Class notes microbiology Acellular life practice materials

Acellular Life MCQs ( Viral Disease ): 1. Which of the following viruses is responsible for causing the common cold? a) Influenza virus b) Rhinovirus c) Herpes simplex virus d) Dengue virus Answer: b) Rhinovirus Explanation: The common cold is primarily caused by the rhinovirus, which is a type of virus that infects the upper respiratory system. 2. Which of the following viral diseases is transmitted through the Aedes mosquito? a) Measles b) Mumps c) Zika fever d) Polio Answer: c) Zika fever Explanation: Zika fever is transmitted primarily through the Aedes mosquito, which is the same mosquito responsible for transmitting dengue and chikungunya viruses. 3. Hepatitis B is caused by which of the following viruses? a) Hepatitis A virus b) Hepatit is B virus c) Hepatitis C virus d) Hepatitis E virus Answer: b) Hepatitis B virus Explanation: Hepatitis B is caused by the hepatitis B virus (HBV), which is transmitted through exposure to infected blood or bodily fluids. 4. Which of the following virus es is responsible for causing cervical cancer? a) Human papillomavirus (HPV) b) Varicella -zoster virus c) Rotavirus d) Human immunodeficiency virus (HIV) Answer: a) Human papillomavirus (HPV) Explanation: Certain types of human papillomavirus (HPV) are known to cause cervical cancer, among other types of cancer. 5. Which virus is associated with the development of AIDS? a) Influenza virus b) Human immunodeficiency virus (HIV) c) Epstein -Barr virus d) Varicella -zoster virus Answer: b) Human immunodeficiency virus (HIV) Explanation: HIV is the virus that causes acquired immunodeficiency syndrome (AIDS) by attacking the immune system. 6. Which virus is responsible for causing the disease known as chickenpox? a) Influenza virus b) Varicella -zoster virus c) Respiratory syncytial virus d) Coronavirus Answer: b) Varicella -zoster virus Explanation: Chickenpox is caused by the varicella -zoster virus, which is highly contagious and primarily affects children. 7. The primary mode of t ransmission for the Ebola virus is through: a) Mosquito bites b) Direct contact with infected animals c) Inhalation of respiratory droplets d) Contaminated food or water Answer: b) Direct contact with infected animals Explanation: The Ebola virus is pr imarily transmitted to humans through direct contact with infected animals, such as fruit bats and nonhuman primates. 8. Which of the following viruses is responsible for causing the disease known as dengue fever? a) Influenza virus