Question 1

Which of the following best describes the property of 'homeostasis' in living organisms?

Accepted Answer

The ability to maintain a stable internal environment despite changes in external conditions.

Question 2

A scientist observes that a plant closes its leaves when touched. Which property of life does this behavior best illustrate?

Accepted Answer

Sensitivity or response to the environment

Question 3

Which of the following is NOT a feature shared by all cells?

Accepted Answer

A cell wall

Question 4

Which of the following statements about prokaryotic cells is correct?

Accepted Answer

They lack membrane-bound organelles.

Question 5

Which of the following correctly lists the hierarchy of biological organization from smallest to largest?

Accepted Answer

Atom → Molecule → Organelle → Cell → Tissue → Organ → Organism → Population → Community → Ecosystem → Biosphere

Question 6

Which of the following is an example of energy processing in living organisms?

Accepted Answer

A plant converting sunlight into glucose during photosynthesis.

Question 7

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

Accepted Answer

Eukarya

Question 8

A researcher wants to test the effect of a new fertilizer on plant growth. Which of the following is the dependent variable in this experiment?

Accepted Answer

Plant growth

Question 9

Which of the following is a requirement for a scientific hypothesis?

Accepted Answer

It must be testable and falsifiable.

Question 10

Which of the following best describes the process of taxonomy?

Accepted Answer

The science of classifying organisms.

Question 11

Which of the following is an example of a macromolecule?

Accepted Answer

DNA

Question 12

Which of the following is a correct statement about biodiversity?

Accepted Answer

It refers to the variety of life and its processes.

Question 13

Which of the following is a characteristic of eukaryotic cells but not prokaryotic cells?

Accepted Answer

Presence of a true nucleus

Question 14

A student observes a cell with a cell wall, no nucleus, and a single circular chromosome. Which type of cell is this most likely to be?

Accepted Answer

Prokaryotic cell

Question 15

Which of the following best explains why viruses are not considered living organisms?

Accepted Answer

They lack cellular structure and cannot carry out metabolism on their own.

Question 16

Which of the following is an example of regulation in living organisms?

Accepted Answer

A human sweating to cool down during exercise.

Question 17

Which of the following is the correct scientific name for the common dog using binomial nomenclature?

Accepted Answer

Canis familiaris

Question 18

Which of the following best describes the role of ribosomes in a cell?

Accepted Answer

They synthesize proteins from amino acids.

Question 19

A scientist is designing an experiment to test a new drug. Which of the following is most important to avoid bias in the results?

Accepted Answer

Randomly assigning subjects to control and experimental groups.

Question 20

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

Accepted Answer

Phylogeny shows evolutionary relationships, while taxonomy classifies organisms based on those relationships.

Introduction to Biology: Properties, Organization, and Scientific Inquiry

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