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Course: Alhussan Biology — Stage 7
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Alhussan Biology — Stage 7

Chapter 1: Classification and Life

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Chapter 2: Cells and Organisation

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Chapter 3: Microorganisms and Decomposers

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Chapter 4: The Physical Environment and Water Cycle

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Quiz

2.8 Tissues and organs in animals — Quiz

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  • Questions count: 50
  • Passing grade: B+
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1.
Breathing rate at different exercise levels. Which has the greatest value?
Dr Dabour Hub Academy - figure 1
Walk
Rest
Jog
Sprint
2.
Skin is about 16% of body mass. What is the mass of skin in a 50 kg person?
8.0 kg
800.0 kg
3.1 kg
34.0 kg
3.
Mass of some organs in an adult. Which has the greatest value?
Dr Dabour Hub Academy - figure 2
Brain
Skin
Lungs
Liver
4.
A runner lost 600 g of sweat in 20 minutes. What was the mean rate?
300.0 g/min
12000.0 g/min
30.0 g/min
580.0 g/min
5.
Which statement is correct?
Smooth muscle is in the heart.
Cardiac muscle is attached to bones.
The stomach is an organ.
Organ systems work alone and never together.
6.
Sweat lost during a run. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 3
A
B
C
D
7.
Skin is about 15% of body mass. What is the mass of skin in a 50 kg person?
3.3 kg
750.0 kg
7.5 kg
35.0 kg
8.
Breathing rate at different exercise levels. What is the value for Walk?
Dr Dabour Hub Academy - figure 4
62
21
52
29
9.
Which term matches this definition? “Organ system including the stomach and intestines.”
Active transport
Muscle tissue
Digestive system
Diagram
10.
Heart rate during and after exercise. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 5
A
B
C
D
11.
Mass of some organs in an adult. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 6
A
B
C
D
12.
Breathing rate at different exercise levels. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 7
A
B
C
D
13.
Which term matches this definition? “A group of similar cells working together.”
Organ
Tissue
Differentiation
Guard cells
14.
Which statement is NOT correct?
Nervous tissue and blood vessels control and supply the stomach.
The digestive system includes the liver and pancreas.
Cardiac muscle is attached to bones.
The biggest organ is the skin.
15.
What does epithelial tissue in the stomach do?
Carries messages to the brain
Makes hydrochloric acid only
Lines the inside and protects it with mucus
Churns the food
16.
Mass of some organs in an adult. About how many times bigger is Skin than Heart?
Dr Dabour Hub Academy - figure 8
71.0
53.2
17.7
35.5
17.
Which statement is correct?
Cardiac muscle is attached to bones.
Hydrochloric acid in the stomach kills bacteria.
The heart is the biggest organ.
The stomach is an organ system.
18.
Which is the correct definition of “Smooth muscle”?
Muscle in the gut and blood vessels.
Substances such as nitrate taken from the soil.
A strong substance that strengthens xylem walls.
Pairs of cells that open and close a stoma.
19.
Which statement is correct?
The digestive system contains the lungs.
The circulatory system delivers oxygen and glucose to cells.
Skin is made of one tissue only.
Organ systems are smaller than tissues.
20.
Which term matches this definition? “A whole living thing.”
Skeletal muscle
Computer model
Organism
Reproductive system
21.
Heart rate during and after exercise. Between which two values of "Time (min)" did "Heart rate (beats/min)" change the most?
Dr Dabour Hub Academy - figure 9
0 and 2
8 and 10
10 and 12
2 and 4
22.
Heart rate rose from 60 to 160 beats/min. Calculate the percentage increase.
100%
267%
62%
167%
23.
Which term matches this definition? “Heart muscle.”
Organ system
Cardiac muscle
Muscle tissue
Xylem
24.
Heart rate during and after exercise. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 10
A
B
C
D
25.
Which statement is correct?
Organ systems work alone and never together.
The stomach is an organ system.
The digestive system contains the lungs.
Nervous tissue and blood vessels control and supply the stomach.
26.
Which statement is NOT correct?
Smooth muscle is found in the gut and blood vessels.
Skin is about 16% of body mass.
The digestive system contains the lungs.
The brain is made of nervous, connective and fat tissue.
27.
Which statement is correct?
Cardiac muscle is attached to bones.
Stomach acid helps bacteria grow.
Skin spread flat covers about 2 m².
The digestive system contains the lungs.
28.
Heart rate during and after exercise. At what value of "Time (min)" is "Heart rate (beats/min)" smallest?
Dr Dabour Hub Academy - figure 11
12
0
4
2
29.
Heart rate during and after exercise. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 12
A
B
C
D
30.
Skin is about 15% of body mass. What is the mass of skin in a 60 kg person?
900.0 kg
45.0 kg
4.0 kg
9.0 kg
31.
Sweat lost during a run. Between which two values of "Time running (min)" did "Sweat lost (g)" change the most?
Dr Dabour Hub Academy - figure 13
0 and 10
30 and 40
40 and 50
20 and 30
32.
What is the biggest organ in the human body?
Liver
Brain
Heart
Skin
33.
Which term matches this definition? “Tissue that makes secretions such as enzymes.”
Plant tissue
Epithelial tissue
Model
Glandular tissue
34.
A runner lost 600 g of sweat in 30 minutes. What was the mean rate?
0.1 g/min
20.0 g/min
18000.0 g/min
570.0 g/min
35.
Which is the correct definition of “Organ”?
Hollow tubes of dead cells that carry water up a plant.
Muscle attached to bones.
Jelly-like substance where many reactions happen.
Several tissues working together.
36.
Mass of some organs in an adult. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 14
A
B
C
D
37.
Hydrochloric acid in the stomach kills ____.
cells of food only
vitamins
enzymes
bacteria
38.
The stomach contains ____ tissue, which produces digestive juices containing enzymes.
glandular
xylem
bone
nervous
39.
Skin is about ____% of body mass.
16
6
60
1
40.
A damaged heart valve reduces what the whole ____ can do.
organelle
body
tissue
cell
41.
The brain is made of nervous, connective and ____ tissue.
glandular
cardiac
bone
fat
42.
During exercise the respiratory and ____ systems work faster.
reproductive
excretory
digestive
circulatory
43.
All cells in a muscle tissue ____.
never contract
are dead
work alone
contract together
44.
True or false? The stomach is an organ system.
True
False
45.
True or false? Smooth muscle is in the heart.
True
False
46.
True or false? Smooth muscle is found in the gut and blood vessels.
True
False
47.
True or false? Epithelial tissue protects with a layer of mucus.
True
False
48.
True or false? The stomach is an organ system.
True
False
49.
True or false? A tissue contains many different organs.
True
False
50.
True or false? Organ systems are smaller than tissues.
True
False
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Part of Chapter 2: Cells and Organisation — see every lesson and quiz in this unit.
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