Question 1

Eukaryotic flagella differ from prokaryotic flagella because only eukaryotic flagella

Accepted Answer

A) are used for cell motility. 
B) facilitate chemotaxis. 
C) facilitate phototaxis. 
D) are long,whip-like structures. 
E) contain microtubules.

Question 2

Rough endoplasmic reticulum is studded with ribosomes.

Accepted Answer

A) True 
 B)False

Question 3

All fungi can form hyphae.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following is not a function of the glycocalyx exhibited by eukaryotes?

Accepted Answer

A) protection 
B) adherence 
C) movement 
D) reception of chemical signals

Question 5

The passageways in the nuclear envelope for movement of substances to and from the nucleus and cytoplasm are called nuclear

Accepted Answer

A) histones. 
B) chromatin. 
C) pores. 
D) endoplasmic reticulum. 
E) inclusions.

Question 6

The endosymbiotic theory has been developed to explain the emergence of

Accepted Answer

A) archaea. 
B) bacteria. 
C) prokaryotes. 
D) eukaryotes. 
E) viruses.

Question 7

A protozoan having a flagellum would be classified in the genus:

Accepted Answer

A) Entamoeba. 
B) Toxoplasma. 
C) Trypanosoma. 
D) Plasmodium. 
E) Enterobius.

Question 8

Chitin is a chemical component of the cell walls of

Accepted Answer

A) protozoa. 
B) algae. 
C) fungi. 
D) bacteria. 
E) helminths.

Question 9

When a eukaryotic cell is not undergoing mitosis,the DNA and its associated proteins appear as a visible,thread-like mass called the

Accepted Answer

A) nuclear envelope. 
B) nucleosome. 
C) nucleolus. 
D) nucleoplasm. 
E) chromatin.

Question 10

The cytoskeleton

Accepted Answer

A) anchors organelles. 
B) provides support. 
C) functions in movements of the cytoplasm. 
D) helps maintain cell shape. 
E) All of the choices are correct.

Question 11

Larvae and eggs are developmental forms of

Accepted Answer

A) protozoa. 
B) algae. 
C) helminths. 
D) fungi. 
E) yeasts.

Question 12

Which organelle contains cristae where enzymes and electron carriers for aerobic respiration are found?

Accepted Answer

A) mitochondrion 
B) lysosome 
C) Golgi apparatus 
D) chloroplast 
E) endoplasmic reticulum

Question 13

In humans,fungi can only infect the skin.

Accepted Answer

A) True 
 B)False

Question 14

The motile,feeding stage of protozoa is called the

Accepted Answer

A) trophozoite. 
B) cyst. 
C) sporozoite. 
D) oocyst. 
E) food vacuole.

Question 15

There are no algae that can cause human disease.

Accepted Answer

A) True 
 B)False

Question 16

What do the protozoans Naegleria,Toxoplasma,and Trypanosoma have in common?

Accepted Answer

A) They are all motile. 
B) They are all associated with brain infections. 
C) They are all transmitted by feces. 
D) They are all multicellular parasites.

Question 17

Adulthood and mating of helminths occur in which host?

Accepted Answer

A) primary host 
B) secondary host 
C) definitive host 
D) transport host 
E) Mating takes place in all hosts.

Question 18

What two categories of fungi cause human diseases?

Accepted Answer

A) primary and secondary 
B) primary and vegetative 
C) opportunistic and primary 
D) secondary and opportunistic 
E) vegetative and reproductive

Question 19

The fungi do not prefer to reproduce sexually compared to their frequent asexual reproductive mode.What would be the reason behind this infrequency of sexual reproduction?

Accepted Answer

A) Sexual reproduction requires two genetically different strains of the fungus to come together. 
B) Sexual reproduction is more energy-intensive than asexual reproduction. 
C) In asexual reproduction,one parent divides. 
D) All statements are true.

Question 20

Pfiesteria is a

Accepted Answer

A) toxic fungus. 
B) toxic algae. 
C) toxic helminth. 
D) toxic protozoan. 
E) bacterial endospore.

Exam 5: Eukaryotic Cells and Microorganisms

Eukaryotic flagella differ from prokaryotic flagella because only eukaryotic flagella

Rough endoplasmic reticulum is studded with ribosomes.

All fungi can form hyphae.

Which of the following is not a function of the glycocalyx exhibited by eukaryotes?

The passageways in the nuclear envelope for movement of substances to and from the nucleus and cytoplasm are called nuclear

The endosymbiotic theory has been developed to explain the emergence of

A protozoan having a flagellum would be classified in the genus:

Chitin is a chemical component of the cell walls of

When a eukaryotic cell is not undergoing mitosis,the DNA and its associated proteins appear as a visible,thread-like mass called the

The cytoskeleton

Larvae and eggs are developmental forms of

Which organelle contains cristae where enzymes and electron carriers for aerobic respiration are found?

In humans,fungi can only infect the skin.

The motile,feeding stage of protozoa is called the

There are no algae that can cause human disease.

What do the protozoans Naegleria,Toxoplasma,and Trypanosoma have in common?

Adulthood and mating of helminths occur in which host?

What two categories of fungi cause human diseases?

The fungi do not prefer to reproduce sexually compared to their frequent asexual reproductive mode.What would be the reason behind this infrequency of sexual reproduction?

Pfiesteria is a