5 Steps to a 5 AP Biology, 2014-2015 Edition

AP Biology Practice Exam 1 ❮ 265

AP Biology Practice Exam 1: Section I

PART A: MULTIPLE-CHOICE QUESTIONS

Time—1 hour and 30 minutes (for Parts A and B)

For the multiple-choice questions that follow, select the best answer

and fill in the appropriate letter on the answer sheet.

1. Which of the following characteristics would allow
   you to distinguish a prokaryotic cell from an animal
   cell?
   A. Ribosomes
   B. Cell membrane
   C. Chloroplasts
   D. Cell wall


2. Which of the following is the source of oxygen
   produced during photosynthesis?
   A. H 2 O
   B. H 2 O 2
   C. CO 2
   D. CO


3. An organism exposed to wild temperature fluc-
   tuations shows very little, if any, change in its
   metabolic rate. This organism is most probably a
   A. ectotherm.
   B. endotherm.
   C. thermophyle.
   D. ascospore.


4. Which of the following is a frameshift mutation?

A. CAT HAS HIS →CAT HAS HIT

B. CAT HAS HIS →CAT HSH ISA

C. CAT HAS HIS →CAT HIS HAT

D. CAT HAS HIS →CAT WAS HIT

5. A researcher conducts a survey of a biome and
   finds 35 percent more species than she has found
   in any other biome. Which biome is she most
   likely to be in?
   A. Tundra
   B. Tiaga
   C. Tropical rainforest
   D. Temperate deciduous forest
   6. On the basis of the following crossover frequen-
   cies, determine the relative location of these four
   genes:
   7. A man contracts the same flu strain for the
   second time in a single winter season. The second
   time he experiences fewer symptoms and recovers
   more quickly. Which cells are responsible for this
   rapid recovery?
   A. Helper T cells
   B. Cytotoxic T cells
   C. Memory cells
   D. Plasma cells
   8. Which of the following are traits that are affected
   by more than one gene?
   A. Heterozygous traits
   B. Pleiotropic traits
   C. Polygenic traits
   D. Blended alleles

m & n 15%

p & f 20%

n & f 30%

m & f 45%

n & p 10%

A.

B.

f

m

C.

nfp

m

D.

nfp

nfm p

pmn

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