Question 1

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

Accepted Answer

They do not respond to their environment.

Question 2

Which step of the scientific method involves making an educated guess based on observations?

Accepted Answer

Hypothesis

Question 3

Which of the following elements is NOT one of the four main elements found in living organisms (CHON)?

Accepted Answer

Calcium

Question 4

Water is essential for life because it is a polar molecule. What property does this give water?

Accepted Answer

It sticks to itself and other things (cohesion and adhesion).

Question 5

Which macromolecule is primarily responsible for storing genetic information?

Accepted Answer

Nucleic acids

Question 6

Which of the following structures is found in eukaryotic cells but NOT in prokaryotic cells?

Accepted Answer

Nucleus

Question 7

Which organelle is responsible for producing ATP through cellular respiration?

Accepted Answer

Mitochondria

Question 8

Which process moves materials from a region of low concentration to high concentration and requires energy?

Accepted Answer

Active transport

Question 9

What is the correct balanced equation for cellular respiration?

Accepted Answer

$$\mathrm{C_6H_{12}O_6$ + O_2$ \rightarrow CO_2$ + H_2O + ATP}$$

Question 10

Which of the following is a product of photosynthesis?

Accepted Answer

Glucose

Question 11

If a plant cell is placed in a solution with a lower concentration of solutes than the cell, what process will occur?

Accepted Answer

Osmosis, water will enter the cell

Question 12

Which of the following best describes the function of ribosomes?

Accepted Answer

Make proteins

Question 13

Which process results in four unique cells, each with half the number of chromosomes as the original cell?

Accepted Answer

Meiosis

Question 14

Which of the following is evidence for evolution?

Accepted Answer

All of the above

Question 15

Which level of biological organization comes directly after 'population'?

Accepted Answer

Community

Question 16

Which domain includes organisms with a nucleus and organelles?

Accepted Answer

Eukarya

Question 17

In an ecosystem, which group is responsible for breaking down dead matter and recycling nutrients?

Accepted Answer

Decomposers

Question 18

Which of the following best describes natural selection?

Accepted Answer

Best-adapted organisms survive and reproduce

Question 19

Which of the following is a function of proteins in cells?

Accepted Answer

Carry out most cell functions, including acting as enzymes

Question 20

Which of the following best explains why water is important for regulating temperature in living organisms?

Accepted Answer

Water has a high specific heat, so it resists temperature changes.

Comprehensive Introduction to Biology: Key Concepts and Processes

Study Guide - Practice Questions