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Worksheets

revision for year 10

Total questions: 60

Worksheet time: 1hrs 1mins

Name
Class
Date
1.
What is the total magnification of a microscope with two lenses when one lens has a magnification of 10x, and the other lens has a magnification of 30x?
a)
15x
b)
30x
c)
40x
d)
300x
2.
When you focus on a new specimen, always begin with
a)
low power and coarse adjustment.
b)
low power and fine adjustment
c)
high power and coarse adjustment
d)
high power and fine adjustment
3.
What part is 3?
a)
eye piece
b)
base
c)
arm 
d)
coarse adjust
4.
What is part 1?
a)
eye piece
b)
body tube
c)
arm
d)
coarse adjust
5.

The greater the ___________________, the smaller the field you are actually viewing.

a)

detail

b)

objective

c)

magnification

d)

body

6.

Moves stage up and down for focusing; locates the specimen

a)

Fine Focus Knob

b)

Large Focus Knob

c)

Course Focus Knob

d)

Small Focus Knob

7.

Lenses used to change the magnification of the specimen

a)

Body Tube

b)

Eyepiece

c)

Objective lenses

d)

Diaphragm

8.
How many microns (µm)
= 1 mm?
a)
1,000
b)
1,000,000
c)
10,000
d)
100,000
9.
To calculate magnification we use......
a)
image size x actual size
b)
image size ÷ actual size
c)
actual size ÷ image size
10.
To calculate image size we use.....
a)
actual size x magnification
b)
magnification ÷ actual size
c)
actual size ÷ magnification
11.

To calculate actual size we use.....

a)

image size ÷ magnification

b)

image size x magnification

c)

magnification ÷ image size

12.

Josie measured the scale bar image to be 80 mm. What is the magnification of this electron micrograph?

a)

160X

b)

0.00625 X

c)

0.16X

d)

25,000X

13.

What steps should Burt use follow to calculate the actual size of each bacterial cell?

a)

Step 1: Calculate the magnification by measuring the scale bar image ÷ actual size

Step 2: Measure image of bacterial cell ÷ magnification

b)

Step 1: Calculate the magnification by measuring the scale bar image x actual size

Step 2: Measure image of bacterial cell ÷ magnification

c)

Step 1: Measure the image of the bacterial cell

Step 2: Divide the image size by the scale bar size

d)

He can't, it is impossible to calculate

14.
Which structures are found in every living cell?
a)
cell membrane and cytoplasm
b)
chloroplasts and mitochondria
c)
a cell wall and nucleus
d)
chloroplasts and cell wall
15.
Which cell structure is found in plant and animals cells and controls what can come into or leave a cell?
a)
cell membrane
b)
cytoplasm
c)
nucleus
d)
vacuole
16.
What is the function of the cell nucleus found in both plant and animal cells?
a)
to produce energy
b)
to control cell activity
c)
to remove waste products
d)
to allow molecules to enter the cell
17.
All cells need energy to function.  Which cell organelle is responsible for producing energy in the cell?
a)
chloroplasts
b)
mitochondria
c)
nucleus
d)
vacuoles
18.
What is the function of a cell wall?
a)
to protect and support the cell
b)
to perform different functions in each cell
c)
to prevent water from passing through it
d)
to prevent oxygen from entering the cell
19.
In what part of the plant cell does the process of photosynthesis take place?
a)
nucleus
b)
mitochondria
c)
chloroplasts
d)
vacuoles
20.
Cells with a nucleus and membrane-bound organelles are called ____________________.
a)
prokaryotes
b)
eukaryotes
c)
bacteria
d)
protists
21.

Stem cells are

a)

undifferentiated or unspecialized cells in the body.

b)

differentiated or specialized cells in the body.

c)

only found in the inner mass cells of blastocyst

d)

only found in a fetus

22.

a cell that has the most potential, able to become any type of cell.

a)

Totipotent

b)

Pluripotent

c)

Multipotent

23.

partially differentiated, with only the capacity to become one cell type.

a)

Totipotent

b)

Pluripotent

c)

Multipotent

24.
Stem cells are ____________________.
a)
cells that grow uncontrollably
b)
undifferentiated and can turn into any type of cell
c)
those that never go through cell division
d)
differentiated cells that do one job
25.
Stem cells can be obtained from _________.
a)
embryos
b)
some adult tissues
c)
umbilical cord blood
d)
all of the above
26.
What is the difference between embryonic stem cells and adult stem cells?
a)
Embryonic can differentiate into more cell types than adult
b)
Adult only turn into blood, while embryonic turn into many things.
c)
Adult can differentiate into more cell types than embryonic
d)
Adult grow bigger than embryonic
27.
Which is true about embryonic stem cells?
a)
They no longer divide; their cell type is set and cannot change.
b)
They can develop into only one type of cell.
c)
They can become any cell type in the body.
d)
They are found in adults.
28.
5?
a)
Aorta
b)
Pulmonary Valve
c)
Atrium
d)
Ventricle
29.
2?
a)
Right Atrium
b)
Right Ventricle
c)
Left Atrium
d)
Left Ventricle
30.
1?
a)
Right Ventricle
b)
Right Pulmonary Vein
c)
Superior Vena Cava
d)
Inferior Vena Cava
31.
8?
a)
Left Atrium
b)
Left Pulmonary Arteries
c)
Left Pulmonary Veins
d)
Left Ventricle
32.
3?
a)
Superior Vena Cava
b)
Right Pulmonary Vein
c)
Right Ventricle
d)
Right Atrium
33.
4?
a)
Superior Vena Cava
b)
Right Pulmonary Artery
c)
Right Pulmonary Vein
d)
Inferior Vena Cava
34.
6?
a)
Left Ventricle
b)
Left Pulmonary Artery
c)
Left Pulmonary Vein
d)
Aorta
35.
7?
a)
Left Atrum
b)
Left Ventricle
c)
Mitrial Valve
d)
Aortic Valve
36.
9?
a)
Left Ventricle
b)
Left Atrium
c)
Left Pulmonary Vein
d)
Left Pulmonary Artery
37.
Pumps oxygen-poor blood to the lungs
a)
Right Ventricle
b)
Right Atrium
c)
Left Ventricle
d)
Left Atrium
38.
Receives blood from the body that is low in oxygen and high in carbon dioxide
a)
Right Atrium
b)
Right Ventricle
c)
Left Atrium
d)
Left Ventricle
39.

Pumps the oxygen-rich blood to all parts of the body

a)

Right Ventricle

b)

Left Ventricle

c)

Right Atrium

d)

Left Atrium

40.
Carries the blood from the ventricle to the body
a)
Aorta
b)
Atrium
c)
Valve
d)
Septum
41.
This is the thickest of the blood vessels. It leads away from the heart.
a)
veins
b)
capillaries
c)
arteries
42.

What is the meaning of coronary heart disease (CHD)?

a)

A disease of the damage septum in heart

b)

A disease when you eat a lot of unhealthy food

c)

A disease when your coronary arteries become narrower because the plaque buildup

d)

A disease when you become lazy to do exercise

43.

The heart is made up from

a)

Epithelial tissue

b)

Nervous tissue

c)

Connective tissue

d)

Muscle tissue

44.

Stenting procedure is

a)

The insertion of wire mesh to open up the blockage artery

b)

An expanded balloon to opening up the blood vessel

c)

An open surgery that takes another artery from the other part of the body

d)

The insertion of a catheter into the blood vessel

45.

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

a)

wider

b)

narrower

46.

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

a)

increases

b)

decreases

47.

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

a)

wider

b)

narrower

48.

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

a)

more oxygen

b)

less oxygen

49.

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

50.

What is this

a)

statin treatment

b)

stent treatment

51.

Statins are drugs that

a)

reduce blood cholesterol

b)

dissolve the fat inside arteries

52.

A one off operation

a)

stents

b)

statins

53.

Risk of infection from surgery

a)

stents

b)

statins

54.

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

a)

stents

b)

statins

55.

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

a)

yes

b)

no

56.

Which are usually short term

a)

human donor heart

b)

artificial heart

57.

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

58.

Fault heart valves can be replaced with valves from animals

a)

true

b)

false

59.

If is possible to have mechanical heart valves?

a)

yes

b)

no

60.

Electric instruments that doctors place inside a person's chest to control the heartbeat.

a)

heart attack

b)

Pacemaker

c)

stroke

d)

angioplasty

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