SHS Integrated Science Mock Questions And Answers (Obj)
Integrated science mock questions
SHS Integrated Science Mock Questions And Answers
Integrated science mock questions and answers: This set of questions is the supper mock questions designed for the students towards their incoming examinations
mock questions
1. Which of the following machines is an example of a second class lever?
A. Crowbar B. Wheelbarrow C. A pair of scissors D. A pair of tongs
2. Cretinism in children results from the deficiency of the hormone known as
A. adrenal in. B. insulin. C thyroxin. D. testosterone.
3. Which of the following alloys does not contain copper?
A. Brass B. Bronze C. Duralumin D. Steel
Integrated science mock questions
4. The hormone which induces ovulation in farm animals is
A. oestrogen. B. oxytoxin. C. progesterone. D. relaxin.
5. Sound travels fastest in
A. air. B. iron. C. water. D. wood.
Integrated science mock questions (Objectives)
6. Which of the following statements about mixture is correct?
A. A new substance is formed.
B. Properties of the mixture are different from those of the constituent elements.
C. Constituent elements can be in any proportion.
D. Constituent elements can be separated by chemical means.
7. Humus is important to the soil because
A. absorbs soil water.
B. increases soil acidity.
C. acts as host for microbes.
D. stabilizes mineralization.
Integrated science mock questions
8. In humans, urine moves from the kidneys to the ladder through the
A. renal vein. B. collecting duct. C. ureter. D. urethra.
9. Which of the following defects affect vision in humans?
I. Myopia
II. Astigmatism
III. Presbyopia
IV. Hypermetropia
A.I and IV only B. II and III only C. I, II and III only D. I, II, III and IV
10. The role of cowpea in a crop rotation programme is to
I. check soil erosion
II. control soil pest infestation
III. improve soil fertility
Which of the above statements are correct?
A. I and II only B. I and III only C. II and III only D. I, II and III
Integrated science mock (Objectives)
11. The left ventricle of the human heart has thick muscular wall because it
A. requires much pressure to pump blood to the heart.
B. is the largest chamber of the heart.
C. pumps deoxygenated blood to the lungs.
D. pumps oxygenated blood to all organs of the body.
12. Which of the following factors will not
affect the rate of diffusion?
A. Pressure
B. Temperature
C. Surface area to volume ratio
D. Concentration gradient
13. One difference between a vein and an
artery in humans is that the artery
A. has no valves.
B. has wider lumen.
C. has thinner walls.
D. carries blood under low pressure.
Integrated science mock questions
14. An electric fan is connected to a 200 V source and the current passing through the fan is
10 A. If the fan is used for 2 minutes, determine the amount of energy consumed.
A. 2000J B. 4 000 J C. 24 000 J D.240 000 J
15. Which of the following statements about fats are correct? They
I. are solid at room temperature.
II. are unsaturated.
III. have higher melting points than oils.
A. I and II only B. I and III only C. II and III only D. I, II and III ‘
Integrated science mock questions (Objectives)
16. One advantage of artificial incubation is that
A. the eggs are safe from pest attack.
B. less money is needed to establish it.
C. it does not depend on external source of heating.
D. it is suitable for hatching few eggs.
17. The function of the proventriculus in the digestive system of a fowl is to
A. store the food. B. absorb the food substances.
C. grind the food. D. secrete digestive enzymes.
18 Which of the following statements about continuous variation are correct?
I. The characteristics are not easily distinguishable.
II. It is caused by the combined effects of few genes.
III. It exhibits many intermediate characteristics.
IV. The environment has little or no effect on the way the genes express themselves.
A. I and II only B. II and III only C. I. II and III only D. II, III and IV only
Integrated science mock questions
19. Ionic compounds have high melting points because they
A. have strong bonds. B. consist of molecules.
C. do not conduct electricity. D. are soluble in organic solvents.
20. A light emitting diode was connected in series with a capacitor and a d.c. source. What
observation would be made when the circuit is closed? The diode
A. does not light. B. lights and goes off. C. lights and stays on. D. blows off.
Integrated science (Objectives)
21. Which of the following signs is/are
associated with menopause in humans?
I. Cessation of ovulation
II. Decrease in the size of the uterus
III. Increase in sexual affinity
A. I only B. I and II only C.II and III only D. I, II and III only
22. Soil air is important because
A. is used for respiration by soil microorganisms B. dissolves mineral salts.
C. maintains the turgidity of plant D. cools the plants.
23. An example of a strong acid is
A. hydrochloric acid. B. methanoic acid. C. lactic acid. D. ethanoic acid.
Integrated science mock questions
24. The mechanical advantage of a machine is 4 and its velocity ratio is 8. Determine its efficiency.
A. 12.5 % B. 25.0 % C. 50.0 % D. 200.0 %
25. Which of the following statements are reasons for weaning farm animals?
I. Mother to produce more milk
II. Mother to gain more weight
III. To shorten the period between birth and the next pregnancy
A. I and II only B. I and III only C. I and III only D. I, II and III
Integrated science mock questions (Objectives)
26. In the treatment of water for public consumption, powdered potash alum is added in order to
A. kill germs. B. coagulate fine particles.
C. remove large particles of organic debris. D. give taste to the water.
27. Which of the following statements about a dominant gene is correct? It
A. expresses itself in the homozygous state only.
B. expresses itself in the heterozygous state only.
C. expresses itself in both homozygous and heterozygous states.
D. consists of a pair of alleles.
Integrated science mock questions
28. During very hot weather, it is not advisable to wear dark coloured garments because they
A. absorb the sun’s radiation making the inside hot
B. reflect the sun’s radiation making the inside col
C. convert the heat absorbed into other forms of energy.
D. maintain the temperature inside the garment.
29. Alkenes are unsaturated because they
A. contain carbon-carbon double bonds. B. are unreactive.
C. undergo substitution reaction. D. are tetrahedral in shape.
mock questions (Objectives)
30. Which of the following structures in the respiratory system of humans protects the lungs?
A. Diaphragm B. Larynx C. Rib D. Trachea
31. The form of energy produced as a result of vibrations of matter is
A. chemical. B. electrical. C. nuclear. D. sound.
32. Which of the following factors does not cause weathering of rocks?
A. Light B. Temperature C. Water D. Wind
Integrated science mock questions
33. One way of making magnetic field stronger in a solenoid is to
A. increase the number of turns of wire.
B. decrease the current in the solenoid.
C. ensure that the field lines are far apart.
D. change the direction of magnetic field lines.
34. Which of the following statements about a parasite is/are correct? It
I. depends on its host.
II. has special adaptive features.
III. causes diseases.
A. I only B. II only C. I and II only D. I, II and III
Integrated science mock questions (Objectives)
35. Carbon dioxide is used in extinguishing fire because it
A. supports combustion. B. is denser than air.
C. is not soluble in water. D. cannot be easily liquefied.
36. A chemical test for water in the laboratory is its ability to
A. boil at l00°C B. dissolve sodium hydroxide.
C. lather very easily with soap. D. turn white anhydrous copper sulphate blue.
Integrated science mock questions
37. People with sickle cell suffer from anaemia because
A. abnormal haemoglobin does not earn sufficient oxygen.
B. recessive genes are carried on the X-chromosomes.
C. they cannot receive blood of their own group.
D. of the presence of Rhesus factor in their blood.
38. Which of the following measures could be taken to minimize the negative effects of mining
activities on a community?
I. Reclaiming of used land
II. Avoiding the discharge of waste into water bodies
III. Afforestation programmes
A. I and II only B. I and III only C. II and III only D. I, II and III
39. An example of rotational motion is
A. movement of an ant searching for food.
B. an athlete running a 100 m race.
C. motion of a simple pendulum.
D. movement of the blades of a ceiling fan.
40. The hydrocarbon C6H10 is an example of
A. alkane B. alkene. C. a l k y n e D. alkanol
Integrated science mock questions (Objectives)
41. Which of the following statements about glucose produced during photosynthesis is/are correct?
It is
I. converted to starch and stored as food
II. convened to cellulose which supports the plant.
III. used to produce energy
A. I only B. I and II only C. 11 and III only D. I. II and III
42. A body of mass 10 kg, placed at a height above the ground, has potential energy of 500 J.
Determine the height at which the body is placed. [Take g = 10 m/s2]
A. 5m B. 10m C. 50 m D. 500m
43. In the herbivore, the incisors are located in the
A. front of the upper jaw. B. front of the lower jaw.
C. back of the upper jaw. D. back of the lower j aw.
Integrated science mock questions
44. An atom has 16 protons and 12 neutrons in its nucleus. The number of electrons in the atom is
A. 4. B. 12. C. 16. D. 28.
45. Cereals are propagated by
A. crowns. B. seeds. C. suckers. D. stem cutting.
Integrated science mock questions (Objectives)
46. Sheep are classified based on
I. body size and shape. II. length of legs. II. coat characteristics.
46. Which of the above statements are correct?
A. I and II only B. I and III only C. II and III only D. I, II and III
47. The function of the epicarp of the fruit of tridax is to
A. absorb water during germination. B. aid in the dispersal of seeds.
C. store food. D. produce the nectar.
Integrated science mock questions
48. Which of the following instruments is most suitable for the measurement of the diameter
of a thin wire?
A. Vernier calipers B. Metre rule C. Tape measure D. Micrometer screw gauge
49. The products of the reaction between sodium hydroxide and hydrochloric acid are
A. sodium chloride and water.
B. hydrogen chloride and water.
C. sodium chloride and hydrogen gas.
D. hydrogen chloride and hydrogen gas.
50. Which of the following measures are taken to conserve energy?
I. Switching off electrical appliances when not in use
II. Closing all windows and doors when using an air conditioner
III. ironing clothes in bulk
IV. Allowing hot food to cool before putting it in the refrigerator
A. I and II only B. III and IV only C. I, II and III only D. I, II, III and IV
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