WorksheetsCells and Heredity Unit Review
Total questions: 45
Worksheet time: 38mins
Name
Class
Date
1.
What is a cell ?
a)
Living organism
b)
A brick
c)
Basic unit of life
d)
component that combine together to form an organ
2.
All living organisms are composed of ___________________.
a)
cells
b)
autotrophs
c)
heterotrophs
d)
stimuli
3.
When you step out into the cold, your body shivers in order to keep its temperature at 98.6F.
a)
All living things use energy
b)
All living things contain cells
c)
All living things maintain homeostasis
d)
All living things grow
4.
Sun flowers following the sun across the sky is an example of organisms
a)
responding to a stimuli
b)
reproducing
c)
evolving
d)
growing
5.
Animals get their energy by
a)
photosynthesis
b)
capturing sunlight
c)
eating other organisms
d)
sleeping
6.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
7.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
8.
Has a Nucleus
a)
Eukaryote
b)
Prokaryote
c)
Both
9.
Has DNA
a)
Eukaryote
b)
Prokaryote
c)
Both
10.
An example of this are Bacteria
a)
Eukaryote
b)
Prokaryote
c)
Both
11.
What is the longest stage of the cell cycle called?
a)
Cytokinesis
b)
M phase
c)
Interphase
d)
G1 Phase
12.
Put the following actions in order: DNA replicates, cell grows, cell divides, cell prepares for mitosis.
a)
DNA replicates, cell grows, cell prepares for mitosis, cell divides
b)
cell grows, cell prepares for mitosis, DNA replicates, cell divides
c)
cell grows, DNA replicates, cell prepares for mitosis, cell divides
d)
DNA replicates, cell prepares for mitosis, cell grows, cell divides
13.
Which organelle performs PHOTOSYNTHESIS?
a)
Chloroplast
b)
Mitochondria
14.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
15.
This organelle takes food and turns it into ENERGY for plant and animal cells.
a)
Chloroplast
b)
Mitochondria
c)
Lysosome
d)
Ribosome
16.
Which part of the cell is often called "the brain of the cell"?
a)
nuclear membrane
b)
endoplasmic reticulum
c)
nucleus
d)
mitochondria
17.
I am the outer most layer of an animal cell. What am I?
a)
cell wall
b)
nucleus
c)
cell membrane
d)
cell skin
18.
Where are proteins made?
a)
Golgi body
b)
Mitoichondrion
c)
Chromosomes
d)
Ribosomes
19.
An animal cell has the following except a/an...
a)
Centriole
b)
Lysosome
c)
Cell Wall
d)
Endoplasmic reticulum
20.
A rigid layer that lies outside the cell's membrane is...
a)
Cytoskeleton
b)
Cilia
c)
Cell Wall
d)
Flagella
21.
In mitosis, the two resulting cells are
a)
different from the starting cell and identical to each other.
b)
different from the starting cell and different from each other.
c)
identical to the starting cell and different from each other.
d)
identical to the starting cell and identical to each other.
22.
Which of the following lists, in order, the phases of mitosis?
a)
interphase, metaphase, anaphase, telophase
b)
prophase, metaphase, anaphase, telophase
c)
prophase, metaphase, anaphase, interphase
d)
prophase, anaphase, metaphase, telophase
23.
____________ reproduction is where the offspring is a clone of the parent
a)
sexual
b)
asexual
24.
Which of the following is a disadvantage of asexual reproduction?
a)
Environment is stable
b)
Minimal energy required
c)
Changing environment
25.
_______________ reproduction requires the union of gametes (egg and sperm) from two parents- male and female. There is an exchange of genetic material
a)
Sexual
b)
Asexual
26.
The cells produced via meiosis are called:
a)
sex cells
b)
somatic cells
c)
body cells
d)
skin cells
27.
Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.
a)
23, 46
b)
46, 23
c)
2, 4
d)
50, 100
28.
A ________________________ is used to predict the possible genotype from certain parents
a)
Mendel Grid
b)
Genetic Tic Tac Toe
c)
Punnett Square
d)
Pedigree Plot
29.
_____________________ is the appearance of an organism, or how it looks
a)
phenotype
b)
ratio
c)
recessive trait
d)
heredity
30.
___________________________ is the study of how traits are passed on, or inherited.
a)
dominant traits
b)
ratio
c)
phenotype
d)
genetics
31.
Heredity is the passing of traits from _____________________ to _____________________
a)
predators to prey
b)
water to rain
c)
parents to offspring
d)
fungi to protists
32.
Offspring receives two sets of _____________ (one from each parent)
a)
blue jeans
b)
genes
c)
machines
d)
pedigree
33.
AA and Aa always show up as
a)
dominant
b)
recessive
34.
What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness?
a)
0 in 4
b)
1 in 4
c)
2 in 4
d)
4 in 4
35.
Which of the following genotypes is homozygous dominant?
a)
A
b)
Aa
c)
AA
d)
aa
36.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
37.
In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species?
a)
rr
b)
R
c)
RR
d)
RR or Rr
38.
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
39.
T - tall and t = short
In the punnett square below, what belongs in the missing square
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
40.
Are all mutations bad?
a)
Yes
b)
No
41.
What causes mutations?
a)
Mistakes in replication or environmental substances
b)
The amino acids
c)
Passed down by genetics
d)
It's how your born
42.
Which of the following is an example of a beneficial mutation?
a)
When an organism's lifespan becomes shorter
b)
When an organism becomes unable to reproduce
c)
When an organism's body becomes deformed
d)
When an organism develops immunity to a disease
43.
Mark is heterozygous. If B is for brown hair, and b is for blonde hair, what is Mark's phenotype?
a)
Brown Hair
b)
Blonde Hair
c)
Brown and Blonde Hair
d)
Black Hair
44.
Mark is heterozygous. If B is for brown hair, and b is for blonde hair, what is Mark's genotype?
a)
BB
b)
bb
c)
Bb
d)
bB
45.
Chris is homozygous dominant. If W for widow's peak, and w is for no widow's peak, what is Chris' genotype?
a)
WW
b)
ww
c)
Ww
d)
wW
100 %
