Biology Lab Practice Questions With Answers (Set 01)

1. One centimeter equals how many millimeter?
2. 1 nm equals _____ mm
3. How many millimeters are in a meter?
4. The prefix milli means______
5. 2 g = ______ mg
6. 2 mg = _______ g
7. Water freezes at _____ ◦C
8. Water freezes at _____ ◦F
9. Water boils at _____ ◦C
10. Water boils at _____ ◦F
11. On page 8, Figure 2.10 of the lab report, 1. points to _______
12. On page 8, Figure 2.10 of the lab report, 2. points to _______
13. What are the essential steps of the scientific method?
14. What is a hypothesis?
15. Is it sufficient to do a single experiment to test a hypothesis? Why?
16. What do you call a sample that goes through all steps of an experiment but does not contain the factor that is being tested?
17. Why is it important to test one substance at a time when doing an experiment?
18. The data show that vaccines protect people from disease (hypothesis, conclusion or theory).
19. All living things are made of cells (hypothesis, conclusion or theory).
20. Make the following conversion 1 mm = _______ cm
21. Make the following conversion 5 g = _______ mg
22. In the designation “compound light” microscope, “compound” means ______
23. In the designation “compound light” microscope, “light” means ______
24. What function is performed by the diaphragm of a microscope?
25. What is it helpful for a microscope to be parafocal?
26. Why is locating an object more difficult if you start with the high-power objective than with the low power objective?
27. A virus is 50 nm in size. What would you use to observe it (a stereomicroscope, a light microscope, an electron microscope)?
28. A virus is 50 nm. How many microns is the virus?
29. If the diameter of field is 1.6 mm and you count 40 consecutive cells from one end of the field to the other, how wide is each cell in microns?
30. Why type of microscope (other than the light microscope) would you use to observe organisms in pond water?

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