Question 1

Which of the following characteristics is NOT considered a universal property of living organisms?

Accepted Answer

Ability to reproduce independently

Question 2

Viruses are often debated as being alive or not. Which trait most strongly opposes the classification of viruses as living organisms?

Accepted Answer

They cannot reproduce without a host cell

Question 3

Which of the following statements best distinguishes a hypothesis from a scientific theory?

Accepted Answer

A hypothesis is a testable prediction, while a theory is a comprehensive explanation supported by evidence

Question 4

Which of the following is a major limitation of science?

Accepted Answer

Science cannot test hypotheses about supernatural phenomena

Question 5

Which of the following elements makes up the largest percentage of body mass in living organisms (excluding water)?

Accepted Answer

Oxygen ($$O)$$

Question 6

A patient presents with an enlarged thyroid gland (goiter). Which trace element deficiency is most likely responsible?

Accepted Answer

Iodine ($$I)$$

Question 7

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

Accepted Answer

Prokaryotic cells do not have a nucleus

Question 8

Which domain of life includes organisms with membrane-bound nuclei?

Accepted Answer

Eukarya

Question 9

Which process best explains the unity of life among different species?

Accepted Answer

Shared ancestry

Question 10

Natural selection requires all of the following EXCEPT:

Accepted Answer

All individuals must survive to reproduce

Question 11

Which of the following scenarios best illustrates speciation?

Accepted Answer

A population of finches becomes geographically isolated and evolves into distinct species over generations

Question 12

Which of the following is an example of evolutionary adaptation?

Accepted Answer

A population of insects develops resistance to a pesticide over generations

Question 13

Which of the following best explains how evolution accounts for both the unity and diversity of life?

Accepted Answer

Species share traits due to common ancestry, but differences arise from modifications over time

Question 14

Which of the following is NOT a characteristic of living things?

Accepted Answer

Ability to reproduce only inside another organism

Question 15

Which of the following elements is considered a trace element required in minute amounts for life?

Accepted Answer

Iron ($$Fe)$$

Question 16

A scientist discovers a new organism that can metabolize energy, respond to stimuli, and reproduce independently. However, it lacks a membrane-bound nucleus. To which domain does this organism most likely belong?

Accepted Answer

Bacteria or Archaea

Question 17

Which of the following best describes the role of mutations in evolution?

Accepted Answer

Mutations create genetic variation, which can be acted upon by natural selection

Question 18

Which of the following is a real-world example of natural selection?

Accepted Answer

A population of moths becomes darker in color due to increased pollution, making them less visible to predators

Question 19

Which equation best represents the relationship between the number of offspring ($$O$$), survival rate ($$S$$), and reproductive success ($$R) in a $$population?

Accepted Answer

$$R = O 	imes S$$

Question 20

A population of finches on the Galapagos Islands undergoes speciation due to geographic isolation. Which process is most directly responsible for the formation of new species in this scenario?

Accepted Answer

Natural selection acting on heritable variation

Foundations of Life: Characteristics, Classification, and Evolution

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