The first step in the scientific method is
collect data.
draw conclusions.
state a hypothesis.
make an observation.
design an experiment.
The Correct Answer is D
A. Collect data: Collecting data occurs after observations are made and experiments are conducted. It is essential for analysis but is not the initial step in the scientific method.
B. Draw conclusions: Drawing conclusions comes at the end of the scientific method, after analyzing data and determining whether the hypothesis is supported. It is a final step rather than the first.
C. State a hypothesis: Stating a hypothesis follows making observations. A hypothesis is an educated prediction based on prior knowledge or observed patterns, but it cannot be formulated before initial observations.
D. Make an observation: Making an observation is the first step of the scientific method. It involves noticing and describing phenomena, which forms the basis for asking questions and developing a hypothesis.
E. Design an experiment: Designing an experiment is a later step used to test the hypothesis. Experiments are planned based on observations and hypotheses, not as the starting point.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Bacteria: Most bacteria reproduce by binary fission, where the cell divides evenly into two identical daughter cells. Budding is not a typical method of bacterial reproduction.
B. Algae: Algae generally reproduce through binary fission, fragmentation, or sexual reproduction, but budding is not their main reproductive mechanism.
C. Yeast: Yeast, a type of fungus, often reproduce by budding, where a small outgrowth develops on the parent cell, enlarges, and eventually separates as a new individual cell.
D. Protozoa: Protozoa usually reproduce by binary fission or multiple fission, with some species reproducing sexually, but they do not reproduce by budding.
Correct Answer is A
Explanation
A. The organisms formed endospores: Some bacteria can form endospores, which are highly resistant structures that allow survival in extreme conditions for long periods. This explains how they remained dormant in amber yet grew once favorable conditions were restored.
B. Amber is a great source of nutrients: Amber is fossilized tree resin and does not contain nutrients sufficient to sustain microbial life. It primarily serves as a protective medium, not a nutritional one.
C. The organisms were prions: Prions are infectious proteins that do not have the cellular machinery to grow on nutrient media. They cannot be revived in the same way bacteria can.
D. Some organisms have a generation time that lasts thousands of years: Generation times vary among species but never extend to thousands of years. Instead, organisms survive long periods through dormancy mechanisms like endospore formation.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.