1.
Plant tissue noted for storage, secretion, and regeneration is
a.
vascular cambium.
b.
parenchyma.
c.
collenchyma.
d.
sclerenchyma.
e.
none of these
2.
The cells that function with the sieve tubes are the
a.
vessels.
b.
companion cells.
c.
adjunct cells.
d.
sclereids.
e.
periderm.
3.
A cotyledon is which of the following?
a.
embryonic root
b.
seed cover
c.
flower part
d.
seed leaf
e.
fruit
4.
Which of the following is true of monocots?
a.
has two cotyledons
b.
leaf veins usually netlike
c.
pollen grains with three pores
d.
vascular bundles throughout ground tissue
e.
floral parts in multiples of fours and fives
5.
The vascular bundles of dicots separate the ground tissue into two zones. Which of the following correctly describes the arrangement of these zones?
a.
outermost xylem?phloem?pith?cortex
b.
outermost phloem?xylem?pith?cortex
c.
outermost cortex?phloem?xylem?pith
d.
outermost pith?phloem?xylem?cortex
e.
outermost cortex?xylem?phloem?pith
6.
Which of the following is mismatched?
a.
cotyledon—seed leaf
b.
petiole—leaf stalk
c.
deciduous—evergreen
d.
veins—vascular bundles
e.
blade—leaf
7.
Mitosis takes place in which region of the root?
a.
zone of maturation
b.
root cap
c.
zone of elongation
d.
meristem region
e.
region of differentiation
8.
Root hairs are the extensions of the
a.
apical meristem.
b.
epidermis.
c.
pericycle.
d.
vascular bundles.
e.
root cap.
9.
Which of the following statements is false?
a.
Some perennial plants may consist of primary growth only.
b.
Cork cambium and vascular cambium are cells that form lateral meristems.
c.
Nonwoody plants are herbaceous.
d.
Phloem is formed on the inside of vascular cambium, whereas xylem is formed on the outside.
e.
Sapwood surrounds heartwood.
10.
Carbohydrates are stored in plants in the form of
a.
cellulose.
b.
sucrose.
c.
starch.
d.
fats.
e.
glucose.
11.
Sugars are carried throughout the plant in which tissue?
a.
cortex
b.
parenchyma
c.
xylem
d.
phloem
e.
cambium
12.
A locus is
a.
a recessive gene.
b.
an unmatched allele.
c.
a sex chromosome.
d.
the location of an allele on a chromosome.
e.
a dominant gene.
13.
The most accurate description of an organism with genotype AaBb is
a.
homozygous dominant.
b.
heterozygous.
c.
heterozygous dominant.
d.
homozygous recessive.
e.
heterozygous recessive.
14.
Which organism did Mendel utilize to work out the laws of segregation and independent assortment?
a.
the fruit fly
b.
Neurospora
c.
the garden pea
d.
the chicken
e.
E. coli
15.
Hybrid organisms produced from a cross between two pure-breeding organisms belong to which generation?
a.
P1
b.
H1
c.
A1
d.
F1
e.
F2
16.
If R is dominant to r, the offspring of the cross of RR with rr will
a.
be homozygous.
b.
display the same phenotype as the RR parent.
c.
display the same phenotype as the rr parent.
d.
have the same genotype as the RR parent.
e.
have the same genotype as the rr parent.
17.
If short hair (L) is dominant to long hair (l), animals LL and Ll have the same
a.
parents.
b.
genotypes.
c.
phenotypes.
d.
alleles.
e.
genes.
18.
If tall (D) is dominant to dwarf (d), and two homozygous varieties DD and dd are crossed, then what kind of progeny will be produced?
a.
all intermediate forms
b.
all tall
c.
all dwarf
d.
1/2 tall, 1/2 dwarf
e.
3/4 tall, 1/4 dwarf
19.
The theory of segregation applies most specifically to events occurring in preparation of
a.
offspring.
b.
zygotes.
c.
homologous chromosomes.
d.
gametes.
e.
loci.
20.
If short hair (L) is dominant to long hair (l), then what fraction of the offspring produced by a cross of Ll × ll will be homozygous dominant?
a.
1/2
b.
1/4
c.
1/3
d.
none (no chance of this offspring)
e.
none of these is correct
21.
In a cross involving plants with round/wrinkled seeds, yellow/green pods, and tall/dwarf stems, the researcher is actually observing __________ traits.
a.
4
b.
3
c.
6
d.
12
e.
none of these
22.
Solid color allele is dominant to striped, and long hair allele is dominant to short hair in a laboratory animal. If the mating of a long solid animal with a short striped animal produced the maximum number of phenotypes, how many would be produced?
a.
1
b.
2
c.
4
d.
8
23.
Which of the following statements about the F2 generation produced in the dihybrid cross is NOT true?
a.
All offspring with the same phenotype will have the same genotype.
b.
All offspring with the same genotype will possess the same phenotype.
c.
It will not be possible to determine the genotype of some individuals by their phenotype.
d.
It will be possible to tell the genotype of some offspring by looking at their phenotypes.
e.
Nine genotypes and four phenotypes will be produced.
24.
Individuals with the genotype Gg Hh Ii Jj will produce how many different kinds of gametes?
a.
2
b.
4
c.
6
d.
8
e.
16
25.
If all the offspring of a cross had the genotype Aa Bb, the parents of the cross would most likely be
a.
AA BB × aa bb.
b.
AA bb × aa BB.
c.
Aa Bb × Aa Bb.
d.
Aa bb × aa Bb.
e.
AA BB × aa bb or AA bb × aa BB.
26.
What fraction of the time will the cross of Aa Bb Cc with Aa Bb Cc produce an offspring that is pure-breeding?
a.
3/64
b.
1/16
c.
1/8
d.
9/64
e.
27/64
27.
An incompletely dominant gene controls the color of chickens so that BB produces black, Bb produces a slate-gray color called blue, and bb produces splashed white. A second gene controls comb shape, with the dominant gene R producing a rose comb and r producing a single comb. If a pure-breeding black chicken with rose comb is mated to a splashed white chicken with a single comb in the F2 generation, what fraction of the offspring will be black with single comb?
a.
9/16
b.
3/8
c.
3/16
d.
1/8
e.
1/16
28.
Roan cattle are the heterozygous hybrids of a cross between a white bull and a red cow. If a roan bull were crossed with a red cow, their offspring would show which of the following ratios?
a.
all roan
b.
1 red:2 roan:1 white
c.
1 red:1 white
d.
1 red:1 roan
e.
all roan
29.
Susan, a mother with type B blood, has a child with type O blood. She claims that Craig, who has type A blood, is the father. He claims that he cannot possibly be the father. Further blood tests ordered by the judge reveal that Craig is AA. The judge rules that
a.
Susan is right and Craig must pay child support.
b.
Craig is right and doesn't have to pay child support.
c.
Susan cannot be the real mother of the child; there must have been an error made at the hospital.
d.
it is impossible to reach a decision based on the limited data available.
e.
none of these
30.
DNA coding regions that affect the same trait are called
a.
homologues.
b.
alleles.
c.
autosomes.
d.
loci.
e.
gametes.
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This is my answers.
1/ B
2/B
3/D
4/D
5/ (I dont know)
6/ ( I dont know)
7 D
8/ B
9/ D
10/ C
11/ D
12/D
13/B
14/C
15/D
16/B
17/C
18/B
19/d
20/d
21/B
22/C
23/A
24/E
25/E
26/C
27/E
28/ D
29/B
30/B
Please help me check all that answers. If I wrong, please help me correct it. Thank you so much !
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