AQA GCSE Higher Biology Quiz 1

Type in the correct answer for each of the questions. Great revision for AQA GCSE Higher Separate Sciences if you're going for a 9. Good Luck!

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Last updated: September 14, 2025

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First submitted	September 13, 2025
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Question	Answer
What is the name of the substance found in the stomach that provides the optimum pH level for many enzymes to function?	Hydrochloric Acid
Which type of tumour is not bound by a membrane, so can spread into surrounding tissue and the blood, meaning that a secondary tumour can form?	Malignant
What is the name of the pathogen responsible for rose black spot disease?	Fungus
What is the name of the painkiller that came from the bark of willow trees?	Aspirin
A magnesium ion deficiency can lead to the yellowing of plant leaves as a result of a lack of chlorophyll, also known by what name?	Chlorosis
What is the name of the larger insoluble storage molecule that glucose is often converted to in plants, so they have a store of energy?	Starch
What is the name given to the sum of all the chemical reactions in the body?	Metabolism
Translocation is defined as being the movement of dissolved sugars through the what?	Phloem
What is the name of the cells in the tubes used for translocation that provide energy, as translocation is driven by active transport?	Companion Cells
Can water and dissolved minerals move in one or two directions in the xylem tube?	One
Is it xylem or phloem tubes that contain sieve plates and a continuous cytoplasm?	Phloem
What is the name of a junction between two neurones, that neurotransmitter chemicals diffuse across?	Synapse
What is the name of the hormone that raises blood glucose by stimulating breakdown of glycogen to glucose in the liver?	Glucagon
What is the name of the glands that produce adrenaline, the hormone that prepares the body for a flight or fight response?	Adrenal
What is the name of the plant hormone that stimulates seed germination, stem growth and flowering?	Gibberellin
In the accommodation reflex, when looking at a near object which structures loosen?	Suspensory Ligaments

Question	Answer
What is the name of the sight defect where light focuses in front of the retina?	Myopia
In animal and plant cells, where does aerobic respiration occur?	Mitochondria
In plant cells, there are two products of anaerobic respiration, carbon dioxide, and what else?	Ethanol
What is the name of the loops of DNA that float in the cytoplasm of prokaryotic cells?	Plasmids
What name is given to the process where unspecialised cells become specialised, meaning they have a specific function?	Differentiation
What is the term for the digestive fluid produced by the liver and stored in the gall bladder that emulsifies lipids?	Bile
Which process is defined as the loss of water vapour from the leaves of a plant via the stomata?	Transpiration
During the reabsorption stage of urine production, glucose is reabsorbed into the blood by what process?	Active Transport
If water content is too low in the body, does the pituitary gland release more or less ADH?	More
If somebody is suffering from kidney failure, their blood may be pumped into a dialysis machine from which blood vessel type?	Vein
The pituitary gland releases FSH and which other fertility hormone in biological females?	LH
Oestrogen is a contraceptive hormone produced by which gland?	Ovaries
Osmosis is defined as the movement of water from a dilute to concentrated solution through a what?	Partially Permeable Membrane
Amylase is a digestive enzyme that breaks starch down into sugars, and is produced in the pancreas, small intestine, and where else?	Salivary Glands
Magnification, calculated by dividing the image size by actual size of an object, is adjusted using what on a microscope?	Objective Lens