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Biology Revision

Total questions: 101

Worksheet time: 1hrs 2mins

Name
Class
Date
1.
Identify the structure the arrow is pointing to
a)
right atrium
b)
right ventricle
c)
left atrium
d)
left ventricle
2.
Identify the structure the arrow is pointing to
a)
right atrium
b)
right ventricle
c)
left atrium
d)
left ventricle
3.
Identify the structure the arrow is pointing to
a)
right atrium
b)
right ventricle
c)
left atrium
d)
left ventricle
4.
Identify the structure the arrow is pointing to
a)
right atrium
b)
right ventricle
c)
left atrium
d)
left ventricle
5.
Identify the structure the arrow is pointing to
a)
right atrium
b)
right ventricle
c)
left atrium
d)
left ventricle
6.
Identify the structure the arrow is pointing to
a)
right atrium
b)
right ventricle
c)
left atrium
d)
left ventricle
7.
Identify the structure the arrow is pointing to
a)
Pulmonary Vein
b)
Pulmonary Artery
c)
Vena Cava
d)
Aorta
8.
Identify the structure the arrow is pointing to
a)
Pulmonary Vein
b)
Pulmonary Artery
c)
Vena Cava
d)
Aorta
9.
Identify the structure the arrow is pointing to
a)
Pulmonary Vein
b)
Pulmonary Artery
c)
Vena Cava
d)
Aorta
10.
Identify the structure the arrow is pointing to
a)
Pulmonary Vein
b)
Pulmonary Artery
c)
Vena Cava
d)
Aorta
11.
Identify the structure the arrow is pointing to
a)
Valves
b)
Septum
c)
Pulmonary
d)
Systemic
12.
Identify the structure the arrow is pointing to
a)
Valves
b)
Septum
c)
Pulmonary
d)
Systemic
13.
The arrow indicates the
a)
Right ventricle
b)
Pulmonary artery
c)
Left ventricle
d)
Right atrium
14.
The arrow indicates the
a)
Right ventricle
b)
Aorta
c)
Right atrium
d)
Atrium
15.
The arrow indicates the
a)
Right atrium
b)
Left ventricle
c)
Right ventricle
d)
Left atrium
16.
The arrow indicates the 
a)
Left ventricle
b)
Pulmonary artery
c)
Right atrium
d)
Pulmonary veins
17.

Where is deoxygenated blood found in the heart?

a)

Only in the right atrium.

b)

In the right atrium and right ventricle.

c)

Only in the left atrium.

d)

In the left atrium and left ventricle.

18.

Where is oxygenated blood found in the heart?

a)

Only in the right atrium.

b)

In the right atrium and right ventricle.

c)

Only in the left atrium.

d)

In the left atrium and left ventricle.

19.

If fatty deposits form inside the coronary artery, the blood flow to the cardiac muscle

a)

increases

b)

decreases

20.

If fatty deposits form inside the coronary artery, the artery becomes

a)

wider

b)

narrower

21.

If fatty deposits form inside the coronary artery, the cardiac muscle receives

a)

more oxygen

b)

less oxygen

22.

If fatty deposits form inside the coronary artery, the cardiac muscle receives less oxygen, causing

a)

the rate of reparation to increase

b)

the rate of respiration to decrease

23.

What is this

a)

statin treatment

b)

stent treatment

24.

Statins are drugs that

a)

reduce blood cholesterol

b)

dissolve the fat inside arteries

25.

Statins lower blood cholesterol which

a)

increases the amount of cardiac muscle in the heart

b)

slows down the rate of fatty deposits inside arteries

26.

Have to take for a long time

a)

stents

b)

statins

27.

A one off operation

a)

stents

b)

statins

28.

Risk of infection from surgery

a)

stents

b)

statins

29.

Risk of negative side affects, such as headaches a kidney problems

a)

stents

b)

statins

30.

Is it possible to have a heart transplant using a donors heart

a)

yes

b)

no

31.

Is it possible to have a artificial heart (mechanical) replacement

a)

yes

b)

no

32.

Which are usually short term

a)

human donor heart

b)

artificial heart

33.

Blood flows more smoothly through your body with a natural heart than a mechanical heart

a)

giving boosts and lulls of energy levels

b)

reducing the risk of blood clots

c)

increasing the risk of cancer

34.

Fault heart valves can be replaced with valves from animals

a)

true

b)

false

35.

If is possible to have mechanical heart valves?

a)

yes

b)

no

36.

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

a)

arteries

b)

arteriosclerosis

c)

symptoms

d)

blood pressure

37.

Your heart is a ____, so it needs exercise to keep it strong.

a)

arteries

b)

arteriosclerosis

c)

muscle

d)

blood pressure

38.

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

a)

heart attack

b)

heart beat

c)

heart stopper

39.

Blocked arteries prevent blood carrying oxygen and _______________from reaching the cells of the body.

a)

oxygen

b)

glucose

c)

carbon dioxide

d)

water

40.

Limpets were found in 25 out of 50 quadrats. What percentage of quadrats contained limpets?

a)

100%

b)

25%

c)

50%

d)

75%

41.

What is a square called that we use to sample populations?

a)

grid

b)

quadrat

c)

cube

d)

quarter

42.

What type of population would you ESTIMATE using a quadrat?

a)
b)
c)
d)
43.

Ten 1m2 quadrats were placed in a 40m2 field. On average 2 snails were found in every quadrat. Estimate the population size of the whole field.

a)

2

b)

10

c)

40

d)

80

e)

20

44.

These four 1m2 squared quadrats were place in a 8m2 garden. Estimate the total population of flowers in the whole garden.

a)

16

b)

17

c)

8

d)

40

e)

20

45.

Which organism can be measured with a quadrat?

a)

lion

b)

flies

c)

rat

d)

dandelion plants

e)

fish

46.

Can a quadrat be used on a large land organism that moves around in a herd?

a)

yes - use a quadrat

b)

no - you can't use a quadrat

47.

What can a quadrat be used to measure?

a)

length

b)

weight

c)

population density

d)

volume

e)

time

48.

This 1m2 squared quadrat was place in a 3m2 beach. Estimate the total population of crabs in the whole beach.

a)

15

b)

12

c)

18

d)

6

e)

5

49.

Which of the following is true about quadrats?

a)

quadrats should be placed randomly so that a representative sample is taken

b)

you should look at the results from several quadrats in an area to reduce the effect of an unusual distribution

c)

the results are more reliable when you look at the results from many quadrats

d)

All the above are true

50.

What is the best way to place a quadrat?

a)

Place it where you like

b)

Divide the sample area into a grid and use a random number generator to choose a square.

c)

Throw the quadrat so it's random

d)

Divide the sample area into a grid and choose a square.

51.

An area of 5m2 was sampled using a quadrat to find a total of 10 sunflowers. If the area of the field was 200m2 , what is the estimated number of sunflowers in the field?

a)

50

b)

20

c)

40

d)

400

52.

When sampling organisms in a certain area using a quadrat you also need to know...

a)

Area of the quadrats

b)

Sum of area covered by quadrats and the field

c)

Area of the field & area covered by quadrats

d)

Area of the field

53.
Unbiased sampling is:
a)
when you choose the group you think will represent the sample
b)
when any member of the population is equally likely to be chosen for the sample
54.

What is a Belt Transect?

a)

A way of sampling a changing habitat

b)

A way of sampling a non-changing habitat

c)

A way of keeping up your pants

55.
Fermentation involves
a)
aerobic respiration
b)
anaerobic respiration 
56.

What is required for aerobic respiration?

a)

Nitrogen

b)

Glucose

c)

Carbon dioxide

d)

Oxygen

57.

An enzyme from the stomach that digests protein, and cooked egg white that contains protein, are placed in four test-tubes.

When the egg white is digested the mixture becomes clear.

Which tube becomes clear first?

a)

A

b)

B

c)

C

d)

D

58.

The temperature of an enzyme-controlled reaction is increased by 10°C.

How does this affect the rate of reaction?

a)

It always increases the rate.

b)

It always decreases the rate.

c)

It may increase or decrease the rate.

d)

It has no effect on the rate.

59.

The diagram shows an experiment on diffusion. More sugar diffuses out of the bag than diffuses in.

What is the concentration of sugar in solution X?

a)

10%

b)

20%

c)

30%

d)

40%

60.

What is an example of osmosis?

a)

Carbon dioxide goes out through the stomata of a leaf.

b)

Digested food is absorbed from the small intestine.

c)

Oxygen goes into the blood from an alveolus.

d)

Water enters a plant root from the soil.

61.

Cilia are present on the surface of the cells of the trachea. The cilia of a smoker work less effectively than those of a non-smoker.

How does this affect the smoker?

a)

Less carbon dioxide is released.

b)

Less oxygen is released.

c)

More bacteria enter the lungs.

d)

More mucus is removed from the lungs.

62.

The diagrams show the arrangement of cells in a section of a green leaf.

Which arrow represents the diffusion of the most oxygen during bright sunlight?

a)
b)
c)
d)
63.

Which elements do carbohydrates contain?

a)

carbon, hydrogen and oxygen

b)

carbon, hydrogen and sulfur

c)

carbon, nitrogen and oxygen

d)

carbon, nitrogen and sulfur

64.

What is a function of the human blood system?

a)

carrying eggs from the ovary to the uterus

b)

carrying glucose from the gut to the liver

c)

carrying partly digested food from the mouth to the stomach

d)

carrying urine from the kidney to the bladder

65.

What is defined as the chemical reactions that break down food molecules in cells to release energy?

a)

excretion

b)

movement

c)

digestion

d)

respiration

66.

The graph shows how the rate of an enzyme-controlled reaction changes with temperature. What is happening within the temperature range marked X?

a)

The enzyme is becoming denatured.

b)

The enzyme is becoming denatured.

c)

The reaction is occurring at body temperature.

d)

The reaction is occurring at the optimum temperature.

67.

Which organ produces urea?

a)

bladder

b)

kidneys

c)

liver

d)

lungs

68.

Which organ removes urea?

a)

bladder

b)

kidneys

c)

liver

d)

lungs

69.

Auxins are responsible for _____________ of a plant

a)

Colour change

b)

Watering

c)

Phototropism

d)

Growth

70.
The root of a plant growing down. 
a)
Positive Gravitropism 
b)
Negative Gravitropism 
c)
Thigmotropism
d)
Hydrotropism
71.
Which plant hormone is a gas?
a)
auxin
b)
gibberellin
c)
ethene
d)
cytokinin
72.

Where is auxin formed

a)

Tip of stem and root

b)

Leaves

c)

Embryo

d)

All

73.

Auxins are responsible for _____________ of a plant

a)

Colour change

b)

Watering

c)

Phototropism

d)

Growth

74.

What happens when you place an over ripe banana (which produces ethene) in a fruit bowl with other fruit?

a)

Nothing will happen

b)

The other fruit will grow in size

c)

Ethene gas will cause the fruit to grow mold

d)

Ethene gas will cause the other fruit to ripen

75.

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

76.
Which hormone promotes seed germination?
a)
abscisic acid
b)
ethylene
c)
gibberellin
d)
auxin
77.

Where is auxin formed

a)

Tip of stem and root

b)

Leaves

c)

Embryo

d)

All

78.

Which of the following is the correct equation for PHOTOSYNTHESIS?

a)

CO2 + H2O --> O2 + glucose

b)

CO2 + glucose + H2O --> O2

c)

O2 + H2O --> CO2 + glucose

d)

CO2 + O2 + H2O --> glucose

79.
Hormone related to the growth of the plant in response to tropisms
a)
Auxin
b)
Cytokinins
c)
Ethene
d)
Absisic acid
80.
When the plant grows toward the stimuli
a)
Positive
b)
Negative
81.
When the plant responds to gravtiy
a)
Phototropism
b)
Thigmotropism
c)
Gravitropism
d)
Hydrotropism
82.
Breaks seed dormancy and promotes growth (can make fruit bigger)
a)
Auxin
b)
Gibberellin
c)
Cytokinins
d)
Ethene
83.
Helps fruit ripen
a)
Auxin
b)
Gibberellin
c)
Cytokinins
d)
Ethene
84.
The root of a plant growing down. 
a)
Positive Gravitropism 
b)
Negative Gravitropism 
c)
Thigmotropism
d)
Hydrotropism
85.
The shoot of a plant growing up. 
a)
Positive Gravitropism 
b)
Negative Gravitropism 
c)
Thigmotropism
d)
Hydrotropism
86.

Which one is Auxin?

a)

Used in Killing Weeds, Growing from Cuttings and Growing in Tissue Culture

b)

Used in Inducing Flowering, Controlling Dormancy and Growing Larger Fruit

c)

Used in Speeding up the Ripening Fruit

87.

Which one is Gibberellin?

a)

Used in Killing Weeds, Growing from Cuttings and Growing in Tissue Culture

b)

Used in Inducing Flowering, Controlling Dormancy and Growing Larger Fruit

c)

Used in Speeding up the Ripening Fruit

88.

Which one is Ethene?

a)

Used in Killing Weeds, Growing from Cuttings and Growing in Tissue Culture

b)

Used in Inducing Flowering, Controlling Dormancy and Growing Larger Fruit

c)

Used in Speeding up the Ripening Fruit

89.

Which one is a Habitat?

a)

The place where an organism lives

b)

All the organisms of one species living in a habitat

c)

The populations of different species living in a habitat

d)

The interaction of a community of living organisms with the non-living parts of the environment

90.

Which one is a Population?

a)

The place where an organism lives

b)

All the organisms of one species living in a habitat

c)

The populations of different species living in a habitat

d)

The interaction of a community of living organisms with the non-living parts of the environment

91.

Which one is a Community?

a)

The place where an organism lives

b)

All the organisms of one species living in a habitat

c)

The populations of different species living in a habitat

d)

The interaction of a community of living organisms with the non-living parts of the environment

92.

Which one is a Ecosystem?

a)

The place where an organism lives

b)

All the organisms of one species living in a habitat

c)

The populations of different species living in a habitat

d)

The interaction of a community of living organisms with the non-living parts of the environment

93.

Which are the Abiotic factors?

a)

Non-Living factors of the environment e.g. temperature

b)

Living factors of the environment e.g. food

94.

Which are the Biotic factors?

a)

Non-Living factors of the environment e.g. temperature

b)

Living factors of the environment e.g. food

95.

What do plants need in order to survive?

a)

Space

b)

Light

c)

Water

d)

Food

e)

Mates

96.

What do animals need in order to survive?

a)

Space

b)

Light

c)

Water

d)

Food

e)

Mates

97.

Which are Abiotic Factors?

a)

Moisture Level

b)

Light Intensity

c)

Temperature

d)

CO2 Levels

e)

Wind Intensity

98.

Which are Biotic Factors?

a)

New Predators

b)

Competition

c)

New Pathogens

d)

Food Availability

e)

Soil PH

99.

Which of these are Structual Adaptations?

a)

Shape

b)

Colour

c)

Migration

d)

Reproduction

e)

Metabolism

100.

Which of these are Behavioural Adaptations?

a)

Shape

b)

Colour

c)

Migration

d)

Reproduction

e)

Metabolism

101.

What do Food Chains start with?

a)

Producers

b)

Primary Consumers

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