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IGCSE Big Quizzz - Triple Award

Total questions: 115

Worksheet time: 2hrs 54mins

Name
Class
Date
1.
Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have ...
a)
16 chromosomes.
b)
46 chromosomes.
c)
8 chromosomes.
d)
4 chromosomes.
2.
Structure (b) is a ____.
a)
chromosome
b)
chromatid
c)
centromere
d)
nucleosome
3.
Structure (c) is a ____.
a)
chromosome
b)
chromatid
c)
centromere
d)
dogma
4.
Name the phase:
a)
Anaphase
b)
Telophase
c)
Metaphase
d)
Prophase
5.
What is the next phase of mitosis?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
6.
What is the next phase of mitosis?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
7.
Name this phase.
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
8.
What is this phase?
a)
Anaphase
b)
Cytokinesis
c)
Telophase
d)
Metaphase
9.

How are enzymes defined?

a)

A chemical catalysts

b)

A microorganism

c)

A biological catalyst

d)

An inorganic catalysts

10.

The current model describing enzyme action is referred to as the...

a)

Induced-fit Model

b)

Lock & Key Model

c)

Singer-Nicolson Model

d)

Davson-Danielli Model

11.
At high temperatures enzyme activity declines because of:
a)
Denaturation
b)
Decreased Kinetic Motion
c)
Increased H-Bonding
d)
Dissociation of Ionic Compounds
12.

The graph shows the effect of temperature on enzyme action. Describe characteristic that enzymes E1, E2, and E3 share?

a)

Their activity increases between 20°C and 30°C.

b)

Their activity is greatest between 5°C and 10°C.

c)

Their activity is at a low level between 15°C and 25°C.

d)

Their activity is at a high level between 30°C and 40°C.

13.

Which organ produces digestive enzymes and secretes them into the duodenum?

a)

liver

b)

stomach

c)

pancreas

d)

gallbladder

14.

What are the two roles of bile?

a)

Emulsify lipids and neutralise stomach acid

b)

Break down lipids to fatty acids and glycerol

c)

Acidify the gastric juices and digest protein

d)

Absorption and Assimilation

15.

Examining the data, explain what is happening on a molecular level to enzymes E1, E2, and E3 between 15°C - 25°C

a)

All 3 enzymes have been denatured

b)

Enzyme E1, has low kinetic energy and enzymes E2, and E3 have denatrued

c)

All 3 enzymes have low kinetic energy

d)

Enzyme E1, has denatured and enzymes E2, and E3 have low kinetic energy

16.
The part of the digestive system which is highlighted represents:
a)
Oesophagus
b)
Small intestine
c)
Stomach
d)
Trachea
17.
Series of involuntary contractions along the walls of the digestive tract
a)
Peristalsis
b)
Epiglottis
c)
Pepsin
d)
Stomach
18.
The organ that stores bile.
a)
gall bladder
b)
stomach
c)
liver
d)
appendix
19.

Protein is broken down into ______________ before they are asborbed into the small intestines.

a)

fatty acids

b)

amino acids

c)

citric acid

d)

hydrochiloric

20.
Identify Letter A
a)
Bowman's Capsule
b)
Afferent Arteriole
c)
Efferent Arteriole
d)
Glomerulus
21.
Urine is carried from the kidneys to the bladder by two thin tubes called:
a)
Ureters
b)
Tubulars
c)
Capillaries
d)
Urinary Tract 
22.
Identify Letter H
a)
Ureter
b)
Renal Capsule
c)
Renal Coretx
d)
Renal Medulla/Pyramid
23.
Identify Letter G
a)
Ureter
b)
Renal Capsule
c)
Renal Coretx
d)
Renal Medulla
24.
5?
a)
Aorta
b)
Pulmonary Valve
c)
Atrium
d)
Ventricle
25.
3?
a)
Superior Vena Cava
b)
Right Pulmonary Vein
c)
Right Ventricle
d)
Right Atrium
26.
7?
a)
Left Atrum
b)
Left Ventricle
c)
Mitrial Valve
d)
Aortic Valve
27.

What is J? (the highlighted letter)

a)

Semilunar valves

b)

Septum

c)

Atrioventricular (mitral valve)

d)

Chordae tendineae

28.
A flap of tissue that prevents blood from flowing backward
a)
Aorta
b)
Atrium
c)
Septum
d)
Valve
29.
Which of the following define diastole and systole
a)
systole is the contraction of the heart and diastole is the relaxation of the heart
b)
diastole is the contraction of the heart and systole is the relaxation of the heart
c)
diastole and systole are both contractions of the heart
d)
diastole and systole are both relaxation phases of the heart
30.

State what urine is a combination of

a)

Faecal matter

b)

Water

c)

Blood

d)

Salts

e)

Urea

31.
In RNA, Uracil pairs with ______. 
a)
cytosine
b)
adenine
c)
guanine
d)
thymine
32.
The process to go from DNA to mRNA is _______
a)
translation
b)
transcription
c)
replication
33.
The process to go from mRNA to a protein is called ____
a)
transcription
b)
rRNA
c)
replication
d)
translation
34.
Choose the nucleotide sequence of the RNA strand that would be complementary to the following strand: 
GTAGTCA
a)
UATUAGA
b)
ACGACTG
c)
CAUCAGU
d)
CATCAGT
35.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
36.
What is the three base sequence of mRNA that codes for a single amino acid?
a)
Anticodon
b)
Codon
c)
Protein
37.

What is the process in the image?

a)

Replication

b)

Transcription

c)

Translation

d)

Photosynthesis

38.
What is the correct amino acid that corresponds the mRNA codon CAG? 
a)
histadine
b)
glutamine
c)
adenine
d)
valine
39.
What is this diagram represent?
a)
mRNA
b)
tRNA
c)
rRNA
d)
DNA
40.
In what process is Carbon transformed into chemical energy?
a)
Photosynthesis
b)
Respiration
c)
Primary Production
d)
Secondary Production
41.
Which level has the most energy available?
a)
producer
b)
primary consumer
c)
secondary consumer
d)
tertiary consumer
42.
How much energy is available to be passed on to the next trophic level in an ecosystem?
a)
100%
b)
10%
c)
50%
d)
75%
43.
Which organism has the most energy and which organism has the least amount of energy? Choose the best answer. 
a)
mosquito and grass
b)
mouse and grass
c)
grass and owl
d)
grass and small bird
44.
Which best describes what a food chain shows you?
a)
Energy flow through an ecosystem
b)
Food flowing through an ecosystem
c)
Consumers going into other consumers
d)
Who eats who
45.
Another name for a consumer is a
a)
heterotroph
b)
autotroph
c)
producer
d)
plant
46.
What is the term for each step in the transfer of energy and matter within a biological community?
a)
energy path
b)
food web
c)
trophic level
d)
food pyramid
47.
What is happening at 1?
a)
respiration: releasing CO2
b)
decomposing CO2 in the soil
c)
photosynthesis: absorbing CO2
d)
turning CO2 from the atmosphere into organic molecules
48.
What part of the water cycle does this picture show?
a)
condensation
b)
precipitation
c)
evaporation
49.
What is it called when plants give off water vapor as a waste product?
a)
condensation
b)
evaporation
c)
sublimation
d)
transpiration
50.
what does the #4 show in the diagram?
a)
condensation
b)
evaporation
c)
precipitation
d)
run off
51.
Organisms require nitrogen to make which of the following?
a)
glucose and starch
b)
lipids and nucleic acids
c)
proteins and nucleic acids
d)
carbohydrates and proteins
52.
The process where excess nutrients enter body of water causing overgrowth of aquatic plants and algae...
a)
Eutrophication
b)
Acid Precipitation
c)
Nitrogen Fixation
d)
Decomposition
53.
Bacteria fix nitrogen on plant roots. Plant roots provide sugar to bacteria. This is an example of _______.
a)
mutualism
b)
parasitism
c)
commensalism
d)
competition
54.
What happens to the nitrogen excreted by animals?
a)
Nitrates are reabsorbed by the animal.
b)
Nitrogen is converted into ammonia.
c)
Nitrogen is released back into the environment.
d)
Nitrates are converted into proteins.
55.
The offspring from asexually reproduced organisms are?
a)
Different than their parents
b)
Identical to parents
c)
Like a combination from both parents
d)
A different species
56.
Which organ produces eggs?
a)
A
b)
B
c)
C
d)
D
57.
Where does fertilisation take place?
a)
Ovary
b)
Womb
c)
Vagina
d)
Fallopian tube
58.
The root of a plant growing down. 
a)
Positive Gravitropism 
b)
Negative Gravitropism 
c)
Thigmotropism
d)
Hydrotropism
59.
What type of tropism is seen here?
a)
hydrotropism
b)
phototropism
c)
geotropism
d)
thigmotropism
60.
When a plant bends towards a light source, this is known as:
a)
 positive geotropism
b)
 negative geotropism
c)
positive phototropism
d)
negative phototropism
61.

what type of tropism is occurring here?

a)

phototropism

b)

thigmotropism

c)

geotropism

d)

tropictropism

62.

what hormone do plants use to respond to their environment?

a)

testosterone

b)

estrogen

c)

auxin

d)

gibberlins

63.
Letter H is pointing to the ___.
a)
Thyroid
b)
Parathyroid
c)
Pancreas
d)
Adrenal Glands
64.
A tissue or group of tissues that make and releases hormones. 
a)
Endocrine System
b)
Pancreas
c)
Flight or Fight Response
d)
Glands
65.
This gland/organ produces ___ when your blood sugar level is high.
a)
GH
b)
ADH
c)
Glucagon
d)
Insulin
66.
Maintaining a constant body temp, supply of glucose, amount of water, and pH are examples of
a)
negative feedback
b)
enzymes and substrates
c)
positive feedback
d)
chemical digestion
67.

What region of the brain co-ordinates thermoregulatory responses?

a)

Amygdala

b)

Hypothalamus

c)

Limbic system

d)

Cerebellum

68.
a signal molecule that transmits nerve impulses across synapses
a)
neuron
b)
neurotransmitter
c)
nerve
d)
action potential
69.
part of a neuron that receives information from other neurons
a)
axon
b)
dendrites
c)
myelin sheath
d)
synapse
70.
Gaps in the myelin sheath are called this.
a)
Nodes of Ranvier
b)
Axon terminals 
c)
Synapses
d)
Neurotransmitters
71.
What is letter B
a)
Optic nerve
b)
Lens
c)
Cornea
d)
Retina
72.
Which layer is a blood vessel-rich layer with a dark brown membrane? 
a)
Choroid
b)
Sclera
c)
Retina
d)
Cornea
73.
What is letter I?
a)
Cornea
b)
Lens
c)
Vitreous humor
d)
Optic nerve
74.

The thick, tough, white outer covering of the eyeball.

a)

pupil

b)

retina

c)

rods

d)

sclera

75.
What are the main parts of the Central Nervous System?
a)
Brain & Chest
b)
Spinal Cord & Spinal Nerves
c)
Brain & Spinal Cord
d)
Heart & Brain
76.
In this picture, the red line represents a(n)
a)
motor neuron
b)
sensory neuron
c)
receptor
d)
interneuron
77.
Label the Neuron-What does the letter "C" represent?
a)
Cell Body
b)
Dendrite
c)
Axon Terminal
d)
Myelin Sheath
78.
Label the Neuron-What does the letter "E" represent?
a)
Schwann Cell
b)
Node of Ranvier
c)
Axon Terminal
d)
Myelin Sheath
79.
Label the Neuron-What does the letter "A" represent?
a)
Axon
b)
Dendrite
c)
Axon Terminal
d)
Cell Body
80.
What is the fluid in this portion of the eye called?
a)
aqeous humor
b)
otic humor
c)
vitreous humor
d)
oris humor
81.
Which part of the eye is this?  
a)
Pupil
b)
Retina
c)
Optic Nerve
d)
Lens
82.

what is the opaque colored structure?

a)

retina

b)

Lens

c)

cornea

d)

cataract

e)

choroid

83.
The theory of evolution by natural selection means that what is changing over time?
a)
The inherited traits of a population.
b)
The acquired traits of a population.
c)
Hair color and eye color
d)
Attractive features.
84.
Survival of the Fittest and Evolution were proposed by what scientist?
a)
Charles Darwin
b)
Albert Einstein
c)
Steven Hawking
d)
Isaac Newton
85.
Which of the following means "genetic change over time"
a)
natural selection
b)
speciation
c)
evolution
d)
fitness
86.
The trees these moths used to live on were white, but have been covered in soot from coal factories. Which moth will be more successful in this environment?
a)
Dark moth
b)
Light moth
c)
Both will be equally successful
d)
Neither will be successful
87.
All rabbits living in a particular area would be an example of a(n)
a)
population
b)
species
c)
fossil
d)
individual organism
88.
An organism's appearance or other observable characteristics:
a)
phenotype
b)
recessive
c)
genotype
d)
dominant
89.
An organism's genetic make-up:
a)
phenotype
b)
recessive
c)
genotype
d)
dominant
90.

A chemical or physical agent that causes mutations is called a:

a)

Mutant

b)

Carcinogen

c)

Mutagen

d)

Extracellular Agent

91.

A mutation is defined as:

a)

A change in the cell's structure

b)

Anything that changes in an embryo

c)

Any change in the physical features of a human

d)

A change in the DNA sequence

92.
Using the codon chart here or at your table to identify the amino acid sequence:
AUG-CCA-GUA-GGG-UAA
a)
MET-HIS-ALA-GLY-STOP
b)
MET-PRO-GLY-VAL-STOP
c)
MET-PRO-VAL-GLY-STOP
d)
MET-THR-SER-ASP-STOP
93.
The diagram shows the process of
a)
Transcription
b)
Translation
c)
Replication
d)
Mitosis
94.

The air sacs that are covered with capillaries where gas exchange takes place is _________?

a)

Bronchi

b)

Trachea

c)

Oxygen

d)

Alveoli

95.
We can test the presence of carbon dioxide in exhaled air by bubbling it into .................... . 
a)
limewater
b)
lime juice
c)
lime
d)
water
96.
What are the products of cellular respiration?
a)
Energy (ATP), Water, and Carbon DIoxide.
b)
Water and Oxygen
c)
Oxygen and Carbon Dioxide
d)
Water and Energy (ATP)
97.
Identify the diaphragm.
a)
C
b)
D
c)
E
d)
F
98.
What is the tube that is also known as your windpipe?
a)
Esophagus
b)
Bronchi
c)
Trachea
d)
Alveoli
99.

What are the main muscles of inhalation?

a)

The diaphragm and intercostal muscles

b)

The scalenes and the abdominal muscles

c)

The diaphram and abdominal muscles

d)

The diaphragm and latissimus muscles

100.

A contraction of the diaphragm during inhalation causes it to flatten. What else does the contraction result in?

a)

An increase in the volume of the thoracic cavity

b)

Increase in alveolar pressure

c)

A decrease in lung volume

d)

A decrease in the volume of the thoracic cavity

101.

What pressure gradient is exhalation triggered by?

a)

The pressure in the lungs is less than the pressure of the atmosphere

b)

The pressure in the lungs is greater than the pressure of the atmosphere

102.

Which addictive component of tobacco smoke causes an increase in blood pressure?

a)

carbon monoxide

b)

carcinogens

c)

nicotine

d)

tar

103.
Thick, sticky, dark fluid when tobacco burns is called
a)
Nicotine
b)
Ammonia
c)
Tar
d)
Cilia
104.
A disease in which the lining of the airways becomes very swollen and irritated is...
a)
Emphysema
b)
Bad Breath
c)
Chronic Bronchitis
105.
A disease in which the tiny air sacs and wall of the lungs destroyed and permanently damaged is....
a)
Emphysema
b)
Chronic Bronchitis
c)
Chronic Cough
d)
High blood pressure
106.
Tiny, hair-like projections that move together in sweeping motion
a)
ribcage
b)
trachea
c)
pharynx
d)
cilia
107.

Which of the following tests for protein?

a)

Iodine

b)

Benedicts

c)

Biuret

d)

Emulsion

108.

Which of the following tests for glucose?

a)

Iodine

b)

Benedicts

c)

Biuret

d)

Emulsion

109.

When protein is present Biuret turns...

a)

purple

b)

blue-black

c)

orange

d)

brick red

110.

How do you test for lipids?

a)

By using Ethanol and water

b)

By using Benedicts solution

c)

By using Iodine

d)

By using Biuret test

111.
Energy from carbohydrates is converted to a substance in our body for a storage which is called .......
a)
Glucose
b)
Sucrose
c)
Starch
d)
Glycogen
112.
What are lipids mostly made of?
a)
Sugar and Honey
b)
Glycerol and Fatty Acids
c)
Water and Salt
d)
Oxygen 
113.
Which vitamin is needed to prevent the disease Rickets
a)
Vitamin D 
b)
Vitamin A
c)
Vitamin C
d)
Vitamin B12
114.
Which mineral is essential for nerve impulses and fluid balance
a)
Iron
b)
Calcium
c)
Magnesium
d)
Sodium
115.
Which mineral is needed for hemoglobin formation in red blood cells, for oxygen transport? 
a)
Magnesium 
b)
Calcium
c)
Iron
d)
Sodium

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