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WorksheetsYear 11 - Paper 1 Biology
Total questions: 92
Worksheet time: 52mins
What is the main difference between a prokaryotic and eukaryotic cell?
(a)
Give an example of a prokaryotic cell.
Animal cells
Bacteria
Plant cells
Eukaryotic cells have which sub-cellular structures?
Cell membrane, cytoplasm and genetic material in a nucleus.
Cell membrane, cell wall, and genetic material in a nucleus.
Vacuole, cell wall, and genetic material in a nucleus.
What is the function of cell wall?
Where respiration takes place
Controls the activities of the cell
Supports/ Strengthens the cell
What is the function of the nucleus?
Where chemical reactions of the cell takes place
Absorb light for photosynthesis
Controls the activities of the cell
What is the function of cell membrane?
Supports/Strengthens the cell
Controls what enters/exits the cell
Absorb light for photosynthesis
What is the function of the vacuole?
Store sugars and salts
Controls the activities of the cell
Where chemical reactions of the cell takes place
What is the approximate size of a prokaryotic cell
10-100µm
0.1-5.0μm
What is meant by "micro"
1/1,000,000th (1 millionth)
1/1,000,000,000 (1 billionth)
Define "cell division"
A cell becoming specialised to perform a particular function
The splitting of a cell into two genetically identical daughter cells
Name 3 specialised cells found in the animals
Nucleus
Muscle cell
Cell membrane
Sperm cell
Nerve cell
State the function of a muscle cell
Produce movement
Carry information from one part of the body to another
Fertilise the female egg
State the function of a nerve cell
Produce movement
Carry information from one part of the body to another
Fertilise the female egg
State three adaptations of a sperm cell
Enzymes in it's head to penetrate egg
Tail for movement
Small in size
Lots of mitochondria to release energy
State two adaptations of a nerve cell
Long axon to cover large distances
Biconcave shape
Dendrites to connect to other neurones
Flexible
State the function of a xylem cell
Transport glucose within a plant
Carry water from roots to leaves
State two adaptations of a root hair cell
Thin cell wall
Thick cell wall
Large surface area
State the function of a phloem cell
Transport glucose within a plant
Carry water from roots to leaves
State two adaptations of a xylem cell
Less sub-cellular structures
Lignin to strengthen cells
End walls have sieve plates to allow glucose through
End walls broken down to form hollow tubes
How do you calculate the magnification?
(a)
Which microscope has the lowest resolution?
Electron microscopes
Light microscope
Which microscope allows to see inside an object?
Transmission Electron Microscope
Light microscope
Scanning microscope
Which sub-cellular structures can you see with a higher resolution?
(a)
Define "tissue"
A group of different tissues working together to fulfil a function
A group of similar specialised cells working together to fulfil a function
A group of different organs working together to fulfil a function
Define "organ system"
A group of similar specialised cells working together to fulfil a function
A group of different organs working together to fulfil a function
A group of different tissues working together to fulfil a function
Put into order of size (smallest to largest): cell, organism, nucleus, tissue, organ system, organ
(a)
Name the 3 stages of the cell cycle
(a)
Describe what happens during cytokinesis
Cell membrane and cytoplasm split in two
Chromosomes pulled to opposite ends of the cell
Describe what happens during mitosis
Cell membrane and cytoplasm split in two
Chromosomes pulled to opposite ends of the cell
State what is produced in the cell cycle
(a)
Mitosis produces which type of cells?
Haploid cells
Diploid cells
Name 3 places where stem cells can be found in humans
Embryos
White blood ells
Adult bone marrow
Red blood cell
Meristem
State two uses of stem cells in plants
Clone rare species
To help them grow
Produce disease resistant crops
Which cells are required for therapeutic cloning?
Egg cell and a normal body cell from patient
Sperm cell and a normal body cell from patient
What is the name for a disease that can NOT be passed on from person to person?
Communicable
Non-communicable
State three factors other than disease that can have an impact on health
Background
Diet
Stress
Life events
What is the name given to a disease causing microorganism?
Virus
Pathogens
Fungi
Name 2 organs effected by drinking alcohol
Brain
Kidney
Liver
Heart
Name 2 potential impacts of smoking
Lung disease
Liver Cancer
Brain Cancer
Lung Cancer
Liver disease
Name 3 viral diseases
Malaria
HIV
Salmonella
Measles
TMV (Tobacco mosaic virus)
State 2 symptoms of measles
Fever
Sweating
Red skin rash
Fatigue
State 2 symptoms of HIV
Flu-like symptoms
Fever
AIDS
Red skin rash
State 4 symptoms of salmonella
Vomiting
Fever
AIDS
Cramps
Diarrhoea
State 4 symptoms of salmonella
Vomiting
Fever
AIDS
Cramps
Diarrhoea
State 2 symptoms of rose black spot
Purple/black spots on leaves.
Leave swell up
Leaves turn yellow & drop off
State 3 ways that pathogens can be spread
Direct contact
Sex
Water
Air
How do bacteria make us feel unwell?
Produce toxins (poisons) that damage tissues
Live & reproduce in cells causing cell damage
Name 4 of the body's non-specific defence systems
Skin
Liver
Nose
Stomach
Trachea
How does the trachea prevent pathogens from making us unwell?
Mucus to trap dirt & pathogens, ciliated cells to sweep it out
Prevent them from entering body
Stomach acid to kill pathogens
State three ways that white blood cells can help to defend us against pathogens
Phagocytosis
Antibody production
Lymphocytosis
Antitoxin production
Which type of white blood cell carries out antibody and antitoxin production?
Phagocytes
Lymphocytes
Define "malignant tumour"
Growth of abnormal cells that SPREAD to other parts of the body in blood and INVADE other tissues.
Growth of abnormal cells contained in ONE area in a membrane
What is the name given to the chemical that is sprayed on plants to kill weeds?
Fertilisers
Pesticides
Herbicides
What is the name of respiration that occurs without oxygen?
Anaerobic
Aerobic
What is the balanced symbol equation for aerobic respiration
C6H12O6 + 6O2 -> 6CO2 + 6H2O
C6H12O6 -> 2C3H6O3
What is the name of the sheet of muscle beneath the lungs?
Alveoli
Diaphragm
Lungs
What is the scientific name for the air sac?
Alveoli
Diaphragm
Lungs
Which type of vessel enters the heart?
Arteries
Veins
What is the name of the blood vessel that enters the heart from the body?
Pulmonary artery
Aorta
Vena Cava
Pulmonary vein
What is the name of the blood vessel that goes to the lungs from the heart?
Pulmonary artery
Aorta
Vena Cava
Pulmonary vein
What is the name of the blood vessel that goes from the heart to the rest of your body?
Pulmonary artery
Aorta
Vena Cava
Pulmonary vein
What is the name of the drug that reduces that amount of cholesterol in a persons body?
(a)
What is the name of the specialised cell that is designed to fight pathogens?
White Blood Cell
Platelets
Red Blood Cell
What is the name of the specialised cell that helps to clot our blood?
White Blood Cell
Platelets
Red Blood Cell
Which enzyme breaks down lipids
Lipase
Amylase
Protease
Which enzyme breaks down protein
Lipase
Amylase
Protease
Which enzyme is produced by the salivary glands?
(a)
Write the word equation for the digestion of fats
Starch -> glucose
lipids -> fatty acids + glycerol
Proteins -> amino acids
Write the word equation for the digestion of carbohydrates
Starch -> glucose
lipids -> fatty acids + glycerol
Proteins -> amino acids
What is the name of the process where food is pushed down the food pipe?
(a)
What is the name of the specialised plant cell adapted to open and close the stomata of a plant?
Guard Cell
Root Hair Cell
Palisade cell
What is the name of the specialised cell that is adapted to absorb lots of light energy in the leaf?
Guard Cell
Root Hair Cell
Palisade cell
What is the chemical in chloroplasts that allow plant cells to absorb lots of light energy?
(a)
Which type of plant tissue is made up of sieve cells and companion cells?
Xylem
Phloem
Stoma/Stomata
Which tissue in a plant transports water?
Xylem
Phloem
Stoma/Stomata
Define the term "osmosis"
(a)
Define 'active transport'
(a)
Name the process by which glucose is moved from a leaf to other parts of the cell
Transpiration
Translocation
State four factors that increases the rate of transpiration
High wind intensity
Low wind intensity
High light intensity
arid (dry)
High temperature
Name the two reactants in photosynthesis
Oxygen and glucose
Carbon Dioxide and water
Describe what happens to the rate of photosynthesis as light intensity increases
Rate increases and then decreases
Rate increases and then remains constant
Describe what happens to the rate of photosynthesis as temperature increases
Rate increases and then decreases
Rate increases and then remains constant
State three limiting factors for photosynthesis
(a)
Which substance is used to test for the presence of sugar?
Iodine solution
Benedict's solution
Biuret's solution
Which substance is used to test for the presence of protein?
Iodine solution
Benedict's solution
Biuret's solution
What colour will iodine solution turn in the presence of starch?
Blue/black
Purple
Creamy white
What colour will ethanol solution turn in the presence of fats?
Blue/black
Purple
Creamy white
Name 4 methods of cloning
Tissue culture
Manufacturing
Cuttings
Embryo transplant
Adult cell
Describe the process of "embryo transplant"
(a)
State 3 examples of side effects caused by monoclonal antibodies
Headache
Fever
Ear pains
Muscle pains
Nausea
Define "metabolism"
(a)
During metabolism, lipids are formed from which molecules?
Glycerol
Cellulose
Starch
Fatty acids
