Download AP Bio Test Questions

AP Bio Cumulative Test Questions
Match the elements with the biomacromolecules
A.
B.
C.
D.
E.
phosphate groups-occasionally have sulfur
carbon, hydrogen, oxygen, sulfur, nitrogen, phosphorous
carbon, hydrogen, oxygen in a 1:2:1 format
mainly oxygen with carbon and hydrogen (hydrocarbons)
hydrogen, oxygen, carbon, occasionally sulfur
1.
2.
3.
4.
5.
Carbohydrates
Lipids
Proteins
Basic components of biomacromolecules
Nucleic Acids
6. Some nutrients are considered "essential" in the diets of certain animals because
A) only those animals use the nutrients.
B) only some foods contain them.
C) they are necessary coenzymes.
D) they are subunits of important polymers.
E) they cannot be manufactured by the organism.
7. The tendency of water molecules to stick together is known as
a) adhesion
b) cohesion
c) surfaction
d) surface tension
e) hydration
8. Which of the following organelles is especially large and predominant in cells whose main function is to
secrete certain cell products to other locations in the body?
a) mitochondria
b) Golgi apparatus
c) Nucleus
d) Ribosome
e) vacuole
9. Sponges, humans, and fish have which of the following in common?
I. Endoskeleton
II. Open circulatory system
III. Gills at one point in development
a) None of the above
b) I only
c) II only
d) II and III
e) I and III
10. Some enzymes will work only in the presence of a non-protein molecule called a(n)
a) activator
b) substrate
c) cofactor
d) regulator
e) inhibitor
11. An important component of the vascular system that prevents substances from entering the xylem of a plant
stem without passing through a plasma membrane is
a) the root hair
b) the epidermis
c) the cortex
d) the casparian strip
e) the stele
12. Water and minerals get transported through what part of the plant?
a) stem
b) root hairs
c) stomata
d) cytoplasm
13. In vascular plants, which of these is incorrect?
a) xylem – composed of tracheids, vessel elements, fibers, wood parenchyma
b) phloem – carries products of photosynthesis
c) xylem – carries sap
d) xylem – provides water and ions
14. An enzyme that begins the hydrolysis of proteins is
a) gastric juice
b) acid chyme
c) pepsin
d) bile
15. The Bohr Shift is caused by what?
a) a change in temperature
b) a change in pH, usually by addition of CO2
c) a change from a high density to a low density
d) a change from an area of high pressure to low pressure
16. All of the following are carbohydrates except
a) glycerol
b) chitin
c) starch
d) glycogen
17. Enzymes speed up chemical reactions by doing which of the following?
a) decreasing the G of the products
b) increasing the activation energy of the reaction
c) lowering the activation energy of the reaction
d) increasing the number of substrate molecules available for reacting
18. Which two functional groups combine with an R group to form a protein?
19. A plant cell with s = .38 MPa maintains a constant volume when bathed in a solution that has a solute
potential of -.17 MPa and is an open container. What is the pressure potential of the cell?
20. What would cause a Bohr shift on a dissociation curve?
21. Viruses have all of the following characteristics EXCEPT
a) not cells
b) can reproduce on their own
c) dependent on a host cell
d) infectious
e) does not transform energy
22. Which of the following represents a carboxyl group?
23. Which of the following is a common type of root on plants?
a) dry roots
b) polydactyl roots
c) glucose – absorption roots
d) stringy roots
e) tap roots
24)What is antigenic drift?
a) the ability of a virus to mutate
b) the ability of people to move from area to area
c) the ability of DNA to mutate
25. All living organisms have the same amount of DNA
a) true
b) false
26. All of the following are true about interspersed repetitive DNA except
a) longer base pairs (about 150 – 300)
b) similar, but not identical sequences
c) thought to be vital to chromosome structures
27. Which of the following exists as RNA surrounded by a protein coat
a) retrovirus
b) prion
c) prokaryote
d) spirochete
e) streptococcus
28. In plants, the inhibition of flowering in response to photoperiod is triggered by changes in
a) ethylene
b) auxin
c) gibberellic acid
d) phytochrome
e) cytokinin
29. Which of the following processes is carried out more efficiently by a C4 plant than by a C3 plant?
a) light absorption
b) chemiosmotic coupling
c) photolysis
d) fixation of CO2
e) transport of sugars
30. During every energy transfer, some energy is being
a) lost in the atmosphere
b) eaten by tigers
c) recycled for another transfer
d) transferred to heat
31. Enzymes do all of the following except
a) lower activation energy
b) stress bonds of a substrate
c) eaten by giants
d) active site changes shape when the substrate binds to the active site
32. All are roles in multicellular animals except
a) pass signals from nerve cell to nerve cell
b) eating bananas
c) regulation of metabolism
d) regulate development
33. What mineral is used to transport oxygen in blood in arthropods?
a) copper
b) iron
c) zinc
d) calcium
e) hydrogen
34. What is special about a bird’s circulatory system?
a) nothing
b) closed circuit
c) open
d) no liver
e) gills
35. Angiosperms have a special treat of what?
a) specialized root systems
b) specialized leafs
c) flowers
d) cones
e) long trunks
36. Which of the following best describes an intimate ecological association in which an organism benefits
from living on or within a host, but which generally has a negative effect on the host?
a) mutualism
b) saprophytism
c) commensalism
d) parasitism
e) predation
37. Which of the following statements best summarizes organic evolution?
a) it’s goal directed
b) it represents the results of selection for acquired characteristics
c) it is synonymous with the process of gene flow
d) it’s the descent of humans from the present-day great apes
e) it’s the differential survival / reproduction of certain phenotypes
38. Bones of a human arm are homologous to structures in all of the following except
a) whale flipper
b) bat wing
c) butterfly wing
d) bird wing
e) frog forelimb
39. Which of the following functional groups are usually found in amino acids
40. Which of the following is true about metabolic pathways
I. metabolic processes are relatively recent
II. metabolic processes likely evolved in early aerobic environments
III. mitochondria likely come from prokaryotes engulfing each other
a) I only
b) II only
c) II and III only
d) I and III only
e) I, II, and III
41. Animal cells are stable when they are
a) isotonic
b) hypertonic
c) hypotonic
d) lacking water
e) none of the above
42. Using a microscope, ribosomes, and endoplasmic reticulum, chloroplasts, and a cell wall are seen. What
could this be?
a) a fungus
b) an animal
c) a plant
d) a virus
43. If a segment of DNA is 5’ TAG GAT TAG 3’, the RNA that results will be
a) 3’ TAC GAT TAU 5’
b) 3’ ATG CTA ATA 5’
c) 3’ UAC GAU UAG 5’
d) 3’ AAC GAU UAA 5’
e) 3’ AUG CUA AUC 5’
44. Regarding mitosis and cytokinesis, one difference between higher plants and animals is that in plants
a) plant spindles have cellulose microfibers where as animals don’t
b) sister chromatids are identical, where in animals they are not
c) a cell plate begins to form at telophase, whereas in animals a cleavage furrow has begun
d) chromosomes attach to spindle at prophasewhere in animals chromosomes attach in anaphase
e) spindle poles have centrioles in plants but not in animals
New
1. What is the function of the cristae?
a. regulate the circular flow of cytoplasm, involving actin and myosin filaments
b. the sites of the electron transport chain and enzymes that catalyze the synthesis of ATP in
cellular respiration
c. transport ions across the cell membrane and concurrently generates a voltage potential across the
membrane
d. facilitate the process of exocytosis
e. used by single-celled organisms in locomotion
2. Animal behaviour that reduces the fitness of the individual while increasing the fitness of the
recipient(s) of the behaviour is known as______________.
a. habituation
b. evolution
c. imprinting
d. altruism
e. instinct
3. Which of the following is NOT a type of leukocyte?
a. macrophage
b. lymphocyte
c. neutrophils
d. eosinophils
e. histiocyte