REA Online - Making The World Smarter

SHORTCUTS:

CLEP

GRE/LSAT/MCAT/GMAT™

SAT

AP Biology Practice Test

1.	Hydrolysis of lipid molecules yields:
	A.	amino acids and water
	B.	amino acids and glucose
	C.	fatty acids and glycerol
	D.	glucose and glycerol
	E.	glycerol and water

2.	The majority of ATP molecules derived from nutrient metabolism are generated by (the):
	A.	anaerobic fermentation and glycolysis
	B.	fermentation and electron transport chain
	C.	glycolysis and substrate phosphorylation
	D.	Krebs cycle and electron transport chain
	E.	substrate phosphorylation

3.	The Mendelian law that describes the behavior of two or more gene pairs is the law of:
	A.	codominance
	B.	dominance
	C.	independent assortment
	D.	segregation of genes
	E.	recombination

4.	The largest number of known species is represented by the phylum:
	A.	Arthropoda
	B.	Annelida
	C.	Echinodermata
	D.	Platyhelminthes
	E.	Porifera

5.	Graded variations in a species trait over a geographic distribution is a(n):
	A.	cline
	B.	genus
	C.	inbreeding
	D.	mutation
	E.	polymorphism

6.	A person receives the results of a hematocrit during a series of blood tests. A hematocrit is the:
	A.	abundance of white blood cells in blood
	B.	concentration of sugar in the blood
	C.	level of circulating antibodies
	D.	percentage of blood cellular material by volume
	E.	typing of the blood by the ABO scheme

7.	An insect is captured and studied in a laboratory. This insect has a pair of short, rigid wings, and a pair of thin veined wings. It also has chewing mouthparts. The insect will most likely be classified as a member of which of the following orders?
	A.	Diptera
	B.	Hemiptera
	C.	Homoptera
	D.	Lepidoptera
	E.	Orthoptera

8.	summation
	A.	a short, individual contraction and relaxation
	B.	a sustained maximal response
	C.	an accumulation of an abundance of lactic acid
	D.	the merging of separate responses into a powerful output
	E.	tonic activity, as occurring in muscle tone

9.	tetanus
	A.	a short, individual contraction and relaxation
	B.	a sustained maximal response
	C.	an accumulation of an abundance of lactic acid
	D.	the merging of separate responses into a powerful output
	E.	tonic activity, as occurring in muscle tone

Questions 10 - 13 refer to the organelles of a cell and their function(s).

10.	centriole
	A.	site of mRNA translation
	B.	contains a circular arrangement of 18 microtubules that surround 2 microtubules
	C.	contains a circular arrangement of 27 microtubules
	D.	site of rRNA synthesis
	E.	contains a circular arrangement of nine microtubules surrounding two microtubules

11.	cilium
	A.	site of mRNA translation
	B.	contains a circular arrangement of 18 microtubules that surround 2 microtubules
	C.	contains a circular arrangement of 27 microtubules
	D.	site of rRNA synthesis
	E.	contains a circular arrangement of nine microtubules surrounding two microtubules

12.	nucleolus
	A.	site of mRNA translation
	B.	contains a circular arrangement of 18 microtubules that surround 2 microtubules
	C.	contains a circular arrangement of 27 microtubules
	D.	site of rRNA synthesis
	E.	contains a circular arrangement of nine microtubules surrounding two microtubules

13.	ribosome
	A.	site of mRNA translation
	B.	contains a circular arrangement of 18 microtubules that surround 2 microtubules
	C.	contains a circular arrangement of 27 microtubules
	D.	site of rRNA synthesis
	E.	contains a circular arrangement of nine microtubules surrounding two microtubules

14.	The intracellular environment is best described as:
	A.	hypertonic
	B.	hypotonic
	C.	isotonic
	D.	osmotic
	E.	permeable

15.	The extracellular environment will:
	A.	gain water
	B.	gain solute
	C.	lose water
	D.	lose solute
	E.	remain unchanged

16.	Over time the cell will:
	A.	become more hypertonic intracellularly
	B.	enlarge and experience lysis
	C.	experience crenation
	D.	lose motility
	E.	lose solute

Questions 17 - 18 refer to the genetic grid below.

17. In the genetic cross, what is the percentage of genetic recombinations that are heterozygous for both loci?
  A. 0
  B. 25
  C. 50
  D. 75
  E. 100

18.	A genotype that is not produced among offspring from this cross:
	A.	AABb
	B.	AAbb
	C.	AaBb
	D.	Aabb
	E.	aaBB

19. Describe the different types of mutations and the process of translation. Include a discussion of how point mutations affect proper protein synthesis at the level of translation.

20. Describe how each of the following animal and plant cells perform its unique function by specialized structural traits.

Animal = erythrocyte, neuron, muscle fiber.

Plant = epidermal cell, tracheids, parenchyma cells.

• Copyright 2006 • Research & Education Association, Inc. • 61 Ethel Road West • Piscataway • NJ 08854 •
• Telephone: (732) 819-8880 • Fax: (732) 819-8808 • email: info@rea.com •
An MJMI Website. All rights reserved.