Grade 7 Integrated Science – Laboratory Apparatus and Instruments Quiz

1. Which instrument is not used to measure length?

tape measure
Calibrator
rulers
rules
Explanation:

2. ---- is used to measure long lengths.

tape measure
ruler
rule
calibrator
Explanation:

3. Differentiate between rule and ruler.

The zero mark of the ruler is located at the edge while that of a rule is located away from the edge.
the rule is half that of ruler
the size of them differs alot .
The zero mark of the rule is located at the edge while that of a ruler is located away from the edge.
Explanation:

4. Which one is not away of handling rules and rulers?

avoid spilling liquids on them.
store them in a cool place .
do not place heavy loads on them .
avoid scratching.
Explanation:

5. Which one is not a proper way of handling instruments for measuring mass ?

they should be kept clean .
worn out disposable cells should be replaced
balances should be dropped .
balances should be used on flat and level surface we should not place more mass than its maximum .
Explanation:

6. ---- is a measure of the force of gravity on an object.

Volume
Earth
Mass
Weight
Explanation:

7. ---- is used to measure weight.

Microscope
beam balance
beaker
spring balance
Explanation:

8. ---- is measured in newtons.

Area
Mass
Length
Weight
Explanation:

9. Which apparatus are not used to measure volume?

beaker and conical flask
microscope and magnifying lens
burrete and pipette
volumetric flask and measuring cylinder
Explanation:

10. Below are parts of a thermometer.Which one is not ?

Hook
Bulb
Scale
Capillary tube
Explanation:

11. --- are used to magnify small objects.

magnifying lens and beaker
conical flask and measuring cylinder
tape measure and magnifying lens
magnifying lens and microscope
Explanation:

12. ---- is not part of a microscope.

body tube
base
eyepiece
eye limb
Explanation:

13. ---- supports the body tube and stage.

base
limb
clip
mirror
Explanation:

14. ........ provide firm and stable support for the microscope.

body tube
arm
eyepiece
stand
Explanation:

15. ...... holds the eyepiece and revolving nosepiece

arm
body tube
clip
base
Explanation:

16. ........brings the image into rough focus by raising and lowering the body tube through a large distance.

Fine adjustment knob
stage
Coarse adjustment knob
mirror
Explanation:

17. ............brings the image into sharp focus by raising or lowering body tube slowly through a short distance.

diaphragm
coarse adjustment knob
eyepiece
fine adjustment knob
Explanation:

18. ......... is an opening that regulates the amount of light passing through the condenser to illuminate the specimen.

Diaphragm
revolving nose piece
objective lens
clip
Explanation:

19. .......... contains a lens which contributes to the magnification of the specimen under view.

objective lens
revolving nose piece
mirror
Eyepiece
Explanation:

20. ......... is a second set of lenses used in combination with eyepiece lenses to bring the desired magnification.

objective lens
coarse adjustment knob
fine adjustment knob
mirror
Explanation:

21. ....... reflects light through the condenser onto the stage.

eyepiece
mirror
diaphragm
clip
Explanation:

22. .......holds the objective lenses in place.

clip
mirror
coarse adjustment knob
revolving nose piece
Explanation:

23. ...... concentrates light onto the stage.

stand
clip
condenser
mirror
Explanation:

24. .......is a flat platform where the specimen on the slide is placed.

clip
stage
eyepiece
fine adjustment knob
Explanation:

25. ...... holds the slide in position.

stand
condenser
stage
clip
Explanation:

26. Which one is not a good practice when using a light microscope?

Always use both hands when carrying it.
Regular touching of the mirror and the lens with your hand.
Clean dirty lenses with soft tissue paper moistened in ethanol.
Always clean and store it in a safe place .
Explanation:

27. Below are apparatus used for heating.Which one is not?

Electric heater
Thermometer
Spirit lump
Bunsen burner
Explanation:

28. Below are some of the parts of a Bunsen burner.Which one is not?

Chimney
Clip
Collar
Base
Explanation:

29. ....... supports parts of the Bunsen burner on the surface.

Chimney
Base
Collar
Clip
Explanation:

30. ......is connected to a rubber tube.

Base
Collar
Gas jet
Gas inlet
Explanation:

31. ........lets gas into the base of the chimney.

Airhole
Collar
Gas inlet
Gas jet
Explanation:

32. ........lets air in to mix with the gas from the jet.

Chimney
Airhole
Base
Collar
Explanation:

33. ....is used to regulate the amount of air entering the chimney.

Base
Flame
Gas hose
Collar
Explanation:

34. ......allows the flammable gas to mixed with air to move to the top of the Bunsen burner.

Chimney
Collar
Gas jet
Gas inlet
Explanation:

35. There are two types of flames.Which are these ?

Toxic and non-toxic
Flammable and non-flammable
Luminous and non-luminous
Bright yellow and pale blue
Explanation:

36. Which flame is hotter?

Luminous
Non-luminous
non-flammable
Flammable
Explanation:

37. .....produces more light than ......

toxic, non-toxic
Luminous, non-luminous
ignitable,non-ignitable
flammable, non-flammable
Explanation:

38. Why are apparatus used to measure volume made of glass or plastic?

To reduce them
Transparency
To save money
for easier use
Explanation:

39. Why is the Bunsen burner mostly preferred as a source of heat in the laboratory?

it is easy to buy
it easy to carry
it uses flammable gas
it is limited
Explanation:

40. Which of the following laboratory apparatus is used to measure liquid volume?

Beaker
Bunsen burner
Thermometer
Graduated cylinder
Explanation:

A graduated cylinder is a precise tool used to measure the volume of liquids in milliliters (mL) or cubic centimeters (cm3).

41. What is the function of a Bunsen burner in a laboratory?

Heating substances
Measuring temperature
Measuring liquid volume
Holding test tubes
Explanation:

A Bunsen burner is a common laboratory tool used for heating substances during experiments or reactions.

42. Which of the following is NOT a safety precaution when using laboratory instruments?

Tying back long hair
Eating snacks in the lab
Wearing safety goggles
Using gloves
Explanation:

Eating snacks in the laboratory can introduce contaminants or pose a risk of ingestion of chemicals.

43. What is the purpose of a test tube holder in a laboratory?

Measuring temperature
Heating substances
Measuring liquid volume
Holding test tubes
Explanation:

A test tube holder is used to securely hold test tubes while heating substances or conducting experiments.

44. Which laboratory instrument is used to measure temperature?

Bunsen burner
Thermometer
Beaker
Measuring cylinder
Explanation:

A thermometer is used to measure the temperature of substances in a laboratory setting.

45. Which of the following laboratory apparatus is used for measuring volume of liquids?

Beaker
Test tube
Graduated cylinder
Thermometer
Explanation:

A graduated cylinder is used for accurately measuring the volume of liquids in milliliters.

46. What is the function of a Bunsen burner in the laboratory?

To hold test tubes
To heat substances
To measure temperature
To weigh substances
Explanation:

A Bunsen burner is used in the laboratory to provide a flame for heating substances during experiments.

47. Which laboratory apparatus is used for mixing or stirring substances?

Funnel
Beaker
Stirring rod
Test tube rack
Explanation:

A stirring rod is used to mix or stir substances in a beaker or test tube during experiments.

48. What is the purpose of a magnifying glass in the laboratory?

To heat substances
To measure mass
To measure volume
To observe small objects
Explanation:

A magnifying glass is used in the laboratory to make small objects appear larger for better observation.

49. Which of the following is used to hold test tubes during an experiment?

Test tube rack
Thermometer
Graduated cylinder
Petri dish
Explanation:

A test tube rack is used to hold multiple test tubes upright and secure during experiments.

50. What is the function of a dropper in the laboratory?

To measure mass
To observe small objects
To heat substances
To transfer small amounts of liquids
Explanation:

A dropper is used to transfer small amounts of liquids with precision in the laboratory.

51. What laboratory apparatus is used for filtering solids from liquids?

Test tube
Beaker
Filter funnel
Thermometer
Explanation:

A filter funnel is used in the laboratory to separate solids from liquids through the process of filtration.

52. Which of the following is used for measuring temperature in the laboratory?

Beaker
Graduated cylinder
Thermometer
Stirring rod
Explanation:

A thermometer is used to measure temperature in degrees Celsius or Fahrenheit in the laboratory.

53. What is the function of a petri dish in the laboratory?

To culture microorganisms
To heat substances
To hold test tubes
To observe small objects
Explanation:

Petri dishes are used in the laboratory to culture microorganisms such as bacteria, mold, or fungi for further study and experimentation.

54. Which laboratory apparatus is used for measuring precise amounts of chemicals?

Thermometer
Stirring rod
Burette
Beaker
Explanation:

A burette is used for accurately measuring precise amounts of liquid chemicals in laboratory experiments.

55. What is the purpose of a watch glass in the laboratory?

To heat substances
To cover beakers or watch reactions
To culture microorganisms
To measure mass
Explanation:

A watch glass is used to cover beakers or watch chemical reactions without spillage in the laboratory.

56. Which of the following laboratory apparatus is used for measuring mass?

Balance
Thermometer
Beaker
Graduated cylinder
Explanation:

A balance is used for accurately measuring the mass of substances in grams or kilograms in the laboratory.

57. What is the function of a stopwatch in the laboratory?

To measure volume
To heat substances
To time experiments
To measure mass
Explanation:

A stopwatch is used to accurately time experiments or reactions in the laboratory for precise data recording.

58. Which laboratory apparatus is used for measuring small amounts of liquids?

Test tube rack
Dropper
Beaker
Graduated cylinder
Explanation:

A dropper is used to transfer small amounts of liquids with precision in the laboratory.

59. What is the purpose of a test tube in the laboratory?

To culture microorganisms
To heat substances
To mix or store small amounts of substances
To hold test tubes
Explanation:

A test tube is used to mix or store small amounts of substances during experiments in the laboratory.

60. Which of the following is used to protect the eyes during experiments in the laboratory?

Bunsen burner
Funnel
Thermometer
Safety goggles
Explanation:

Safety goggles are worn in the laboratory to protect the eyes from chemical splashes, fumes, or flying debris during experiments.

61. What is the function of a filter paper in the laboratory?

To hold test tubes
To heat substances
To culture microorganisms
To filter substances from liquids
Explanation:

Filter paper is used in the laboratory to separate solid particles from liquids through the process of filtration.

62. Which laboratory apparatus is used for accurately measuring time in experiments?

Balance
Test tube rack
Thermometer
Stopwatch
Explanation:

A stopwatch is used to accurately time experiments or reactions in the laboratory for precise data recording.

63. What is the purpose of a pipette in the laboratory?

To measure mass
To transfer small amounts of liquids
To heat substances
To observe small objects
Explanation:

A pipette is used to transfer small and precise amounts of liquids in the laboratory, commonly used in biology and chemistry experiments.

64. Which of the following laboratory apparatus is used for holding and mixing liquids during experiments?

Burette
Dropper
Beaker
Stirring rod
Explanation:

A beaker is a basic laboratory container used for holding, mixing, and heating liquids during experiments.

65. What is the function of a Petri dish in the laboratory?

To culture microorganisms
To heat substances
To observe small objects
To measure mass
Explanation:

Petri dishes are used in the laboratory to culture microorganisms such as bacteria, mold, or fungi for further study and experimentation.

66. Which laboratory apparatus is used for measuring mass accurately in the laboratory?

Thermometer
Graduated cylinder
Balance
Beaker
Explanation:

A balance is used for accurately measuring the mass of substances in grams or kilograms in the laboratory.

67. What is the purpose of a conical flask in the laboratory?

To measure volume
To mix or store substances
To observe small objects
To heat substances
Explanation:

A conical flask, also known as an Erlenmeyer flask, is used to mix, store, or heat substances during experiments in the laboratory.

68. Which of the following is used to measure the volume of liquids in the laboratory?

Thermometer
Beaker
Graduated cylinder
Filter funnel
Explanation:

A graduated cylinder is used for accurately measuring the volume of liquids in milliliters during experiments in the laboratory.

69. What is the function of a watch glass in the laboratory?

To cover beakers or watch reactions
To heat substances
To culture microorganisms
To measure mass
Explanation:

A watch glass is used to cover beakers or watch chemical reactions without spillage in the laboratory for observation.

70. Which laboratory apparatus is used for heating substances to high temperatures?

Bunsen burner
Stirring rod
Test tube rack
Balance
Explanation:

A Bunsen burner is a common laboratory tool used for heating substances to high temperatures during experiments.

🔐 Login Required

Login to attempt quizzes and track your performance

Login