WASSCE Integrated Science Mock Paper 2 Theory 001 Download
WASSCE Integrated Science Mock Paper 2 Theory 001 Download
- (a)(i) What is a mixture? [1marks]
(ii) State two properties of a mixture.                                                                        [2marks]
(iii) Name a suitable method of obtaining
- Nitrogen from liquid air
- Sodium chloride from sodium chloride solution
- Water from aqueous magnesium chloride                                   [3marks]
(b) Write the IUPAC names of each of the following compounds;
- FeS ii. H2SO4Â Â Â Â Â Â Â Â Â Â Â Â iii. Na2CO3Â Â Â Â Â Â Â iv. COÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â [4 marks]
(c) i. Describe the following methods of identifying farm animals.
α. Tattooing             β. Tagging                 ϒ. Branding                                          [3 marks]
(d) i. Name the two biological systems which help to co-ordinate the body’s activities     [2 marks]
- Tabulate four differences between arteries and veins.                                               [4 marks]
iii. State one function of the hepatic portal vein in the human body.                              [1 mark]
- a) (i) A body of mass 2kg drops from a height of 20m to the zero level in 2 seconds. What is the power produced? (g = 10m/s2) Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â [3 marks]
(ii) Tabulate three differences between red blood cells and white blood cells.               [3 marks]
- b) (i) State four qualities of fertile soil                                                                [2 marks]
(ii) Explain the term soil fertility.                                                                                 [2 marks]
- c) (i) What is meant by the term mole? Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â [1 mark]
(ii) Calculate the number of moles present in 35.0g of iron metal (Fe = 56)Â Â Â Â Â Â Â Â Â Â Â Â Â Â [2 marks]
- d) Determine the oxidation number of the
(i) atoms underlined in each of the following compounds
(α) MnO2      (β) FeO3         (ϒ) H2SO4      (€) Cr2O7-                                                     [4 marks]
(ii) State one use of each of the following pieces of laboratory apparatus.
(α) Pipette              (β) Reagent bottle             (ϒ) Dessicator                               [3 marks]
3)Â Â Â Three cells each of electro-motive force 2v and negligible internal resistances are connected in series with an ammeter, two resistance, 2 ohms and 6 ohms, and a key.
(i) Draw a diagram for the above information.[ 2marks]
(ii)Calculate the current in the circuit when the key is closed.                                       [2 marks]
(b) (i) Name the four parts of a complete flower                                                                  [2marks]
(ii) State three ways in which seed dispersal is important                                              [3marks]
(iii) What is malnutrition?                                                                                               [1 mark]
(c) Explain the term tillage as used in
(i) Crop production                                                                                                                   [ 2marks]
(ii) Give three advantages of tillage                                                                                          [3marks]
(iii) State two diseases that affect maize                                                                                   [2 marks]
(d) Three liquids, dilute acid solution, alkaline solution, and distilled water, were kept in unlabeled identical reagent bottles. Describe briefly a test that could be performed to identify each of the liquids.
[3 marks]- a) (i) What is colostrum? [1mark]
(ii) State three benefits a young animal derives from feeding on colostrum.                      [3marks]
(iii) Give two reasons for controlling weeds among crops.                                                [2marks]
(b) (i)What is a semiconductor?                                                                                        [1mark]
(ii) Name three household appliances in which semiconductors are used.                  [3 marks]
(iii) List two methods of preventing rusting                                                                 [2 marks]
(c)(i) State three differences between mitosis and meiosis                                                 [3marks]
(ii) Write the process involved in testing for reducing simple sugar                             [3marks]
(d) (i) What will be the value of x for the bar to remain balanced on the wedge
[2marks]
- (a) (i) What is electromagnetic wave? [1mark]
(ii) State three differences between electromagnetic waves and mechanical waves     [3marks]
(iii) Give two uses of transistors.                                                                                   [2marks]
(b) (i) What is breathing?                                                                                                   [1mark]
(ii) State two disorders associated with the respiratory system of humans                  [2marks]
(iii) What is an enzyme?                                                                                               [1mark]
(c)(i) Explain the following terms as applied in animal feed
α) Hay   β) Silage                                                                                                          [2marks]
(ii) What is flushing as used in animal production                                                       [1mark]
(iii) Give two reasons for castrating animals                                                                [2marks]
(d) (i) What is rusting?                                                                                                         [1mark]
(ii) List two methods of preventing rusting                                                                   [2marks]
(iii) State two factors that promote corrosion                                                                [2marks]
- (a) (i) What is hard water? [1mark]
(ii) Give two advantages of hard water                                                                           [2marks]
(iii) List two groups of hydrocarbons                                                                              [2marks]
(b)(i)State two characteristics of westerlies                                                                         [2marks]
(ii) Explain the term artificial insemination as used in animal production                     [1mark]
(iii) State two advantages of artificial insemination in animal production                     [2marks]
(c) (i) What is discontinuous variation?                                                                             [1mark]
(ii) List two examples of discontinuous variation                                                          [2marks]
(iii) State two ways through which AIDS is transmitted                                                [2marks]
(d) (i) What is heat?                                                                                                             [1mark]
(ii) State two effects of heat on a substance                                  [2marks]
(iii) A student eats a bowl of rice worth 80J of energy. If the student uses 50J of the energy in running a 100m race. Calculate the efficiency of the student’s energy conversion.           [2marks]
Download a Copy
| File Name | WASSCE Integrated Science Mock Paper 2 Theory 001 Download |
| File Size | Small |
| Download question | Click here to Download |
| Download Marking Scheme | Loading |
About The Author
