Ar,J s vv~~ ~ _J<;¥ Y
Name _
Exam 3
Suppleuwrtal
.3
_._1.
Ins~on P[Ojram
Bio.1000
Dr. Osborne
The diagrams below represent the sequence of events in a cell
that is 1Dldergoing nonnal meiotic cell division.
(0)
Which diagnm molt likely reprcICDfIllIF (0) of tbis sequence?
(1)(0
a)
©
(3)
<
:
,:
(4)~
.11.
2
I
2.
Each of the two daughter eeDs that result from the normal mitotic
division of the original parent een contains
(1) the same number of chromosomes, but has genes different
. from those of the parent eeDs
(2) the same number of chromosomes, and has genes identical to
those of the parent eeDs
(3) one half of the number of chromosomes, but has ·genes
different from those of the parent .eeDs
(4) one half of the number of chromosomes, and bas genes
idenucal to those of the pmmt eeDs
3.
In the diagnu:na below,
I
rcprcacn18 the diploid number ofchromosomes
and D. represents the monoploid number. Which
in a eell of an oraanism.
diagram rqH'CICi1ltB gamete fonnation?
(l)®~
a)~
@~
(4)~
(3)
_ _ 4.
k
The number of autosomes and the type of sex chromosome nonnaBy
present .in a human female liver een is
(1) 44 + XX
(2)'44 + XY
(3)22+X
(4)22+Y
•
4-
s.
Z
6.
Mongolism (Down's syndrome) is caused by~.~, extra chromosome #'11
resulting from abnonnal ceQ division in
(1) asiatic people
.(2) black people
(3) white people
(4) any group because it is not confined to any one group
The fonowing list describes some of the events associated with
nonnal cen division. .
--------- - - --- -- --- .-------A-Nuclear membrane formation -at'O\md-each-set--------------------­
of newly fonned chromosomes
B· Separation of centromeres
c· Replication of each chromosome
D· Movement of single-stranded chromosomes
to opposite ends of the spindle
What is the normal sequence in which these events occtrl
(1) A .> B .> C .> D
(2) C .> B .> D·> A
~C~D~B~A
1
_ _ 7.
WD~C~A~B
The structure pictured at the right is most closely
associated with which process?
(1) mitosis
(2) cyclosis
(3) hydrolysis
(4) phagocytosis
4-
8.
Which is 1he COITCCt sequence of steps in mitosis?
(1) anaphase, metaphase, interphase, telophase, prophase
(2) prophase, metaphase, telophase, intcIphase, anaphase
(3) interphase, prophase, telophase, anaphase, metaphase
(4) prophase, motaphaee, anaphaae, telophase, interphase
4-
9.
I
_ _ 10.
Cancer can be considered as an abnonnlllity of Cf!ll division occurring in
(1) asiatic people
(2) black people
(3) white people
(4) any group because it is not confined to any one group
Two cells which have a chromosome number different from that of their
single parent ceD are nonnally produced during the process of
(1) meiosis
(2) mitosis
----------- --(3)fertilization-----------(4)cleavage------------------- -----------------------------­
3
11.
4- 12.
Which statement correctly describes the nonnal number and type of
chromosomes present in human body cells of a particular sex?
(1) Males have 22 pairs of autosomes, and one pair of sex
chromosomes known as xx.
(2) Females have 23 pairs of autosomes.
(3) Males have 22 pairs of autosomes, and one pair of sex
chromosomes known 18 .XY.
(4) Males have 23 pairs of autosomes.
The inunediate resuh of the process of meiosis is the fonnation of
(1) somatic ceDs
(3) gonads
_ , _ 13.
4-
14.
....Q1J~ eggs
. (4rgametes
-._-'--_._-­
:_
The diploid number of chromosomes results from
(1) fertilization
(2) maturation
(3) reduction division
(4) ovulation
In marriages between black and white people, which is true of the
children?
(1) They have increuod risk of sicldo-cen anemia and C}'!tic fibrosis.
(2) They have increased risk of sickle-ceD anemia but decreased
risk of gyatic fibrosis.
.
(3) They haw decreased risk of sickle-ceD anemia but increased
riak of cystic fibrOlis.
(4) They have decreased risk of both sickle-eeD. anemia and
cystic fibrosis.
f
15.
A genetic disease of the exocrine glands fOWld primarily in white people is
(2) sickle-eeD anemia
(3) Tay-Sachs disease
(4) ulcerative colitis
(1) cystic fibrosis
Directions (16-19): Base your answers to questions 16 through 19 on the followUig
diagram of the human female reproductive system..
2
- --- . - _.- - - - _.._- ._-_. __._.- .- --_..... ­
4
-UI~'
16.
Which number indicates where the spenn cells enter?
(1) 1
(2) 2
(3) 3
4-
17.
Which number indicates the site where a placenta is being formed?
(1) 1
(3)3
I
_ _ 18.
19.
20.
(2) 6
(4)5
Which of the foBowing diseases OCCW'B primarily in black people?
(2) cystic fibrosis
(3) Tay-Sachs disease
(4) sickle-cell anemia
(1) ulceratM coli1is
4- 21.
2-
(2) 2
(4) 7
Which number indicates a site of cleavage?
(1) 1
(3)3
4-
(2) 2
(4)4
Which stnIcture is an ovary?
(1) 1
(3) 6
2
(4) 6
22.
A hereditaty disease that may also provide protection against malaria is
(1) ray-Sachs disease
(2) cystic fibrosis
(3) ulcerative colitis
(4) sickle-cell anemia
Tay-8achs disease is inherited as a homozygous recessive trait
(1) equally in an human groups
(2) among Jews of eastern European descent
(3) among people of A1iican descent
(4) in people of southeast Asia .'
Directions (23-25): Base your lmSWcrs to questious 23 through 2~ orI. the dia&Tml below
which represents selected steps occuning in hmnan reprodlmtion and on your knowledge
­
m~~.
,..__--A_-_\
'V'- •
4
8
~
.®-Q-Q9-~
- .-9-~
----------- ---------------------2------3---- -- --------------S-------------
I
23.
25.
7
(2) 7
(4) 4
1 ' ­
Which number indicates the process:of eady cleavage?
(1) 1
(2) 5 ­
(3) 8
I
6
Which number indicates the process offertilization?
(1) 1
(3) 8
4- 24.
~
(4) 4
Which nmnber indicates the structure known as the blastula?
(1) 6
(3)3
(2) 2
(4)7
Tall stems in plants, red tlower color and gIWIl pod color in peas
an partly describe each 0IpDisma
(1) alleles
(3) chromosomes
__
, _ 27.
Skin color in humans rcsubs from a zene1ic inheritance pattern caned
(1) polygenic
(3) heterozygous
3
28.
(2) autosomes
(4) phenotypes
(2) homozygous
(4) codomiDant
A cross between a red rose and a white rose resuICB in 100% pink. When
two of these pink roses are crossed, assuming large numbers of offspring,
the ra1io of oftipriDg produced most probably will be
(l) lOOOIb pink
(2) 75% pink; 25% red
(3) 25% red; 50% pink; 25% white
(4) 50% red; 50% white
3
29.
2
31.
Which molecule carries a specific code from the nucleus to the site of
protein synthesis?
(2) messenger RNA
(l)DNA
(4) ribosomal RNA
(3) transfer RNA
.4
32.
Which base is found in DNA but not in RNA?
(1) adenine
(2) guanine
(3) cytosine ..
(4) thymine
4-
33.
f 34.
2- 35.
4
Which molecule is fmmd in the structure of nbosomes?
(2) messenger RNA
(3) transfer RNA
(4) ribosomal RNA
(1) DNA
36.
Which molecule contains the hereditary infOlDlation passed on from
generation to generation in humans?
(1) DNA
(2) lIlCIlICDgCI'RNA
(3) transfer RNA
(4) ribosomal RNA
Of the folowing. 1he condition which results from a specific chaDge
in the DNA molecule is
. (l) cystic fibrosis
(2) siclde-eeD anemia
(4) ulcerative colitis
(3) Tay-Sachs disease
The replK;ation of a double-s1randed DNA molecule begins when the
strands separate at 1hc
(1) phosphate bonds
(2) deoxyribose molecules
(4) hydrogen bonds
(3) ribose molecules
Directions (37-38): Base your answers on the paragraph below.
When a green leaf is exposed to sunlight under conditions favorable to
photoS}uthesis. approximately 1% of the radiant energy received is transfmmed into
chemical energy which becomes stored in carbohydrates. However, only a very small
portion of this energy is available for use by animals.
2
37.
3
38.
A second reason which helps account for the small amounts of energy
available for consumption by animals is probably that
(1) animals excrete a large percentage of the digestible carbohydrates
that they eat
(2) too much energy released quickly is harmful to animals
(3) some of the energy-eontainiDg substances may be in forms
which animals cannot usc
(4) carbohydrates are unstable and may disintegrate before
animals can eat them
2
39.
The best description of a primary consumer is that it
(1) captures light energy to make food
(2) utilizes carbohydrates which it ingcs1s
(3) is generally a food source for producers
(4) changes inorganic c0mp01Ulds to carbohydrates
The principal reason that such a small percentage of the chemical energy
is available to animals is probably that
----------.---- --- -- - - ----- -- (I)-animals require-enzymes to digest-carbohydrates--- ----- --------- -- ------------------­
(2) plants use some of the energy themselves
(3) chemical substances never release stored energy
(4) animals lack chlorophyll
I
_ _ 40.
Which sequence iIIus1ratos •. genoraJized food chain in •
natural community?
(1) autotroph -> herbivore -> secondary consumor
(2) autotroph -> herbivore -> autotroph
(3) hetero1roph -> herbivore -> secondary consumer
(4) secondary consumer -> autotroph -> carnivore
I
_ _ 41.
In the food chain below, which are the most abundant organisms?
com plants -> field mice -> garter snakes -> red-tailed hawks
(1) com plants
(3) garter snakes
(2) field mice
(4) red-tailed hawks
Directions (42-43): Base your answers to questions 42 and 43 on the dkgram below and
on your knowledge of biology. The diagram illustrates the relationships between the
organisms in a certain pond.
.,
"'Cc:oonl
Duelll
Com.lFi~~
- - - - - - - - - -
----
- -
-
-
_ _n
__
-­
3 42.
/
-----------~~~C~E:. ,-Ioot-iftI-P1-.;;.-;------.-----,-----------.----------------------------------- ---­
In addition to sunlight, another factor needed to make this a
self-sustaining ecosystem would be the presence of
(1) producers
(2) primary CODSUtDers
(3) dccomposcrs
(4) higher order consumers
4-
43.
_,_1_ 44.
...-----
_.
The best description of a primary~is that it - ­
(1) captures light energy to make f~- ~-- ...- ­
(2) utilizes carbohydrates which it inges1s
(3) is generally a food source for producers
,
(4) changee inoJpDc compoUllds to carbohydrates
_ _ 45.
3
In this pond comnumity, which organisms are secondary consumers?
(1) aquatic crustaceans and raccoons
(2) camivorous fish and aquatic ClU8taceans
(3) ducks and minnows
(4) ducks and carnivorous fish
Atmosphoric Diaogon is conwrted to usable ni1rates by
(1) nitrogen-fixiDg bacteria (2) nitrifying bacteria
(3) deniIrifying bacteria
(4) decay bacteria
46. - Which biomc is coosidered the most stable?
(1) 1ropica1 rain forest
(2) tundra
(3) marine
(4) grassland
2- 47.
In a forest community, the dominant species are
(1)~
(3) fungi
(2)~
, (4) lichens
,
3
48.
The chief distinguishing characteristic of a biome is its
(2) latitude
(4) ecosystem
(1) altitude
(3) climax vegetation
-
4-
49.
The splints in the leg bones of the modem horse are examples of
(1) variations
(2) acquired characteristics
(3) adaptations
(4) ves1igial structures
2
so.
In determining the age of human archeological sites in Africa, the
radioactive-isotope of-choiceis--------------~--------------~--~-----~---~-~
(1) Hydrogen-3
(2) Carbon-14
(4) Potassium-40
(3) Phosphoros-32
---~-~--~~~- ---~------ ---~---
-.;1_ S1.
Which are examples of homologous structures?
(1) forelegs of a frog and anna of a human
(2) flipper of a whale and tail of a monkey
(3) winp of a bat md cilia of a Paramecium
(4) pseudopodia of Amoeba mel giDs of a shalt
3
52.
Support for the theory of evolution baaed on simiJari1ies in the structure
of certain orianisms is obtained from the study of comparative
(1) biochemis1ry
(2) geography
(4) physiology
(3) anatomy
4
S3.
Which type of energy, that was prevalent in the PIUnitM: environment,
came primarily from the BUll?
(1) electrical enmgy
(2) thennonuclear enmgy
(3) hot volcanic ash
(4) ultraviolet radiation
_ _ 54.
.A10ng with III in~ in the visual acuity of primates came
(1) roducocI dependence on tho 8OD8O of smoII
(2) 1088 of stcreoseopic vision
(3) inoIuIe in tho number of rods in the retina
(4) tendency toward venical posture
~----~-------
\
2
55.
The _ seem to be our closest living relatM:s. They are somewhat
smaller than humans, feed and sleep in trees, but spend a lot of time
on the gro1Dld where they may use simple tools.
(1) gorillas
(2) chimpanzees
(3) gibbous
I
_ _ 56.
(4) orangutans
Which of the fonowing is the earliest hominid?
(1) Aus1ral<dbecus
(2) Homo babjIjs
(3) Homo erectus
(4) Neanderthal man
- ------_._- .-._-.- - .-- ---7'f----c- ---- ..-._------.------------------- ----.-.--_.--- -- -------------------.-_.. ------ ----------------­
_If_ 57. The age of the oldest known rocks in the crust of Earth in yean is about
(1) 1 biDion
(3) 3 biDion
4- 58.
4I
59.
_ _ 60.
(2) 2 biDion
(4) 4 billion
The heterotroph hypothesis suggests that
(1) heterotrophic nWrition is the basis of aD life
(2) heterotrophs developed from previously existing autotrophs
(3) living organisms arose as a result of photolyn1hesiB
(4) orgaDic molecules developed before there were JMng organisms
The heterotroph hypothesis assumes that energy from 1igh1Ding was used
direcdyto
(1) add nitrog~ to the cady atmosphere
(2) add carbon dioxide to the cady atmosphere
(3) enable hetcrotrophs to manufacture food
(4) synthesize organic molecules
The evolWion of photosyn1hetic forms oflife made possible
the metabolic process of
(1) aerobic respiration
(2) alcoholic fennentaUon
(3) cellular syntheeis
(4) molecular diIeociation