Unit I Exam Review

Question 1

A substance that gets dissolved is called what?

Accepted Answer

Solute

Question 2

"If more sugar is added, then the bread will rise higher". What is the independent variable?

Accepted Answer

Sugar

Question 3

What should you do if a chemical gets in your eye?

Accepted Answer

Flush in water for 15 min & notify the teacher

Question 4

What is a control?

Accepted Answer

Standard of comparison - "no treatment"

Question 5

Which step of the Scientific Method can be solved through experimentation?

Accepted Answer

Problem

Question 6

True or False: PASS stands for pull pin, aim hose, squeeze handle, and sweep back and forth

Accepted Answer

True

Question 7

The reactants in an enzyme-catalyzed reaction are called what?

Accepted Answer

Substrates

Question 8

An attraction between molecules of the same substance is known as what?

Accepted Answer

Cohesion

Question 9

Which macromolecule is used to store and transmit hereditary information?

Accepted Answer

Nucleic acid

Question 10

True or False: Carbon atoms are not able to bond with themselves

Accepted Answer

False

Question 11

When is it okay to smell compounds in the lab?

Accepted Answer

Never - unless instructed by the teacher

Question 12

Starches are made up of which molecule?

Accepted Answer

Glucose

Question 13

Which macromolecule is an organisms main source of energy?

Accepted Answer

Carbohydrate

Question 14

Which of the following helps speed up chemical reactions?

Accepted Answer

Catalysts

Question 15

True or False: The teacher is responsible for lab safety.

Accepted Answer

False

Question 16

Proteins are polymers made up of what?

Accepted Answer

Amino acids

Question 17

Which macromolecule controls the rate of reactions and regulates cell processes?

Accepted Answer

Proteins

Question 18

Carbon has ____________ valence elections enabling it to bond with many other elements.

Accepted Answer

4

Question 19

True or False: Organisms can only reproduce sexually

Accepted Answer

False

Question 20

Most macromolecules are formed through which process?

Accepted Answer

Polymerization

Question 21

True or False: Monosaccharides are also known as single sugars

Accepted Answer

True

Question 22

Which of the following is NOT a characteristic of life?

Accepted Answer

Oxygen consumption

Question 23

What of the following is described as maintaining a stable internal environment?

Accepted Answer

Homeostasis

Question 24

Plants use which kind of polysaccharide for storing excess sugar?

Accepted Answer

Starch

Question 25

"If soil temperatures rise, then plant growth will increase" is an example of what?

Accepted Answer

Hypothesis

Question 26

An uneven distribution of electrons is defined as what?

Accepted Answer

Polar

Question 27

True or False: Adhesion is an attraction between molecules of different substances.

Accepted Answer

True

Question 28

Which macromolecule can be used to store energy and is a part of biological membranes?

Accepted Answer

Lipids

Question 29

Water's ability to travel up a tree, against gravity, is known as?

Accepted Answer

Capillary action

Question 30

Which of the following is NOT part of a nucleotide?

Accepted Answer

Ribose

Unit I Exam Review

Questions 30

Unit I Exam Review

Questions 30