Basic Microbiology
MCQ Test on Microbiology
You note that the body temperature of one of your patients is starting to increase. As a result, you can infer that all of the following may be occurring in this patient EXCEPT: a) increased metabolic rate b) constriction of blood vessels Advertisements c) shivering d) dilation of blood vessels Advertisements Answer: d) dilation of … Read more
MCQ on Heterotroph
Heterotrophs are a diverse group of organisms that obtain their energy and nutrients by consuming other living organisms. Unlike autotrophs, which can produce their own food through processes like photosynthesis, heterotrophs rely on external sources for their sustenance. They play a crucial role in ecosystems by participating in nutrient cycling and energy transfer through food … Read more
MCQ on Eye and Ear Microbiome
The human body is home to various microbiomes, including those in the eyes and ears. While the study of these microbiomes is still in its early stages, researchers have started to explore the composition and functions of the microbial communities present in these areas. Eye Microbiome: The surface of the eye, including the conjunctiva and … Read more
MCQ on Plant Tissue Culture
Plant tissue culture is a technique used to grow and maintain plant cells, tissues, or organs in a sterile, controlled environment. The cells or tissues are typically grown on a nutrient-rich medium containing the necessary vitamins, minerals, and hormones for growth. Plant tissue culture is a useful tool for studying plant growth and development, as … Read more
MCQ on Evolution
Evolution is the process of change in the characteristics of species over time. It is driven by the mechanisms of genetic variation, natural selection, genetic drift, and gene flow, and results in the gradual transformation of populations into new and distinct forms. Evolution occurs over long periods of time and is responsible for the vast … Read more
MCQ on Reproductive Health
Which of the following is NOT a method of contraception?A) CondomsB) Oral contraceptive pillsC) TubectomyD) AbstinenceAnswer: D Which of the following is a common sexually transmitted infection caused by a bacterium?A) HIVB) GonorrheaC) HerpesD) HPVAnswer: B Which of the following is a hormone produced by the ovaries that regulates the menstrual cycle?A) EstrogenB) ProgesteroneC) Follicle-stimulating … Read more
MCQ on Microbes in Human Welfare
Which of the following is an example of a beneficial use of microbes?A. Causing infectious diseasesB. Contaminating foodC. Producing antibioticsD. Causing tooth decayAnswer: C What is the primary role of bacteria in the nitrogen cycle?A. To fix atmospheric nitrogenB. To convert nitrite to nitrateC. To release nitrogen gas into the atmosphereD. To convert ammonia to … Read more
Organisms And Populations
The basic unit of classification is the:a. speciesb. populationc. kingdomd. domainAnswer: a. species The largest unit of classification is the:a. speciesb. populationc. kingdomd. domainAnswer: d. domain The term used to describe the number of individuals of a species in a particular area is:a. population densityb. ecological nichec. carrying capacityd. biotic potentialAnswer: a. population density Advertisements … Read more
MCQ on Living World
The science of classification and identification of organisms is known as:a. Ecologyb. Taxonomyc. Evolutiond. GeneticsAnswer: b. Taxonomy The term “biodiversity” refers to:a. The total number of individuals in a speciesb. The variety of ecosystems present on Earthc. The variety of species living on Earthd. The total biomass of living organisms on EarthAnswer: c. The variety … Read more