117 questions at Form 3 · JCE
Most triedMost missedNewest- A ray of light hits a plane mirror at an angle of incidence of 30°. What is the angle of reflection?
- Which of these is a chemical change?
- What is the chemical symbol for sodium?
- Water is made of…
- Heat travels through a vacuum by…
- Three 2 Ω resistors are connected in series. What is the total resistance?
- A current of 2 A flows through a 6 Ω resistor. What is the voltage across it?
- Which disease is caused by a bacterium?
- Which gas is mainly responsible for the greenhouse effect caused by burning fuels?
- Water loss from the leaves of a plant is called…
- Which planet is closest to the Sun?
- A box of mass 10 kg is on Earth (g = 10 N/kg). What is its weight?
- Dilute hydrochloric acid is added slowly to sodium hydroxide solution containing universal indicator.
- A torch has two 1.5 V cells in series and a bulb with a resistance of 6 Ω.
- Many people in Botswana are affected by diabetes and high blood pressure.
- A learner has a mixture of salt, sand and water.
- Below is a list of terms and definitions. Match each term with its definition. Terms: transverse wave, scalar, displacement, frequency, longitudinal …
- State two effects of volcanic eruptions on people.
- The diagram below shows a maize plant with flowers labelled P and R.
- Answer the following about drugs. The graph below shows the effect of drugs E, F and G on the level of infection in a human body over a period of tim…
- The diagram below shows different components of blood labelled X, Y and Z, in a blood vessel of a healthy person.
- Copper sulphide is one of the ores of copper. When copper sulphide is heated in air, copper oxide and sulphur dioxide gas are produced.
- The diagram below shows how a certain optical instrument works.
- The diagram below shows a circuit used to investigate one of the factors affecting resistance of a wire. Three wires S, T and U of the same material,…
- A list of materials is given below: water, copper wire, oxygen gas.
- A metal vessel, filled with hot water at 90°C, is placed on top of a wooden block at the centre of a large metal container. The metal container is fi…
- An inflated balloon is tied to a test-tube containing cold water. The test-tube is then placed in a beaker containing hot water.
- The intake of oxygen by an athlete was measured at the start, during and after a 5000 m race at time intervals of 3 minutes. The results are shown in…
- The diagram below shows a set-up used to prepare oxygen.
- The diagram below shows two different thermometers, W and X.
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