Statistics for GCSE Bio, Chem, Phys 1

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This quiz has been taken 71 times
The average score is 12 of 28

Answer Stats

Question	Answer	% Correct
What is the green pigment found in chloroplasts called?	Chlorophyll	97%
What is the net movement of particles from a high concentration to a region of low concentration due to kinetic energy called?	Diffusion	78%
What is the negatively charged particle found in energy levels surrounding the nucleus inside atoms called?	Electron	78%
Hydroelectric power stations generate about 2% of Britain's electricity but they generate roughly how much of the world's electricity? (%)	10	75%
What is the specific name of a substance that speeds up a chemical reaction but is not used up?	Catalyst	68%
How many joules (J) in 1 megajoule (MJ)?	1000000	67%
What is the correct unit for measuring power?	Watts	60%
Which two products are made during anaerobic respiration in yeast?	Ethanol and Carbon Dioxide	59%
What is the specific name of atoms with the same number of protons but a different number of neutrons called?	Isotopes	59%
What is the name of the energy resource that will never run out? They are replenished as they are used.	Renewable	52%
What is the specific name of a substance that dissolves in a solvent?	Solute	52%
Which of seven main systems in the human body has glands that secretes hormones (chemical messengers)?	Endocrine	48%
What is the name of the cell that has the ability to divide many times by mitosis while remaining undifferentiated?	Stem cell	48%
How are alkali metals stored to stop them reacting with water and oxygen? (because they are very reactive)	In oil	44%
What colour does the hydrogen carbonate indicator turn when there is a lack of carbon dioxide present?	Purple	43%
What is the specific term of the amount of energy required to raise the temperature of one kilogram of a substance by one degree Celsius? (3 words)	Specific heat capacity	43%
Find the relative atomic mass of chlorine which is found to contain 75% of atoms with a mass number of 32 and 25% of atoms with a mass number of 36	33	35%
What is the specific term that is defined as the rate at which energy is transferred or the rate at which work is done?	Power	32%
Which product of burning coal contributes to acid rain formation?	Sulfur dioxide	32%
What is the specific name of a molecule that contains 2 atoms?	Diatomic molecule	29%
What is the name of the cell packed full of chloroplasts for photosynthesis?	Palisade cell	16%
What is the specific name of the rapid increase in numbers of algal cells in an aquatic habitat, often caused by eutrophication?	Algal bloom	14%
What is the specific name of the solid left on the filter paper during filtration?	Residue	14%
A car has a kinetic energy store of 50000 J. It is travelling at a speed of 10m/s. Calculate the mass of the car	1000 kg	13%
What is the appearance of iodine at room temperature? (two words)	Grey solid	10%
What enzyme protects cells by breaking down hydrogen peroxide into water and oxygen?	Catalase	5%
What method of separation is used for soluble solids dissolved in a solvent?	Chromatography	3%
Modern house are built with two layers of brick. In between the brick layers is cavity wall insulation. What is the type of foam that insulates the wall here?	Polystyrene	3%