Question 1

Which of the following is NOT one of the five fundamental characteristics shared by all living organisms?

Accepted Answer

Ability to photosynthesize

Question 2

Samadi Galpayage’s research on bumble bees suggested that play behavior may increase fitness. In biological terms, what does 'fitness' mean?

Accepted Answer

The ability to produce more surviving offspring than others in the population

Question 3

Which statement best describes a scientific hypothesis?

Accepted Answer

A testable statement that explains a set of observations

Question 4

Louis Pasteur’s experiment with swan-necked flasks provided evidence against which hypothesis?

Accepted Answer

Spontaneous generation

Question 5

Which of the following is a correct pairing of DNA bases according to Watson and Crick’s model?

Accepted Answer

$$A$$ pairs with $$T$$

Question 6

In the central dogma of molecular biology, what is the correct sequence of information flow?

Accepted Answer

$$DNA \rightarrow RNA \rightarrow Protein$$

Question 7

A mutation in DNA can lead to changes in which of the following?

Accepted Answer

The proteins produced by the cell

Question 8

Which of the following is NOT a requirement for natural selection to occur in a population?

Accepted Answer

All individuals must be genetically identical

Question 9

In an experiment, which variable is manipulated by the researcher?

Accepted Answer

Independent variable

Question 10

Which of the following best describes the role of a control group in an experiment?

Accepted Answer

It serves as a baseline to compare the effects of the independent variable

Question 11

Which of the following is an example of an adaptation?

Accepted Answer

A trait that increases fitness in a particular environment

Question 12

Which level of biological organization includes all living and nonliving components in a particular area?

Accepted Answer

Ecosystem

Question 13

Which domain includes organisms that have a nucleus?

Accepted Answer

Eukarya

Question 14

Which of the following is the correct format for a scientific name?

Accepted Answer

Homo sapiens

Question 15

A population of finches on the Galapagos Islands developed small, pointed beaks after a period of increased rainfall. What does this scenario best illustrate?

Accepted Answer

Natural selection

Question 16

Which of the following statements about the phylogenetic tree of life is TRUE?

Accepted Answer

Branches that share a recent common ancestor represent closely related species

Question 17

Which of the following best describes the chromosome theory of inheritance?

Accepted Answer

Genes are units located on chromosomes

Question 18

Which of the following is a plausible outcome if the pedometer hypothesis for ant navigation is incorrect?

Accepted Answer

Ants would return to the nest regardless of stride length and step number

Question 19

Which of the following is a key reason for repeating tests and using large sample sizes in experiments?

Accepted Answer

To reduce the impact of random variation and increase reliability

Question 20

Which of the following equations correctly represents the relationship between genotype, environment, and phenotype?

Accepted Answer

$$Phenotype = Genotype + Environment$$

Biology: The Study of Life – Chapter 1 Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards