3. Choose the incorrect statement. A) Trophozoite forms of protozoa are the forms which parasites feed and reproduce. B) An ectoparasite is a parasite that lives on the external surface of another living organism C) Definitive host is the organism in which the adult or sexually mature stage of the parasite lives D) Zoonosis is a disease in which an animal is normally the host,but which also infects man E) Cyst of intestinal protozoa are not infectious 4. canal, and an anus Remarkable examples to these helminths include Trichinella.Ascaris, and are round worms which appear round in cross section with a body cavity, a straight alimentary Enterobius species. A) Platyhelminthes B) Cestodes C) Trematodes D) Tapeworms E) Nematodes 5. is the name of the Protozoa group which move by pseudopods. A) Amoeba B) Flagellates C) Ciliates D) Sporozoa E) None of the above 6. Which of the following is an important and common specimen taken for the microscopic detection of diarrheal parasites in humans? A) Stool B) Sputum C) Blood D) Urine E) None 7. Which of the following parasite is transmitted to humans through exposure to cat faeces? A) Trichomonas vaginalis B) Toxoplasma gondii C) Entamoeba histolytica D)Plasmodium falciparum E) None 8. Which of the following is true about cell wall of gram-positive bacteria? A)It consists of multiple layers. B) It is thicker than that associated with gram-negative bacteria. C) It contains teichoic acids. D) It contains periplasmic space. E) All of the above are true.

Question

3. Choose the incorrect statement. A) Trophozoite forms of protozoa are the forms which parasites feed and reproduce. B) An ectoparasite is a parasite that lives on the external surface of another living organism C) Definitive host is the organism in which the adult or sexually mature stage of the parasite lives D) Zoonosis is a disease in which an animal is normally the host,but which also infects man E) Cyst of intestinal protozoa are not infectious 4. canal, and an anus Remarkable examples to these helminths include Trichinella.Ascaris, and are round worms which appear round in cross section with a body cavity, a straight alimentary Enterobius species. A) Platyhelminthes B) Cestodes C) Trematodes D) Tapeworms E) Nematodes 5. is the name of the Protozoa group which move by pseudopods. A) Amoeba B) Flagellates C) Ciliates D) Sporozoa E) None of the above 6. Which of the following is an important and common specimen taken for the microscopic detection of diarrheal parasites in humans? A) Stool B) Sputum C) Blood D) Urine E) None 7. Which of the following parasite is transmitted to humans through exposure to cat faeces? A) Trichomonas vaginalis B) Toxoplasma gondii C) Entamoeba histolytica D)Plasmodium falciparum E) None 8. Which of the following is true about cell wall of gram-positive bacteria? A)It consists of multiple layers. B) It is thicker than that associated with gram-negative bacteria. C) It contains teichoic acids. D) It contains periplasmic space. E) All of the above are true.

Answer 1

3. E4. E5. A6. A7. B8. E

Answer 2

## Step 1The first question is about identifying the incorrect statement among the given options. The incorrect statement is "Cyst of intestinal protozoa are not infectious". This is incorrect because cysts of intestinal protozoa are indeed infectious. They are the dormant form of the protozoa and are responsible for transmitting the infection to new hosts.## Step 2The second question is about identifying the type of helminths that appear round in cross section with a body cavity, a straight alimentary canal, and an anus. The correct answer is "E) Nematodes". Nematodes are a type of helminth that fits this description.## Step 3The third question is about identifying the group of Protozoa that move by pseudopods. The correct answer is "A) Amoeba". Amoeba is a type of protozoa that moves by extending and retracting pseudopods.## Step 4The fourth question is about identifying the specimen that is commonly taken for the microscopic detection of diarrheal parasites in humans. The correct answer is "A) Stool". Stool is the specimen that is commonly taken for the microscopic detection of diarrheal parasites in humans.## Step 5The fifth question is about identifying the parasite that is transmitted to humans through exposure to cat faeces. The correct answer is "B) Toxoplasma gondii". Toxoplasma gondii is a parasite that can be transmitted to humans through exposure to cat faeces.## Step 6The sixth question is about identifying the true statement about the cell wall of gram-positive bacteria. The correct answer is "E) All of the above are true". This is because all the given statements are true about the cell wall of gram-positive bacteria.

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