GTLE INTEGRATED SCIENCE MOCK

GTLE INTEGRATED SCIENCE MOCK

NOTE: MAIN QUESTIONS ARE AVAILABLE 👉  HERE

1. Which layer of the soil profile is rich in organic matter (humus) and is most suitable for plant growth?
   a. Subsoil (B-horizon)b. Topsoil (A-horizon)c. Parent material (C-horizon)

   d. Bedrock (R-horizon)

   answer b

2. The formation of soil from rocks through physical processes like freezing and thawing is an example of:
   a. Chemical weathering
   b. Biological weatheringc. Mechanical weathering

   d. Soil erosion

   answer c

3. The ability of soil to hold air and water depends largely on its:
   a. pH valueb. Temperaturec. Colour

   d. Texture

   answer d

4. Which of the following substances is considered a pure element?
   a. Waterb. Saltc. Air

   d. Iron

   answer d

5. The smallest part of an element that can take part in a chemical reaction is a/an
   :a. Molecule
   b. Compoundc. Atom

   d. Mixture

   answer c

6. A physical combination of two or more substances in which each substance retains its own properties is a/an:
   a. Element
   b. Compoundc. Mixture

   d. Alloy

   answer c

7. Acids are generally characterized by their
   :a. Slippery feel
   b. Bitter tastec. Sour taste

   d. pH above 7

   answer c

8. Which of these is a strong base?
   a. Vinegar (Acetic acid)
   b. Sodium Hydroxide (NaOH)c. Carbonic acid (H2​CO3​)

   d. Citric acid

   answer b

9. The salt produced when Sulphuric Acid (H2​SO4​) reacts with Potassium Hydroxide (KOH) is:
   a. Potassium Chloride
   b. Potassium Sulphidec. Potassium Sulphate

   d. Potassium Nitrate

   answer c

10. The chemical formula for table salt is NaCl. This indicates that one molecule of salt is formed from the reaction of:
    a. Two Sodium atoms and one Chlorine atom
    b. One Sodium atom and one Chlorine atomc. Two Chlorine atoms and one Sodium atom

    d. One Sodium atom and two Chlorine atoms

    answer b

11. Which option correctly identifies a chemical compound?
    a. Gold (Au)
    b. Oxygen (O2​)c. Ammonia (NH3​)

    d. Air

    answer c

12. The number of hydrogen atoms in the chemical formula for water (H2​O) is:
    a. One
    b. Twoc. Three

    d. Four

    answer b

13. The main aim of adopting contour ploughing is to:
    a. Increase soil temperature
    b. Control soil erosionc. Promote waterlogging

    d. Reduce water absorption

    answer b

14. Soil fertility can be maintained by adding decaying organic matter, a process known as:
    a. Crop rotation
    b. Fertilizationc. Composting

    d. Irrigation

    answer c

15. What is the major environmental effect of excessive use of chemical fertilizers?
    a. Increased soil pH
    b. Water pollution (eutrophication)c. Reduced crop yields

    d. Increased soil salinity

    answer b

16. The primary function of the ovary in a flowering plant is to develop into the:
    a. Seed
    b. Fruitc. Pollen

    d. Petal

    answer b

17. The female part of a flower that receives the pollen grain is the:
    a. Style
    b. Stigmac. Filament

    d. Anther

    answer b

18. Which of the following is an internal factor necessary for seed germination?
    a. Water
    b. Suitable temperaturec. Oxygen

    d. Viable embryo

    answer d

19. Which climatic factor is often regulated through irrigation in arid regions for vegetable crop production?
    a. Temperature
    b. Sunlight intensityc. Wind speed

    d. Rainfall/Water availability

    answer d

20. The cultural practice of removing unwanted growing tips to encourage lateral branching is:
    a. Pruning
    b. Stakingc. Thinning

    d. Tilling

    answer a

21. The state of the atmosphere at a particular time and place is known as:
    a. Climate
    b. Weatherc. Season

    d. Atmosphere

    answer b

22. The most common cause of acid rain is the release of oxides of sulphur and nitrogen into the atmosphere, primarily due to:
    a. Photosynthesis
    b. Volcanic eruptionsc. Industrial activities and combustion

    d. Ocean evaporation

    answer c

23. Which season in Ghana is typically associated with high temperatures and minimal rainfall, making irrigation necessary for crops?
    a. Major Rainy Season
    b. Minor Rainy Seasonc. Harmattan/Dry Season

    d. Wet Season

    answer c

24. Shifting cultivation involves farming a piece of land for a few years and then:
    a. Planting only one crop (monoculture)
    b. Applying chemical fertilizers intensivelyc. Moving to a new, cleared piece of land

    d. Integrating crop and animal rearing

    answer c

25. The primary advantage of practicing crop rotation is to:
    a. Reduce the amount of labour required
    b. Maximize soil fertility and minimize pest buildupc. Use only organic fertilizers

    d. Focus on a single high-value crop

    answer b

26. The study of heredity and variation in living organisms is called:
    a. Taxonomy
    b. Ecologyc. Genetics

    d. Physiology

    answer c

27. The thread-like structures in the nucleus of a cell that carry the genes are called:
    a. Nucleoli
    b. Cytoplasmc. Chromosomes

    d. Mitochondria

    answer c

28. Which of the following conditions is an acquired, non-inheritable characteristic?
    a. Natural hair colour
    b. Heightc. Surgical scars

    d. Eye shape

    answer c

29. The main male sex hormone responsible for secondary sexual characteristics is:
    a. Oestrogen
    b. Progesteronec. Testosterone

    d. Insulin

    answer c

30. The process that prepares the female body for a possible pregnancy each month is the:
    a. Fertilization cycle
    b. Digestion cyclec. Respiratory cycle

    d. Menstrual cycle

    answer d

31. In the human male, the tubes that carry sperm from the testes are the:
    a. Ureters
    b. Urethrac. Fallopian tubes

    d. Vas deferens (Sperm ducts)

    answer d

32. The enzyme in the mouth that begins the digestion of starch is:
    a. Pepsin
    b. Amylasec. Lipase

    d. Trypsin

    answer b

33. Bile, which emulsifies fats in the small intestine, is produced by the
    :a. Gall bladder
    b. Stomachc. Liver

    d. Pancreas

    answer c

34. Most of the water in the digestive tract is reabsorbed in the:
    a. Stomach
    b. Small intestinec. Large intestine

    d. Oesophagus

    answer c

35. When light hits a smooth, polished surface, it bounces back. This is known as:
    a. Refraction
    b. Reflectionc. Dispersion

    d. Absorption

    answer b

36. An object that allows some light to pass through but scatters the rays so images cannot be clearly seen is described as:
    a. Transparent
    b. Opaquec. Translucent

    d. Reflective

    answer c

37. A total darkness cast by the Earth on the Moon results in a:
    a. Solar eclipse
    b. Lunar eclipsec. Total reflection

    d. Total refraction

    answer b

38. The law of conservation of energy states that energy can be transformed from one form to another, but it cannot be:
    a. Transferred
    b. Used upc. Created or destroyed

    d. Converted

    answer c

39. The process of using heat from the Earth’s interior as an energy source is:
    a. Hydropower
    b. Wind powerc. Biomass energy

    d. Geothermal energy

    answer d

40. An example of energy transformation is a fan changing electrical energy into:
    a. Light energy
    b. Heat energyc. Chemical energy

    d. Mechanical (Kinetic) energy

    answer d

41. The primary food substance produced by plants during photosynthesis is:
    a. Protein
    b. Glucose (Sugar)c. Water

    d. Starch

    answer b

42. Which external factor is not required for the process of photosynthesis?
    a. Light
    b. Carbon Dioxidec. Chlorophyll

    d. Oxygen

    answer d

43. Which organelle in the plant cell is the main site for photosynthesis?
    a. Nucleus
    b. Mitochondriac. Vacuole

    d. Chloroplast

    answer d

44. Which class of food is mainly rich in starch and sugar?a. Proteinsb. Vitaminsc. Carbohydrates

    d. Minerals

    answer c

45. The deficiency of which nutrient leads to conditions like goitre?a. Ironb. Iodinec. Vitamin D

    d. Calcium

    answer b

46. Which of the following is an example of a good source of protein?a. Maizeb. Cassavac. Fish

    d. Orange

    answer c

47. The mode of heat transfer that involves the actual movement of particles in fluids (liquids and gases) is:a. Conductionb. Convectionc. Radiation

    d. Absorption

    answer b

48. A key difference between physical and chemical change is that a chemical change:a. Is always reversibleb. Does not form a new substancec. Forms one or more new substances

    d. Only involves a change in state

    answer c

49. Which of the following is an example of a physical change?a. Burning woodb. Ripping paperc. Baking a cake

    d. Rusting of iron

    answer b

50. Which change involves the rearrangement of atoms to form new molecules?a. Heating waterb. Dissolving sugarc. A chemical change

    d. A physical change

    answer c

51. An animal that feeds solely on plants in an ecosystem is classified as a:a. Producerb. Primary consumer (Herbivore)c. Secondary consumer (Carnivore)

    d. Decomposer

    answer b

52. The role of producers in an ecosystem is to:a. Break down dead matterb. Feed on primary consumersc. Convert solar energy into food

    d. Recycle nutrients

    answer c

53. An example of a non-living (abiotic) component of an ecosystem is:a. Bacteriab. Plantsc. Sunlight

    d. Animals

    answer c

54. The force of attraction between the Earth and any object with mass is known as:a. Frictionb. Tensionc. Gravity

    d. Pressure

    answer c

55. The tendency of a liquid’s surface to shrink into the minimum possible surface area is called:a. Viscosityb. Buoyancyc. Capillarity

    d. Surface tension

    answer d

56. Increasing the area over which a force is applied will:a. Increase the pressureb. Decrease the pressurec. Not affect the pressure

    d. Increase the force

    answer b

57. An infectious disease that affects the human respiratory system is:a. Malariab. Measlesc. Cholera

    d. Tuberculosis

    answer d

58. What is the primary factor that promotes the growth of infectious plant diseases?a. High pH soilb. Appropriate temperature and humidityc. Excessive weeding

    d. Low nutrient levels

    answer b

59. The essential practice that forms the first line of defence against most infectious diseases is:a. Taking antibioticsb. Immunizationc. Personal hygiene

    d. Drinking unboiled water

    answer c

60. Which of these materials is not easily magnetized?a. Ironb. Steelc. Copper

    d. Nickel

    answer c