117 questions at Form 3 · JCE
Most triedMost missedNewest- Some students wanted to keep fish in a tank. They found that fish need water at pH between 7 and 8. The water in the tank was found to be slightly ac…
- The diagram below shows the life cycle of a mosquito (X, larva, pupa, adult mosquito).
- The diagram below shows a cell of an onion observed under a microscope with one of the parts labelled T.
- Answer the following about flowers.
- Students carried out food tests on three food substances W, X and Y. The results are given in the table below.
- The diagram below shows a section of a blood vessel with some contents labelled (bacteria, red blood cell, N).
- The diagram below shows a solar cooker being used to warm water.
- The diagram below shows two light rays from a bulb at point O, at the base of a pool, entering an observer's eye above the water.
- The diagram below shows a parallel beam of light incident on a lens.
- Student R and Student S sit on a uniform beam pivoted at the centre. Student R weighs 300 N and sits 8 m from the pivot; student S has a weight F and…
- The diagram below shows a cross-section of the earth with some layers labelled X and Y.
- Answer the following about radioactivity.
- The diagram below shows a 3-pin plug used for connecting appliances to the mains electricity socket. Pin Z is the live pin.
- The diagram below shows a set-up used to investigate some properties of a gas produced when lithium metal reacts with water. The gas is collected in …
- The diagram below shows an electric circuit with components labelled P, Q, R and S (P a resistor, Q a switch, R a battery, S a bulb).
- The diagram shows a set-up used to investigate the effect of light intensity on the rate of photosynthesis. A pond weed was placed inside a beaker an…
- The diagram below shows a set-up used by a student to separate a mixture of water and ethanol. One of the apparatus used is labelled P.
- The diagram below shows some parts of the human digestive system.
- The diagrams below show cells W, X, Y and Z.
- Carbon dioxide gas freezes at –78°C and sublimes when it is cooled. A sample of carbon dioxide gas is cooled from room temperature to a temperature o…
- The set-up below was used to illustrate how salty water can be desalinated.
- A spanner is used to loosen a nut by applying a force of 25 N at a distance of 0.2 m from the pivot as shown in the diagram.
- The diagram below shows two steel pins and two iron pins attracted by a permanent magnet. One end of the steel pin is labelled Q.
- Answer the following about radioactivity.
- State any two direct benefits of space exploration.
- The diagram below shows a foetus attached to the placenta.
- The first diagram shows a simple electrical circuit: two cells, a switch, a bulb, and two meters. The scale diagram shows the reading on the ammeter …
- The chart illustrates the nitrogen cycle. Use the words: nitrification, feeding, lightning, carbohydrates, nitrogen fixation, denitrification to iden…
- Thabo performed an experiment to determine the density of a rock. He crushed the rock and obtained six stones of different sizes, and measured the ma…
- The diagram below shows a set-up used to produce carbon dioxide gas. Dilute hydrochloric acid was reacted with calcium carbonate.