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 Digestive enzymes break down insoluble molecules into smaller, soluble molecules. Name two insoluble molecules digested by enzymes. Choose the answers (amino acid, fat, fatty acid, glucose, protein) fat and fatty acid fat and protein protein and fat protein and amino acid 2 / 30 People must be vaccinated with a new vaccine each year to prevent infection from influenza. Explain why a new vaccine is used each year. Check 3 / 30 Cell wall Cytoplasm Nucleus Vacuole 4 / 30 This question is about white blood cells and pathogens. White blood cells have cell membranes. Describe the function of the cell membrane. Check 5 / 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 → mice → owl plants → insects → spiders → small birds→ owl plants → caterpillars → mice→ owl plants → caterpillars → small birds→ owl 6 / 30 Explain why a person with a faulty heart valve can feel very tired. Check 7 / 30 A leaf is a plant organ. Name two other plant organs. Check 8 / 30 Body temperature is one condition that is controlled by homeostasis in humans. box Choose two other internal conditions that are controlled in the body water content none of the above blood glucose / sugar ion content 9 / 30 Name a technique which could be used to quickly produce large numbers of the genetically engineered plants Check 10 / 30 Between which two groups is there the largest increase in death rate? box Use Table 1. (7 – 8) to (9 – 10) (11 – 12) to (13 – 14) (9 – 10) to (11 – 12) (13 – 14) to (15 – 16) 11 / 30 cow = 2 sectors, & sheep = 17 sectors cow = 17 sectors, & sheep = 2 sectors cow = 9 sectors, & sheep = 9 sectors 12 / 30 Which specimen in Table 1 would only be visible with an electron microscope? Check 13 / 30 Animal cells divide to produce new cells in damaged tissue. What is the name of this cell division? Mitosis Differentiation Fertilisation 14 / 30 Give the reason why the volume of the mixture did not increase at 80 °C. Check 15 / 30 Check 16 / 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? 30 degree celsius 20 degree celsius 35 degree celsius 25 degree celsius 17 / 30 Tardigrades can reproduce both sexually and asexually. During asexual reproduction, the female produces offspring from eggs which have not been fertilised. Give one advantage to the female if she does not need to find a mate. Check 18 / 30 Check 19 / 30 The brain monitors core body temperature. Name the centre in the brain that monitors core body temperature. Check 20 / 30 Increased levels of carbon dioxide in the atmosphere contribute to global warming. Choose two possible effects of global warming. ice caps melting none of the above rise in sea level changes in the Earth’s climate 21 / 30 Describe two possible effects that a faulty valve can have on the functioning of the heart. blood flows forwards heart will not work harder blood flows backwards full amount of blood does not leave the heart 22 / 30 Bacteria can enter the body during breathing. Antibiotics are used to kill bacteria without affecting our body cells. Many antibiotics work by destroying the outer layer of the bacterial cell. Suggest why these antibiotics do not kill body cells. Check 23 / 30 Yeast cells can respire anaerobically. 0 1 . 3 Complete the word equation for anaerobic respiration in yeast. Choose the answer (ethanol, glycerol, starch, urea.) glucose → ………….. + carbon dioxide glycerol urea ethanol starch 24 / 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 25 / 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 26 / 30 In 2007 project ‘Clean Cow’ was set up to reduce the methane emissions from cows. why cows have been chosen in a project to benefit the environment Check 27 / 30 A B 28 / 30 The allele for white flower colour is recessive. Describe how Figure 10 shows that a recessive allele causes white flower colour Check 29 / 30 The nucleus of the animal cell contains chromosomes. Name the molecule chromosomes are made from Check 30 / 30 Label parts B on Figure 1. Nucleolus Nucleus Cell membrane cytoplasm 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
Digestive enzymes break down insoluble molecules into smaller, soluble molecules. Name two insoluble molecules digested by enzymes. Choose the answers (amino acid, fat, fatty acid, glucose, protein)
2 / 30
People must be vaccinated with a new vaccine each year to prevent infection from influenza. Explain why a new vaccine is used each year.
3 / 30
4 / 30
This question is about white blood cells and pathogens. White blood cells have cell membranes. Describe the function of the cell membrane.
5 / 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?
6 / 30
Explain why a person with a faulty heart valve can feel very tired.
7 / 30
A leaf is a plant organ. Name two other plant organs.
8 / 30
Body temperature is one condition that is controlled by homeostasis in humans. box Choose two other internal conditions that are controlled in the body
9 / 30
Name a technique which could be used to quickly produce large numbers of the genetically engineered plants
10 / 30
Between which two groups is there the largest increase in death rate? box Use Table 1.
11 / 30
12 / 30
Which specimen in Table 1 would only be visible with an electron microscope?
13 / 30
Animal cells divide to produce new cells in damaged tissue. What is the name of this cell division?
14 / 30
Give the reason why the volume of the mixture did not increase at 80 °C.
15 / 30
16 / 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?
17 / 30
Tardigrades can reproduce both sexually and asexually. During asexual reproduction, the female produces offspring from eggs which have not been fertilised. Give one advantage to the female if she does not need to find a mate.
18 / 30
19 / 30
The brain monitors core body temperature. Name the centre in the brain that monitors core body temperature.
20 / 30
Increased levels of carbon dioxide in the atmosphere contribute to global warming.
Choose two possible effects of global warming.
21 / 30
Describe two possible effects that a faulty valve can have on the functioning of the heart.
22 / 30
Bacteria can enter the body during breathing. Antibiotics are used to kill bacteria without affecting our body cells. Many antibiotics work by destroying the outer layer of the bacterial cell. Suggest why these antibiotics do not kill body cells.
23 / 30
Yeast cells can respire anaerobically. 0 1 . 3 Complete the word equation for anaerobic respiration in yeast. Choose the answer (ethanol, glycerol, starch, urea.)
glucose → ………….. + carbon dioxide
24 / 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.
25 / 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.
26 / 30
In 2007 project ‘Clean Cow’ was set up to reduce the methane emissions from cows. why cows have been chosen in a project to benefit the environment
27 / 30
28 / 30
The allele for white flower colour is recessive. Describe how Figure 10 shows that a recessive allele causes white flower colour
29 / 30
The nucleus of the animal cell contains chromosomes. Name the molecule chromosomes are made from
30 / 30
Label parts B on Figure 1.
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1 votes, 5 avg 5 AQA Chemistry (9202) Question Count : 30 Duration :45 minutes Hello . TIME UP!!! Try Again AQA Chemistry (9202) 30 Different Questions Every time 1 / 30 Give the numbers of neutrons in this beryllium atom 2 5 4 1 2 / 30 Potassium chloride (KCl) is an ionic compound. Potassium reacts with chlorine (Cl2) to produce potassium chloride. Complete the equation for the reaction. Balance the equation. ………. +…………..→ ………. KCl 3K + Cl2 → 2KCl 2K + Cl2 → 2KCl 3K + Cl → 2KCl 4K + Cl2 → 2KCl 3 / 30 Give the reason why the mass changes in the zinc carbonate experiment. Check 4 / 30 A solution of ethanol was left open to the air. The ethanol was oxidised. Suggest one substance that could oxidise ethano Check 5 / 30 What is the maximum size of a nanoparticle? 100 nm 1000 nm 10 nm 1 nm 6 / 30 What is the trend in melting point as you go down Group 7? no change increases decrease 7 / 30 Dodecane (C12H26) can be cracked into heptane (C7H16) and two different alkenes. Complete the equation for this reaction. C12H26 → C7H16 + ……..+ ……… C12H26 → C7H16 +C2H4 + C3H6 C12H26 → C7H16 +C2H8 + C3H8 C12H26 → C7H16 +C2H8 + C9H8 8 / 30 Give the numbers of protons in this beryllium atom 1 4 5 3 9 / 30 Iron is found in the ground as a compound with the formula Fe2O3 Name the compound with the formula Fe2O3 Check 10 / 30 Which statement is correct for elements with the same number of outer shell electrons in their atoms? They have similar boiling points They burn with the same coloured flame. They have the same number of protons in their atoms. They have similar chemical properties. 11 / 30 The formula of ammonium nitrate is NH4NO3 How many atoms are in the formula NH4NO3? Number of atoms = ? 6 8 10 9 12 / 30 Which element in Figure 1 forms ions with a 1– charge? F B C E A D 13 / 30 An atom of fluorine has 9 electrons. Choose the electronic structure of fluorine. 1 electrons in inner shell and 7electrons in outer shell 1 electrons in inner shell and 8 electrons in outer shell 2 electrons in inner shell and 7electrons in outer shell 3 electrons in inner shell and 5 electrons in outer shell 14 / 30 Which substance is produced when ethanol is oxidised? Poly(ethene) Ethane Ethanoic acid Ethene 15 / 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? 50 46 30 36 16 / 30 Which two elements in Figure 1 have the same number of outer shell electrons in box their atoms? E B C A F D 17 / 30 The elements in the periodic table are arranged in the order of increasing ……..? neutron number Atomic number mass number 18 / 30 What is the general formula for alkanes? CnHn+1 CnH2n CnH2n+2 CnHn 19 / 30 The reaction of zinc carbonate with dilute nitric acid produces carbon dioxide gas. Name the salt produced when zinc carbonate reacts with nitric acid. Check 20 / 30 When carbon dioxide reacts with limewater it produces calcium carbonate and one other product. choose the formula of the missing product. Ca(OH)2 + CO2 → CaCO3 +……. H2O HO O2 21 / 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 22 / 30 Sodium is a metal in Group 1 of the periodic table. An atom of sodium has the symbol 11Na 23 Give the number of protons and neutrons in an atom of sodium. Number of protons = ? Number of neutrons = ? protons 11 & neutrons 11 protons 12 & neutrons 12 protons 12 & neutrons 11 protons 11 & neutrons 12 23 / 30 Compound X has the following properties: • melting point = –97 °C • boiling point = 57 °C • no electrical conductivity. Give the type of bonding and the type of structure of compound X. Type of bonding: ? Check 24 / 30 Give the symbols of the ions in potassium chloride. K– and Cl– K+ and Cl+ K and Cl K+ and Cl– 25 / 30 Give one use of alkenes. Check 26 / 30 Give the reason why solid potassium chloride does not conduct electricity. Check 27 / 30 Electrolysis can be used to electroplate objects made from iron. Choose two reasons why objects are electroplated None of the above improve durability improve appearance Poor appearance 28 / 30 The reaction of zinc carbonate is endothermic. Explain why, in terms of bond energies Check 29 / 30 Give the reason why hydrogen is formed at the negative electrode instead of sodium Check 30 / 30 Name one metal that is found in the ground as the metal itself. Check NameEmailPhone NumberCountry Your score is LinkedIn Facebook Twitter 0% Restart quiz Send feedback
AQA Chemistry (9202) Question Count : 30
AQA Chemistry (9202)
Give the numbers of neutrons in this beryllium atom
Potassium chloride (KCl) is an ionic compound. Potassium reacts with chlorine (Cl2) to produce potassium chloride. Complete the equation for the reaction. Balance the equation.
………. +…………..→ ………. KCl
Give the reason why the mass changes in the zinc carbonate experiment.
A solution of ethanol was left open to the air. The ethanol was oxidised. Suggest one substance that could oxidise ethano
What is the maximum size of a nanoparticle?
What is the trend in melting point as you go down Group 7?
Dodecane (C12H26) can be cracked into heptane (C7H16) and two different alkenes. Complete the equation for this reaction. C12H26 → C7H16 + ……..+ ………
Give the numbers of protons in this beryllium atom
Iron is found in the ground as a compound with the formula Fe2O3 Name the compound with the formula Fe2O3
Which statement is correct for elements with the same number of outer shell electrons in their atoms?
The formula of ammonium nitrate is NH4NO3 How many atoms are in the formula NH4NO3?
Number of atoms = ?
Which element in Figure 1 forms ions with a 1– charge?
An atom of fluorine has 9 electrons. Choose the electronic structure of fluorine.
Which substance is produced when ethanol is oxidised?
The two most common isotopes of copper are 63 29Cu and 65 29Cu
How many neutrons are there in one atom of 65 29Cu?
Which two elements in Figure 1 have the same number of outer shell electrons in box their atoms?
The elements in the periodic table are arranged in the order of increasing ……..?
What is the general formula for alkanes?
The reaction of zinc carbonate with dilute nitric acid produces carbon dioxide gas. Name the salt produced when zinc carbonate reacts with nitric acid.
When carbon dioxide reacts with limewater it produces calcium carbonate and one other product. choose the formula of the missing product.
Ca(OH)2 + CO2 → CaCO3 +…….
The nitrogen atom has 7 neutrons. Some atoms of the same element have different numbers of neutrons. Give the name of these atoms.
Sodium is a metal in Group 1 of the periodic table. An atom of sodium has the symbol 11Na 23 Give the number of protons and neutrons in an atom of sodium. Number of protons = ? Number of neutrons = ?
Compound X has the following properties: • melting point = –97 °C • boiling point = 57 °C • no electrical conductivity. Give the type of bonding and the type of structure of compound X. Type of bonding: ?
Give the symbols of the ions in potassium chloride.
Give one use of alkenes.
Give the reason why solid potassium chloride does not conduct electricity.
Electrolysis can be used to electroplate objects made from iron. Choose two reasons why objects are electroplated
The reaction of zinc carbonate is endothermic. Explain why, in terms of bond energies
Give the reason why hydrogen is formed at the negative electrode instead of sodium
Name one metal that is found in the ground as the metal itself.
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 Refraction can occur when light passes from one material to another. Complete the sentence. Choose the answer from below Light refracts when it passes from one material into another. This is because the ……………………of the light changes. colour brightness speed frequency 2 / 30 Where is the centre of mass of the piece of card located? To the left of the pin Directly below the pin At the position of the pin Above the pin 3 / 30 What equipment should the student have used to measure the angle of incidence? Ruler Protractor Compass Set-square 4 / 30 1.5 kWh 3.5 kWh 2.5 kWh 4.5 kWh 5 / 30 Pencils contain graphite. box When a length of graphite is used in an electric circuit, it behaves like a resistor and conducts electricity. Complete the following sentence Graphite conducts electricity because it contains free ……………. proton electrons Neutron 6 / 30 The space probe is currently at the edge of our solar system. Scientists use a unit called the astronomical unit (AU) to measure the large distances in the solar system. 1 AU = 1.5 × 1011 m The signals that the space probe sends back to Earth travel at a speed of 3.0 × 108 m/s. The space probe is currently 120 AU from Earth. Calculate the time it takes for a signal from the space probe to reach Earth. Give your answer in hours. 17 hours 20 hours 10 hours 1 hours 7 / 30 Determine the difference in speed between Titan and Rhea. Difference in speed = ………….km/s 35 km/s 300 km/s 3.0 km/s 30 km/s 8 / 30 What is ultrasound? sound waves with a frequency below 20 000 Hz sound waves with a frequency above 20 000 Hz 9 / 30 Another water-balloon weighs 6.8 N. Both water-balloons are the same size and shape. The child drops both water-balloons from the same height at the same time. Which statement is correct? The 6.8 N water-balloon will reach the ground first Both water-balloons will reach the ground at the same time. The 4.9 N water-balloon will reach the ground first 10 / 30 The component emits a range of electromagnetic radiation. What name is given to the electromagnetic radiation emitted at a particular temperature by the component? Black-body radiation Ionising radiation Nuclear radiation Cosmic radiation 11 / 30 Check 12 / 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? Period Wavelength Amplitude Frequency 13 / 30 What is the total distance travelled by the student? Total distance = ………m 6000 m 6 m 60 m 600 m 14 / 30 Determine the total distance travelled while the horse was accelerating Total distance = …………m 356 m 351.2 m 35.2 m 359.2 m 15 / 30 Complete the sentence. Hydrogen atoms that lose an electron become………………….. neutral ions radioactive isotopes 16 / 30 Determine the frequency of the mains supply. Show your working. Frequency = …………Hz f = 5 Hz f = 500 Hz f = 50 Hz f = 100 Hz 17 / 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 18 / 30 A weather satellite is placed in a low polar orbit. Explain why this orbit is used for a weather satellite. Check 19 / 30 The Sun is a………… galaxy moon star planet 20 / 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 21 / 30 less than greater than equal to 22 / 30 Determine the time for which the horse was travelling at a constant velocity. Time = …….seconds 5 seconds 25 seconds 55 seconds 35 seconds 23 / 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 24 / 30 Determine the speed of the student during the first 100 seconds. Speed = …………….m/s 5 m/s 15 m/s 1.5 m/s 51 m/s 25 / 30 Complete the following sentences about waves. Longitudinal waves have oscillations that are……………… to the direction of energy transfer parallel rectangular perpendicular 26 / 30 Calculate the acceleration between points C and D. Acceleration = ………….m/s2 6 m/s<sup>2</sup> 5 m/s<sup>2</sup> 3 m/s<sup>2</sup> 0.31 m/s<sup>2</sup> 27 / 30 The distance from where the ball was kicked to the goal line is 11.4 m. It takes the goalkeeper 0.65 seconds to react and move his hand to the point where the ball will cross the line. Determine if the goalkeeper can stop the ball with his hand before the ball crosses the line. the goalkeeper cannot save the ball the goalkeeper can save the ball 28 / 30 What is an alpha particle? An electron A neutron A proton Two neutrons and two protons 29 / 30 Complete the sentence. Choose an answer from the box The distance from the centre of the lens to the principal focus is called the …………………… object distance focal length lens power focal point 30 / 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 frequency increases frequency decreases intensity increases wavelength increases NameEmailPhone NumberCountry Your score is LinkedIn Facebook Twitter 0% Restart quiz Send feedback
AQA Physics (9203) Question Count : 30
AQA Physics (9203)
Refraction can occur when light passes from one material to another.
Complete the sentence.
Choose the answer from below
Light refracts when it passes from one material into another. This is because the ……………………of the light changes.
Where is the centre of mass of the piece of card located?
What equipment should the student have used to measure the angle of incidence?
Pencils contain graphite. box When a length of graphite is used in an electric circuit, it behaves like a resistor and conducts electricity.
Complete the following sentence
Graphite conducts electricity because it contains free …………….
The space probe is currently at the edge of our solar system. Scientists use a unit called the astronomical unit (AU) to measure the large distances in the solar system. 1 AU = 1.5 × 1011 m The signals that the space probe sends back to Earth travel at a speed of 3.0 × 108 m/s. The space probe is currently 120 AU from Earth. Calculate the time it takes for a signal from the space probe to reach Earth. Give your answer in hours.
Determine the difference in speed between Titan and Rhea.
Difference in speed = ………….km/s
What is ultrasound?
Another water-balloon weighs 6.8 N. Both water-balloons are the same size and shape. The child drops both water-balloons from the same height at the same time. Which statement is correct?
The component emits a range of electromagnetic radiation. What name is given to the electromagnetic radiation emitted at a particular temperature by the component?
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 is the total distance travelled by the student?
Total distance = ………m
Determine the total distance travelled while the horse was accelerating
Total distance = …………m
Hydrogen atoms that lose an electron become…………………..
Determine the frequency of the mains supply. Show your working.
Frequency = …………Hz
When the water-balloon is dropped it accelerates. What happens to the air resistance acting on the water-balloon as the water-balloon accelerates?
A weather satellite is placed in a low polar orbit. Explain why this orbit is used for a weather satellite.
The Sun is a…………
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?
Determine the time for which the horse was travelling at a constant velocity.
Time = …….seconds
Determine the speed of the student during the first 100 seconds.
Speed = …………….m/s
Complete the following sentences about waves.
Longitudinal waves have oscillations that are……………… to the direction of energy transfer
Calculate the acceleration between points C and D.
Acceleration = ………….m/s2
The distance from where the ball was kicked to the goal line is 11.4 m. It takes the goalkeeper 0.65 seconds to react and move his hand to the point where the ball will cross the line. Determine if the goalkeeper can stop the ball with his hand before the ball crosses the line.
What is an alpha particle?
Complete the sentence. Choose an answer from the box
The distance from the centre of the lens to the principal focus is called the ……………………
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
