Question 1

Which of the following is NOT a characteristic of living things as described in the study materials?

Accepted Answer

Living things do not require energy and raw materials.

Question 2

A scientist wants to test whether a new fertilizer increases the mass of tomato fruits. Which of the following best describes the independent variable in this experiment?

Accepted Answer

The type of fertilizer used.

Question 3

Which domain includes organisms that have a membrane-bound nucleus?

Accepted Answer

Domain Eukarya

Question 4

Which of the following is a defining feature of humans compared to other primates?

Accepted Answer

Bipedalism

Question 5

A well-designed experiment to test a new drug should include which of the following elements?

Accepted Answer

Random assignment of subjects to experimental and control groups

Question 6

Which of the following best describes a hypothesis in the scientific method?

Accepted Answer

A tentative statement about the natural world that can lead to testable deductions

Question 7

If a scientist observes that 'every winter in the past was colder than the preceding summer' and concludes that 'winter will always be colder than summer,' which type of reasoning is being used?

Accepted Answer

Inductive reasoning

Question 8

Which of the following is TRUE about scientific theories?

Accepted Answer

They explain a broad range of facts and are supported over time.

Question 9

Which of the following is considered the most reliable source of scientific information?

Accepted Answer

Peer-reviewed journals

Question 10

A student claims that a YouTube lecture by a Cornell University geneticist is not a legitimate scientific source because it is not peer-reviewed. According to the study materials, is this claim correct?

Accepted Answer

No, because a scientific lecture from a legitimate university does not lose validity due to the platform.

Question 11

Which of the following is an example of a testable prediction in the scientific method?

Accepted Answer

If Drug X is an effective treatment for high blood pressure in humans, then 10 mg/day of Drug X will lower blood pressure in people with high blood pressure within one month.

Question 12

Which of the following is NOT a fundamental criterion used for biological classification?

Accepted Answer

Color of the organism

Question 13

Which kingdom within Domain Eukarya consists of multicellular, eukaryotic, photosynthetic organisms?

Accepted Answer

Kingdom Plantae

Question 14

Which of the following is the correct classification for humans?

Accepted Answer

Domain: Eukarya, Kingdom: Animalia, Genus: Homo, Species: sapiens

Question 15

Which of the following is an example of a dependent variable in a controlled experiment testing the effect of a drug?

Accepted Answer

The blood pressure measured after treatment

Question 16

Which of the following statements about hypotheses is FALSE?

Accepted Answer

A hypothesis can be proven true.

Question 17

Which of the following is a real-world example of a societal issue related to human biology at the molecular level?

Accepted Answer

Disposing of radioactive wastes

Question 18

Which of the following is a reason why nuclear power was rejected by many environmental activists, according to the study materials?

Accepted Answer

Fear

Question 19

Which of the following is NOT a level of biological organization at which human biology can be studied?

Accepted Answer

Planet

Question 20

Which of the following best describes the process of the scientific method?

Accepted Answer

Observe and generalize, formulate a hypothesis, make a testable prediction, experiment or observe, modify the hypothesis as necessary and repeat

Introduction to Human Biology: Concepts, Classification, and Scientific Method

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