Question 1

Which of the following best describes the concept of emergent properties in biological systems?

Accepted Answer

Emergent properties are features that result from the arrangement and interaction of parts within a system, and are not present in the individual components alone.

Question 2

Homeostasis is crucial for living organisms because it allows them to:

Accepted Answer

Maintain a constant internal environment despite changes in the external environment.

Question 3

Which of the following is NOT a characteristic shared by all living organisms?

Accepted Answer

Ability to photosynthesize

Question 4

A scientist observes that plants grow faster in sunlight than in shade. She hypothesizes that light intensity affects plant growth. What is the next step in the scientific method?

Accepted Answer

Conduct experiments to test the hypothesis

Question 5

Which of the following correctly matches the subatomic particle with its location in the atom?

Accepted Answer

Neutrons are found in the nucleus

Question 6

The atomic number of an element is defined as:

Accepted Answer

The number of protons in the atom

Question 7

Which of the following equations correctly represents the relationship between atomic number ($$Z$$), number of protons ($$p$$), and number of neutrons ($$n) in an $$atom?

Accepted Answer

$$Z = p$$

Question 8

If an atom has 8 protons, 8 neutrons, and 8 electrons, what is its atomic number and atomic mass?

Accepted Answer

Atomic number: 8, Atomic mass: 16

Question 9

Which of the following statements about electron shells is TRUE?

Accepted Answer

Electrons in higher-energy shells are farther from the nucleus.

Question 10

An atom with a nearly full outer electron shell is most likely to:

Accepted Answer

Gain electrons and become an anion

Question 11

Which of the following best explains why sodium chloride ($$\mathrm{NaCl}) $$forms a crystal lattice in solid form?

Accepted Answer

Ionic bonds between oppositely charged ions

Question 12

Which of the following molecules is most likely to form polar covalent bonds?

Accepted Answer

$$\mathrm{H_2O} ($$water)

Question 13

Water molecules exhibit cohesion and surface tension primarily due to:

Accepted Answer

Hydrogen bonds between water molecules

Question 14

Which of the following is a correct example of binomial nomenclature?

Accepted Answer

Homo sapiens

Question 15

A mixture is different from a compound because:

Accepted Answer

A mixture is composed of two or more elements or compounds in a variable ratio.

Question 16

Which of the following is TRUE about weak bonds in biological systems?

Accepted Answer

Weak bonds can help stabilize the three-dimensional shape of large molecules.

Question 17

Which of the following best describes the process of natural selection?

Accepted Answer

Natural selection is the survival and reproduction of the fittest, allowing genes to be passed to future generations.

Question 18

Which of the following is a correct statement about domains in biological classification?

Accepted Answer

Domains are based on shared evolutionary relationships discerned from analysis of organismal DNA.

Question 19

If a scientist wants to explain a natural event based on many observations and experiments, she is most likely proposing a:

Accepted Answer

Scientific theory

Question 20

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

Accepted Answer

Atom $$\rightarrow$$ molecule $$\rightarrow$$ cell $$\rightarrow$$ ecosystem

General Biology: Introduction to Life, Chemistry of Life, and Water

Guida di studio - Domande di pratica

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