WorksheetsYear 10 GCSE Biology
Total questions: 50
Worksheet time: 50mins
What is used to test for proteins?
Benedicts
Biuret
Ethanol
Iodine solution
Which of these diseases could antibiotics treat?
Measles
Gonorrhoea
Tobacco Mosaic Virus
Rose Black Spot
Painkillers, such as Paracetamol, kill pathogens. True or False?
True
False
State the function of the ribosomes in a cell.
Where energy is released through aerobic respiration.
Controls what enters and leaves a cell.
The site of photosynthesis.
Produces proteins.
Antigens are:
Proteins on the surfaces of cells, for cell recognition.
Produced in response to an infection.
A type of white blood cell.
Diseases caused by bacteria.
CIllia are:
Microscopic hairs on the surface of ciliated cells.
Mucus producing cells.
Light detecting cells.
A type of white blood cell.
Malaria is caused by:
A fungi
A protist
A bacteria
A virus
A risk factor is:
Something that increases your chance of getting a disease.
Something that will always kill you.
Always a side effect of disease.
Is 'bad' behaviour.
An example of a prokaryotic cell is:
A virus
A bacterial cell
An animal cell
A plant cell
If an enzyme is exposed to temperatures that are too hot it will:
Die
Disintegrate
Denature
Deform
Name the vessel in plants that transports water.
Phloem
Chloroplast
Stem
Xylem
Antibodies are:
Proteins that bind to specific antigens on pathogens.
Proteins produced by red blood cells.
Proteins that are the same as enzymes.
Proteins that are produced by bacteria.
Bacteria cause harm to humans because they:
Release antibodies.
Release toxins which make you feel ill.
Multiply rapidly inside cells.
Release antigens which damage cells.
Which of these is a type of pathogen?
Antibody
Antigen
Protist
Measles
During digestion, lipids (fats) are broken down into:
Amino acids
Glucose
Starch
Fatty acids and glycerol
How do viruses cause symptoms of disease?
Release toxins which damage cells.
Release antibodies which cells react to.
Reproduce inside body cells, causing damage
Release antigens.
Benedicts solutions is used to test for Carbohydrates. If carbohydates are present, Benedicts will turn:
Light blue
Deep purple
Black
Brick red
Malaria is spread by:
Air droplets
Female mosquitos
Through bacteria
Through direct contact with an infected person
What does the stomach have to defend against pathogens?
Hydrochloric acid
Cillia
A churning mechanism
Enzymes for digestion
Define a 'placebo'.
Neither the doctors nor the patients know who gets the real drug
A drug which includes the medicine being tested
A fake drug
A drug that contains antibodies.
Describe 'transpiration'.
The movement of water in the plant, it happens in the phloem
The movement of sugar in the plant, it happens in the phloem.
The movement of water in the plant, it happens in the xylem.
The movement of water in the plant, it happens in the xylem.
Alveoli have thin walls. How does this make them adapted for gas exchange?
Increases their surface area.
Maintains a steep concentration gradient for efficient diffusion.
Provides a short diffusion pathway.
Ensures that the diaphragm can contract.
Coronary Heart Disease is:
When the coronary veins become blocked with fatty deposits.
When the heart muscle tissue does not receive enough Carbon Dioxide.
Can be treated with antibiotics.
When the coronary arteries become blocked with fatty deposits.
Stents can be used to treat:
A blocked coronary artery.
A fast heart rate.
Cancer
Diseases of the atria
Name the upper two chambers of the heart.
Left and right ventricles
Vena Cava
Left and right atria
Aorta
Arteries:
Carry blood back to the heart
Carry blood away from the heart
Have very thin walls
Have a large lumen
State the function of the platelets.
Fighting infection
Involved in blood clotting
Produce antibodies
Carry oxygen
During digestion, absorption of food molecules into the blood stream takes place in:
The large intestine
The liver
The stomach
The small intestine
Name the enzyme that digests starch.
Amylase
Lipase
Protease
Catalyse
What makes up vaccines?
Antibodies
Pathogens that are alive.
Dead / inactive pathogens
Antigens
Name the three parts of a plant cell that are not present in animal cells.
Chloroplast, vacuole, nucleus.
Cell wall, cell membrane, ribosomes.
Chloroplast, cell wall, mitochondria.
Cell wall, vacuole, chloroplast.
Convert 5mm to micrometres.
5000µm
5µm
50µm
50000µm
State the equation that links magnification, image size and actual size.
Image Size = Actual Size x Magnification
Image Size = Actual Size / Magnification
Actual Size = Image Size x Magnification
Magnification = Actual Size / Image Size
Define 'catalyst'.
A substance that speeds up chemical reactions but don't get used up
A type of pathogen
The site on an enzyme where the substrate binds
The model that describes how enzymes work.
Where can you get adult stem cells from?
Embryos
Bone Marrow
The meristem
Inside the stomach
Define 'tissue'.
A type of cell
A type of organ
A group of organs working together for a specific function.
A group of cells with similar structure working together for a specific function.
Briefly describe the first stage in the cell cycle.
Two identical cells are produced.
Cytoplasm splits in two.
Nucleus divides in two.
Cell size increase, DNA and organelle replication
Which of these organisms will have the largest surface area to volume ratio? (surface area:volume).
An elephant
A human
A mouse
A dolphin
Where are root hair cells found?
In human hair follicles.
In the fur of animals
In the roots of plants
In the stems of plants
Diffusion:
Requires energy
Is the movement of particles from an area of high concentration to an area of low concentration.
Is the movement of particles from an area of low concentration to an area of high concentration.
Is the movement of water only.
Define concentrated:
A solution with a low water concentration, but high solute concentration.
A solution without water in it.
A solution with a high water concentration, but low solute concentration.
A solution that only contains solutes.
Gas exchange in the alveoli is:
Carbon dioxide diffusing into the capillaries and oxygen diffusing into the alveoli.
Oxygen diffusing into the capillaries and carbon dioxide diffusing into the alveoli.
Cell differentiation is when:
Cells become unspecialised.
Stem cells are made.
Cells become specialised.
Cells die.
In which part of the plant cell does photosynthesis take
place?
Chloroplast
Mitochondria
Ribosome
Cell wall
In which part of the cell does respiration
take place?
Chloroplast
Mitochondria
Vacuole
Ribosome
Which part of the digestive system produces bile?
Liver
Small intestine
Stomach
Gall bladder
The hypothesis for explaining how enzymes work is called:
The Lock and Key Hypothesis
The Jigsaw Hypothesis
The Complementary Shape Hypothesis
The Active Site Hypothesis
Communicable diseases are:
Diseases that cannot be caught off someone else.
Spread by pathogens.
Cancers.
Not contagious
Herd immunity is:
The protection given to a population against an outbreak of a specific disease when a very high percentage of the population have been vaccinated against it.
The body's defence system against entry of any foreign body, including pathogen.
When a person's body is not prone to a disease because they have a resistance to it, due to a vaccination.
When a pathogen can easily spread through a population.
What prevents the back flow of blood in veins?
The lumen
Muscle
Valves
The blood is under high pressure
