NTC GTLE Exams Past Questions and Answers JHS Intergrated Science

GTLE Content Areas Past Questions And Answers JHS Intergrated Science

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1. An element is formed from the combination of ………………..
A. an atom and compound.
B. an atom and mixture.
C. mixture and compound.
D. same kinds of atoms……answer

2. Addo is feeling heartburns and needs to take medication to get better. In order not to worsen the situation, Addo should avoid eating all the following except……………
A. banana….answer
B. lemon.
C. lime.
D. orange.

3. Which type of chemical reaction is involved when carbon monoxide reacts with oxygen to produce carbon dioxide?
A. Addition…..answer
B. Decomposition
C. Neutralization
D. Substitution

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4. One of the following is not a characteristic of chemical change.
A. Energy is produced.
B. It is irreversible.
C. It is reversible……answer
D. A new substance is formed.

5. In ecology, the term ‘community’ is defined as ……………..
A. the number of organisms of the same species living in a particular area at a particular time.
B. different populations living in the same area……answer
C. organisms of the same species living in the same area that can only inter-breed.
D. the movement of organisms from one place to another.

6. Amoxicillin, Doxycycline, Azithromycin, and Penicillin are some examples of ………
A. bacteria.
B. pathogens.
C. antibiotics……answer
D. vaccinations.

7. The following sources of light are natural except ……………….
A. glow worm.
B. lantern…..answer
C. stars.
D. sun.

8. The energy stored in food is a/ an ……………………… energy.
A. Chemical……answer
B. electrical
C. solar
D. thermal

9. What is the function of carbohydrates to the body? They …………….
A. provide the body with water.
B. provide the body with energy……answer
C. serve as catalyst for digestion.
D. serve as nutrients for the body.

10. All the following features characterize clinical thermometer except that it has a ………
A. bulb.
B. kink.
C. tripod stand……answer
D. calibrations.

11. Which of the following statements is true about the vacuum flask?
A. It has a cork support……answer
B. It has a constriction.
C. It has both lid and constriction.
D. It has a dull surface.

12. During a storm, you see lightning flash and then later hear thunder. What best explains this observation?
A. You were closer to the lightening
B. Light travels faster than sound…..answer
C. Light is an energy
D. Sound must travel through matter

13. Plants need all the following substances during photosynthesis except ………….
A. carbon dioxide.
B. starch……answer
C. sunlight.
D. water.

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14. One characteristic of a wind pollinated flower is that it has ……………..
A. bright colours.
B. conspicuous flowers…..answer
C. inconspicuous flowers.
D. sticky pollen grains.

15. The phenomenon that is responsible for flowering in plants is ……………………
A. acclimatization.
B. photoperiodism…..answer
C. rainfall.
D. temperature.
16. The two products that can be formed from the reaction NaOH + HCl are ………….
• NaCl + 2HO.
• NaCl + H2O…….answer
• NaCl + H2O2.
• NaCl + HO2.

17. The life cycle of a flowering plant includes all the following stages except…………..
A. seed.
B. germination.
C. reproduction.
D. transmission……answer

18. Which of the following is true about pressure in liquid?
I. Pressure at a point in liquid acts equally in all directions.
II. Pressure increases with depth in liquids.
III. Pressure acts only in one direction in liquids.
IV. Pressure acts only in two directions in liquids.
A. I only
B. II only
C. II, III and IV only
D. I and II only…..answer

19. Which law states that actions and reactions are equal and opposite?
A. First law of Newton
B. Law of multiple proportion
C. Second law of Newton
D. Third law of Newton…..answer

20. The organism that serves as a host to a disease causing organism is a/an …………
A. agent.
B. carrier.
C. convener.
D. vector……answer

21. Which of the following metals is not a magnetic material?
A. Cobalt
B. Gold…..answer
C. Iron
D. Nickel

22. Which of the following statements explains the fast nature of weathering of rocks in the tropics? Tropics are …………………….
A. cold and airy.
B. drier and hotter.
C. hot and airy.
D. hotter and wetter……answer

23. In an experiment to separate salt from a mixture of salt and sand, the teacher asked the students to follow the correct steps which are ……………
A. dissolution, filtration, evaporation and recrystallization…..answer
B. evaporation, filtration, dissolution and recrystallization.
C. filtration, recrystallization, evaporation and dissolution.
D. recrystallization, dissolution, filtration and evaporation.

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24. A student mixed iron filings and sulphur powder and strongly heated the mixture. The student observed the formation of ……………………………..
I. Iron II sulphide (Fe2S)
II. Iron sulphide (FeS).
III. Sulphur Hydroxide (SoH2)
A. I only….answer
B. II only
C. I and II only
D. I, II and III only

25. The following compounds are bases except ………………………….
I. NaOH
II. HNO3
III. H2SO4
IV. KOH
V. CaCO3
A. I and II only.
B. I, II and IV only.
C. IV and V only.
D. II and III only…..answer

26. What is the chemical name for Cu2SO4?
A. Copper(I)sulphate
B. Copper(II)sulphate…..answer
C. Copper(II)sulphite
D. Copper(I)oxide

27. Which of the following chemical formulas represents ammonium carbonate?
A. NH4CO3
B. (NH4)2CO3…..answer
C. NH3(CO3)2
D. NH3(CO2)3

28. Eutrophication is an aquatic problem associated with excessive application of chemical fertilizer on farms. When water bodies are enriched with these fertilizers, they cause …………………bloom.
A. Algal…..answer
B. bacterial
C. euglena
D. paramecium

29. Farmers are advised to use eco-friendly fertilizers on their farms to prevent pollution of the environment. One reason for this advice is that ………………..
A. ammonium sulphate is an inorganic fertilizer hence good for the soil.
B. farm yard manure is organic, easily decomposed and has less effect on the environment….answer
C. guano is inorganic and good for crop production.
D. urea is an organic fertilizer which is good for the soil.

30. Use the diagram below to answer questions 30 and 31.

A. Ovary
B. Ovule …..answer
C. Petals
D. Sepals

31. The part labeled I is called a/an ……………….
A. anther.
B. ovary.
C. stigma……answer
D. style.

32. In each of the activities listed below, state whether the changes that occur are physical or chemical.
I. An egg is boiled for five minutes.
II. A piece of bread is chewed for two minutes.
III. A piece of paper is burnt to ashes.
A. I is a chemical change. II is a chemical change. III is a chemical change……answer
B. I is a physical change. II is a physical change. III is a physical change.
C. I is a chemical change. II is a physical change. III is a chemical change.
D. I is a physical change. II is a chemical change. III is a physical change.

33. Which of the following devices works on the principle of transmission of pressure in fluid?
I. Thermo flask
II. Syringes
III. Bicycle brakes
A. I only
B. I and II only
C. II and III only/…….answer
D. I, II and III only

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34. Which types of pest and parasite control methods are listed below?
I. use of pesticides
II. use of predators
III. draining of clogged drains
IV. hand picking
A. I is chemical. II is cultural. III is physical. IV is biological.
B. I is chemical. II is biological. III is cultural. IV is physical……answer
C. I is cultural. II is cultural. III is physical. IV is biological.
D. I is physical. II is cultural. III is biological. IV is chemical.

35. When a steel rod is magnetised by the double stroking method, we obtain ……. at the end of the rod.
A. north pole at both ends of the rod
B. south pole at both ends of the rod
C. south and north poles at the opposite ends…..answer
D. no poles at both ends of the rod

36. Water is placed in a flask and heated. The water level first falls a little in the glass tube and then quickly rises beyond the mark from which it falls. The explanation to the fall in the water level is that the …………………….
A. flask gets hot first and expands thus creating more volume for water……answer
B. flask gets hot first and reduces in size thus creating more volume in the water.
C. water gets hot first and expands thus creating more volume in the flask.
D. water molecules reduce in size after heating hence more volume in the flask.

37. Use the table to answer question 37

A farmer practising a crop rotation system decided to plant maize, cowpea and tomatoes for three seasons. What should be the planting pattern for season 3?
A. I is cowpea. II is tomato. III is maize……answer
B. I is maize. II is tomato. III is cowpea.
C. I is maize. II is cowpea. III is tomato.
D. I is tomato. II is maize. III is cowpea.

38. A farmer used the crops-sweet potatoes, maize and groundnut- in a crop rotation in his backyard garden as illustrated in the table below for three successive growing seasons.

Which of the crops should be planted on Plot Y?
A. Groundnut
B. Maize
C. Sweet potatoes…..answer
D. Tomatoes

39. When Afiba was born, her family realized that the shape of her lips resembled that of her mother, and her skin colour resembled that of the father. Which of the following statements best explains these observations?
A. Both parents have the shape of the lips and skin colour of Afiba in their genes.
B. The shape of the lips and the skin colour were present in the genes of the mother and father respectively……answer
C. The shape of the lips and the skin colour were carried by the genes of the mother.
D. The shape of the lips and the skin colour were carried by the genes of the father.

40. The diagram below shows a side view of the male reproductive system. Use it to answer question 40

• A is penis. B is prostate gland. D is testis……answer
• A is penis. B is cowper’s gland. D is scrotum.
• A is penis. B is bladder D is sac.
• A is penis B is sperm duct. D is epididymis.

41. The table below shows the end product of digestion of food substances. Which food substances are indicated by I, II and III?

A. I is carbohydrate. II is amino acid. III is fats and oil…….answerr
B. I is vitamin. II is lipase. III is amylase.
C. I is maltose. II is pepsin. III is lipase.
D. I is fats and oil. II is amino acid. III is carbohydrate.

42. What will be the total number of electrons in the 3rd orbit/M-shell if the maximum number of electrons that can be present in a shell is given by 〖2n/2〗^2=n^2 where n is the orbit number 1, 2, 3……..?
• 2
• 8
• 18……answer
• 32

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43. Convert the following word equation into a balanced equation. Magnesium reacts with oxygen to produce magnesium oxide.
A. Mg + O→MgO
B. Mg +O2→MgO2
C. Mg + O2→2MgO
D. 2Mg + O2→2MgO…..answer

44. Which of the following equations on the reaction between H2S and SO2 is correct?
A. H2S + SO2→H2O + S
B. H2S + SO2→2H2O + S
C. 2H2S + 3SO2→2H2O + S
D. 2H2S + SO2→2 H2O +3S……answer

45. The following results were obtained from an experiment to determine the water holding capacity of three different types of soil.

Which of the following statements is true about the experiment?1. Soil sample II is sand. 2. Soil sample III is humus. 3. Soil sample III has the highest water holding capacity. 4. Soil sample I is clay. 1 and 3
A. 1 and 3
B. 2 and 3……answer
C. 1 and 2
D. 1, 2 and 3

46. Use the setup below to answer questions 46 and 47

In a laboratory the setup is used to separate ………………………..
A. insoluble and solvent…….answer
B. miscible liquid and water.
C. solute and solvent.
D. solvent and liquid.

47. The principle in the setup can be applied in the industry for ………….
A. distilling.
B. filtering…….answer
C. subliming.
D. vapouring.

48. Animals depend on plants for food because …………….
A. they do not need to drink water when they eat plant food.
B. only plant food can give them enough energy and make them feel satisfied.
C. plants can be found everywhere.
D. only plants can convert the first source of energy into consumable items……answer

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49. This activity will help a student discover whether a particular environmental factor will affect how quickly mould grows on bread. The student needs four slices of bread and sixteen transparent plastic bags, each with a few pinpricks in them, some water, a dropper, a thermometer, a fridge, a freezer, a cool dark place and a warm dark place. Which environmental factor is the student supposed to investigate its effect on the bread?
A. Humidity
B. Temperature….answer
C. Rainfall
D. Wind

50. A student performed an experiment to compare two liquids in two measuring cylinders A and B, at the same level. Metal ball bearings were dropped in A and B at the same time. The student observed that it took more time for the ball bearing to reach the bottom of the measuring cylinder A than cylinder B. The liquids in cylinders A and B respectively were ………………
A. diesel and engine oil.
B. water and honey.
C. kerosene and cooking oil.
D. engine oil and diesel……answer