Question 1

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

Accepted Answer

Novel properties that arise at each level of organization and are absent from the preceding level.

Question 2

A scientist is studying the function of a hummingbird's wing. Which principle is she applying when she analyzes the wing's structure to understand its function?

Accepted Answer

Correlation between structure and function

Question 3

Which of the following statements about cells is TRUE?

Accepted Answer

A cell is the smallest unit of life that can perform all activities required for life.

Question 4

Which domain includes organisms that often live in extreme environments, such as salty lakes and boiling hot springs?

Accepted Answer

Archaea

Question 5

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

Accepted Answer

Having a DNA-containing nucleus

Question 6

A compound is defined as:

Accepted Answer

A substance consisting of two or more different elements combined in a fixed ratio.

Question 7

Which of the following elements makes up the largest percentage of living matter?

Accepted Answer

Oxygen (O)

Question 8

Given an atom with an atomic number of 8 and a mass number of 16, how many neutrons does it have?

$$	ext{Number of neutrons} = 	ext{Mass number} - 	ext{Atomic number}$$

Accepted Answer

8

Question 9

Radioactive isotopes are useful in biological research because:

Accepted Answer

They can be used to trace metabolic pathways and date fossils.

Question 10

Which of the following is an example of reductionism in biology?

Accepted Answer

Breaking down a cell into its organelles to study their individual functions.

Question 11

Which statement about essential elements is correct?

Accepted Answer

Essential elements are needed by an organism to live a healthy life and reproduce.

Question 12

If a carbon atom has 6 protons, 7 neutrons, and 6 electrons, what is its mass number?

$$	ext{Mass number} = 	ext{Number of protons} + 	ext{Number of neutrons}$$

Accepted Answer

13

Question 13

Which of the following kingdoms consists of multicellular organisms that ingest other organisms?

Accepted Answer

Animalia

Question 14

Which property of water is most important for life on Earth?

Accepted Answer

Its liquid state at a wide range of temperatures.

Question 15

Which statement about isotopes is TRUE?

Accepted Answer

Isotopes of an element have the same number of protons but different numbers of neutrons.

Question 16

Which of the following is a trace element required in minute quantities for life?

Accepted Answer

Iron

Question 17

Which of the following best explains why a compound can have properties different from its constituent elements?

Accepted Answer

Compounds exhibit emergent properties due to the fixed ratio and chemical bonding of elements.

Question 18

A patient is injected with a radioactive isotope for a diagnostic test. What property of the isotope makes this possible?

Accepted Answer

It emits particles and energy as it decays, which can be detected.

Question 19

Which of the following statements about eukaryotic cells is correct?

Accepted Answer

Eukaryotic cells have a DNA-containing nucleus.

Question 20

Which of the following is NOT a function of trace elements in the human body?

Accepted Answer

Making up approximately 96% of living matter.

Foundations of Biology: Structure, Diversity, and Chemical Basis of Life

Study Guide - Practice Questions

Study Guide - Flashcards