Question 1

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

Accepted Answer

A multicellular organism exhibits behaviors and functions that cannot be predicted by studying its individual cells alone.

Question 2

Which of the following levels of biological organization is immediately above 'organelles' in the hierarchy?

Accepted Answer

Cells

Question 3

A scientist is studying the retractor muscles in a marine organism. Which major theme in biology does this research most directly relate to?

Accepted Answer

Structure and function are correlated

Question 4

Which statement about elements and compounds is correct?

Accepted Answer

Compounds have properties different from those of their constituent elements.

Question 5

Which four elements make up approximately 96% of living matter?

Accepted Answer

Oxygen, Carbon, Hydrogen, Nitrogen

Question 6

A patient is diagnosed with hypothyroidism due to a deficiency in a trace element. Which element is most likely deficient?

Accepted Answer

Iodine (I)

Question 7

Which subatomic particle determines the identity of an element?

Accepted Answer

Proton

Question 8

How many electrons can occupy the second electron shell of an atom?

Accepted Answer

$$8$$

Question 9

Which of the following best describes an isotope?

Accepted Answer

Atoms of the same element with different numbers of neutrons

Question 10

A nitrogen atom has an atomic number of 7 and a mass number of 15. How many neutrons does it have?

Accepted Answer

$$8$$

Question 11

Which of the following is true about electrons in atoms?

Accepted Answer

Electrons can move between shells by absorbing or releasing energy.

Question 12

Which of the following is an example of a negative feedback loop in biological systems?

Accepted Answer

Insulin secretion in response to high blood glucose

Question 13

Which statement best explains why chemistry is important in biology?

Accepted Answer

Cells are composed of elements and compounds that interact through chemical reactions.

Question 14

Which of the following best describes the relationship between structure and function in biological systems?

Accepted Answer

Function can often be deduced from structure and vice versa.

Question 15

Which of the following is NOT a major theme in biology?

Accepted Answer

Randomness of biological systems

Question 16

A researcher is designing a drug to fit into a specific binding pocket of a protein. Which biological theme does this scenario best illustrate?

Accepted Answer

Structure and function are correlated

Question 17

Which of the following best describes the flow of energy in an ecosystem?

Accepted Answer

Energy flows through the ecosystem and is eventually lost as heat.

Question 18

Which of the following is true about the atomic number and mass number of an element?

Accepted Answer

Atomic number is the number of protons; mass number is the sum of protons and neutrons.

Question 19

Which of the following statements about valence electrons is correct?

Accepted Answer

Valence electrons are found in the outermost shell and are important for bonding.

Question 20

Which of the following is an example of a trace element required by humans?

Accepted Answer

Iodine (I)

Major Themes in Biology & The Chemical Context of Life (Ch. 1 & 2.1–2.2) – Study Notes

Study Guide - Practice Questions