Question 1

Which of the following is NOT considered a fundamental characteristic of living organisms?

Accepted Answer

Existence as a multicellular organism

Question 2

A scientist observes that a nutrient broth exposed to air develops microbial growth, while a sealed broth does not. Which hypothesis does this experiment support?

Accepted Answer

All-cells-from-cells hypothesis

Question 3

Which step in the scientific method directly follows the formulation of a hypothesis?

Accepted Answer

Experimentation

Question 4

Why is correlation not sufficient to establish causation in scientific studies?

Accepted Answer

Because correlation can be influenced by confounding variables

Question 5

Which of the following best describes a scientific theory?

Accepted Answer

A rigorously tested and widely supported explanation for a set of phenomena

Question 6

In the Sahara ant experiment, what was the main variable manipulated to test the pedometer hypothesis?

Accepted Answer

The length of the ants' legs

Question 7

Which outcome would you expect for ants with artificially lengthened legs (stilts) in the pedometer experiment?

Accepted Answer

They would walk past the nest

Question 8

A student claims that eating organic food causes autism because both have increased over the years. What scientific principle is being misunderstood?

Accepted Answer

The difference between correlation and causation

Question 9

Which of the following is a key feature of peer-reviewed scientific literature?

Accepted Answer

It is reviewed by experts in the field before publication

Question 10

Which equation best represents the relationship between independent and dependent variables in a simple linear correlation study?

Accepted Answer

$$y = mx + b$$

Question 11

Which of the following is an example of a null hypothesis in a study on class attendance and grades?

Accepted Answer

Class attendance has no effect on final grades

Question 12

Which scientific theory explains how cells make additional copies of themselves?

Accepted Answer

Chromosome theory of inheritance

Question 13

What is the primary reason for using control groups in scientific experiments?

Accepted Answer

To provide a baseline for comparison

Question 14

Which of the following is a real-world example of a misleading correlation?

Accepted Answer

Number of people who drowned in swimming pools and power generated by nuclear plants

Question 15

Which process is described as 'based on observations, formulation of hypotheses, experimentation, data gathering and analysis, and continuous refinement'?

Accepted Answer

The scientific method

Question 16

Which of the following is NOT a step in the scientific method?

Accepted Answer

Ignoring data that contradicts your hypothesis

Question 17

Which of the following best describes the role of scientific literature in biology?

Accepted Answer

It summarizes scientific consensus and provides a foundation for further research

Question 18

If a population of organisms undergoes continual evolution, which characteristic of life does this demonstrate?

Accepted Answer

Evolution

Question 19

Which of the following is a key difference between a hypothesis and a theory in science?

Accepted Answer

A hypothesis is a testable statement, while a theory is a well-supported explanation

Question 20

Which of the following equations would you use to calculate the average stride length of an ant if you know the total distance traveled ($$d) $$and the number of steps taken ($$n$$)?

Accepted Answer

$$\frac{d}{n}$$

The Process of Science in Biology: Characteristics of Life and Scientific Inquiry

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