$\text{DNA} \rightarrow \text{RNA} \rightarrow \text{Protein}$

Question 1

Which of the following best describes the relationship between structure and function in biological organization?

Accepted Answer

Structure determines function at all levels of biological organization, from molecules to biosphere.

Question 2

According to the biological hierarchy, which of the following is the correct order from smallest to largest?

Accepted Answer

Organelle, Cell, Tissue, Organ

Question 3

Which principle of biology is illustrated by the process of DNA being transcribed to RNA and then translated to protein?

Accepted Answer

Information

Question 4

A scientist observes that frog embryos develop from a single cell to a multicellular organism. Which principle of biology does this best demonstrate?

Accepted Answer

The relationship between structure and function at different levels of organization.

Question 5

In a scientific paper, which section would most likely contain a graph showing experimental results?

Accepted Answer

Results

Question 6

Which of the following is the basic unit of life according to the principles of biological organization?

Accepted Answer

Cell

Question 7

A fertilized egg contains DNA from both parents. Which biological principle does this illustrate?

Accepted Answer

Information

Question 8

Which of the following best describes the scientific method?

Accepted Answer

A flexible process involving observation, hypothesis formation, experimentation, and analysis.

Question 9

If a graph shows a direct relationship between enzyme concentration and reaction rate, which principle of biology does this support?

Accepted Answer

Structure is related to function.

Question 10

Which equation would you use to calculate the slope of a line in a graph showing experimental data?

Accepted Answer

$m = \frac{\Delta y}{\Delta x}$

Question 11

A student is analyzing a graph of frog embryo development over time. What is the independent variable in this experiment?

Accepted Answer

Time

Question 12

Which of the following statements about eukaryotic and prokaryotic cells is correct?

Accepted Answer

Prokaryotic cells do not contain membrane-bound organelles.

Question 13

Which of the following best describes a scientific theory?

Accepted Answer

A broad explanation supported by a large body of evidence that generates new hypotheses.

Question 14

Which process is responsible for the transmission of genetic information from parent to offspring?

Accepted Answer

Fertilization

Question 15

A researcher wants to test the effect of light intensity on plant growth. Which is the dependent variable?

Accepted Answer

Plant growth

Question 16

Which of the following is NOT a level in the biological hierarchy?

Accepted Answer

Atom

Question 17

Which of the following best explains why the cell is considered the basic unit of life?

Accepted Answer

All living things are made of cells, which carry out essential life processes.

Question 18

Which of the following is a correct representation of the central dogma of molecular biology?

Accepted Answer

$	ext{DNA} ightarrow 	ext{RNA} ightarrow 	ext{Protein}$

Question 19

A graph shows the number of organisms in a population over time. Which type of graph is most appropriate for this data?

Accepted Answer

Line graph

Question 20

Which of the following is a key feature of a well-designed scientific experiment?

Accepted Answer

It includes a control group to compare results.

Major Principles and Methods in Biology: Organization, Scientific Method, and Information Flow

Study Guide - Practice Questions