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WorksheetsPre-Ap Sci 7th Grade Finals Prep Quiz
Total questions: 54
Worksheet time: 8hrs 44mins
Name
Class
Date
1.
What only allows certain molecules to enter or leave the cell, and separates the internal metabolic reactions from the external environment?
a)
Plasma Membrane
b)
Nucleus
c)
Mitochondria
d)
Ribosomes
2.
A Cytoskeleton is a network of thin tubes and filaments that crisscrosses the cytosol.
a)
True
b)
False
3.
What are tiny organelles that transfer energy from organic molecules to ATP?
a)
Ribosomes
b)
Vesicles
c)
Cytoskeleton
d)
Mitochondria
4.
What are long threads of the beadlike protein actin and are linked end to end and wrapped around each other like two strands of rope?
a)
Microtubules
b)
Microfilaments
c)
Intermediate Filaments
d)
Peroxisomes
5.
Lysosomes, Peroxisomes, and Glyoxysomes are all types of...
a)
Ribosomes
b)
Cytolskeletons
c)
Nucleuses
d)
Vesicles
6.
A rigid layer that lies outside the cell's plasma membrane is...
a)
Cytoskeleton
b)
Cilia
c)
Cell Wall
d)
Flagella
7.
Hairlike structures that extend from the surface of the cell, that assist in movements is ...
a)
Plastids
b)
Cilia and Flagella
c)
Golgi Apparatus
d)
Nucleus
8.
Ribosomes are organelles made of protein and DNA that direct protein synthesis in the cytoplasm.
a)
True
b)
False
9.
The Golgi Apparatus is another system of flattened, membranous sacs.
a)
True
b)
False
10.
The Smooth Endoplasmic Reticulum is covered in ribosomes.
a)
True
b)
False
11.
the passing of genetic traits from parent to offspring.
a)
heredity
b)
trait
c)
gene
d)
allele
12.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
13.
A characteristic that an organism can pass on to its offspring through its genes
a)
protein
b)
trait
c)
DNA
d)
gene
14.
An allele whose trait always shows up in the organism when the allele is present.
a)
recessive allele
b)
dominant allele
c)
hidden allele
d)
present allele
15.
an organism's appearance or other detectable characteristic
a)
genotype
b)
phenotype
c)
genetics
d)
heterozygous
16.
This is a part of the chromosome that carries information and controls a trait
a)
trait
b)
gene
c)
chromosome
d)
offspring
17.
What is the type of gene whose effect can be hidden?
a)
dominant gene
b)
inherited trait
c)
recessive gene
d)
acquired trait
18.
An organism with one recessive gene and one dominant gene is called a
a)
gene
b)
recessive gene
c)
hybrid
d)
dominant gene
19.
Having 2 different alleles for a trait (also known as a hybrid)
a)
Heterozygous
b)
Homozygous
20.
Phenotype is the organism's physical appearance while genotype in the organism's genetic makeup
a)
true
b)
False
21.
Which of the characteristics is a lion least likely to pass on to its offspring?
a)
fur color
b)
length of tail
c)
scars on leg
d)
body size
22.
Based only on the sex chromosomes in typical human egg and sperm cells at fertilization, the probability of producing a female is
a)
25%
b)
50%
c)
75%
d)
90%
23.
one of the alternative forms of a gene that governs a characteristic, such as hair color
a)
allele
b)
gene
c)
trait
d)
DNA
24.
What is NOT an example of an inherited TRAIT?
a)
eye color
b)
dimples
c)
cleft chin (like Mrs.Day's chin)
d)
language
25.
An allele whose trait only shows up when no dominant allele is present.
a)
hidden allele
b)
dominant allele
c)
recessive allele
d)
present allele
26.
What is an example of an inherited TRAIT?
a)
speaking English
b)
building a nest
c)
tallness in plants
d)
making a sandwich
27.
Coiled DNA found in the cells; contains genes that encode traits.
a)
gene
b)
chromosome
c)
trait
d)
DNA
28.
Which type of genotype would result in having blue eyes, if B is dominant for brown eyes?
a)
BB
b)
Bb
c)
bb
29.
What would the genotype be for this Punnett Square? B is dominant for brown hair.
a)
2Bb, 2bb
b)
2BB, 2Bb
c)
1BB, 2Bb, 1bb
d)
4Bb
30.
What characteristic would a child not inherit from parents?
a)
freckles
b)
eye color
c)
hair style
d)
dimples
31.
What would the phenotype be for the offsprings? T is dominant for tall pea plants
a)
50% tall, 50% short
b)
25% tall, 75% short
c)
100% tall, 0% short
d)
75% tall, 25% short
32.
What genotype would a child have to have in order to be left handed? R is dominant for right handed.
a)
rr
b)
Rr
c)
RR
33.
W=white hair
w= non-white hair
If you cross a horse with WW and a horse with ww what fraction of the offspring would be expected to have white hair? Create a punnett square.
w= non-white hair
If you cross a horse with WW and a horse with ww what fraction of the offspring would be expected to have white hair? Create a punnett square.
a)
0/4
b)
3/4
c)
1/2
d)
4/4
34.
In mussels, the allele for brown coloring (B) is dominant, and the allele for blue coloring(b) is recessive. For which parental genotypes are 100% of the offspring expected to be blue?
a)
BbxBb
b)
bbxbb
c)
BBxbb
d)
BBxBB
35.
In guinea pigs, the alleles for black hair(B) is dominant to the allele for brown hair(b). Two black-haired guinea pigs are crossed. One of the pigs is homozygous for black hair and one is heterozygous. What percentage of their offspring are expected to have black hair? Create a punnett square.
a)
25%
b)
50%
c)
75%
d)
100%
36.
The genotype of an organism describes the
a)
codons that make up the genes
b)
number of gene's on the chromosmes
c)
genetic make-up of a trait
d)
type of chromosomes in the nucleus
37.
Two heterozygous (Tt) tall pea plants are crossed. Which describes their offspring?
Create a punnett square.
Create a punnett square.
a)
50% tall and 50% short
b)
75%tall and 25% short
c)
100%short
38.
R=round seed
r=wrinkled seed.
Cross a homozygous round with a wrinkled by creating a punnett square. Which statement predicts the results?
r=wrinkled seed.
Cross a homozygous round with a wrinkled by creating a punnett square. Which statement predicts the results?
a)
offspring will be Rr
b)
offspring will be RR
c)
round seeds will be recessive to wrinkled
d)
Wrinkled will be observed in half of offspring
39.
If an intestinal cell in a butterfly contains 24 chromosomes, a butterfly egg would contain
a)
3
b)
6
c)
12
d)
24
40.
G = green, g = yellow
The genotype for a yellow plant is...
The genotype for a yellow plant is...
a)
GG
b)
Gg
c)
gg
d)
all of the choices result in yellow
41.
Which type of wetland is formed near the mouth of rivers and contains tall grasses for migratory birds?
a)
Bog
b)
Marsh
c)
Cypress Swamp
d)
Bottomland hardwood swamp
42.
What is the area where fresh water from a river mixes with salt water of the ocean?
a)
Swamp
b)
Salt River
c)
Delta
d)
Estuary
43.
Wetlands help control flooding by
a)
absorbing runoff from heavy rains
b)
collecting water behind dams
c)
providing natural water filtration
d)
quickly releasing water
44.
What do we call the land area that supplies water to a river system?
a)
runoff
b)
recharge
c)
watershed
d)
valley
45.
Plants that live in the wetland
a)
are adapted to dry conditions.
b)
are adapted to being always under water.
c)
are adapted to getting water from the air.
d)
are adapted to thrive in wet conditions.
46.
Which of the following is an effect of excess fertilizer washing into streams and lakes?
a)
the pH is too low for plants and animals
b)
cooler water holds more oxygen
c)
increased sediment reduces oxygen
d)
algae "blooms", leading to lower oxygen
47.
How could pesticides get into lakes and streams?
a)
too much could be used
b)
it could be sprayed too close to a stream
c)
rain could wash pesticides into a stream
d)
all of the above
48.
A ridge of land that separates one watershed from another
a)
bank
b)
cliff
c)
divide
d)
partition
49.
The living things in an ecosystem that affect it (such as plants, animals, people)
a)
riparian buffer
b)
biotic factors
c)
abiotic factors
d)
nutrients
50.
The nonliving things in an ecosystem that affect it (such as water quality, soil, sunlight)
a)
biotic factors
b)
abiotic factors
c)
algae
d)
robots
51.
Collecting water samples for analyzing chemical or biological composition is
a)
a lot of work
b)
water quality monitoring
c)
good for the watershed
d)
ecosystem
52.
When plants give off drops of water it is called---
a)
transpiration
b)
evaporation
c)
condensation
53.
When water is heated in the ocean by the sun and turns into water vapor--
a)
condensation
b)
evaporation
c)
transpiration
54.
In what order do a hawk, grass, and rabbit form a food chain in a meadow?
a)
Hawk-->grass-->rabbit
b)
Grass-->hawk-->rabbit
c)
Rabbit-->grass-->hawk
d)
Grass-->rabbit-->hawk
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