Biology Questions & Answers

Element 2 performance criteria 2.2 4. Identify six potential health and safety hazards in the horticultural industry, and provide one method for eliminate, minimise isolating, each potential hazard.

\begin{tabular}{l} Bat way are biobridges different from bridges used for traffic and commerce? \\ Biobridges go over man-made structures rather than under them. \\ Biobridges are made from earth, grass, and trees. \\ Biobridges use tall fences to direct migrating animals. \\ \hline\end{tabular}

9. Which of the following protozoa is not transmitted via ingestion of contaminated food or water? a) Naegleria fowleri b) Balantidium coli c) Entamoeba histolytica d) Acanthamoeba 10. Acanthamoeba infections are often associated with: a) Tropical regions b) Contact lens wearers c) High-altitude areas d) Sub-Saharan Africa 11. What is the common name for the infection caused by Naegleria fowleri, characterized by the destruction of brain tissue? a) Amoebic dysentery b) Brain-eating amoeba c) Malaria d) Giardiasis 12. Balantidium coli primarily infects which part of the digestive system? a) Stomach b) Large intestine c) Small intestine d) Liver 13. Which of the following protozoan parasites is transmitted through the fecal-oral route? a) Naegleria fowleri b) Balantidium coli

1. Which of the following protozoan parasites is known to cause a fatal brain infection in humans? a) Naegleria fowleri b) Balantidium coli c) Entamoeba histolytica d) Acanthamoeba 2. Which protozoan parasite is responsible for the condition known as "Primary Amebic Meningoencephalitis" (PAM)? a) Naegleria fowleri b) Balantidium coli c) Entamoeba histolytica d) Acanthamoeba 3. Balantidium coli primarily infects which organ in the human body? a) Brain b) Intestines c) Lungs d) Liver 4. Which of the following is a common route of transmission for Entamoeba histolytica? a) Inhalation of contaminated water droplets b) Ingestion of contaminated food or water c) Direct contact with infected animals d) Mosquito bites 5. Acanthamoeba is known to cause a condition primarily affecting which part of the body? a) Fyes

17. Which of the following protozoan parasites is associated with a sexually transmitted infection (STI)? a) Naegleria fowleri b) Balantidium coli c) Entamoeba histolytica d) Acanthamoeba 18. Acanthamoeba keratitis is often linked to the improper use and maintenance of: a) Dental equipment b) Contact lenses c) Swimming pools d) Air conditioning systems 19. Entamoeba histolytica is most commonly acquired through the consumption of: a) Undercooked meat b) Contaminated vegetables c) Unpasteurized milk d) Raw seafood 20. Which of the following protozoan parasites is typically found in water sources but is not considered a human pathogen? a) Naegleria fowleri b) Balantidium coli c) Entamoeba histolytica d) Acanthamoeba 21. What is the primary mode of transmission for Naegleria fowleri infection in humans? a) Ingestion of contaminated food b) Direct contact with infected animals c) Inhalation of contaminated water droplets

17. Which of the following protozoan parasites is associated with a sexually transmitted infection (STI)? a) Naegleria fowleri b) Balantidium coli c) Entamoeba histolytica d) Acanthamoeba 18. Acanthamoeba keratitis is often linked to the improper use and maintenance of: a) Dental equipment b) Contact lenses c) Swimming pools d) Air conditioning systems 19. Entamoeba histolytica is most commonly acquired through the consumption of: a) Undercooked meat b) Contaminated vegetables c) Unpasteurized milk d) Raw seafood 20. Which of the following protozoan parasites is typically found in water sources but is not considered a human pathogen? a) Naegleria fowleri b) Balantidium coli c) Entamoeba histolytica d) Acanthamoeba 21. What is the primary mode of transmission for Naegleria fowleri infection in humans? a) Ingestion of contaminated food b) Direct contact with infected animals c) Inhalation of contaminated water droplets

25. Acanthamoeba can cause infections in immunocompromised individuals, such as those with HIV/AIDS. These infections often manifest as: a) Cutaneous lesions b) Respiratory infections c) Ocular infections d) Gastrointestinal problems 26. Which of the following conditions is NOT associated with Entamoeba histolytica infection? a) Amebic dysentery b) Liver abscess c) Cutaneous infections d) Intestinal ulcers 27. In which environments is Acanthamoeba commonly found? a) High-temperature environments b) Low-salinity environments c) Low-temperature environments d) High-salinity environments 28. What is the primary diagnostic method for identifying Naegleria fowleri in cerebrospinal fluid? a) Stool examination b) PCR (Polymerase Chain Reaction) c) Chest X-ray d) Blood culture 29. Which of the following is a symptom commonly associated with Balantidium coli infection? a) Severe headache b) Bloody diarrhea l) Visual disturbances

The researchers initlally hypothesized that MamK might be involved in magnetosome formation because (select all that apply): it consists of a large number of iron-containing amino acids its amino acid sequence is similar to the amino acid sequence of the eukaryal actin protein its amino acid sequence is similar to the amino acid sequence of the bacterial MreB protein magnetosome-associated filaments are approximately the same dimensions as actin filaments

All of the following are taxonomic groups used to classify bacteria EXCEPT: Class. Kingdom. Genus. Family. Phylum.

Вирус, который попал в организм, к концу 30 минуты делится на 2 , каждый из которых к концу следующего интервала делится опять на 2 ит. д. Сколько вирусных частиц будет в организме через 3 часа, если после указанног промежутка времени в организм попадёт ещё 12 вирусных частиц?