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Help with micro questions

Can you please confirm my choices for the 8 questions listed below. I was unable to make any choice for one or two of the questions, any help will be appreciated.

1. All of the following characteristics apply to the prokaryotes except
a. The lack a nucleus.
b. The reproduce only by mitosis.
c. They are composed of single cells.
d. They include the bacteria.

My choice is "D".

2. Dark-field microscopy is valuable for observing
a. Stained organisms.
b. Organisms too small to be seen with the light microscope.
c. Live microorganisms.
d. Internal details of microorganisms.

My choice is "B".

3. Bergey's Manual of Systemic Bacteriology may be used to
a. Classify an unknown microorganism of any type.
b. Look up the ingredients of a bacterial growth medium.
c. Study the principles of nomenclature.
d. Learn the metabolic characteristics of bacteria.

My choice is "A"

4. Which of the following are characteristics of prokaryotes except
a. Prokaryotes have organelles.
b. Prokaryotes have ribosomes.
c. Prokaryotes lack a nucleus.
d. Prokaryotes have genes.

My choice is "A".

5. Which of the following did not attempt a classification of living organisms?
a. Robert H. Whittaker
b. Aristotle
c. Ernst Haeckel
d. All of the above tried to classify organisms.

My choice is "D".

6. Which one of the following groups is not resolved with the light microscope?
a. Bacteria
b. Fungi
c. Molds
d. Viruses

My choice is "D" but it is a guess.

7. Organisms that do not grow or show any independent nutritional patterns are the
a. Bacteria
b. Protozoa
c. Algae
d. Viruses

I do not have an answer

8. An ocular lens with a magnification of 10x and an objective lens of 40x has a total magnification of
a. 10x
b. 40x
c. 50x
d. 400x

I do not have an answer

9. In the light microscope, the real image serves as an object for the ocular lens, which magnifies it to form a virtual image
a. True
b. False

My choice is "B"

Solution Preview

can you please confirm my choices for the 8 questions listed below. I was unable to make any choice for one or two of the questions, any help will be appreciated.

1. All of the following characteristics apply to the prokaryotes except
a. The lack a nucleus.
b. The reproduce only by mitosis.
c. They are composed of single cells.
d. They include the bacteria.

My choice is "D". THE RIGHT ANSWER IS (B)

2. Dark-field microscopy is valuable for observing
a. Stained organisms.
b. Organisms too small to be seen with the ...

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