Question 1

Which of the following is NOT one of the five fundamental characteristics of life as described in biology?

Accepted Answer

Organisms must be able to reproduce by binary fission.

Question 2

A scientist observes that two species of finches on different islands have similar body shapes but different beak sizes, which correlate with the available food sources. Which theory does this observation best support?

Accepted Answer

Theory of Evolution by Natural Selection

Question 3

Which statement best describes a scientific theory in biology?

Accepted Answer

A theory is a well-supported explanation for a broad range of phenomena, based on extensive evidence.

Question 4

According to the Cell Theory, which of the following statements is correct?

Accepted Answer

All organisms are composed of cells, and all cells come from pre-existing cells.

Question 5

Which process is described by the Central Dogma of Molecular Biology?

Accepted Answer

The flow of genetic information from DNA to RNA to protein.

Question 6

Which of the following best illustrates the application of the scientific method?

Accepted Answer

Making a prediction, designing an experiment, collecting data, and revising the hypothesis based on results.

Question 7

Which of the following is a key requirement for natural selection to occur in a population?

Accepted Answer

Traits must be heritable and affect fitness.

Question 8

In the Chromosome Theory of Inheritance, what is the role of chromosomes during cell division?

Accepted Answer

Chromosomes carry genes and are distributed to daughter cells, ensuring inheritance of genetic information.

Question 9

Which equation correctly represents the process of transcription in the Central Dogma?

Accepted Answer

$$DNA \rightarrow RNA$$

Question 10

A population of bacteria is exposed to an antibiotic. Over several generations, some bacteria survive and reproduce, passing on resistance genes. Which concept does this scenario best illustrate?

Accepted Answer

Natural Selection

Question 11

Which of the following is a real-world example of metabolism in living organisms?

Accepted Answer

A plant converting sunlight into glucose during photosynthesis.

Question 12

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

Accepted Answer

Eukaryotic cells contain a nucleus and membrane-bound organelles.

Question 13

Which of the following best describes the relationship between genes and proteins?

Accepted Answer

Genes (DNA) contain instructions for making proteins.

Question 14

Which of the following is the correct order of taxonomic categories from most inclusive to least inclusive?

Accepted Answer

Domain, Genus, Species

Question 15

Which of the following is a prediction that could be tested using the scientific method?

Accepted Answer

If fertilizer is added to soil, then plant growth will increase.

Question 16

Which of the following best explains why the Cell Theory is important for understanding the diversity of life?

Accepted Answer

It shows that all organisms are made of cells, which can evolve and diversify over time.

Question 17

Which of the following is the correct scientific name for humans, using binomial nomenclature?

Accepted Answer

Homo sapiens

Question 18

Which of the following is NOT a feature of a good experiment?

Accepted Answer

It ignores data that contradicts the hypothesis.

Question 19

Which of the following best describes the process of translation in the Central Dogma?

Accepted Answer

The conversion of RNA sequence into an amino acid sequence (protein).

Question 20

Which domain includes organisms that are prokaryotic and often specialize in extreme environments?

Accepted Answer

Archaea

Foundations of Biology: Life, Theories, and Diversity

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