Question Detail

BOT 102 Botanical drawings Objective Question

Question

After beginning with the lowest power objective lens and using the coarse focus knob, what is the next appropriate step to increase magnification and refine the image?
Options
A Remove the slide and re-prepare it for higher magnification.
B Rotate the nosepiece to select a higher power objective lens and use the fine focus knob.
Correct Answer
C Adjust the light intensity to its maximum level.
D Use only the coarse focus knob with the higher power lens.
Correct Answer

Option B is the correct answer.

Detailed Explanation

Step 5 in 'How to Use a Light Microscope' reads: 'Increase magnification: Rotate the nosepiece to select a higher power objective lens and use the fine focus knob to sharpen the image.'

Hint

Recall the process of increasing magnification and focusing with different knobs.

Question Info