Made using killed/inactivated pathogen. Rabies and Hep A vaccines. A) Recombinan

Question

Made using killed/inactivated pathogen. Rabies and Hep A vaccines. A) Recombinant vaccine B) Attenuated vaccine C) Inactivated vaccine In today's world, infectious diseases are much less common and less lethal due to: A) Clean drinking water B) Public and personal hygiene C) Antibiotics and Vaccines D) All of the above Antibody based tests (like ELISA) are useful for serotyping microbes and for diagnosis of microbial infection A) True B) False What is the largest phylum of Bacteria? A) Firmicutes B) Actinobacteria C) Cyanobacteria D) Spirochaetes E) Proteobacteria Lack a nucleus. A) Bacterial cells B) Eukaryotic cells C) Both This bacteria can cause impetigo and necrotizing (flesh eating disease). A) Staphylococcus pyogenes B) Staphylococcus epidermidis C) Propionibacterium In this type of symbiotic relationship both members benefits A) Parasitism B) Mutualism C) Commensalism For aerobic respiration, is required. A) Laughing Gas B) Nitrogen C) Carbon D) Hydrogen E) Oxygen

Explanation / Answer

93. The Answer is C - inactivated vaccines. The vaccines which are created by inactivating a pathogen are called as inactivated vaccines. These are prepared typically using chemicals (formaldehyde or formalin) or heat. Though it destroys the replicating property of the organism, our immune system can still recognize it due to its intact structure.

94. . The answer is D all of the above.

Due to many safety measures like hygiene and vaccinations, new medical techniques and inventions, the effect of many infectious diseases are not that harmful like before.

95. The Answer is A - True.

Elisa test (enzyme-linked immunosorbent assay) is used to determine the presence of antibodies due to any infectious agent in the blood. Antibodies are chemicals which are produced by the host body in response to the presence of antigen, due to a pathogen. So it can help in identification of many microbial diseases and serotyping microbes.

96. The answer is E- Proteobacteria

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