Revision questions Y10 exam     Total 62 marks
Q1.
Living organisms are made of cells.
(a)     Animal and plant cells have several parts. Each part has a different function.
Draw one line from each cell part to the correct function of that part.
 
(3)
(b)     The diagram below shows a cell from a plant leaf.
 
Which two parts in the diagram above are not found in an animal cell?
1. _________________________________________________________________
2. _________________________________________________________________
(2)
(Total 5 marks)
Q2.
The digestive system breaks down food into small molecules.
The small molecules can be absorbed into the blood.
The diagram below shows the human digestive system.
 
(a)     (i)      Which letter, A, B, C, D, E or F, shows each of the following organs?
 
Write one letter in each box.	 	
large intestine		
small intestine		
stomach		
(3)
(ii)     Different organs in the digestive system have different functions.
Draw one line from each function to the organ with that function.
 
(3)
(b)     Glucose is absorbed into the blood in the small intestine.
Most of the glucose is absorbed by diffusion.
How does the glucose concentration in the blood compare to the glucose concentration in the small intestine?
 
Tick (✔) one box.	 	
The concentration in the blood is higher.		
The concentration in the blood is lower.		
The concentration in the blood is the same.		
(1)
(Total 7 marks)
Q3.
The diagrams show four types of cell, A, B, C and D.
Two of the cells are plant cells and two are animal cells.

(a)     (i)      Which two of the cells are plant cells?
Tick () one box.
 
A and B	 	
A and D	 	
C and D	 	
(1)
(ii)     Give one reason for your answer.
______________________________________________________________
______________________________________________________________
(1)
(b)     (i)      Which cell, A, B, C or D, is adapted for swimming?     
(1)
(ii)     Which cell, A, B, C or D, can produce glucose by photosynthesis?     
(1)
(c)     Cells A, B, C and D all use oxygen.
For what process do cells use oxygen?
Draw a ring around one answer.
 
osmosis	photosynthesis	respiration	
(1)
(Total 5 marks)
Q4.
The bar chart shows the concentration of oxygen in the blood in three different blood vessels, X, Y and Z.
 
(a)     (i)      What is the concentration of oxygen in blood vessel X?
Answer _____________ arbitrary units.
(1)
(ii)     Which blood vessel, X, Y or Z, carries blood from the lungs to the heart?
 
(1)
(b)     Draw a ring around the correct answer to complete each sentence.
 
 	 	plasma.	
(i)	Most of the oxygen in the blood is carried by the	red blood cells.	
 	 	white blood cells.	
(1)
(ii)     Oxygen combines with a coloured pigment in the blood.
 
 	alveoli.	
This coloured pigment is called	haemoglobin.	
 	lactic acid.	
(1)
(Total 4 marks)
Q5.    Many people in the UK take sleeping pills.
(a)     The drug thalidomide was developed as a sleeping pill in the 1950s. In the 1960s thalidomide was banned. Recently thalidomide has been used to treat other diseases.
Name one disease thalidomide is used to treat now.
___________________________________________________________________
(1)
(b)     The table shows information about the development of a new sleeping pill.
 
Type of test
or trial	Preclinical	Clinical
phase 1	Clinical
phase 2	Clinical
phase 3	
Tested or
trialled on	Cells,
tissues or
animals	20 −100
healthy
volunteers	100 − 500
volunteer
patients	1000 − 5000
volunteer
patients	
Number of
compounds
tested	>10 000	5 −10	2 − 3	1
(new sleeping
pill)	
Time taken
for test or
trial in years	1− 4	2− 4	1 − 3	2 − 4	
(i)      What is the shortest time taken to develop a new sleeping pill?
________________ years
(1)
(ii)     What is the range for the number of volunteers needed to complete all the clinical trials for the new sleeping pill?
______________________________________________________________
(1)
(c)     Drugs are trialled to check for side effects on people.
Give one other reason why drugs are trialled
________________________________
___________________________________________________________________
(1)
(d)     The pie chart shows the impact on the health of the population caused by drugs from different sources.
 
(i)      Legal non-prescribed drugs have a greater impact on the health of the population than illegal drugs.
Suggest two reasons why.
______________________________________________________________
______________________________________________________________
_____________________________________________________________________________________________________________________________________
______________________________________________________________
(2)
(ii)     Drugs change chemical processes in a person’s body.
Why is it difficult for a person to stop taking certain drugs?
______________________________________________________________
______________________________________________________________
(1)
(Total 7 marks)
Q6.
Scientists investigated the effect of different factors on health.
(a)     People who are not active may have health problems.
The graph shows the percentage of 16-year-olds in some countries who are not active.
 
(i)      What percentage of 16-year-olds in the UK are not active?
_____________ %
(1)
(ii)     What percentage of 16-year-olds in the UK are active?
_____________ %
(1)
(iii)    A newspaper headline states:
 
Information in Figure 1 does not support the newspaper headline.
Suggest one reason why the newspaper headline may be wrong.
______________________________________________________________
______________________________________________________________
(1)
(b)     Doctors gave a percentage rating to the health of 16-year-olds.
100% is perfect health.
The table shows the amount of exercise 16-year-olds do and their health rating.
 
Amount of exercise done in minutes every week	Health rating as %	
Less than 30	72	
  90	76	
180	82	
300	92	
What conclusion can be made about the effect of exercise on health?
Use information from the table.
___________________________________________________________________
___________________________________________________________________
(1)
(c)     Inherited factors can also affect health.
Give one health problem that may be affected by the genes someone inherits.
Draw a ring around the correct answer.
 
being
malnourished	having a high
cholesterol level	having a
deficiency disease	
(1)
(d)     White blood cells are part of the immune system.
Use the correct answer from the box to complete each sentence.
 
antibiotics	antibodies	pathogens	vaccines	
(i)      When we are ill, white blood cells produce _______________________ to kill microorganisms.
(1)
(ii)     Many strains of bacteria, including MRSA, have developed resistance to drugs called
______________________________________________________________
(1)
(Total 7 marks)
Q7.
Villi are found in some parts of the digestive system.
Diagram 1 shows two villi.
 
(a)     Draw a ring around the correct answer to complete each sentence.
 
 	 	muscle.	
(i)	Structure A is a	nerve.	
 	 	capillary.	
(1)
 
 	 	dialysis.	
(ii)	The villi absorb the products of digestion by	diffusion.	
 	 	osmosis.	
(1)
(b)     Diagram 2 shows the digestive system.
 
(i)      In which part of the digestive system, X, Y or Z, are most villi found?
 
(1)
(ii)     There are about 2000 villi in each cm2 of this part of the digestive system.
Why is it helpful to have lots of villi?
______________________________________________________________
______________________________________________________________
(1)
(Total 4 marks)

Q8.(a)     List A gives four structures in the human body.
List B gives the functions of some structures in the body.
Draw a straight line from each structure in List A to the correct function in List B.
List A – Structure	 	List B – Function	
 	 	Surround and protect the lungs	
Alveoli	 	 	
 	 	Filter the blood	
Veins	 	 	
 	 	Carry blood towards the heart	
Villi	 	 	
 	 	Absorb digested food	
Ribs	 	 	
 	 	Allow oxygen to enter the blood	
(4)
(b)     Draw a ring around the correct answer to complete the sentence.
 
 	diffusion.	
In the lungs, oxygen enters the blood from the air by	filtration.	
 	respiration.	
(1)
(Total 5 marks)

Q9.Human cells and yeast cells have some parts that are the same.
(a)     The diagram shows a yeast cell.
 
Parts A and B are found in human cells and in yeast cells. On the diagram, label parts A and B.
(2)
(b)     Many types of cell can divide to form new cells.
Some cells in human skin can divide to make new skin cells.
Why do human skin cells need to divide?
___________________________________________________________________
___________________________________________________________________
(1)
(c)     Human stem cells can develop into many different types of human cell.
(i)      Use the correct answer from the box to complete the sentence.
 
embryos	hair	nerve cells	
Human stem cells may come from
______________________________________________________________
(1)
(ii)     Use the correct answer from the box to complete the sentence.
 
cystic fibrosis	paralysis	polydactyly	
Human stem cells can be used to treat
______________________________________________________________
(1)
(Total 5 marks)
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