Question 1

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

Accepted Answer

Ability to move independently

Question 2

According to the cell theory, which statement is correct?

Accepted Answer

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

Question 3

Which scientist is credited with first observing cells under a microscope?

Accepted Answer

Robert Hooke

Question 4

The chromosome theory of inheritance states that:

Accepted Answer

Genes are located on chromosomes, which are passed from parents to offspring.

Question 5

Which of the following best describes the central dogma of molecular biology?

Accepted Answer

$$ DNA \rightarrow RNA \rightarrow Protein $$

Question 6

Which of the following is a correct example of a scientific (Latin) name for a species?

Accepted Answer

Homo sapiens

Question 7

A researcher discovers a new organism that is unicellular, lacks a nucleus, and has a cell wall. To which domain does this organism most likely belong?

Accepted Answer

Bacteria

Question 8

Which of the following statements about taxonomy is correct?

Accepted Answer

A taxon is a named group at any level of classification.

Question 9

Which of the following is NOT one of the three domains of life?

Accepted Answer

Protista

Question 10

A scientist is studying the evolutionary relationships among several species of birds. Which tool would be most appropriate for visualizing these relationships?

Accepted Answer

A phylogenetic tree

Question 11

Which of the following scenarios best illustrates the concept of evolution by natural selection?

Accepted Answer

A population of insects develops resistance to a pesticide over several generations.

Question 12

Which of the following best explains why the cell theory was a major advancement in biology?

Accepted Answer

It provided a unifying explanation for the structure and reproduction of all living things.

Question 13

If a biologist is classifying a newly discovered organism, which of the following steps would be most appropriate according to modern taxonomy?

Accepted Answer

Assigning the organism to a domain, then to a phylum, and so on down to species.

Question 14

Which of the following is a correct statement about DNA structure?

Accepted Answer

DNA is a double helix composed of four types of nucleotides: A, T, C, and G.

Question 15

Which of the following best describes the relationship between taxonomy and phylogeny?

Accepted Answer

Taxonomy names and classifies organisms, while phylogeny shows their evolutionary relationships.

Question 16

A student claims that a virus is alive because it contains genetic material. Which characteristic of life does this claim fail to consider?

Accepted Answer

Viruses are not made of cells.

Question 17

Which of the following is an example of applying the central dogma in a real-world context?

Accepted Answer

Using mRNA vaccines to instruct human cells to produce viral proteins.

Question 18

Which of the following best describes the role of Rudolph Virchow in the development of cell theory?

Accepted Answer

He proposed that all cells come from pre-existing cells.

Question 19

A biologist is studying a group of organisms that all share a common ancestor. What is the term for this group in taxonomy?

Accepted Answer

Taxon

Question 20

Which of the following best illustrates the use of scientific names in biology?

Accepted Answer

Using 'Elephas maximus' to refer specifically to the Asian elephant, regardless of language or region.

Biology: The Study of Life – Foundations and Diversity

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