Question 1

Which of the following best describes the characteristic of 'energy processing' in living organisms?

Accepted Answer

The conversion of energy from one form to another to sustain life processes.

Question 2

In biological classification, which taxonomic rank is the most inclusive?

Accepted Answer

Domain

Question 3

Homo sapiens is the scientific name for humans. Which part of this name represents the genus?

Accepted Answer

Homo

Question 4

Which of the following is a correct sequence of biological organization from smallest to largest?

Accepted Answer

Molecule $\rightarrow$ Organelle $\rightarrow$ Cell $\rightarrow$ Tissue

Question 5

A scientist wants to test the effect of sunlight on plant growth. Which is the independent variable in this experiment?

Accepted Answer

Amount of sunlight

Question 6

Which statement best distinguishes a hypothesis from a theory?

Accepted Answer

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

Question 7

Which of the following is an example of an emergent property at the tissue level of organization?

Accepted Answer

Muscle contraction resulting from the coordinated action of muscle cells.

Question 8

Which domain includes organisms with cells that have a nucleus?

Accepted Answer

Eukarya

Question 9

In an observational study of animal behavior, which variable is most likely to be dependent?

Accepted Answer

Time spent performing a specific behavior

Question 10

Which of the following best illustrates evolutionary adaptation?

Accepted Answer

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

Question 11

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

Accepted Answer

Ecosystem

Question 12

Which of the following is NOT a characteristic of life?

Accepted Answer

Inability to adapt to changes

Question 13

A student observes that plants in a shaded area grow taller than those in direct sunlight. What is the best next step in the scientific method?

Accepted Answer

Formulate a hypothesis explaining the observation.

Question 14

Which of the following correctly matches the level of organization with an example?

Accepted Answer

Cell: Neuron

Question 15

If a biologist is studying the interactions between different species in a forest, which level of organization are they focusing on?

Accepted Answer

Community

Question 16

Which of the following is a correct application of the concept of homeostasis?

Accepted Answer

A lizard basking in the sun to raise its body temperature.

Question 17

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

Accepted Answer

Domain $\rightarrow$ Kingdom $\rightarrow$ Phylum $\rightarrow$ Class $\rightarrow$ Order $\rightarrow$ Family $\rightarrow$ Genus $\rightarrow$ Species

Question 18

Which of the following is an example of a controlled variable in an experiment testing the effect of fertilizer on plant growth?

Accepted Answer

Type of plant used

Question 19

Which of the following best describes the biosphere?

Accepted Answer

All ecosystems on Earth, including land, water, and atmosphere.

Question 20

A researcher wants to determine if a new drug affects heart rate in mice. Which is the dependent variable?

Accepted Answer

Heart rate of the mice

General Biology: Study Guide on Life, Classification, and Scientific Method

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