Quiz Questions (47 questions)
Question 1
Explain why total magnification is calculated by multiplying the eyepiece lens and objective lens, rather than adding them. (2 marks)
Question 2
Explain why total magnification is calculated by multiplying the eyepiece lens and objective lens, rather than adding them. (2 marks)
Question 3
Explain why total magnification is calculated by multiplying the eyepiece lens and objective lens, rather than adding them. (2 marks)
Question 4
Give two scientific reasons why a ×100 objective lens should not be used for initial focusing when observing cells under a light microscope. (2 marks)
Question 5
Give two scientific reasons why a ×100 objective lens should not be used for initial focusing when observing cells under a light microscope. (2 marks)
Question 6
Give two scientific reasons why a ×100 objective lens should not be used for initial focusing when observing cells under a light microscope. (2 marks)
Question 7
List three reasons why calculating total magnification correctly is important when studying cells under a microscope. (3 marks)
Question 8
List three reasons why calculating total magnification correctly is important when studying cells under a microscope. (3 marks)
Question 9
List three reasons why calculating total magnification correctly is important when studying cells under a microscope. (3 marks)
Question 10
Why is it important to know the total magnification when using a light microscope to observe cells? (2 marks)
Question 11
Why is it important to know the total magnification when using a light microscope to observe cells? (2 marks)
Question 12
Why is it important to know the total magnification when using a light microscope to observe cells? (2 marks)
Question 13
Differentiate clearly between the roles of the objective lens and the eyepiece lens in a compound light microscope. Why must both be considered in magnification? (3 marks)
Question 14
Differentiate clearly between the roles of the objective lens and the eyepiece lens in a compound light microscope. Why must both be considered in magnification? (3 marks)
Question 15
Differentiate clearly between the roles of the objective lens and the eyepiece lens in a light microscope. Why must both be considered in magnification? (3 marks)
Question 16
During a biology lesson, a learner observes an animal cell using a microscope with ×10 eyepiece and ×40 objective lens. He complains that he cannot clearly see the cell membrane. Explain what could be the reason for this and how the learner can adjust the microscope to improve visibility. (2 marks)
Question 17
During a biology lesson, a learner observes an animal cell using a microscope with ×10 eyepiece and ×40 objective lens. He complains that he cannot clearly see the cell membrane. Explain what could be the reason for this and how the learner can adjust the microscope to improve visibility. (2 marks)
Question 18
During a biology lesson, a learner observes an animal cell using a microscope with ×10 eyepiece and ×40 objective lens. He complains that he cannot clearly see the cell membrane. Explain what could be the reason for this and how the learner can adjust the microscope to improve visibility. (2 marks)
Question 19
Fill in the missing values in the table below by calculating either the objective lens, eyepiece lens, or total magnification. (5 marks)
Eye piece lens
Objective lens
Total Magnification
\( \times10 \)
\( \times 40 \)
?
?
?
\( \times 100 \)
\( \times 1000 \)
\( \times 15 \)
?
\( \times 600 \)
\( \times 20 \)
\( \times 10 \)
?
?
?
\( \times 250 \)
Question 20
Fill in the missing values in the table below by calculating either the objective lens, eyepiece lens, or total magnification. (5 marks)
Eye piece lens
Objective lens
Total Magnification
\( \times 10 \)
\( \times 40 \)
?
\( \times 100 \)
\( \times 1000 \)
\( \times 15 \)
?
\( \times 600 \)
\( \times20 \)
\( \times 10 \)
?
?
?
\( \times 250 \)
Question 21
Fill in the missing values in the table below by calculating either the objective lens, eyepiece lens, or total magnification. (5 marks)
Eye piece lens
Objective lens
Total Magnification
\( \times 10 \)
\( \times 40 \)
?
\( \times 100 \)
\( \times 1000 \)
\( \times 15 \)
?
\( \times 600 \)
\( \times20 \)
\( \times 10 \)
?
?
?
\( \times 250 \)
Question 22
Fill in the missing values in the table below by calculating either the objective lens, eyepiece lens, or total magnification. (5 marks)
Eye piece lens
Objective lens
Total Magnification
\( \times 600 \)
?
\( \times 250 \)
Question 23
Fill in the missing values in the table below by calculating either the objective lens, eyepiece lens, or total magnification. (5 marks)
Eye piece lens
Objective lens
Total Magnification
\( \times 600 \)
?
\( \times 250 \)
Question 24
Fill in the missing values in the table below by calculating either the objective lens, eyepiece lens, or total magnification. (5 marks)
Eye piece lens
Objective lens
Total Magnification
\( \times 10 \)
\( \times 40 \)
?
?
\( \times 100 \)
\( \times 1000 \)
\( \times 600 \)
?
\( \times 250 \)
Question 25
Fill in the missing values in the table below by calculating either the objective lens, eyepiece lens, or total magnification. (5 marks)
Eye piece lens
Objective lens
Total Magnification
\( \times 10 \)
\( \times 40 \)
?
?
\( \times 100 \)
\( \times 1000 \)
\( \times 15 \)
?
\( \times 600 \)
\( \times 20 \)
\( \times 10 \)
?
?
\( \times 10 \)
\( \times 250 \)
Question 26
Fill in the missing values in the table below by calculating either the objective lens, eyepiece lens, or total magnification. (5 marks)
Eye piece lens
Objective lens
Total Magnification
\( \times 10 \)
\( \times 40 \)
?
?
\( \times 100 \)
\( \times 1000 \)
\( \times 15 \)
?
\( \times 600 \)
\( \times 20 \)
\( \times 10 \)
?
?
\( \times 10 \)
\( \times 250 \)
Question 27
Fill in the missing values in the table below by calculating either the objective lens, eyepiece lens, or total magnification. (5 marks)
Eye piece lens
Objective lens
Total Magnification
\( \times 10 \)
\( \times 40 \)
?
?
\( \times 100 \)
\( \times 1000 \)
\( \times 15 \)
?
\( \times 600 \)
\( \times 20 \)
\( \times 10 \)
?
?
\( \times 10 \)
\( \times 250 \)
Question 28
Fill in the missing values in the table below by calculating either the objective lens, eyepiece lens, or total magnification. (5 marks)
Eye piece lens
Objective lens
Total Magnification
\( \times 10 \)
\( \times 40 \)
?
?
\( \times 100 \)
\( \times 1000 \)
\( \times 15 \)
?
\( \times 600 \)
\( \times 20 \)
\( \times 10 \)
?
?
\( \times 10 \)
\( \times 250 \)
Question 29
Fill in the missing values in the table below by calculating either the objective lens, eyepiece lens, or total magnification. (5 marks)
Eye piece lens
Objective lens
Total Magnification
\( \times 10 \)
\( \times 40 \)
?
?
\( \times 100 \)
\( \times 1000 \)
\( \times 15 \)
?
\( \times 600 \)
\( \times 20 \)
\( \times 10 \)
?
?
\( \times 10 \)
\( \times 250 \)
Question 30
Fill in the missing values in the table below by calculating either the objective lens, eyepiece lens, or total magnification. (5 marks)
Eye piece lens
Objective lens
Total Magnification
\( \times 10 \)
\( \times 40 \)
?
?
\( \times 100 \)
\( \times 1000 \)
\( \times 15 \)
?
\( \times 600 \)
\( \times 20 \)
\( \times 10 \)
?
?
\( \times 10 \)
\( \times 250 \)
Question 31
Fill in the missing values in the table below by calculating either the objective lens, eyepiece lens, or total magnification. (5 marks)
Eye piece lens
Objective lens
Total Magnification
\( \times 10 \)
\( \times 40 \)
?
?
\( \times 100 \)
\( \times 1000 \)
\( \times 15 \)
?
\( \times 600 \)
\( \times 20 \)
\( \times 10 \)
?
?
\( \times 10 \)
\( \times 250 \)
Question 32
Fill in the missing values in the table below by calculating either the objective lens, eyepiece lens, or total magnification. (5 marks)
Eye piece lens
Objective lens
Total Magnification
\( \times 10 \)
\( \times 40 \)
?
?
\( \times 100 \)
\( \times 1000 \)
\( \times 15 \)
?
\( \times 600 \)
\( \times 20 \)
\( \times 10 \)
?
?
\( \times 10 \)
\( \times 250 \)
Question 33
Fill in the missing values in the table below by calculating either the objective lens, eyepiece lens, or total magnification. (5 marks)
Eye piece lens
Objective lens
Total Magnification
\( \times 10 \)
\( \times 40 \)
?
?
\( \times 100 \)
\( \times 1000 \)
\( \times 15 \)
?
\( \times 600 \)
\( \times 20 \)
\( \times 10 \)
?
?
\( \times 10 \)
\( \times 250 \)
Question 34
Fill in the missing values in the table below by calculating either the objective lens, eyepiece lens, or total magnification. (5 marks)
Eye piece lens
Objective lens
Total Magnification
\( \times 10 \)
\( \times 40 \)
a
b
\( \times 100 \)
\( \times 1000 \)
\( \times 15 \)
c
\( \times 600 \)
\( \times 20 \)
\( \times 10 \)
d
e
\( \times 10 \)
\( \times 250 \)
Question 35
Fill in the missing values (a, b, c, d, e) in the table below by calculating either the objective lens, eyepiece lens, or total magnification. (5 marks)
Eye piece lens
Objective lens
Total Magnification
\( \times 10 \)
\( \times 40 \)
a
b
\( \times 100 \)
\( \times 1000 \)
\( \times 15 \)
c
\( \times 600 \)
\( \times 20 \)
\( \times 10 \)
d
e
\( \times 10 \)
\( \times 250 \)
Question 36
Fill in the missing values (a, b, c, d, e) in the table below by calculating either the objective lens, eyepiece lens, or total magnification. (5 marks)
Eye piece lens
Objective lens
Total Magnification
\( \times 10 \)
\( \times 40 \)
a
b
\( \times 100 \)
\( \times 1000 \)
\( \times 15 \)
c
\( \times 600 \)
\( \times 20 \)
\( \times 10 \)
d
e
\( \times 10 \)
\( \times 250 \)
Question 37
Nafula used a microscope with ×15 eyepiece lens and ×10 objective lens. Her friend, Kevin, used a ×10 eyepiece and a ×100 objective lens to view the same plant specimen. Explain who saw more details of the specimen and support your answer with calculations. (2 marks)
Question 38
Nafula used a microscope with ×15 eyepiece lens and ×10 objective lens. Her friend, Kevin, used a ×10 eyepiece and a ×100 objective lens to view the same plant specimen. Explain who saw more details of the specimen and support your answer with calculations. (2 marks)
Question 39
Nafula used a microscope with ×15 eyepiece lens and ×10 objective lens. Her friend, Kevin, used a ×10 eyepiece and a ×100 objective lens to view the same plant specimen. Explain who saw more details of the specimen and support your answer with calculations. (2 marks)
Question 40
During a science practical, three students used different microscope settings to observe similar cell samples.
Student A used a ×10 eyepiece and ×40 objective.
Student B used a ×15 eyepiece and ×10 objective.
Student C used a ×10 eyepiece and ×100 objective.
Their teacher asked: "Who observed the finest details and why?. Explain your answer using calculations and reasoning. (4 marks)
Question 41
During a science practical, three students used different microscope settings to observe similar cell samples.
Student A used a ×10 eyepiece and ×40 objective.
Student B used a ×15 eyepiece and ×10 objective.
Student C used a ×10 eyepiece and ×100 objective.
Their teacher asked: "Who observed the finest details and why?". Explain your answer using calculations and reasoning. (4 marks)
Question 42
During a science practical, three students used different microscope settings to observe similar cell samples.
Student A used a ×10 eyepiece and ×40 objective.
Student B used a ×15 eyepiece and ×10 objective.
Student C used a ×10 eyepiece and ×100 objective.
Their teacher asked: "Who observed the finest details and why?". Explain your answer using calculations and reasoning. (4 marks)
Question 43
During a science practical, three students used different microscope settings to observe similar cell samples.
Student A used a ×10 eyepiece and ×40 objective.
Student B used a ×15 eyepiece and ×10 objective.
Student C used a ×10 eyepiece and ×100 objective.
Their teacher asked: "Who observed the finest details and why?". Explain your answer using calculations and reasoning. (4 marks)
Question 44
During a science trip, students visited a lab where they observed blood cells under a microscope set at ×10 eyepiece and ×100 objective lens. Back in class, they tried using ×10 eyepiece and ×40 objective lens but could not see internal structures clearly. Using the knowledge of magnification, explain why they struggled and what magnification level was better for viewing blood cells. (2 marks)
Question 45
During a science trip, students visited a lab where they observed blood cells under a microscope set at ×10 eyepiece and ×100 objective lens. Back in class, they tried using ×10 eyepiece and ×40 objective lens but could not see internal structures clearly. Using the knowledge of magnification, explain why they struggled and what magnification level was better for viewing blood cells. (2 marks)
Question 46
During a science trip, students visited a lab where they observed blood cells under a microscope set at ×10 eyepiece and ×100 objective lens. Back in class, they tried using ×10 eyepiece and ×40 objective lens but could not see internal structures clearly. Using the knowledge of magnification, explain why they struggled and what magnification level was better for viewing blood cells. (2 marks)
Question 47
During a science trip, students visited a lab where they observed blood cells under a microscope set at ×10 eyepiece and ×100 objective lens. Back in class, they tried using ×10 eyepiece and ×40 objective lens but could not see internal structures clearly. Using the knowledge of magnification, explain why they struggled and what magnification level was better for viewing blood cells. (2 marks)
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