Exam One

Question 1

Starch is?

Answer 1

A complex carbohydrate

Question 2

pH is?

Answer 2

a measurement of (H) ion concentration

Question 3

which of the following particles of an atom are negatively charged and rotate around the nucleus?

Answer 3

electrons

Question 4

the core of the atom contains?

Answer 4

protons and neutrons

Question 5

which of the following is not a genetic material

Answer 5

vitamin

Question 6

which of the following is a biological system and is made of several types of tissues

Answer 6

organ

Question 7

which of the following is not a characteristic of non living things

Answer 7

the have at least one of more cells

Question 8

which of the following is directly associated with deductive or inductive reasoning

Answer 8

conclusion

Question 9

a hypothesis made based on previous observations may help to

Answer 9

design experiments to test your observations

Question 10

a scientific method includes all of the following except

Answer 10

hesitation

Question 11

Which group includes the simplest of organisms that do not have a nucleus?

Answer 11

bacteria

Question 12

Biologists divided all living organisms into

Answer 12

3 domains

Question 13

Which one distinguishes living things from nonliving?

Answer 13

adaptation to a new environment

Question 14

Which one is a reproductive process?

Answer 14

cell division

Question 15

The process of passing genetic information from generation to generation is?

Answer 15

works only for few living things

Question 16

____ is a characteristic of all living things (single cell or multicellular) to maintain stable internal conditions

Answer 16

homeostasis

Question 17

A hypothesis is best described as

Answer 17

a logical explanation that can be tested

Question 18

In science, which of the following has the most general acceptance

Answer 18

experimentation

Question 19

Group of similar cells that act as functional unit at the most basic level are called

Answer 19

tissue

Question 20

Biological study brought about

Answer 20

vaccination for diseases

Question 21

Which of the following is not directly related with the study of life?

Answer 21

astronomy

Question 22

is a scientific process of gathering data before hypothesis is made

Answer 22

observations

Question 23

An experimental group is

Answer 23

the same as control group

Question 24

What are the products in this chemical reaction? C6H12O6 + 6O2 à 6CO2 + 6H2O

Answer 24

C6H12O6 + 6O2

Question 25

Which subatomic particle(s) is(are) located in the center of an atom (nucleus)?

Answer 25

neutrons and protons

Question 26

Which one of the following is a molecule? a. O2 b. H2O c. CO2 d. all of the above

Answer 26

all of the above

Question 27

. A covalent bond is

Answer 27

the attraction that one atom has for another atom

Question 28

Attraction between differently charged ions forms ____bond

Answer 28

ionic

Question 29

Polymers of organic molecules can be reduced into monomers by

Answer 29

hydrolysis

Question 30

The correct symbol for a hydrogen ion is a. OH-/>/> b. H c. H+ d. OH+/>/>

Answer 30

C

Question 31

Lemon juice has very high concentration of [H+], it is

Answer 31

acidic

Question 32

Triglyceride refers to

Answer 32

fat

Question 33

Which of the following is green-colored pigmented organelle?

Answer 33

chlorophyll

Question 34

The cell organelle that is involved in the synthesis of proteins is

Answer 34

ribosome

Question 35

osmosis is

Answer 35

net movement of water across selective membrane