Exam 1-5

Question 1

An “educated guess” about the solution to a problem is a

Answer 1

Hypothesis

Question 2

The difference between a control group and an experimental group is the

Answer 2

Independent variable

Question 3

In scientific work, one of the primary goals is to find information that is

Answer 3

Workable

Question 4

The supposed process by which nonliving things can be changed directly into living things is

Answer 4

Spontaneous generation

Question 5

Which of the following is NOT necessary for something to be considered alive?

Answer 5

Reproduction

Question 6

The bending of light as it passes through an object is called

Answer 6

Refraction

Question 7

To reduce the possibility of error, a scientific experiment should NOT have

Answer 7

More than one variable

Question 8

If a scientific discovery contradicts Scripture, a Bible-believing Christian must view that discovery as

Answer 8

A fallacy

Question 9

Biology is the study of

Answer 9

Life

Question 10

If the results of a scientific experiment are accurate and reliable, they are said to be

Answer 10

Valid

Question 11

The ability of a microscope to deliver a clear, detailed image depends on its

Answer 11

Resolution

Question 12

To determine the number of students in your school who own a microscope, you would

Answer 12

Conduct a survey

Question 13

When people put the data from scientific research together to explain a phenomenon, they are

Answer 13

Forming a hypothesis

Question 14

Chemical reactions that absorb heat are called

Answer 14

Endothermic

Question 15

Activation energy is

Answer 15

The energy needed to start a reaction

Question 16

The subatomic particles found in the nucleus of an atom are

Answer 16

Protons and neutrons

Question 17

Which of the following is NOT a characteristic of enzymes

Answer 17

Enzymes serve as inorganic catalyst

Question 18

An atom having a negative or a positive charge is called

Answer 18

An ion

Question 19

Anything that occupies space and has mass is

Answer 19

Matter

Question 20

When only water diffuses through a selectively permeable membrane, the process is called

Answer 20

Osmosis

Question 21

A physical change is demonstrated by 
   A. Boiling of water 
   B. Mixing sugar and water 
   C. Energy 
   D. All of these

Answer 21

D. All of these

Question 22

Matter consists primarily of

Answer 22

Energy

Question 23

Diffusion will continue until what point is reached?

Answer 23

Equilibrium

Question 24

The molecular structure of chitin is most similar to

Answer 24

Cellulose

Question 25

If a bottle of ammonia is spilled in the basement and you begin to smell it upstairs, what process is demonstrated

Answer 25

Diffusion

Question 26

Which of the following is NOT a lipid?

Answer 26

Nucleotide

Question 27

Catalyst affect the rate of a reaction by

Answer 27

Changing the amount of activation energy necessary for the reaction

Question 28

What substance is often called a universal solvent?

Answer 28

Water

Question 29

A homogenous mixture

Answer 29

Is the same throughout

Question 30

Which of the following is NOT contained in a nucleotide?

Answer 30

Lipid

Question 31

When a large molecule is broken down by adding a water molecule, the process is called

Answer 31

Hydrolysis

Question 32

A type of polysaccharide that accounts for the strength of plant cells and is NOT digestible to most animals and humans is

Answer 32

Cellulose

Question 33

The basic building blocks of a protein are

Answer 33

Amino acids

Question 34

The process of transferring the complementary DNA base sequence to a molecule of RNA is called

Answer 34

Transcription

Question 35

Cork "cells" we're first identified by

Answer 35

Hooke

Question 36

The diffusion of water into a cell by osmosis results in a build-up of

Answer 36

Turbot pressure

Question 37

Organisms made up of cells that can operate independently but that normally tend to group together are called

Answer 37

Colonial

Question 38

Which of the following is NOT a characteristic of a prokaryotic cell?

Answer 38

Membrane-bound organelles

Question 39

The cell theory states that cells are the basic units that make up a all living things, cells come from preexisting cells, and

Answer 39

Cells are the units that carry on the functions of all living things

Question 40

Chloroplasts contain

Answer 40

Grana

Question 41

The process by which large volumes of fluid enter a cell through pouches in the cell membrane is

Answer 41

Pinocytosis

Question 42

Since diffusion is a purely physical process (it requires no cellular energy), it could be a form of

Answer 42

Passive transport

Question 43

Several tissues grouped together and working as a unit form

Answer 43

An organ

Question 44

The control center of most cell activity is the

Answer 44

Nucleus

Question 45

Which of the following is NOT a characteristic of a eukaryotic cell?

Answer 45

A nuclear area not enclosed in a membrane

Question 46

A solution that has a greater concentration of water molecules than the cell it surrounds is

Answer 46

Hypotonic

Question 47

The use of cellular energy to change the permeability of a membrane is called

Answer 47

Active transport

Question 48

Which of the following CANNOT be recycled?

Answer 48

Energy

Question 49

An example of an autotrophic organism is

Answer 49

An oak tree

Question 50

The DNA code is carried from the nucleus to the ribosomes by

Answer 50

Messenger RNA

Question 51

The major products of photosynthesis are

Answer 51

Oxygen and glucose

Question 52

One example of a phosphorus-containing compound that stores energy is

Answer 52

ATP

Question 53

A process that does NOT use oxygen is

Answer 53

Anaerobic

Question 54

The man who discovered much of the information we know about photosynthesis was

Answer 54

Calvin

Question 55

A nutritionally dependent organism is said to be

Answer 55

Heterotrophic

Question 56

The light-independent phase of photosynthesis takes place in

Answer 56

Neither the presence nor absence of light

Question 57

The molecule that delivers amino acids to ribosomes is

Answer 57

Transfer RNA

Question 58

The phase of photosynthesis that splits water molecules is the

Answer 58

Light-dependent phase

Question 59

When living things obtain energy for life processes from inorganic materials, they are performing

Answer 59

Chemosynthesis

Question 60

The breakdown of glucose by enzyme action in the absence of oxygen is

Answer 60

Fermentation

Question 61

The nitrogen-containing base that is found only in RNA is

Answer 61

Uracil

Question 62

Each messenger RNA codon codes for

Answer 62

An amino acid

Question 63

The destructive (energy-releasing) phase of metabolism is

Answer 63

Catabolism