Question 1

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

Accepted Answer

molecules, organism, population, communities, biosphere

Question 2

A group of gray squirrels inhabiting an oak forest is best described as a:

Accepted Answer

population

Question 3

Which of the following is NOT an example of the relationship between form and function?

Accepted Answer

none of the above

Question 4

You discover a new multicellular microscopic organism that swims in ponds using cilia. What does the presence of cilia suggest about its evolutionary relationships?

Accepted Answer

The presence of cilia shows that it shares a common ancestor with Paramecium and humans.

Question 5

In an experimental study testing a new drug for high blood pressure, the change in systolic and diastolic blood pressure values of participants represents the:

Accepted Answer

dependent variable

Question 6

Based on the periodic table, which pair of elements will most likely form an ionic bond?

Accepted Answer

Li and F

Question 7

Which pair of elements will most likely form a nonpolar covalent bond?

Accepted Answer

H and H

Question 8

Titanium has an atomic number of 22. How many protons, neutrons, and electrons are in an isotope of titanium with a mass number of 48?

Accepted Answer

p=22, n=26, e=22

Question 9

Of the four most commonly found elements in the human body, which has the most valence electrons?

Accepted Answer

O

Question 10

Which of the following can be considered both an isotope and a molecule, but H$$_2$$ can only be considered a molecule?

Accepted Answer

O$$_2$$

Question 11

What are the four emergent properties of water that are important for life?

Accepted Answer

cohesion, moderation of temperature, expansion upon freezing, solvent properties

Question 12

Surfactants reduce the surface tension of a liquid. Which of the following would result if water was treated with surfactants?

Accepted Answer

All of the above would occur.

Question 13

What is the concentration of OH$$^-$$ ions in a solution where pH = 10?

Accepted Answer

$$1 	imes 10$$^{-4}$$ M

Question 14

Compared to an acidic solution at pH 5, a basic solution at pH 8 has:

Accepted Answer

1/1,000 times as many hydrogen ions.

Question 15

In a glass of old-fashioned lemonade, which is the solvent?

Accepted Answer

water

Question 16

Which statement about carbon is NOT true?

Accepted Answer

Multiple carbon-to-carbon bonds are stronger than single bonds.

Question 17

What type of chemical bond joins a functional group to the carbon skeleton of a large molecule?

Accepted Answer

covalent bond

Question 18

Which functional group behaves as a weak acid in organic molecules?

Accepted Answer

carboxyl

Question 19

Which type of molecule always contains phosphate groups?

Accepted Answer

nucleic acids

Question 20

What type of isomer is propanal compared to acetone?

Accepted Answer

structural isomer

General Biology I: Midterm I Review Study Notes

Guida di studio - Domande di pratica

Study guide - Flashcard