April 23, 2024

GSTS WASSCE Integrated Science Mock Questions

GSTS WASSCE Integrated Science Mock Questions

GSTS WASSCE Integrated Science Mock Questions

Ghana Secondary Technical School, GSTS WASSCE Integrated Science Mock Questions

Candidates who attempt GSTS WASSCE integrated science mock questions and pass will surely pass the West African Secondary School Certificate Examination with flying colors. Ghana Secondary Technical School is based in Takoradi and currently regional NSMQ champions of Western Region


Paper 2: Essays (80) marks

Answer any four questions only from this section – 1 1/2 hours

All questions carry equal marks: GSTS WASSCE Integrated Science Mock Questions

1. a. i. List the three major types of weathering

ii. Explain the role of temperature in weathering of rocks

b. A 100W heater is connected to a 240V mains supply. Calculate the

i. current drawn ii. resistance of the heater

c. i. List three compounds which have electrovalent bond

ii. Give two characteristics of electrovalent compounds

d. i. What is rhesus factor

ii. Explain briefly  how the rhesus factor in humans could results in miscarriage


2. a. i. Explain briefly how solar energy is used to generate electricity

ii. state two uses of solar energy

b. i. state five ways of conserving water at home

c. i. state three management practices to ensure high yield in maize production

ii. Explain how two of the management practices stated in (i) help in ensuring high yield of maize

d. state i. two effects of air masses  on the environment

ii. three ways by which global warming can be reduced


GSTS WASSCE Integrated Science Mock Questions

3. a. i. Explain why aluminum resists corrosion but iron does not

ii. state two methods of preventing iron from rusting

b. i. Explain the term culling as used in livestock management

ii. state three benefits of practicing culling

c. i. Distinguish between grafting and budding

ii. Give three reasons for grafting and budding

d. i. state the principles of conservation of energy

ii. state the energy transformation that occurs in each of the following devices

n. a moving motrocycle m. a television set in operation


4. a. i. what are secondary colours of light

ii. Name the colour that results from the combination of each of the following pair of colours of light

n. red and green m. blue and green o. red and blue

b. i. Define the mole of a substance

ii. Calculate the number of atoms in 18g of magnesium metal (Mg = 24, Avogadro number = 6 x 1023)

c. i. Differentiate between bone and cartilage

ii. Name three parts of human body where cartilage are found

d. i. Explain the term deep litter system as used in poultry

ii. Give three advantages of the deep litter system


GSTS WASSCE Integrated Science Mock Questions

5. a. Explain how each of the following actions causes loss of soil nutrients

i. crop removal ii. continuous cropping iii. drainage

b. i. Give the reason for using each of the following devices in household wiring

n. earthing m. stabilizer o. fuse

ii. Explain the behaviour of a p-n junction diode when it is forward biased

c. State in which way each of the following factors is important in germination of seed

i. water ii. oxygen iii. warmth iv. sunlight

d. The table below shows a list of some chemical substances and the sources from which they ae obtained but not correctly matched. In a tabular form, match each of the substances with their sources

Substances Source
I. Ammonia Lime water
Ii. Potassium hydroxide  Sour palm wine
Iii. Calcium oxide Green vegetables
Iv. Ethanoic acid Ashes of plants
V. Ascorbic acid Decomposed organic matter


6. a. i. What is meant by insanitary condition

ii. State three ways by which fire from electrical causes can be prevented

b. i. Give three effects of ectoparasites on cattle

ii. List four methods of controlling ectoparasites on livestock

c. Describe briefly how a standard solution of sodium hydroxide is prepared in the laboratory

d. i. Define displacement

ii. A bird flies with a constant velocity of 100 m/s for 10 minutes. Calculate the magnitude of its displacement.


Paper 3: Objectives

Answer all the questions in this section. GSTS WASSCE Integrated Science Mock Questions

1. A piece of iron rusts when it comes into contact with

a. air only b. moisture only c. oil only d. air and moisture only


2. Vegetative propagation method is commonly used in the cultivation of

a. banana b. cocoa c. cowpea d. pawpaw


3. An atom of an element Q has 23 protons and 26 neutrons. Determine the number of electrons

a. 3 b. 23 c. 26 d. 40


4. Which of the following devices alters an alternating current

a. diode b. dynamo c. rectifier d. transformer


5. Diseases that are easily transmitted from one organism to another through a vector are said to be

a. contagious b. endemic c. infectious d. viral


GSTS WASSCE Integrated Science Mock Questions

6. The function of the pinna of the human ear is to

a. change sound waves into radiations b. change sound waves into electrical impulse

c. receive and retract sound waves d. receive and transmit sound waves


7. It is obligatory to wear goggles in the laboratory when handling substances that

a. are corrosive b. are highly flammable c. are poisonous d. emit sparks


8. Comma-shaped bacteria are known as

a. bacilli b. cocci c. Spirilla d. Vibros

9. A solution contains 18.0g of glucose  per dm3 Determine its molarity (molar mass of glucose, C6H12O6  = 180)

a. 0.01M b. 0.02M c. 0.10M d. 0.20M


10. An example of root tuber is

a. cassava b. groundnut c. onion d. yam


GSTS WASSCE Integrated Science Mock Questions

11. Which of the following industries is operated as a small-scale industry in Ghana

a. aluminium b. computer production c. soap production d. petrol production


12. IN poultry production, temperature is an important factor during brooding because the chicks

a. have no access to natural vegetation b. have to overcome stress of transportation

c. have not developed feathers d. need adequate ventilation


13. The power rating of an electric stove is 750V. Determine the current flowing through it if its resistance is 15

a. 7.07A b. 50.00A c. 62.5A d. 6250.00A


14. The seed of flowering plant imbibes water through the

a. hillium b. integument c. micropyle d. testa


15. Which of the following pairs of elements can combine to form an ionic compound

a. C and O b. N and Mg c. H ans S d. Cu and O


GSTS WASSCE Integrated Science Mock Questions

16. Kerosene, diesel and bitumen are obtained from crude oil by a process called

a. cracking b. chromatography c. sublimation d. fractional distillation


17. In flowering plants, mineral salts are transported through the

a. cambium b. phloem c. stoma d. xylem


18. Fertilization in humans usually occurs in the

a. ovary b. oviduct c. uterus d. vagina


19. The general molecular formular of alkanes is

a. CnH2n b. CnH2n-2 c. CnH2n-1 d. CnH2n+2


20. The frictional force between two bodies on the

a. area of the surface in contact b. speed at which the bodies are moving

c. nature of the surfaces of the bodies in contact d. movement of the bodies in contact


GSTS WASSCE Integrated Science Mock Questions

21. Lactic acid can be found in

a. grape b. orange c. palm oil d. sour milk


22. An example of an ectoparasite is

a. housefly b. tapeworm c. tick d. liver fluke


23. A tall maize plant with genotype TT is crossed with a short maize plant with genotype tt. What will be the genotype of their offsprings

a. 50% TT b. 50% tt c. 100% Tt d. 100% TT


The diagram below is an illustration of NPN transistor. Study it carefully and answer questions 24 and 25.

24. The function of the part labelled II is to supply

a. protons b. voltages c. negative charges d. positive charges


25. The part labelled I is

a. base b. collector c. emitter d. resistor


GSTS WASSCE Integrated Science Mock Questions

26. Bacteria belong to kingdom

a. animalia b. fungi c. porkaryotae d. protoctista


27. The bicuspid valve in the hart of a mammal is located between the

a. left auricle and the left ventricle b. aorta and the left auricle

c. right auricle and the right ventricle d. right auricle and the superior vena cava


28. Land and sea breezes occur as a result of

a. conventional currents b. the different position of the moon

c. the revolution of the earth d. heat transfer by land


29. A test for hydrogen in the laboratory is

a. a characteristic irritating smell b. a ‘pop’ sound produced with a glowing splint

c. production of pungent smell d. rekindling of glowing splint


30. Which of the following effect are associated with late harvesting of maize

i. increase in crop yield ii. rain may cause grain to rot

iii. weevils may attack and destroy grain  iv. exposure of maize to attacks by birds and rodents

a. i and ii only b. iii and iv c. i, ii and iv only d. ii, iii and iv only


GSTS WASSCE Integrated Science Mock Questions

31. All the following are major plant nutrients except

a. calcium b. iron c. magnesium d. Sulphur


32. How many moles of substances are in 4g of NaOH

a. 160 b. 10 c. 0.14 d. 0.1


33. The main stomach of a ruminant is the

a. abomasum ii. omasum c. reticulum d. rumen


34. A transistor can be used aa i. switch ii. rectifier iii. amplifier. Which of the statements above is/are correct

a. i only b. i and iii only c. ii and iii only d. i, ii and iii


35. The blinking of the human eye is considered a reflex action because it is

a. initiated from the cerebrum b. an automatic response

c. a delayed response d. under the control of the heart


GSTS WASSCE Integrated Science Mock Questions

36. Which of the following organisms is regarded as both living and non-living thing

a. amoeba b. bacteria c. spirogyra d. virus


37. A lump of gold has a density of 8gcm-3 and a volume of 20cm3. Determine the mass of the gold

a. 0.4g b. 2.5g c. 28.0g d. 160.0g


38. The main method of propagating cassava is

a. budding b. grafting c. seed d. stem cutting


39. Which of the following pairs of compounds belongs to the same homologus series

a. C3H6and C3H8 C4H10 and C5H10 c. C2H4 and C4H10 d. C2H6 and C4H10


40. Local breeds of fowl are i. small in size ii. slow growers iii. highly resistant to diseases

a. i only b. i and ii only c. ii and iii only d. i, ii and iii


GSTS WASSCE Integrated Science Mock Questions

41. The major fraction of crude oil are separated by

a. chromatography b. condensation c. fractional crystallization d. fractional distillation


42. The gestation period of cow is approximately

a. seven months b. eight months c. ten months d. eleven months


43. A metal that could be used in the laboratory preparation of hydrogen gas is

a. copper b. mercury c. silver d. zinc


44. Water referred to as universal solvent because it

a. dissolves all substances b. react with base to produce salt

c. dissolves most substances d. changes blue litmus solution to red


45. All the following plant seeds undergo epigeal germination except

a. cowpea b. flamboyant c. maize d. castor oils


GSTS WASSCE Integrated Science Mock Questions

46. The temperature of a body is 80oC. the body’s temperature in kelvin is

a. 80 K b. 253 K c. 335 K d. 353 K


47. A force of 90N was used to raise a load of 450 N. Determine the mechanical of the machine

a. 18000 b. 380 c. 80 d. 5


48. Liming the soil improves its fertility by

a. neutralizing soil acidity b. decreasing the activity of soil micro-organism

c. improving soil structure d. reducing soil erosion


49. The energy possessed by a boy on top of a wall is

a. chemical energy b. heat energy c. kinetic energy d. potential energy


50. Which of the following elements is a constituent of brass

a. iron b. magnesium c. tin d. zinc

See also: GSTS WASSCE Economics Mock Questions

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