Download BIOD 171 Essential Microbiology w/ Lab; L2 - Lab Exam 2 | Complete Questions and Answers. and more Exams Nutrition in PDF only on Docsity!
L2: Lab Exam 2- Requires Respondus LockDown Browser
Due No due date Points 30 Questions 7 Time Limit 60 Minutes Requires Respondus LockDown Browser
Instructions : : : b *Note: Lab Notebooks are allowed to be used during the Lab Exam. They must be handwritten or printed off to be utilized due to Lockdown Browser not allowing tabs and files to be open during an exam. | ‘ Attempt History » Attempt Time Score LATEST Attempt 1 33 minutes 30 out of 30
Score for this quiz: 30 out of 30
Submitted Apr 23 at 6:21pm This attempt took 33 minutes. Question 1 10/^10 p Answer the following questions
- Identify the part of the microscope indicated by the arrow. &
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Answer the following questions
- Identify the part of the microscope indicated by the arrow. .
- Identify the part of the microscope indicated 'by the arrow. .'"‘"\—,... \ ‘
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Question 2 « 4/ 4 pts How should you hold the microscope when you move it or catry it? Your Answer: s You hold it by the Neck (or Hand), with your other hand at the base of it. You should hold it with one hand on the neck and one hand under the base. Question 3 | ' ; : 3/3pts What 2 parts of the microscope contributes to the total magnification to your sample? Your Answer: The Objective and the EyePiece P— Objective and oculars (eyepiece) \ ;. & Scanned with
Question 4 :^ 3/3pts As you looking through the microscope you notice your sample is slightly off-center—what component of the microscope would be used to bring the sample into the center of the image? Your Answer: s The Coaxial Stage Controls (Stage Guide) : Top and Lower Knobs )^ —_— l Stage adjustment knobs ‘ 5 \
Question^5 '^ ,^ |^ '^3 3/3pts What objective power is best suited if you are uncertain what the sample is and where to begin? Your Answer: Start with a low light mid power, open the diaphram completely and control from there. -You can start with Low Objective Power.(eg 4x or 10x) and adjust from there. 4x (or lowest power objeéfive) P 7 ¥ T, Scanned with
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< C^ @^ Help^ Center^ @ s < Previous N A 3500 um or 3.5 mm in diameter (or S00x’s larger) - - Question^7 T^ e^ _^ 3/3pts Based on the microscope shown in the lab lecture, which objectives would require placing oil on the slide in order to clearly visualize the sample? ‘ :. Your Answer: 100x objective (with oil stated on it) 100x . | B Quiz Score: 30 out of 30 B e e —— Scanned with
