2 votes, 5 avg 0 AQA Biology (9201) Question Count : 30 Duration :45 minutes Hello . TIME UP!!! Try Again AQA Biology (9201) 30 Different Questions Every time 1 / 30 A B 2 / 30 The nucleus of the animal cell contains chromosomes. Name the molecule chromosomes are made from Check 3 / 30 Owls are large birds. Owls eat mice and small birds. Which food chain is the most efficient at transferring energy from plants to owls? plants → insects → spiders → small birds→ owl plants → caterpillars → small birds→ owl plants → caterpillars → mice→ owl plants → mice → owl 4 / 30 What does anaerobic mean? with oxygen without oxygen 5 / 30 Check 6 / 30 Between which two groups is there the largest increase in death rate? box Use Table 1. (9 – 10) to (11 – 12) (7 – 8) to (9 – 10) (11 – 12) to (13 – 14) (13 – 14) to (15 – 16) 7 / 30 Choose three ways white blood cells defend the body against pathogens. ingest pathogen or phagocytosis produce antitoxins none of the above produce antibodies 8 / 30 Describe two possible effects that a faulty valve can have on the functioning of the heart. full amount of blood does not leave the heart heart will not work harder blood flows forwards blood flows backwards 9 / 30 Which specimen in Table 1 would be visible without a microscope? Check 10 / 30 A leaf has many pores called stomata. Water vapour is lost from a plant by diffusion through the stomata. At what temperature would most water vapour be lost from a leaf? 20 degree celsius 35 degree celsius 25 degree celsius 30 degree celsius 11 / 30 Mendel published his results in 1866, but his ideas were ignored until the early 1900s. Suggest one reason why people did not accept Mendel’s ideas in 1866. Check 12 / 30 Metabolism is the name given to all chemical reactions in the body. Name the chemical reaction in the body that releases energy Check 13 / 30 Uncontrolled cell division causes tumours to form. A tumour can be malignant or benign. select two features of malignant tumours that make them different from benign tumours. (cells) can travel in the bloodstream they form secondary tumours (cells) can’t travel in the bloodstream (malignant) invade other tissues / parts of the body 14 / 30 Ebola viruses enter box the cells and reproduce rapidly. The cells then burst and release many copies of the viruses. When white blood cells burst they release proteins that block blood flow to the liver. The liver fails because there is a lack of blood flow. A failing liver cannot produce sufficient chemicals for blood clotting. Suggest one symptom a person might have if the blood does not clot. Check 15 / 30 What is the optimum pH for pectinase? 4.8 3.8 3 4 16 / 30 Research shows that tobacco smoke increases the risk of a tumour forming. Choose one other factor that increases the risk of a tumour forming asbestos inheriting mutations in genes linked to formation of a tumour non ionising forms ionising radiation 17 / 30 The size of the stomata can be controlled. What parts of the leaf control the size of the stomata? guard cells Palisade cells Xylem cells Phloem cells 18 / 30 Ebola is a disease caused by a viral pathogen. The Ebola virus attaches to the cell membranes of some body cells. The Ebola virus can spread very quickly by direct contact with infected patients or their body fluids Choose one other way to reduce the spread of the Ebola virus. use of antiviral drugs isolate infected people bury the dead as soon as possible wear protective clothing when dealing with the dead / patients None of the above 19 / 30 Yeast can also respire aerobically. Complete the sentence to give one way in which aerobic respiration is different from anaerobic respiration Choose the answer (carbon, energy, oxygen, glucose) Aerobic respiration releases more ………………………than anaerobic respiration. energy glucose carbon oxygen 20 / 30 Animal cells divide to produce new cells in damaged tissue. What is the name of this cell division? Fertilisation Differentiation Mitosis 21 / 30 Which parts of the cell release energy during respiration? Chloroplasts Mitochondria Ribosomes 22 / 30 A: combustion / burning B: respiration C: photosynthesis A: photosynthesis B: respiration C: combustion / burning A: respiration B: photosynthesis C: combustion / burning 23 / 30 B A 24 / 30 A B 25 / 30 Structures A, B, C and D are valves. Which valve opens when the blood pressure in the right ventricle is greater than the blood pressure in the pulmonary artery? Write the correct letter Check 26 / 30 A leaf is a plant organ. Name two other plant organs. Check 27 / 30 Vaccination of a large proportion of the population will help to protect those who are not vaccinated. Give a reason why Check 28 / 30 cow = 17 sectors, & sheep = 2 sectors cow = 9 sectors, & sheep = 9 sectors cow = 2 sectors, & sheep = 17 sectors 29 / 30 Brain cells can be damaged by toxins. Liver failure can cause brain damage. Explain how liver failure can cause brain damage. Check 30 / 30 Which specimen in Table 1 would only be visible with an electron microscope? Check NameEmailPhone NumberCountry Your score is LinkedIn Facebook Twitter 0% Restart quiz Send feedback
AQA Biology (9201) Question Count : 30
Duration :45 minutes
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AQA Biology (9201)
30 Different Questions Every time
1 / 30
2 / 30
The nucleus of the animal cell contains chromosomes. Name the molecule chromosomes are made from
3 / 30
Owls are large birds. Owls eat mice and small birds. Which food chain is the most efficient at transferring energy from plants to owls?
4 / 30
What does anaerobic mean?
5 / 30
6 / 30
Between which two groups is there the largest increase in death rate? box Use Table 1.
7 / 30
Choose three ways white blood cells defend the body against pathogens.
8 / 30
Describe two possible effects that a faulty valve can have on the functioning of the heart.
9 / 30
Which specimen in Table 1 would be visible without a microscope?
10 / 30
A leaf has many pores called stomata. Water vapour is lost from a plant by diffusion through the stomata. At what temperature would most water vapour be lost from a leaf?
11 / 30
Mendel published his results in 1866, but his ideas were ignored until the early 1900s. Suggest one reason why people did not accept Mendel’s ideas in 1866.
12 / 30
Metabolism is the name given to all chemical reactions in the body.
Name the chemical reaction in the body that releases energy
13 / 30
Uncontrolled cell division causes tumours to form. A tumour can be malignant or benign. select two features of malignant tumours that make them different from benign tumours.
14 / 30
Ebola viruses enter box the cells and reproduce rapidly. The cells then burst and release many copies of the viruses. When white blood cells burst they release proteins that block blood flow to the liver. The liver fails because there is a lack of blood flow. A failing liver cannot produce sufficient chemicals for blood clotting. Suggest one symptom a person might have if the blood does not clot.
15 / 30
What is the optimum pH for pectinase?
16 / 30
Research shows that tobacco smoke increases the risk of a tumour forming. Choose one other factor that increases the risk of a tumour forming
17 / 30
The size of the stomata can be controlled. What parts of the leaf control the size of the stomata?
18 / 30
Ebola is a disease caused by a viral pathogen. The Ebola virus attaches to the cell membranes of some body cells. The Ebola virus can spread very quickly by direct contact with infected patients or their body fluids
Choose one other way to reduce the spread of the Ebola virus.
19 / 30
Yeast can also respire aerobically. Complete the sentence to give one way in which aerobic respiration is different from anaerobic respiration
Choose the answer (carbon, energy, oxygen, glucose)
Aerobic respiration releases more ………………………than anaerobic respiration.
20 / 30
Animal cells divide to produce new cells in damaged tissue. What is the name of this cell division?
21 / 30
Which parts of the cell release energy during respiration?
22 / 30
23 / 30
24 / 30
25 / 30
Structures A, B, C and D are valves. Which valve opens when the blood pressure in the right ventricle is greater than the blood pressure in the pulmonary artery? Write the correct letter
26 / 30
A leaf is a plant organ. Name two other plant organs.
27 / 30
Vaccination of a large proportion of the population will help to protect those who are not vaccinated. Give a reason why
28 / 30
29 / 30
Brain cells can be damaged by toxins. Liver failure can cause brain damage. Explain how liver failure can cause brain damage.
30 / 30
Which specimen in Table 1 would only be visible with an electron microscope?
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1 votes, 5 avg 4 AQA Chemistry (9202) Question Count : 30 Duration :45 minutes Hello . TIME UP!!! Try Again AQA Chemistry (9202) 30 Different Questions Every time 1 / 30 Which element in Figure 1 forms ions with a 1– charge? B C D F E A 2 / 30 The nitrogen atom has 7 neutrons. Some atoms of the same element have different numbers of neutrons. Give the name of these atoms. Check 3 / 30 The relative atomic mass (Ar) of an element compares the mass of atoms of the element with a standard isotope. Which is the standard isotope? 12C 1 H 16O 4 He 4 / 30 Black particulates are released during the incomplete combustion of diesel. Suggest the name of the chemical found in black particulates Check 5 / 30 Hydrogen gas forms hydrogen ions at the negative electrode in a fuel cell. Complete the half equation for this reaction. H2 → ……… + …….. e– H2 → 3H+ + 2e– H2 → 2H+ + 3e– H2 → 2H+ + 2e– 6 / 30 Give a suitable temperature for the water bath …………ºC 60–75 (°C) 40–50 (°C) 10–15 (°C) 20–35 (°C) 7 / 30 The reaction of zinc carbonate is endothermic. Explain why, in terms of bond energies Check 8 / 30 (X) condensing & (Y) freezing (X) freezing & (Y) freezing (X) condensing & (Y) condensing (X) freezing & (Y) condensing 9 / 30 55 50 60 5.5 10 / 30 Calculate the value of X in Table 1. 40 (s) 43 (s) 30 (s) 34 (s) 11 / 30 Complete the equation for the reaction of zinc carbonate by adding: • state symbols for ZnCO3 and CO2 • the formula of the missing product. ZnCo3(….) → …….(s)+Co2(…) ZnCO3(s)⟶Zn(s)+CO2(g) ZnCO3(s)⟶ZnO(g)+CO2(s) ZnCO3(g)⟶ZnO(s)+CO2(s) ZnCO3(s)⟶ZnO(s)+CO2(g) 12 / 30 Check 13 / 30 B C E A D F 14 / 30 Explain the results for sodium carbonate. Use data from Table 1 in your answer Check 15 / 30 Beryllium is an element. What is meant by the term element? You should refer to atoms in your answer. Check 16 / 30 Choose a word equation for the reaction between chlorine and potassium bromide. chlorine + potassium bromide → potassium chloride + bromine chlorine + potassium → potassium chloride + bromine chlorine + potassium bromide → potassium + bromine 17 / 30 Which statement is correct for elements with the same number of outer shell electrons in their atoms? They have similar chemical properties. They have the same number of protons in their atoms. They burn with the same coloured flame. They have similar boiling points 18 / 30 Name the type of substance formed when two or more different elements are chemically combined Check 19 / 30 Carbon dioxide is tested by bubbling through limewater. What is the result of the test? Check 20 / 30 Give the reason why solid potassium chloride does not conduct electricity. Check 21 / 30 Give the name of the positively charged particles in atom Check 22 / 30 Crude oil contains alkanes. Alkanes are hydrocarbons. What is a hydrocarbon? contain only carbon atoms contain only hydrogen atoms contain only carbon and hydrogen atoms 23 / 30 Suggest why solid copper sulfate does not conduct electricity. Give your answer in terms of particles Check 24 / 30 Give the test for hydrogen gas Check 25 / 30 The two most common isotopes of copper are 63 29Cu and 65 29Cu How many neutrons are there in one atom of 65 29Cu? 30 46 50 36 26 / 30 The general formula of the alkanes is CnH2n+2 Calculate the formula of an alkane with four carbon atoms. Formula = ? C3H5 C4H10 C2H2 C5H8 27 / 30 The formula of ammonium nitrate is NH4NO3 How many atoms are in the formula NH4NO3? Number of atoms = ? 10 6 9 8 28 / 30 The equation for the reaction in the Haber process is: N2 (g) + 3 H2 (g) ⇌ 2 NH3 (g) What does the symbol ⇌ mean? Check 29 / 30 Bromine water is used to test for alkenes. Complete the sentence. Use words from the box. ( blue, colourless, green, orange, purple) Bromine water changes colour from………… to……………. when it reacts with an alkene from orange to colourless from blue to green from colourless to orange 30 / 30 7% 17% 10% 70% NameEmailPhone NumberCountry Your score is LinkedIn Facebook Twitter 0% Restart quiz Send feedback
AQA Chemistry (9202) Question Count : 30
AQA Chemistry (9202)
Which element in Figure 1 forms ions with a 1– charge?
The nitrogen atom has 7 neutrons. Some atoms of the same element have different numbers of neutrons. Give the name of these atoms.
The relative atomic mass (Ar) of an element compares the mass of atoms of the element with a standard isotope. Which is the standard isotope?
Black particulates are released during the incomplete combustion of diesel. Suggest the name of the chemical found in black particulates
Hydrogen gas forms hydrogen ions at the negative electrode in a fuel cell. Complete the half equation for this reaction. H2 → ……… + …….. e–
Give a suitable temperature for the water bath …………ºC
The reaction of zinc carbonate is endothermic. Explain why, in terms of bond energies
Calculate the value of X in Table 1.
Complete the equation for the reaction of zinc carbonate by adding: • state symbols for ZnCO3 and CO2 • the formula of the missing product.
ZnCo3(….) → …….(s)+Co2(…)
Explain the results for sodium carbonate. Use data from Table 1 in your answer
Beryllium is an element. What is meant by the term element? You should refer to atoms in your answer.
Choose a word equation for the reaction between chlorine and potassium bromide.
Which statement is correct for elements with the same number of outer shell electrons in their atoms?
Name the type of substance formed when two or more different elements are chemically combined
Carbon dioxide is tested by bubbling through limewater. What is the result of the test?
Give the reason why solid potassium chloride does not conduct electricity.
Give the name of the positively charged particles in atom
Crude oil contains alkanes. Alkanes are hydrocarbons. What is a hydrocarbon?
Suggest why solid copper sulfate does not conduct electricity. Give your answer in terms of particles
Give the test for hydrogen gas
The two most common isotopes of copper are 63 29Cu and 65 29Cu
How many neutrons are there in one atom of 65 29Cu?
The general formula of the alkanes is CnH2n+2 Calculate the formula of an alkane with four carbon atoms. Formula = ?
The formula of ammonium nitrate is NH4NO3 How many atoms are in the formula NH4NO3?
Number of atoms = ?
The equation for the reaction in the Haber process is: N2 (g) + 3 H2 (g) ⇌ 2 NH3 (g) What does the symbol ⇌ mean?
Bromine water is used to test for alkenes. Complete the sentence. Use words from the box. ( blue, colourless, green, orange, purple) Bromine water changes colour from………… to……………. when it reacts with an alkene
1 votes, 5 avg 1 AQA Physics (9203) Question Count : 30 Duration :45 minutes Hello . TIME UP!!! Try Again AQA Physics (9203) 30 Different Questions Every time 1 / 30 A C B 2 / 30 Calculate the acceleration between points C and D. Acceleration = ………….m/s2 0.31 m/s<sup>2</sup> 3 m/s<sup>2</sup> 5 m/s<sup>2</sup> 6 m/s<sup>2</sup> 3 / 30 increase current & greater number of turns decrease current & lesser number of turns decrease current 4 / 30 Waves can be transverse or longitudinal What name is given to the distance from one peak on a transverse wave to the next peak? Wavelength Amplitude Frequency Period 5 / 30 What distance above the Earth’s surface is used for a satellite in a geostationary orbit? Give a reason for your answer. Distance = ……… metres × 106 40 45.5 35.5 30 6 / 30 The water-balloon weighs 4.9 N. gravitational field strength = 9.8 N/kg Calculate the mass of the water-balloon. Use the Physics Equations Sheet. Give the unit. Mass = …..Unit mass = 5 kg / kilograms mass = 50 kg / kilograms mass = 0.50 kg / kilograms mass = 500 kg / kilograms 7 / 30 Complete the sentences to explain the method of energy transfer shown in Figure 5 The average distance between the particles……………………. increases decreases stays the same 8 / 30 Identify two control variables in this investigation. The mass of the package The initial charge stored in the battery The brightness of the “battery low” light Hover time The mass of the dron 9 / 30 What is the name of the force that causes the string to hang vertically? Check 10 / 30 Which angle shown on Figure 2 is the angle of incidence? B A C D 11 / 30 When the water-balloon is dropped it accelerates. What happens to the air resistance acting on the water-balloon as the water-balloon accelerates? Check 12 / 30 Wind turbines have no impact on the environment. Wind turbines are a reliable source of energy Wind turbines have no fuel costs when working. Wind turbines are silent when working Wind turbines do not emit greenhouse gases. 13 / 30 The mass of the ball is 450 g. Calculate the kinetic energy of the ball. Use the Physics Equations Sheet. Kinetic energy =…………….J Ek = 90 J Ek = 9 J Ek = 900 J Ek = 10 J 14 / 30 Most of the radiation emitted by the component is infrared radiation. Choose two changes to the infrared radiation emitted by the computer component as the temperature of the component increases wavelength increases frequency decreases frequency increases intensity increases 15 / 30 The current in the sensor causes a force to be exerted on the magnet. In which direction is the force on the magnet? Opposite to the direction the magnet is moving in. Perpendicular to the direction the magnet is moving in. In the same direction the magnet is moving in. 16 / 30 The Earth orbits a star called the Sun Why is a main sequence star stable? the forces in the star are not balanced the forces in the star are balanced no forces in the star 17 / 30 B A 18 / 30 The refractive index of Perspex is 1.49 Calculate the critical angle of Perspex. 52ᵒ 42ᵒ 22ᵒ 62ᵒ 19 / 30 The Earth orbits a star called the Sun. In another part of their life cycle, stars form elements such as carbon, nitrogen and oxygen. Which type of star forms these elements? Check 20 / 30 Name the process that releases energy in a main sequence star. Check 21 / 30 What is an alpha particle? A proton A neutron Two neutrons and two protons An electron 22 / 30 During 1 week the computer transfers 12 kWh of energy. cost per kWh = $0.15 Calculate the cost of using the computer for 1 week. $4.80 $2.80 $3.80 $1.80 23 / 30 A teacher carried out a demonstration using a radiation detector and count rate meter. The teacher first measured the count rate from background radiation several times. Which of the following is a man-made source of background radiation? Cosmic rays Uranium from rocks Radon gas Nuclear weapons tests 24 / 30 The car is moving at 80 m/s. The mass of the car is 750 kg. Calculate the kinetic energy of the car. Use the Physics Equations Sheet. Kinetic energy = ……………..J Ek = 2 40 J Ek = 24 J Ek = 2 400 000 J Ek = 2 400 J 25 / 30 Complete the sentence. Choose answers from below. The image in a plane mirror is……………….. and……………….. . upright & virtual real 7 virtual magnified & upright inverted & magnified 26 / 30 A student is investigating magnetism. Name one magnetic material. Check 27 / 30 Determine the frequency of the mains supply. Show your working. Frequency = …………Hz f = 500 Hz f = 50 Hz f = 5 Hz f = 100 Hz 28 / 30 Determine the peak potential difference of the mains supply. Peak potential difference =………..V 500 300 400 330 29 / 30 A: secondary coil, B: primary coil, C: soft iron core A: soft iron core, B: primary coil, C: secondary coil A: primary coil, B: soft iron core, C: secondary coil 30 / 30 4.5 kWh 1.5 kWh 3.5 kWh 2.5 kWh NameEmailPhone NumberCountry Your score is LinkedIn Facebook Twitter 0% Restart quiz Send feedback
AQA Physics (9203) Question Count : 30
AQA Physics (9203)
Calculate the acceleration between points C and D.
Acceleration = ………….m/s2
Waves can be transverse or longitudinal
What name is given to the distance from one peak on a transverse wave to the next peak?
What distance above the Earth’s surface is used for a satellite in a geostationary orbit? Give a reason for your answer.
Distance = ……… metres × 106
The water-balloon weighs 4.9 N. gravitational field strength = 9.8 N/kg Calculate the mass of the water-balloon. Use the Physics Equations Sheet. Give the unit.
Mass = …..Unit
Complete the sentences to explain the method of energy transfer shown in Figure 5
The average distance between the particles…………………….
Identify two control variables in this investigation.
What is the name of the force that causes the string to hang vertically?
Which angle shown on Figure 2 is the angle of incidence?
When the water-balloon is dropped it accelerates. What happens to the air resistance acting on the water-balloon as the water-balloon accelerates?
The mass of the ball is 450 g. Calculate the kinetic energy of the ball. Use the Physics Equations Sheet.
Kinetic energy =…………….J
Most of the radiation emitted by the component is infrared radiation. Choose two changes to the infrared radiation emitted by the computer component as the temperature of the component increases
The current in the sensor causes a force to be exerted on the magnet. In which direction is the force on the magnet?
The Earth orbits a star called the Sun
Why is a main sequence star stable?
The refractive index of Perspex is 1.49 Calculate the critical angle of Perspex.
The Earth orbits a star called the Sun.
In another part of their life cycle, stars form elements such as carbon, nitrogen and oxygen. Which type of star forms these elements?
Name the process that releases energy in a main sequence star.
What is an alpha particle?
During 1 week the computer transfers 12 kWh of energy. cost per kWh = $0.15 Calculate the cost of using the computer for 1 week.
A teacher carried out a demonstration using a radiation detector and count rate meter. The teacher first measured the count rate from background radiation several times. Which of the following is a man-made source of background radiation?
The car is moving at 80 m/s. The mass of the car is 750 kg. Calculate the kinetic energy of the car. Use the Physics Equations Sheet.
Kinetic energy = ……………..J
Complete the sentence. Choose answers from below.
The image in a plane mirror is……………….. and……………….. .
A student is investigating magnetism.
Name one magnetic material.
Determine the frequency of the mains supply. Show your working.
Frequency = …………Hz
Determine the peak potential difference of the mains supply.
Peak potential difference =………..V
