they---
a)
are descended from a common ancestor
b)
Have very similar skeletal structures
c)
belong to the same species
d)
must range great distances to eat
72.
Restriction Enzymes are . . . 
a)
proteins
b)
DNA
c)
fats
d)
carbohydrates
73.
Restriction Enzymes . . . 
a)
cut DNA at precise locations
b)
help bacteria to pick up DNA
c)
move DNA through a gel
d)
copy DNA
74.

In which ways can genetic engineering can improve crops

a)

Make them pest or drought resistant

b)

Make them more nutritious

c)

Make them larger

d)

All answers are correct

75.
Which term refers to a farmer choosing the best corn from this year to plant next year?
a)
natural selection
b)
selective breeding
c)
genetic engineering
d)
genetic transformation
76.

Any condition that interferes with the proper functioning of the body or mind is a(n)_______________.

a)

Pathogen

b)

Disease

c)

Infection

d)

Illness

77.

These diseases are contagious and spread from person to person.

a)

Genetic disease

b)

Non-communicable disease

c)

Deficiency disease

d)

Communicable disease

78.

Organisms that cause diseases are called?

a)

Pathogens

b)

Hosts

c)

Phagocytes

d)

Toxins

79.

A disease that you can spread from person to person is known as a: (a)  

Choose from the below words
infectious disease
noninfectious disease
non-communicable disease
direct contact illness
80.

What is a symptom?

a)

The study of the causes of a disease

b)

Subjective evidence of a disease

c)

Objective evidence of a disease

d)

To identify a disease

81.

What is a sign?

a)

The study of the causes of a disease

b)

Subjective evidence of a disease

c)

Objective evidence of a disease

d)

To identify a disease

82.

What does it mean to have a diagnosis?

a)

The study of the causes of a disease

b)

Subjective evidence of a disease

c)

Objective evidence of a disease

d)

To identify a disease

83.

What is chronic disease?

a)

when the course of the disease lasts long

b)

a disease that appears suddenly and does not long

c)

a disease caused by a pathogen

d)

a disease not caused by pathogens

84.

What is an acute disease?

a)

when the course of the disease lasts long

b)

a disease that appears suddenly and does not long

c)

a disease caused by a pathogen

d)

a disease not caused by pathogens

85.

A disease that is present permanently in a region or population is

a)

Endemic

b)

Epidemic

c)

Pandemic

86.

An outbreak that affects many people at one time and can spread through one or several communities

a)

Endemic

b)

Epidemic

c)

Pandemic

87.

A global disease outbreaks is

a)

Endemic

b)

Epidemic

c)

Pandemic

88.

When a doctor sees you, they give you a ...

a)

clarify

b)

diagnosis

c)

diagnoseis

d)

gadget

89.

A white blood cell destroys an invading germ by:

a)

Changing its chemical composition

b)

Changing its genetic structure

c)

Pulling it apart

d)

Engulfing it

90.

What does a vaccine contain?

a)

Antigens from the disease-causing pathogen

b)

Antibodies from the disease- causing pathogen

c)

Lymphocytes producing antibodies against the pathogen

d)

White blood cells to inactivate the disease-causing pathogen

91.

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

92.

What is the purpose of a vaccine?

a)

To stimulate antibodies to produce specific antigens

b)

To stimulate lymphocytes to produce antibodies against specific antigens

c)

To stimulate antigens to produce antibodies against particular pathogens

d)

To stimulate the production of antigens specific to particular antibodies

93.

What cells are produced by lymphocytes 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

94.

The discredited MMR study by Andrew Wakefield contained data from 12 patients. No other studies were able to replicate its results. Which aspects of the study were flawed?

(More than 1 correct answer)

a)

Reproducibility

b)

Small sample size

c)

Repeatability

d)

Accuracy

95.

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

96.

Why is the immune response slow when the body encounters a pathogen for the first time?

a)

The memory cells take time to produce enough antibodies

b)

The lymphocyte which has the matching antibody takes time to produce enough clones

c)

The lymphocyte which has the matching antigen takes time to produce enough clones

d)

The memory cells take time to produce enough antigens

97.

How is immunity achieved?

a)

Vaccination and prior infection

b)

Vaccination only

c)

Prior infection only

d)

Vaccination and contact with an infected person

98.

In which response are antibodies produced faster?

a)

Primary immune response

b)

Secondary immune response

99.

Which cells are not involved in antibody production during the primary immune response?

a)

Lymphocytes

b)

Memory cells

c)

Plasma cells

d)

White blood cells

100.

What is an antibiotic?

4 lines
101.

Select the example of an antibiotic.

a)

vaccine

b)

pathogen

c)

penicillin

d)

antibody

102.

People are making antibiotic resistance worse by:

a)

Taking antibiotics only when they need them

b)

Not finishing the full course of prescribed antibiotics

c)

Not sharing antibiotics with others

d)

Taking antibiotics for when they have a virus

103.
What is happening because bacteria became more resistant to antibiotics.
a)
Bacteria are dying out.
b)
Humans are increasing in population.
c)
Antibiotics are becoming weaker.
d)
Bacteria are starting to multiply and grow
104.

State the strain of bacteria resistant to every antibiotic (it has four letters!)

(a)  

105.
Which of these is not part of an aseptic technique?
a)
all of these are aseptic techniques
b)
using sterile equipment to transfer bacteria
c)
flaming the neck of bottles of bacterial culture
d)
wiping the work area with disinfectant
106.
What do we call the technique used during experiments that ensures no other microoganisms contaminate the results?
a)
aseptic
b)
antiseptic
c)
hygienic
d)
antibiotic
107.

How do you find the area of a circle?

a)

πr2

b)

2πr

c)

2r

d)

2πr2

108.

A person produces antibodies to influenza after vaccination. This is an example of:

a)

Active Immunity

b)

Passive Immunity

109.
What causes malaria?
a)
bacteria
b)
fungi
c)
protists
d)
viruses
110.

due to modern medicine, Small pox has been ___________

a)

eradicated

b)

contained

c)

mutated

d)

weakened

111.
Vaccines contain weakened or dead parts of antigens. 
a)
True
b)
False
112.

Define phagocytosis.

(a)  

113.

Measles symptoms

a)

Fever

b)

Sneezing

c)

Sickness

d)

Fatigue

114.

Which pathogen causes Gonorrohoea

a)

Bacteria

b)

Virus

c)

Fungu

d)

Protist

115.

What is a symptom of gonorrhoea?

a)

Coughing

b)

Fever

c)

Green discharge

d)

Vomiting

116.

How is the measles infection cured?

a)

Antibiotics

b)

Painkillers

c)

No cure

d)

Vaccination

117.

How do bacteria make you feel ill?

a)

They bite your cells

b)

They release toxins that harms cells

c)

They multiply inside cells then burst out

d)

They say nasty things to your brain

118.

How can a gardener treat a plant with TMV?

a)

Add a herbicide

b)

Inject with antiviral medicine

c)

They can't treat it

119.

How should a gardener remove an infected plant?

a)

Wear gloves

b)

Remove it as soon as symptoms show

c)

Dispose of the plant by burning

d)

All over the above

120.
_______ Is any condition that interferes with the proper functioning of the body or mind
a)
disease
b)
infection
c)
pathogen
121.

________ is a disease that can be passed to a person from another person, animal or object.

a)

Non-communicable disase

b)

Communicable Disease

c)

Pathogens

122.

________ are disease-causing organisms that are so small you need a microscope to see them. Think "fancy word for germs".

a)

Virus

b)

Disease

c)

Communicable

d)

Pathogen

123.
Washing your hands is the _________ effective strategy for preventing the spread of disease?
a)
least
b)
most
124.
What is a non-communicable disease?
a)
An illness that can be passed on by germs from person to person.
b)
A disease that cannot be passed on to another person.
125.

Coughing, sneezing, and runny nose are all _______________ of the common cold.

a)

access points

b)

abrasions

c)

organisms

d)

symptoms

126.

Chicken pox is an example of a ___________________________ disease.

a)

non-communicable

b)

exposure

c)

abrasion

d)

communicable

127.

Communicable diseases can be transferred from animal to person.

a)

True

b)

False

128.

The system in our body that helps fight disease is called the ________________ system.

a)

respiratory

b)

digestive

c)

muscular

d)

immune

129.
A doctor would most likely prescribe an antibiotic to treat what type of pathogen?
a)
Fungi
b)
Helminth
c)
Virus
d)
Bacteria
130.
Mosquitoes and Ticks are examples of organisms that can spread disease.  These types of organisms are refereed to as?
a)
Vectors
b)
Fungi
c)
Pathogens
131.
The study of the spread of disease is ?
a)
Pathology
b)
Biology
c)
Anatomy
d)
Epidemiology
132.
Cancer, Hypertension, and Asthma are examples of what types of disease?
a)
Non-communicable
b)
Communicable
133.
Disease transmission by kissing
a)
indirect
b)
direct
c)
droplet
134.
Athlete's foot is an example of this pathogen
a)
Bacteria
b)
Virus
c)
Fungus
d)
Protozoan
135.
What pathogen causes influenza (the Flu)
a)
Bacteria
b)
Virus
c)
Protozoa
d)
Fungi
136.

All microbes are bad for you.

a)

True

b)

False

137.

Which of the following is a good way to stop the spread of the Covid-19?

a)

cough in your sleeve

b)

wash your hands often

c)

stand at least 2 meters away from people

d)

All of the above

138.

How long should you wash your hands for?

a)

10 seconds

b)

2 minutes

c)

20 seconds

d)

15 seconds

139.

Yeast is a type of ______ that makes bread rise.

a)

bacteria

b)

fungi

c)

virus

d)

protista

140.

The Covid-19 disease is caused by a _________.

a)

virus

b)

bacteria

c)

fungi

141.

What are some effective ways to stop the spread of disease?

a)

vaccination

b)

proper hygene

c)

healthy diet

d)

all of the above

142.

Which of the following is not caused by bacteria.

a)

Cholera

b)

Typhoid

c)

Tuberculosis

d)

Malaria

143.

Which of the following is not a communicable disease

a)

Cholera

b)

cancer

c)

Chicken pox

d)

malaria

144.

In the making of monoclonal antibodies, what is injected into the mouse?

a)

An antigen

b)

A white blood cell

c)

An antibody

d)

A chemical

145.

In the making of monoclonal antibodies, what are lymphocytes combined with?

a)

A tumour cell

b)

A red blood cell

c)

An antibody

d)

A chemical

146.

Monoclonal antibodies are used to identify pathogens using a fluorescent by first (a)   the monoclonal antibody to the fluorescent.

147.

Monoclonal antibodies are attached to (a)   substances when used to treat cancer

148.

When making monoclonal antibodies to target a specific virus, the virus is first injected into (a)  

149.

When making monoclonal antibodies to target a specific virus, the virus is first injected into mouse which will stimulate the mouse's (a)   s

150.

Give one use of monoclonal antibodies.

a)

Pregnancy testing

b)

Treat diabetes

c)

Treat bacterial infections

151.

Give one use of monoclonal antibodies.

a)

Diagnose some cancers

b)

Treat diabetes

c)

Treat bacterial infections

152.

Give one use of monoclonal antibodies.

a)

Locate specific molecules

b)

Treat diabetes

c)

Treat bacterial infections

153.

When making monoclonal antibodies to target a specific virus, the virus is first injected into mouse which will stimulate the mouse's lymphocytes (a)   ies

154.

Monoclonal antibodies are s (a)   to the substance they are to target and attach to.

155.

Monoclonal antibody will be able to treat cancer as they only attach to the (a)   on the tumour

156.

Monoclonal antibodies made using human lymphocytes are more successful in treating diseases in humans than monoclonal antibodies made using mice as there is less chance of (a)  

157.

Monoclonal antibodies use fluorescents to identify specific pathogens by (a)   to them

158.

How do monoclonal antibody for certain diseases help to prevent a person developing an advanced version?

a)

Monoclonal antibody attaches to specific antigen of pathogen

b)

Monoclonal antibody engulfs the specific pathogen is it returns

c)

Monoclonal antibody neutralises the specific pathogen

159.

In the making of monoclonal antibodies, what is done to the hydridoma after it is made?

a)

It is cloned to make many cells that make the antibody

b)

It is stimulated to make antibodies

c)

It is inserted into a patient's bloodstream

d)

A chemical

160.

In the making of monoclonal antibodies, what is made when a lymphocyte combines with a tumour cell, what is made?

(a)  

161.

In the making of monoclonal antibodies, what is extracted from the mouse?

a)

A lymphocyte that makes the specific antibody

b)

The specific antibodies

c)

Clones of the antibodies

162.
What are antibodies made of?
a)

Glucose

b)
Protein
c)

Starch

d)
Lipid
163.
What is a hybridoma cell?
a)
A particular antibody
b)

B lymphocyte fused with a cancer cell

c)
An antibody fused with a lymphocyte
d)

An antigen fused with an antibody

164.
Antibodies... 
a)

engulf pathogens

b)

neutralise toxins

c)
make pathogens stick together
d)

bind to antigens of pathogens

165.
Which best describes the relationship between antibodies and antigens?
a)
Antibodies are specific to one antigen
b)
Antigens are produced in response to antibodies
c)
One antibody can affect several different antigens
d)
Immunity develops when an antigen destroys an antibody.
166.

What do monoclonal antibodies on pregnancy test kits bind with?

a)

An antibody

b)

An enzyme

c)

A hormone

167.
What is the first stage of producing monoclonal antibodies?
a)

Stimulate a mouse's lymphocytes to make an antibody

b)

Collect lymphocytes that make the specific antibody

c)

Form hybridoma cells by combining lymphocytes to tumour cells

d)

Clone the hydridoma cells

168.

What is the second stage of producing monoclonal antibodies?

a)

Stimulate a mouse's lymphocytes to make an antibody

b)

Collect lymphocytes that make the specific antibody

c)

Form hybridoma cells by combining lymphocytes to tumour cells

d)

Clone the hydridoma cells

169.

What is the third stage of producing monoclonal antibodies?

a)

Stimulate a mouse's lymphocytes to make an antibody

b)

Collect lymphocytes that make the specific antibody

c)

Form hybridoma cells by combining lymphocytes to tumour cells

d)

Clone the hydridoma cells

170.

What is the forth stage of producing monoclonal antibodies?

a)

Stimulate a mouse's lymphocytes to make an antibody

b)

Collect lymphocytes that make the specific antibody

c)

Form hybridoma cells by combining lymphocytes to tumour cells

d)

Clone the hydridoma cells

171.

What are the 3 reactants of photosynthesis? The reactants are the things needed for photosynthesis to occur.

a)

oxygen, glucose, sunlight

b)

sunlight, oxygen, water

c)

water, oxygen, carbon dioxide

d)

carbon dioxide, sunlight, water

172.

What is the tiny openings that let in the carbon dioxide needed for photosynthesis?

a)

stomata

b)

xylem

c)

phloem

d)

chloroplast

173.

How does water travel from the roots to the plan leaf? Name the structure that carries water.

a)

stomata

b)

phloem

c)

chloroplast

d)

xylem

174.

What are the 2 products of photosynthesis? The products are the things made in the process of photosynthesis.

a)

water, sunlight

b)

glucose, carbon dioxide

c)

oxygen, glucose

d)

sunlight, oxygen

175.

How does glucose travel in a producer (plant)? Name the structure.

a)

xylem

b)

phloem

c)

stomata

d)

chlorophyll

176.
Where does photosynthesis take place?
a)
The leaves.
b)
The roots.
c)
The branches.
d)
The kitchen.
177.

Algae can photosynthesise.

Complete the word equation for photosynthesis.

water + ______1._________ --------> ________2._______ + oxygen

a)

1 Carbon Dioxide

b)

1 Glucose

c)

2 Carbon Dioxide

d)

2 Glucose

178.

Cells in plant roots do not photosynthesise.


Give one reason why.

a)

They do not have any oxygen

b)

They do not have any carbon dioxide

c)

They do not have any light for photoynthesis

d)

The do not have any glucose for energy

179.

Where do plants get the energy for photosynthesis to take place?

a)

nutrients in the soil

b)

the sun

c)

chlorophyll

d)

bee pollination

180.

Complete the equation for photosynthesis

carbon dioxide +___________ ------> Glucose + oxygen

a)

helium

b)

nitrogen

c)

water

d)

hydrogen

181.

Pigment in green plants that capture the energy in sunlight is called __________

a)

Greenplasts

b)

chlorophyll

c)

stomata

d)

chloroplasts

182.

Which of the following is the correct equation for photosynthesis?

a)

CO2 + light + H2O ---> O2 + Sugar

b)

CO2 + sugar + water --> O2 + light

c)

O2 + light + water ---> sugar + CO2

d)

CO2 + O2 + light ---> sugar + water

183.

Identify this molecule

a)

Oxygen

b)

carbon dioxide

c)

water

d)

glucose

184.

What is the purpose of Photosynthesis?

a)

to release energy

b)

for growth

c)

to create glucose

d)

to get oxygen for respiration

185.

Plant leaves appear green due to the presence of

a)

xanthophyll

b)

carotene

c)

chlorophyll

d)

pigmentation

186.

During photosynthesis, the energy from the sun is used to split water molecules into hydrogen and oxygen.

a)

True

b)

False

187.

Which of the following statements best describes the term photosynthesis?

a)

When plants absorb the energy from the sun.

b)

How plants reproduce.

c)

The process by which plants make their own food.

d)

The process by which animals make their own food.

188.

Why are plants considered autotrophs

a)

They make their own food

b)

They provide food for others

189.

Carbon dioxide enters the leaf via…

a)

the cuticle

b)

phloem

c)

stomata

d)

guard cells

190.
The leaf has a shiny, waxy cuticle around it to
a)
increase the rate of photosynthesis
b)
attract more light
c)
control water loss
d)
stop carbon dioxide and oxygen gases escaping
191.
Most of the chloroplast cells are found in the
a)
upper epidermis
b)
pallisade mesophyll layer
c)
lower epidermis
d)
stomata
192.
The important gases, carbon dioxide and oxygen, enter and leave the leaf through the
a)
upper epidermis
b)
phloem
c)
stomata
d)
guard cells
193.
The reactants needed for photosynthesis to occur are:
a)
carbon dioxide & water
b)
carbon dioxide & oxygen
c)
oxygen & water
d)
carbon dioxide, oxygen & water
194.
The role of the guard cell is to
a)
help control the temperature of the plant
b)
control how much water enters the leaf
c)
control how much glucose is stored
d)
control the movement of water vapour & gases 
195.
Transpiration helps the plant
a)
make more sugars at night
b)
move water from the roots to the stem and leaves
c)
move sugars from the leaf to be stored in the stem & roots
d)
make more chloroplasts
196.

What is a limiting factor?

a)

Any factor that speeds up the rate of photosynthesis if there is not enough

b)

Any factor that does not affect the rate of photosynthesis

c)

Any factor that slows down the rate of photosynthesis if there is not enough

d)

Any factor that speeds up the rate of photosynthesis if there is enough of it

197.

2 examples of limiting factors in photosynthesis are

a)

light intensity and temperature

b)

temperature and soil minerals

c)

oxygen and water

d)

carbon dioxide and glucose

198.

Which limiting factor of photosynthesis is likely to have the greatest effect on plants growing in an open field on a hot summer day?

a)

light

b)

temperature

c)

carbon dioxide concentration

d)

chlorophyll

199.

The diagram below shows a photosynthesis investigation. The plant has leaves that are green in the middle and white round the edges. Which leaf areas lack only one factor needed for photosynthesis?

a)

1 and 2

b)

1 and 3

c)

2 and 4

d)

3 and 4

200.

The graph shows the rate of photosynthesis plotted against an unknown factor. What is the factor limiting the rate of photosynthesis as shown in the graph?

a)

carbon dioxide concentration

b)

light intensity

c)

number of chloroplasts

d)

temperature

201.
A student is collecting the gas given off from a plant in bright sunlight at a temperature of 27°C. The gas being collected is probably ________.
a)
oxygen
b)
carbon dioxide
c)
ATP
d)
glucose
202.
What is the correct equation for photosynthesis?
a)
Carbon Dioxide + Water + Light --> Glucose + Oxygen
b)
Light + Carbon Dioxide --> Water + Glucose + Oxygen
c)
Carbon Dioxide + Glucose + Light --> Water + Oxygen
203.

Click on the picture to make it larger.


What do curves B and D suggest is limiting the rate of photosynthesis?

a)

light intensity

b)

carbon dioxide concentration

c)

temperature

d)

water

204.

Click on the picture to make it larger.


What do curves C and D suggest is limiting the rate of photosynthesis?

a)

light intensity

b)

carbon dioxide concentration

c)

temperature

d)

water

205.

Click on the picture to make it larger.


Which of the following can you conclude about point Y from this graph?


I. light intensity does not limit the rate of photosynthesis

II. the plant has stopped photosynthesising

III. the rate of photosynthesis could be limited by a shortage of water or CO2

a)

I and II only

b)

I and III only

c)

II and III only

d)

I, II and III

206.

Four test-tubes are set up as shown.


Click on the picture to make it larger.


Which test-tube contains the most carbon dioxide after one hour?

a)

A

b)

B

c)

C

d)

D

207.
How does temperature affects photosynthesis rate?
a)
As temperature increases, photosynthesis rate also increases.
b)
As temperature decreases, photosynthesis rate also decreases.
c)
Plants cannot photosynthesis if the temperature is too cold or too hot. 
d)
All of the statements are true.
208.
What is the purpose  of an enzyme?
a)
give permission for the reaction
b)
raise activation energy
c)
speed up reactions
d)
control how many reactions occur
209.
Enzymes provide a site where reactants called substrates can be brought together in an enzyme-catalyzed reaction. The site is called the
a)
enzyme substrate complex.
b)
reaction site.
c)
active site.
d)
lock and key.
210.

Enzymes are "Specific", which best describes this?

a)

function best under certain environmental conditions

b)

speeds up only one type of reaction.

c)

can catalyze the same reaction over and over again.

211.

Which letter represents the Product ?

a)

B

b)

C

c)

D

d)

E

212.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
213.
At 40 degrees Celsius, your biological enzymes will...
a)
Functional optimally
b)
Denature
c)
Wait until the temp. increases
d)
Wait until the temp. decreases
214.

Transpiration

a)

It is the losss of water as water vapour from the aerial parts/stems and leaves of the plants

b)

The process of removal of water as water droplets from the aerial parts/leaf/stomata of a plant.

c)

Exudation of sap from injured parts of a plant.

d)

The loss of water in the from of water vapour from the surface of the leaf only.

215.

Which of the following indicates the pathway of water through a plant?

a)

root hair cell --> xylem --> stomata

b)

stomata --> root hair cell --> xylem

c)

xylem --> stomata --> root hair cell

216.

Which statement describes the phloem transport system of plants?

a)

It transports sugar and is lignified

b)

It transports sugar and is not lignified

c)

It transports water and is lignified

217.

Which type of plant tissue transports water and minerals?

a)

Meristem

b)

Phloem

c)

Xylem

218.

Select all of the environmental factors that would increase transpiration.

a)

Increased humidity

b)

Increased wind speed

c)

Increased temperature

d)

Decreased surface area

219.

Which label points to palisade mesophyll?

a)

B

b)

G

c)

J

d)

H

220.

Which letter points to the leaf vein?

a)

A

b)

D

c)

J

d)

G

221.

Which label points to the region where photosynthesis takes place?

a)

A

b)

B

c)

I

d)

D

222.

Which label points to the transparent layer?

a)

A

b)

B

c)

D

d)

F

223.

Which letter points to the guard cells?

a)

H

b)

I

c)

J

d)

G

224.

Choose the two statements that indicate what would be happening in the plant when stomata are open.

a)

Guard cells are turgid

b)

Guard cells are plasmolysed

c)

Transpiration increase

d)

Transpiration decrease

225.

Which transport process occurs during transpiration?

a)

Diffusion

b)

Osmosis

c)

Active transport

226.

Which statement correctly identifies the substance and direction it is transported in the xylem?

a)

Water, only upwards

b)

Glucose, only upwards

c)

Water, up and down the plant

d)

Glucose, up and down the plant

227.

Which statement correctly identifies the substance and direction it is transported in the phloem?

a)

Water, only upwards

b)

Water, up and down the plant

c)

Glucose, only upwards

d)

Glucose, up and down the plant

228.

What is the purpose of the valve shown by the arrow?

a)

Lets you move the air bubble back to the start of the scale for the next test

b)

Lets you remove the water

c)

Transpiration is measured here

d)

You can add a second leafy shoot here

229.

Which conditions tended to give the highest rate of transpiration in our potometer experiments?

a)

high light intensity

b)

high temperature

c)

high wind speed

d)

high humidity

230.

High wind speed causes a greater rate of transpiration because...

a)

The wind removes water vapour from the air around the leaves maintaining the concentration gradient for diffusion

b)

wind gives the gases in the air more KE

c)

water vapour can get blown back inside the leaves through the stomata

231.
When humans burn fossil fuels, most of the carbon quickly enters the                       as carbon dioxide.
a)
Water
b)
Atmosphere
c)
Sun
d)
Air
232.
How does the carbon in grass become part of a lion?
a)
The lion eats the grass
b)
Carbon from grass doesn't end up in a lion. 
c)
The carbon ends up in the lion's food chain. 
d)
The lion breathes in carbon given out by the plant
233.
In what process is Carbon transformed into chemical energy?
a)
Photosynthesis
b)
Respiration
c)
Primary Production
d)
Secondary Production
234.
All of the carbon in existence is continually recycled in the carbon cycle
a)
True
b)
False
235.
Which of the following removes carbon from the atmosphere?
a)
Combustion
b)
Respiration
c)
Photosynthesis
d)
Death
236.
Carbon can be found in...?
a)
The atmosphere
b)
Inside of the Earth
c)
Fossil fuels
d)
All of the above!
237.
Why is the ocean important to the carbon cycle?
a)
It keeps sediment containing carbon underwater for millions of years
b)
The ocean gives out more carbon then it takes in (increases global warming)
c)
The ocean isn't important to the carbon cycle.
238.
Carbon dioxide is produced by the burning of fossil fuels
a)
True
b)
False
239.

Since the mid- 1800's, _____________ activity has significantly altered the carbon cycle.

a)

animal

b)

plant

c)

unknown

d)

human

240.
If the plant population decreased, the amount of carbon would _________.
a)
Stay the same
b)
Increase
c)
Decrease
241.
What are the products of aerobic respiration?
a)
Glucose and oxygen
b)
Carbon dioxide and water
c)
Lactic acid
d)
Carbon monoxide
242.
What are the products of anaerobic respiration?
a)
Glucose and oxygen
b)
Carbon dioxide and water
c)
Lactic acid
d)
Carbon monoxide
243.

Breathing is ...

a)

Breaking down food

b)

Making noise

c)

Inhaling and Exhaling Air

d)

Producing energy from food

244.

Respiration is ...

a)

Breaking down food

b)

Making noise

c)

Inhaling and Exhaling Air

d)

Producing energy from glucose

245.
What type of respiration requires oxygen?
a)
Aerobic
b)
Anaerobic
246.
What type of respiration does not require oxygen?
a)
Aerobic
b)
Anaerobic
247.
Which type of respiration is most efficient?
a)
Aerobic
b)
Anaerobic
248.
Where in the cell does aerobic respiration take place?
a)
Nucleus
b)
Cytoplasm
c)
Mitochondria
d)
Cell membrane
249.
Which organ excretes carbon dioxide?
a)
Lungs
b)
Liver
c)
Heart
d)
Kidney
250.
What is the waste energy from respiration given off as?
a)
Heat
b)
Light
c)
Sound
d)
Kinetic
251.

Which of the following do we NOT use the energy gained through respiration for:

a)

Movement

b)

Growth and Repair

c)

Sleeping

d)

Building new molecules

252.
Which is the correct description of aerobic respiration?
a)
A physical reaction that takes place in the presence of oxygen in cells to release energy.
b)
A chemical reaction that takes place in the absence of oxygen in cells to release energy.
c)
A chemical reaction that takes place in the presence of oxygen in cells to release energy.
d)
A chemical reaction that takes place in the presence of oxygen in cells using energy.
253.
What are the products of anaerobic respiration in yeast and plant cells?
a)
Carbon monoxide + Ethanol + Energy
b)
Ethanol + Energy
c)
Carbon dioxide + Ethanol + Energy
d)
Carbon dioxide + Ethanol + Water
254.
What is the balanced symbol equation for RESPIRATION?
a)
C6H12O6 → 2C3H6O3 + Energy
b)
C6H12O6 + H2O → 2CO3 + O2 + Energy
c)
C6H12O6 + 3O2 → 3CO2 + 3H2O + Energy
d)
C6H12O6 + 6O2 → 6CO2 + 6H2O + Energy
e)
C6H12O6 + O2 → CO2 + H2O + Energy
255.

What is the independent variable in this investigation?

a)

Carbon dioxide concentration

b)

Temperature

c)

Light intensity

d)

Volume of oxygen produced

256.

Auxins are responsible for _____________ of a plant

a)

Colour change

b)

Watering

c)

Phototropism

d)

Growth

257.

Where is auxin formed

a)

Tip of stem and root

b)

Leaves

c)

Embryo

d)

All

258.

Which hormone promotes seed germination?

a)

abscisic acid

b)

ethylene

c)

gibberellin

d)

auxin

259.

My banana has become black and soft. This is because of

a)

Auxins

b)

Cytokinins

c)

Ethylene

d)

Abscisic acid

e)

Gibberellins

260.

Phototropism is

a)

The plant response to water

b)

The plant response to light

c)

The plant response to gravity

d)

The plant response to soil

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