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BIO 1100 Units 1 & 2 Practice

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

Which of the functions of all living things includes

all the chemical reactions in the body?

a)

metabolism

b)

responsiveness

c)

growth

d)

movement

2.

During development, muscle cells become specialized with the ability to contract in a process known as

a)

metabolism.

b)

differentiation.

c)

adaptability.

d)

responsiveness.

3.

The study of the structure of organ systems, such as the skeletal system, is an example of

a)

systemic anatomy.

b)

regional anatomy.

c)

surface anatomy.

d)

histology.

4.

Studying the organelles and internal structure of cells is called

a)

a.histology.

b)

macroscopic anatomy.

c)

cytology.

d)

gross anatomy.

5.

________ is the study of how diseases affect the

functions of organs and systems.

a)

Anatomy

b)

Cytology

c)

Histology

d)

Pathology

6.

Which is the smallest unit?

a)

molecule

b)

organelle

c)

cell

d)

atom

7.

Which is the largest component that comes together to compose tissues?

a)

cellular

b)

molecular

c)

chemical

d)

tissue

8.

Similar cells working together to perform specific functions is an example of which organizational level?

a)

organ

b)

organ system

c)

cellular

d)

tissue

9.

The linkage of cardiac muscle cells through gap junctions is an example of which organizational level?

a)

cellular

b)

molecular

c)

tissue

d)

organ

10.

The ________ level of organization refers to an individual person in whom all organ systems work together to maintain life and health.

a)

organ system

b)

organism

c)

organ

d)

tissue

11.

The spleen is one component of which system?

a)

endocrine

b)

nervous

c)

digestive

d)

lymphatic

12.

Which class of molecules directs the synthesis of enzymes?

a)

proteins

b)

carbohydrates

c)

nucleic acids

d)

lipids

13.

Thymine is found in which of the following?

a)

deoxyribonucleic acid

b)

ribonucleic acid

c)

lauric acid

d)

glycerol

14.

Proteins are polymers of ___ linked together by ___.

a)

monosachharides; glycosidic bonds

b)

ATP; phosphate bonds

c)

amino acids; peptide bonds

d)

nucleotides; hydrogen bonds

15.

Cholesterol is a

a)

phospholipid.

b)

steroid.

c)

fatty acid.

d)

protein.

16.

Which type of bond involves sharing of electrons between atoms?

a)

Ionic bond

b)

Covalent bond

c)

Van der Waals bond

d)

Metallic bond

17.

How many electrons does carbon have available for bonding?

a)

Three

b)

Four

c)

One

d)

Two

18.

What type of chemical reactions generally release energy to make ATP from ADP and inorganic phosphate?

a)

Endergonic

b)

Anabolism

c)

Catabolism

d)

Cohesion

19.

Which type of bond involves the complete transfer of electrons from one atom to another?

a)

Hydrogen bond

b)

Ionic bond

c)

Covalent polar bond

d)

Covalent nonpolar bond

20.

What type of bond is fluorine, with an atomic number of 9, most likely involved in?

a)

Hydrogen bond

b)

Covalent bond

c)

Ionic bond

d)

Cohesive bond