- 1. The study of electromagnetic phenomenal that occur when there are no moving charges is called ____________
A) Electrostatics
B) Electrolyte
C) Electrolysis
D) Dynamic electron
- 2. If two objects are rubbed together, the object that loses electron becomes ___________
A) Charged neutrally
B) Positively and negatively charged.
C) Positively charged
D) Negatively charged
- 3. If two objects are rubbed together, the object that gains electron becomes ___________
A) Negatively charged
B) Positively and negatively charged.
C) Positively charged
D) Charged neutrally D.
- 4. Which of e following is not an example of electrostatic force?
A) Nylon clothes
B) Rubbing a rod with a cloth
C) Television screen
D) None of the above
- 5. ____________ are any of the various substances or object that block or retard the flow of electrical our thermal current.
A) Convention
B) Insulators
C) Condenser
D) Conductor
- 6. Which of these is an example of conductor?
A) Diamond
B) Copper
C) Glass
D) Rubber
- 7. Which of the following is not an insulator ?
A) Diamond
B) Oil
C) Dry wood
D) Gold
- 8. ______________ are objects or materials that allow the flow of electric charge in one or more direction
A) Conductors
B) Insulators
C) Insulin
D) Insulation
- 9. __________________ is done when a force moves a body over a distance in the direction of the force.
A) Work
B) Energy
C) Power
D) Force
- 10. Work is measured in ___________
A) Joules
B) Newton
C) Ohms
D) Watts
- 11. Calculate the work done when a mass of 6.0kg is lifted through a vertical height of 3.0m above the ground ( take g = 10m/s²).
A) 18j
B) 30j
C) 180j
D) 60j
- 12. Calculate the work done when a body is pulled steadily 3.5m against a frictional force of 5N
A) 17.5j
B) 175N
C) 17.5N
D) 175j
- 13. When heat is applied to a given liquid ,what will happen to it's molecules?
A) Gain more kinetic energy
B) Remain the same
C) None of the above.
D) Gain more potential energy
- 14. In the liquid state, kinetic theory assumes that,
A) Non of the above.
B) The movement of the molecules is less restricted
C) Molecules are in constant motion
D) The molecules are in fixed position
- 15. In the solid state, kinetic theory assumes that
A) The movement of the molecules are less restricted
B) Molecules are in constant motion
C) None of the above.
D) The molecules are in fixed position
- 16. In the gaseous state, kinetic theory assumes that
A) The movement of the molecules are less restricted
B) Molecules are in constant motion
C) The molecules are in fixed position
D) None of the above.
- 17. Pure water has a boiling point of __________ at standard pressure.
A) 89°C
B) 1000°C
C) 80.1°C
D) 100°C
- 18. The escape of some molecules from the surface tension of the liquid is called__________
A) Melting
B) Condensation
C) Evaporation
D) Boiling
- 19. ___________ is the ultimate effect of evaporation.
A) Freezing
B) Cooling
C) Heating
D) Boiling
- 20. The following are factors that affect evaporation except.
A) Air movement
B) Water container
C) Temperature
D) Pressure
- 21. The ways in which organisms survive in their various habitat is called --------
A) Development
B) Observation
C) Adaptation
D) Habitation
- 22. Cricket and cancer resistant rat are some of the organisms that live on ------
A) Inside water
B) Subterranean
C) On the tree
D) On the ground
- 23. The history of a family exposing how all the people are related to one another is called -----------
A) Genealogy
B) Synecology
C) Archaeology
D) Palaeontology
- 24. The earliest scientist that presented an organized study on heredity was --------
A) Johann Gregor Mendel
B) T. Mendelev
C) John Dalton
D) Neils Bohr
- 25. ---------- traits are the subjugated traits in a family which for a while remain dormant in a generation.
A) Dormant
B) Dominant
C) Recession
D) Recessive
- 26. The following are importance of family trait except ----------
A) To predict genotype frequency
B) To detect crime
C) Determine a future career
D) Find a lost family
- 27. One of the following is not a developmental stage in man.
A) Labouring stage
B) Adolescence
C) Adulthood
D) Infancy
- 28. The following indicate changes in growth except ---------
A) Increase in weight
B) Increase in mindset
C) Increase in height
D) Increase in size
- 29. The organism that provides food for all other organisms in the ecosystem is ---------
A) Carnivore
B) Decomposer
C) Consumer
D) Producer
- 30. The organisms that feed on both plants and animals are referred to as --------
A) Omnivores
B) Carnivores
C) Herbivores
D) Producers
- 31. Network of interconnected food chains in an ecosystem is called ---------
A) Energy level
B) Food web
C) Food tray
D) Food chain
- 32. Periwinkles and lobsters are found in --------
A) Estuarine
B) Marine habitat
C) Salt water
D) Fresh water
- 33. The freshwater habitats include the following except -------
A) Lakes
B) Ponds
C) Streams
D) Oceans
E) Rivers
- 34. A region where freshwater meets the saltwater is known as -------
A) Estuarine
B) Marine
C) Lakes
D) Streams
- 35. The webbed feet of duck is an adaptive feature for ---------
A) Crawling
B) Swimming
C) Jumping
D) Flying
- 36. _________________ is defined as the increase in size and weight as a result of increase in the number of cells in the body.
- 37. Cerebellum and medulla oblongata are found in which part of the brain? ______ brain [Type only the missing word]
- 38. The basic unit of inheritance is called ________________________
- 39. The part of brain that serves as the centre for intelligence and memory, speed and sense of smell is called ________________________
- 40. Weak and fragile, very rapid growth are characteristics of ________________________. [Type your answer in the singular form only.]
- 41. The word "atom" comes from a Greek word which is --------
A) Atomas
B) Toms
C) Atomos
D) Atom
- 42. ---------- is the smallest particle of an element that could exist and still posses the chemical properties.
A) Atom
B) Proton
C) Electron
D) Neutron
- 43. ---------is defined as any substance that has mass and occupy space.
A) Gas
B) Matter
C) Atom
D) Solid
- 44. --------- is defined as the smallest particle of a substance that is capable of independent existence, and still retains the chemical properties of that substance.
A) Compound
B) Atom
C) Element
D) Molecules
- 45. ---------- is formed when two or more atoms are chemically combined together.
A) Elements
B) Molecules
C) Compounds
D) Radicals
- 46. ---------- is the number of protons present in the atomic nucleus of the element.
A) Atomic number
B) Molecular number
C) Charges
D) Mass number
- 47. The following are the sub-atomic particles of atom except
A) Neutron
B) Electron
C) Proton
D) Nucleus
- 48. One of the following is a type of ion.
A) Cathode
B) Anhydrous
C) Anode
D) Cation
- 49. A positively charged ion is known as --------
A) Cathode
B) Anode
C) Anion
D) Cation
- 50. A negatively charged ion is called -------
A) Cathode
B) Cation
C) Anion
D) Anode
- 51. The sum of the protons and neutrons in the atomic nucleus of an element is called -------
A) Atomic number
B) Chemical equation
C) Symbol of the element
D) Mass number
- 52. --------- are atoms with the same atomic numbers but different mass numbers
A) Chemical reaction
B) Atomicity
C) Molecules
D) Isotopes
- 53. The representations of chemical reactions in terms of the symbols and formulae of the elements and compounds involved is known as -------
A) Chemical equation
B) Reactants
C) Chemical reaction
D) Products
- 54. Calculate the pH of a solution with 0.002M concentration of HNO3.
A) 5
B) 6
C) 3
D) 4
- 55. --------- is defined as the negative logarithm of the hydrogen ion to the base of 10.
A) Alkalinity
B) Neutrality
C) pH
D) Acidity
- 56. In a chemical equation, the substances at the left hand side are called --------
- 57. In a chemical equation, the substances at the right hand side are called --------
- 58. -----------is the part of an atom that is negatively charged.
- 59. ------------- is the positively charged particle of an atom.
- 60. The mass of neutron is ------------[type your answer in words]
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