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WorksheetsBiology Paper 1 - AQA GCSE - Simple Overview
Total questions: 55
Worksheet time: 43mins
Which of these is not an organelle [cell structure] in an animal cell?
Nucleus
Ribosomes
Mitochondria
Permanent Vacuole
Bacteria cells do not contain a nucleus, instead they have (a) .
(a) = Real SizeImage size
Which has a higher magnification?
Electron Microscope
Light Microscope
(a) : the process by which cells specialise to perform specific functions.
Which of these are adaptations of a Nerve Cell? [2]
Long
Branched connections
"hair" like structure
Dead cells
Which organelle contains the genetic information?
Nucleus
Ribosomes
Mitochondria
Vacuole
(a) : the process by which cells divide in order to replace or grow new body cells.
How is binary fission different to mitosis. [2]
The cell completely splits in two.
All organelles duplicate, not the genetic information.
DNA is not duplicated
Name an advantage of using embryonic stem cells in treatment.
Can make any cell
Cannot make any cell
Easily harvested
Moral implications
Which part of a plant contains stem cells?
Leaf
Stem
Root
Meristem
(a) : the passive spreading out of particles from an area of high concentration to an area of low concentration.
Dissolved substances in the digestive system can move in and out by diffusion because of which organelle?
Cell wall
Cell membrane
Nucleus
Ribosomes
(a) : the passive movement of water particles across a partially permeable membrane from an area of high concentration to an area of low concentration.
_____: The movement of particles against the concentration gradient using energy.
Osmosis
Diffusion
Active Transport
Name one example of active transport.
(a)
Carbon Dioxide and Oxygen diffuse in and out of cells in and organism, during ___ ________.
(a)
Which of these are adaptations of exchange surfaces [a surface for exchange of dissolved molecules e.g. CO2 or O2 ] [2]
Thin membranes
Large Surface Areas
Close to blood supply
Name one example of an organ that is adapted to exchanging substances with the environment.
(a)
Name the cell structure in the small intestine that aids absorption of useful food molecules [hint, finger like projections]
(a)
Which of these are adaptations of the structure of a leaf to allow efficient gas exchange?
Air spaces in the structure
Stomata/Open holes at the surface of the leaf
Photosynthesis
Villi
Which structure in a fish is adapted for gas exchange.
(a)
(a) : a large group of cells that all perform a particular function.
A group of organs is called a:
Cell
Tissue
Organism
Organ Systems
The method that enzymes use to break down specific substances for that specific enzyme is called..?
(a)
Which of these cause an enzyme to denature? [2]
pH
Temperature
CO2 concentration
O2 concentration
Name 2 places amylase are produced in the body.
Saliva
Pancreatic Fluid
Small Intestine
Stomach
Name 2 products of the reaction between Lipids and Lipase.
Glycerol
Fatty Acids
Amino Acids
Maltose
Bile is stored in the ____ ______
(a)
Name 2 ways that Alveoli are adapted for their function.
Large surface area : volume ratio
Close to blood supply
Large quantity
They are stretchy
Why are there valves in the heart/veins?
(a)
The heart has 4 chambers, the left and right ventricle and the left and right (a) .
Name 2 ways that Arteries are adapted for their function?
Thick walls
Elastic muscle fibres
Large lumen
Valves
The red blood cell having no (a) means they can have more haemoglobin.
The shape of a red blood cell is named a _________ shape.
Biconcave
Concave
Oval
Circular
Name one advantage of utilising statins [drugs that break down "bad cholesterol" in arteries]
Reduce the risk of strokes
They can be taken regularly
Side effects [negative]
Over time impact
There are 2 types of tumours, benign and (a)
Which of these is a Non-Communicable disease
Cancer
The common cold
Cholera
COVID-19
Which one of these is not a tissue in a leaf?
Chlorophyll
Mesophyll
Stomata
Palisade Wall
(a) : a plant structure that carries food from the leaf to the stem and root.
What type of cell helps open/close the stomata?
(a)
Which of these is not a factor impacting transpiration?
Temperature
Humidity
Light Intensity
Water availability
Which one of these is a way bacteria make us feel ill?
By invading our internal organs
By spreading toxic substances
By using our cells as a vector
By creating spore
Which one of these is an impact on a plant that is infected by the tobacco mosaic virus?
Prohibits photosynthesis
Creates a pattern on the plant
Uncontrollable growth
Flowering plant
The stomach contains (a) , this kills off pathogens.
Which of these is not a method for White Blood Cells kill pathogens?
Phagocytosis [engulfing the threat]
Producing antibodies
Producing antitoxins
Asking it nicely
A ______ ______ _______ is a type of trial where both the doctor and patient are unaware of the actual value of the drug distributed during the test.
(a)
B- (a) are taken from small organisms, such as rats, to produce monoclonal antibodies.
Which of these is not a defensive adaptation of plants?
Thorns
Bark
Colourful
Bad Tasting
What is the organelle responsible for Photosynthesis?
Chloroplasts
Vacuole
Nucleus
Cytoplasm
6CO2+6H2O = (a) + 6O2
Which of these is not a limiting factor of photosynthesis?
CO2 Concentration
Light Intensity
Temperature
O2 Concentration
(a) respiration: when the body turns oxygen and glucose into energy and carbon dioxide.
What is the harmful product produced during anaerobic respiration?
Lactic Acid
Glycerol
Cholesterol
Amino Acids
In which organ is lactic acid converted back into glucose [often producing oxygen debt]
(a)
