7. When viewing a sample of onion cells using a microscope, a drop of iodine solution is placed on the onion cells. Is it important to put a staining element like iodine solution in viewing cells? *
1 point
A. No, because it smells bad.
B. No, because it contains starch
C. Yes, because it protects the cells.
D. Yes, because it helps to see the cells clearly.
8. To obtain total magnification, you should ______ the magnification of the eyepiece to the objective lens power. *
1 point
A. add
B. divide
C. multiply
D. subtract
9. If the eyepiece magnification on light microscope is 10x and the objective is 40x, what is the overall magnification? *
1 point
A. 4x
B. 10x
C. 40x
D. 400x
10. Which of the following is NOT a proper method for handling microscopes? *
1 point
A. Carry the microscope with one hand.
B. Always use fine adjustment when using high power.
C. Remove the slide before putting the microscope away.
D. Never clean the objectives with anything but lens paper.
11. Which is the correct sequence of the level of biological organization in an organism? *
1 point
A. cell- tissue –organ- organ system- organism
B. cell- organ system–organ- tissue - organism
C. cell- organ - tissue -organ system- organism
D. cell- organ- organ system- organism-tissue
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Answer:
7.A
8.C
9.B
10.A
11.D
Explanation:
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